Способ тепловой изоляции трубы

Изобретение относится к области строительства трубопроводов и может быть использовано при нанесении теплоизоляции на металлические трубы. Целью изобретения является повышение изоляционных свойств наносимой на трубу пенопластовой изоляции и снижение расхода материала, что достигается за счет нанесения на трубу по крайней мере одной образующей внутренний слой, пластической компо- зии, имеющей плотность 0,024 - 0,096. г/см, и второй, образующей наружный слой пластической композиции, имеющей плотность по крайней мере на 25% выше, чем у внутреннего слоя, и толщину, составляющую 5-30% общей толщины слоев, 2 ил. 00 ел СП N3 ...

Установка для изготовления полых изделий из полимерных материалов

... 1. УСТАНОВКА ДЛЯ ИЗГОТОВЛЕНИЯ ПОЛЫХ ИЗДЕЛИЙ ИЗ ПОЛИМЕРНЫХ МАТЕРИАЛОВ, содержащая поворотный J9 V за стол с размещенными по его периферии открытыми вверх матрицами, соответствующие матрицам подвижные в вертикальном направлении пуансоны и устройство для подачи материала, отличающаяся тем, что, с целью повышения качества изделий за счет исключения потерь тепла при загрузке матриц, устройство для подачи материала размещено над поворотным столом соосно матрицам, а пуансоны установлены на поворотном столе с возможностью поворота в вертикальной плоскости, причем выходная часть устройства для подачи материала выполнена в виде кольцевого сопла с запирающим элементом.

Покрышка разового действия

FLAME-ADVERSE POLYCARBONATE MOLDING MATERIALS FOR APPLICATIONS OF EXTRUDINGS

CIGARETTE FILTER AND PROCEDURE FOR THEIR PRODUCTION

MORE CONTINUOUSLY EXTRUDING-CASTINGCOIN/SHAPE PROCESS FOR THE PRODUCTION OF OPTICAL ARTICLES

PROCEDURE AND DEVICE FOR THE PRODUCTION OF HOHLPROFILBAENDERN OR - PLATES

BREAKDOWN-SAFE TYRE

CONCRETE MIXTURE DRUM

PROCEDURES FOR THE PRODUCTION OF BIOLOGICALLY DEGRADABLE PACKING FROM BIAXIAL DREW FOILS AND SUCH PACKING

FORM INSERT FOIL, COPYING METHOD AS WELL AS PLASTIC THING

PROCEDURE FOR OPTIMIZING THE CYCLE TIME OF A THERMAL MOULDING MACHINE FOR THE DEEP-DRAWING OF PARTS FROM A WARMED UP THERMOPLASTIC FOIL COURSE

PACKING BAG WITH FOOD RIVER CHARACTERISTICS

PROCEDURE FOR THE PRODUCTION OF A COATED COMPOUND PRODUCT

TARPAULIN WITH EDGE STRONG STRIPS

DEEP-DRAWING DEVICE FOR MAKING FORM LEAGUES OF THERMOPLASTIC PLASTIC

PROCEDURE FOR THE PRODUCTION OF FOILS FROM WARM-STICKING THERMOPLASTIC PLASTIC

PROCEDURE FOR THE CONTINUOUS PRODUCTION OF HOSES

Plastic tube, as well as procedure and device for the production of such plastic tubes

PRECISION PU PRODUCTION

COMPOSITE SLAB

WINDSCREEN WIPER BLADE FROM A SILICONE COMPOSITION AND PROCEDURE FOR ITS PRODUCTION

PROCEDURE AND MECHANISM FOR CONTINUOUS MANUFACTURING OF A FLAT CABLE, IN PARTICULAR AN FIBRE-OPTICAL CABLE

PROCEDURE FOR THE PRODUCTION OF PIPES FROM PP, THE ONE IMPROVED COLD TENACITY AND TENSILE STRENGTH EXHIBITING.

PROCEDURE FOR THE PRODUCTION OF ORGANO OPTICS AND ITS APPLICATION WITH THE PRODUCTION OF VORFORMLINGEN FOR POLYMERS OPTICAL FIBERS.

PROCEDURE AND AUTOMATIC DEVICE FOR THE PRODUCTION OF CALIBRATIONS OF RINGS FROM FORMED ONE OR NONDISTINGUISHED ONE EXTRUDAT.

DISK PACK

PROCEDURE AND PIECE OF FITTING FOR THE CONTINUOUS PRODUCTION OF UMSCHÄUMTER, THERMAL OF INSULATING CONDUITS

PROCEDURE FOR EXTRUDING GRANULATES

FOAM MATERIAL MANUFACTURED BY STROMABWÄRTIGE WATER INJECTION

Procedure for the production of records, in particular of long playing records

PROCEDURE FOR THE PRODUCTION OF PACKING FROM FOAMED PLASTIC.

PROCEDURE FOR THE PRODUCTION OF SHAPED PARTS FROM PLASTIC FOR EXECUTION ITS.

PROCEDURE FOR THE PRODUCTION OF A TIRE FROM INDIA RUBBER-WELL-BEHAVED MATERIALS ON CELEBRATIONS A CARRIER, DEVICE FOR PRESENTING IN SUCH PROCEDURES, MACHINE, WHICH USES SUCH DEVICES.

MEHRSCHICHTKUNSTSTOFFILM, PROCEDURES FOR ITS PRODUCTION AND FROM IT MANUFACTURED PACKING.

FIBERS, BAENDER AND FOILS FROM ILLUMINATED PL AND PROCEDURES FOR THE PRODUCTION THE SAME.

HIGH-SPEED EXTRUDING PROCEDURE

MULTILEVEL ARTICLE FROM A WITH A THERMOPLASTIC MATERIAL DIRECT CONNECTION, VULCANIZED ELASTOMER

STRETCH-CASH, SELF ADHESIVE FILM AND PROCEDURE FOR THE PRODUCTION

PROCEDURE FOR THE TREATMENT OF ELASTOMERS A COMPOSITION

PROCEDURE FOR MANUFACTURING A WOOD-WELL-BEHAVED ARTICLE AND SO MANUFACTURED ARTICLE

Procedure for making a on one side smooth volume of plastic

STRENGTHENED FLEXIBLE HOSE AND PROCEDURE FOR ITS PRODUCTION

Control device for a vacuum embossing roll for the production of packing material

COMPOUND FOAM STRUCTURE WITH ISOTROPIC AND ANISOTROPIC RANGES

SUPER+ABSORBING GELS FROM POLY (VINYLAMIN) AND PROCEDURE FOR THE PRODUCTION OF IT

Device for the execution of the procedure for making a wrapped tube of thermoplastic plastic

PROCEDURE AND DEVICE FOR THE CONTINUOUS VULCANIZATION OF A RUBBER HOSE

PROCEDURE AND PLANT FOR THE PRODUCTION OF SEQUENTIAL RICE CLOSING LINK ROWS FROM THERMOPLASTIC PLASTIC

HIGH PRESSURE COMPOUND PIPE

RADIALLY EXPAND-CASH POLYTETRAFLUORETHYLENE AND OUT OF IT FIGURATION EXPAND-CASH ENDOVASKULÄRE STENTS

Device for the production of flexible hoses from thermoplastic plastic

DEVICE FOR MANUFACTURING ISOLATION PIPES

PROCEDURE FOR THE FIGURATION OF TRIM FOR MOTOR VEHICLES OUT OF EXTRUDED THERMOPLASTIC PLASTIC

THREE-LAYER PLASTIC FOILS, PROCEDURES FOR THEIR PRODUCTION, AND FROM IT MANUFACTURED PACKING

PROCEDURE FOR THE PRODUCTION OF A DECORATION FOIL AND A DEVICE FOR ITS PRODUCTION

PROCEDURE AND DEVICES FOR PERFORATING SMOOTH ONE, CLOSED CELLULAR SURFACES OF OPEN-CELLULAR MOUSSE FOILS

METHOD FOR THE PRODUCTION OF OPTICAL INDEX GRADIENT FIBERS FROM POLYMER MATERIAL

STORAGE VESSEL FOR BLOOD PARTICLES

EXTRUDED ARTICLE WITH DECORATIVE IMPROVEMENT AND PROCEDURE.

PROCEDURE AND DEVICE FOR THE MISTAKE OF HARD GRANULATES IN TIRE BEARING SURFACES

POLYAMIDE/COPOLYAMIDE MIXTURES ABSTENTION HEAT SHRINKAGE-CASH RAFFBARE HOSE COVERING

CONTINUOUS PROCEDURE FOR THE PRODUCTION OF POWDER COATING COMPOSITIONS

PROCEDURE FOR MAKING A CONTAINER OF THERMOPLASTIC PLASTIC FOIL AND COMBINING FORM/CPUNCHING TOOL FOR THE EXECUTION OF THE PROCEDURE

PROCEDURE FOR THE PRODUCTION OF AN ELECTRICALLY LEADING FILM

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A WINDING CORE FOR THE ADMISSION OF BAHNFÖRMIGEM PROPERTY AS WELL AS WINDING CORE

CARRIER FOR SHRINK-CASH SLEEVE TO CONNECTING ELECTRICAL CABLES AND DEVICE FOR CONNECTING

MULTILEVEL DEEP-DRAWING FOIL

SURFACE FINISHING COMPRESSION MOLDING WITH MULTI-LAYER EXTRUSION

The compression molded article (60) includes an outer plastic film layer (62), a first plastic layer (68) adhered to the outer plastic film layer (62) and a second plastic layer (74) adhered to the first plastic layer (68). Long fibers (80) having a length of from 8 to 100 mm are admixed with the second plastic layer (74). The article (60) is formed by compression molding.

COMPARTMENTALIZED PELLET FOR IMPROVED CONTAMINANT REMOVAL

This invention is directed to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.

EXTRUSION-MOLDED ARTICLE HAVING GOOD THERMAL STABILITY

MOULDED BODY CONTAINING PLASTIC AND REINFORCED BY NATURAL FIBRES

The invention relates to a moulded body containing plastic and reinforced by natural fibres. Said moulded body is produced from fibrous plant or animal material containing residual water, at least one thermoplastic or duroplastic material, and at least one water-binding biopolymer and/or biomonomer, by means of plastic or thermoplastic deformation at a high temperature and/or high pressure, and then by shaping, preferably by means of extrusion. In spite of a residual water content of between 0.3 and 8 wt. %, the inventive moulded body is in an unexpanded form. The invention also relates to a method for producing said moulded body.

PLASTIC OPTICAL FIBER

METAL CAP AND ITS METHOD OF MANUFACTURE

BINDING STRAP, AND PROCESS AS WELL AS APPARATUS FOR MANUFACTURING SAME

CONTINUOUS CURING METHOD FOR LONGITUDINALLY EXTENDED PRODUCTS AND A DEVICE FOR THE APPLICATION OF THIS METHOD

APPARATUS FOR PRODUCING SEPARABLE FASTENER MEMBER

OPTICAL FIBER

PROCESS OF MAKING BIOABSORBABLE FILAMENTS

Methods for making a bioabsorbable copolymer filaments (16) are provided herein. The methods include drying the polymer pellets to be extruded, melt extrusion of copolymer components, stretching the filaments in one or more draw steps and permitting the drawn elements (16) to relax. The copolymer preferably contains units derived from glycolide or glycolic acid and units derived from an alkylene carbonate, such as, for example, trimethylene carbonate.

MEMBRANES OF POLYURETHANE BASED MATERIALS INCLUDING POLYESTER POLYOLS

The invention provides membranes which can be employed in various applications as either monolayers or multi-layered laminates. The membrane includes a polyurethane including a polyester polyol and has total transmission of light at a level of at least 90.0%. The membrane has an average wall thickness of 32 mils.

FLAME-RESISTANT POLYCARBONATE MOULDING COMPOUNDS FOR EXTRUSION APPLICATIONS

The present invention relates to chlorine- and bromine-free, flame-resistant poly-carbonate moulding compositions which are distinguished by excellent flame resis-tance combined with good mechanical and thermal properties, good ESC behaviour and adequate melt stability for extrusion processing. The invention relates also to mouldings, profiles, sheets, tubes and conduits produced from the moulding compo-sitions.

POLYAMIDE AND BIORESOURCED REINFORCEMENT COMPOSITIONS HAVING IMPROVED MECHANICAL PROPERTIES

La présente invention a pour objet une composition associant au moins un polyamide présentant au moins une entité MXD, MXD désignant la méta-xylylène diamine ou un mélange de méta-xylylène diamine et de para-xylylène diamine, à un renfort bioressourcé. L'invention concerne également la transformation de ces compositions, par injection ou extrusion, en objets ayant de bonnes propriétés mécaniques, lesdits objets répondant à des cahiers des charges techniques applicatifs tels que l'on peut trouver par exemple dans l'automobile, le bâtiment, le sport et les domaines électriques ou électroniques.

ARRANGEMENT FOR COATING FIBRES

... "Arrangement for coating a fibre". An arrangement for coating a fibre, more particularly an optical fibre, comprising a housing (31) with a pressure chamber (61) which is in communication with a connection (63) for the supply of liquid coating material. A fibre to be coated is supplied via a guide duct (59) in a tubular guide member (55), traverses the pressure chamber (61) and leaves the device (11) via an outlet opening (41) in a nozzle (40). The tubular guide member (55) is made of an elastically deformable material. By means of two spindles (79), the end of the tubular guide member (55)can be adjusted so that the coating is centred with respect to the fibre and a coaxial location of fibre and coating is obtained.(Fig. 2) ...

METHOD AND APPARATUS FOR EXTRUDING A FASTENING PROFILE ONTO A TRAVELING FILM WEB

A method and apparatus are provided for securing a plastic fastening profile, such as is used on reclosable plastic containers, to a traveling plastic film web. A freshly extruded hot fastener profile is guided into convergence with a preformed traveling film web. The profile and web are joined together in an area in which the web is insulated. Only the heat from the fastener profile is used to fuse the surface of the web and secure the profile to the web. 31,186-F ...

SURFACE-ROUGHENED FILM AND SHEET, AND PROCESS FOR PRODUCTION AND USE THEREOF

SURFACE-ROUGHENED FILM AND SHEET, AND PROCESS FOR PRODUCTION AND USE THEREOF An essentially non-oriented surface roughened film or sheet comprising a homopolymer or copolymer of 4methyl-1-pentene having the surface roughness of 0.5 to 10 micrometers; a process for production of the abovementioned surface roughened film or sheet comprising the following steps (1) preparing a molten composition comprising a homopolymer ox copolymer of 4-methyl-1-pentene, (2) extruding the molten composition to form a film or sheet, and (3) placing the film or sheet in contact with a roller having a roughened surface or passing the film or sheet through a pair of rollers, at least one of which has a roughened surface; and the use of the above-mentioned surface roughened film or sheet for the manufacture of single-sided metal clad laminates.

MONOAXIALLY ORIENTED SHRINK FILM

A coextruded multiple layer film is oriented in primarily the longitudinal direction, and comprises a core layer comprising butadiene styrene copolymer or copolyester, outer layers comprising ethylene propylene copolymer, polypropylene, or blends thereof, and intermediate layers which bond the outer layers to the core layer and comprise an ethylene copolymer. 4/880621.8/SPECFLDR ...

FILLING COMPOUND FOR MULTI-WIRE CONDUCTOR OF AN ELECTRICAL CABLE AND CABLES INCLUDING SUCH COMPOUND

The invention relates to a filling compound for filling the interstices between a plurality of wires of a conductor, said filling compound comprising a polymeric compound which has a 100 gram needle penetration value between 50 and 100 tenths of a millimeter at 25.degree.C and particles of a water swellable material having a particle size not greater than 200 microns. The invention also relates to a cable containing the filling compound and a method for making same. The filling compound enables production of electrical cables with improved resistance to ingress and movement of water between and around the wires of an electrical cable conductor.

COEXTRUSION FEEDBLOCK FOR MAKING LIGHTWEIGHT, RIGID THERMOPLASTIC PIPE

POLYETHYLENE TEREPHTHALATE/PAPERBOARD LAMINATE AND METHOD OF MAKING IT, CONTAINER BLANK ED FROM SUCH BLANK, AND COOKING METHOD USING SUCH CONTAINER

ELECTRONIC POWER ASSIST STEERING WORM GEARS

Composite worm gears having little residual stress are prepared by forming a tube (101) of synthetic resin by extrusion, compression molding, or centrifugal processing, and fixing the tube thus produced or rings (102) cut therefrom onto a boss (103) or core (105), preferably of metal. The process allows high performance high molecular weight thermoplastics to be employed.

HOSE FEEDER

CLEAR BARRIER COMPOSITE CONTAINING POLYISOBUTYLENE/POLYOLEFIN ALLOY COMPONENTS

INFRARED FIBERS

COATED OPTICAL FIBER, FABRICATION PROCESS THEREOF AND FABRICATION APPARATUS THEREOF

CRYSTALLINE FIBER AND A PROCESS FOR THE PRODUCTION OF THE SAME

METHOD AND SYSTEM FOR EXTRUSION EMBOSSING

The present invention provides a novel method and system for extrusion embossing. In particular, the present invention provides a method and system for embossing a multi-layer flexible packaging material (30) whereby one layer (12) is embossed simultaneously with the extrusion of an adjacent layer (18) and the lamination of an additional layer (24).

METHOD AND APPARATUS FOR EXTRUDING PLASTIC TUBING HAVING COMPOSITE WALLS

POLYMERIC WATERCRAFT AND MANUFACTURE METHOD THEREOF

A three dimensional structure, such as a watercraft, and a method for forming the three dimensional polymeric structure are described. The method includes providing at least one paint layer and a bonding layer coupled to the at least one paint layer and including a first exterior surface, extruding a structural sheet of at least one polymeric material at an extrusion temperature, wherein the sheet has a thickness of at least 0.25 inches and a second exterior surface, joining the first exterior surface to the second exterior surface to form a thermoformable sheet, forcing the thermoformable sheet against a three dimensional mold while the sheet is at a thermoformable temperature to deform the sheet into a three dimensional structure and removing the three dimensional structure from the mold.

CONDUIT-MAKING APPARATUS WITH A MULTIPLE DIAMETER WINDING DRUM

... ▓▓▓An apparatus is disclosed for making a conduit or pipe. An extruder (12) is ▓provided for producing a strip (14) of continuous thermoplastic. A winding ▓drum (10) receives the strip and helically winds the strip around the drum's ▓perimeter to form a conduit having an inner diameter corresponding to the ▓outer diameter of the drum. The drum (10) includes a core tube (36) surrounded ▓by a plurality of rollers (20) which define the outer diameter of the drum. ▓The rollers (20) rotate to advance the strip around the drum (10). A pair of ▓detachable plates (30, 32) are provided for supporting said rollers. Each ▓plate (30, 32) has a plurality of support structures for receiving and ▓removably supporting each of said rollers (20) at either end, at a desired ▓radial distance from the drum axis, in order to define the drum diameter. The ▓pair of plates is part of a plurality of pairs of plates, with each pair being ▓of a different diameter to manufacture pipe or conduit of a variety of ▓different ...

HIGH FREQUENCY INDUCTION HEATING APPARATUS WITH INCLINED CONDUCTORS

Partially reflecting multilayer optical films with reduced color

A multilayer optical film body includes a first and second packet of microlayers. Each packet partially transmits and partially reflects light over an extended wavelength range, such as the visible region, for normally incident light polarized along a first principal axis of the film body. In combination, the first and second packets have an intermediate reflection and transmission (e.g. 5-95% internal transmission, on average) for the normally incident light, and similar intermediate reflection/transmission (e.g. 10-90% internal transmission, on average) for oblique light. The packets are laminated or otherwise connected so that light can pass through the packets sequentially. In at least a first test area of the film body, a high frequency spectral variability of the combination of packets is less than a high frequency spectral variability of the first packet by itself, and may also be less than a high frequency spectral variability of the second packet by itself.

Micro-Vascular Materials And Composites For Forming The Materials

A microvascular system includes a solid polymeric matrix and a woven structure in the matrix. The woven structure includes a plurality of fibers, and a plurality of microfluidic channels, where at least a portion of the microfluidic channels are interconnected. The microvascular system may be made by forming a composite that includes a solid polymeric matrix and a plurality of sacrificial fibers in the matrix, heating the composite to a temperature of from 100 to 250° C., maintaining the composite at a temperature of from 100 to 250° C. for a time sufficient to form degradants from the sacrificial fibers, and removing the degradants from the composite. The sacrificial fibers may include a polymeric fiber matrix including a poly(hydroxyalkanoate) and a metal selected from the group consisting of an alkali earth metal and a transition metal, in the fiber matrix, where the concentration of the metal in the fiber matrix is at least 0.1 wt %. 1. A microvascular system , comprising:a solid polymeric matrix; a plurality of fibers, and', 'a plurality of microfluidic channels,, 'a woven structure in the matrix, the woven structure comprising'}where at least a portion of the microfluidic channels are interconnected.2. The microvascular system of claim 1 , where the woven structure comprises warp threads and weft threads in a 2D woven structure claim 1 , and at least a portion of the microfluidic channels are present as weft threads.3. The microvascular system of claim 1 , where the woven structure comprises warp threads claim 1 , weft threads and Z-threads in a 3D woven structure claim 1 , and at least a portion of the microfluidic channels are present as weft threads or as Z-threads.4. The microvascular system of claim 1 , where the microfluidic channels have an average diameter of from 20 to 500 micrometers.5. The microvascular system of claim 1 , where the fibers are selected from the group consisting of carbon fibers and glass fibers.6. The microvascular system of claim 1 ...

METHOD FOR PRODUCING COMPOSITE PELLET FOR EXTRUSION MOLDING, AND COMPOSITE PELLET FOR EXTRUSION MOLDING PRODUCED BY THE METHOD

Disclosed are composite pellets for extrusion molding wherein fusion does not occur between the pellets, and there is no variation in size and density. A molten material obtained by an extruder for a raw material containing a thermoplastic resin and wood powder is extruded into a strand shape through a die nozzle of the extruder, and cut into a predetermined length to form a pellet. At this time, the extrusion amount, the diameter of each nozzle hole, and the number of nozzle holes are adjusted so that the linear velocity (νd) of the molten material in each nozzle hole of the die nozzle is in the range of 12 to 50 cm/sec. Further, regardless of the variations in particle diameter, etc., a stable amount of the composite pellets are supplied to the extruder, and smoothly introduced to a screw of the extruder. The composite pellets and 12-hydroxystearic acid containing a metal of Ca, Mg, or Zn are agitated together, and 0.03 to 0.4 mass % of the 12-hydroxystearic acid is attached to the periphery of 100 mass % of the composite pellet, and the pellets are used for extrusion molding. 1. A method of manufacturing composite pellets for extrusion in which the composite pellets are used as a molding material extruded into a synthetic wood product containing a thermoplastic resin and wood meal as main ingredients , comprising:when the composite pellets are formed by extruding a molten material obtained by melt-kneading a raw material containing thermoplastic resin and wood meal with an extruder into a strand shape through many nozzle holes provided in a die nozzle mounted at a front end of the extruder, then cutting strands of the molten material at intervals of a predetermined length,setting the rate of extrusion (Q) of the extruder, the diameter (D) of each of the nozzle holes, and the number (n) of the nozzle holes such that a linear velocity (νd) falls within a range of 12 to 50, wherein{'sup': '2', 'νd=(Q×1000/3600)/[(D/20)π·ρm·n], where νd=linear velocity (cm/sec),'}Q= ...

ELECTROSPUN CACTUS MUCILAGE NANOFIBERS

Novel electrospun nanofibers and nanofibrous membranes, methods of manufacturing the same, and methods of using the same are provided. The nanofibers include a cactus mucilage, such as mucilage from . An organic polymer can be added to the cactus mucilage before electrospinning The nanofibrous membranes can be used in water filtration. 1. An electrospun nanofiber , comprising a cactus mucilage.2Opuntia ficus-indica. The electrospun nanofiber according to claim 1 , wherein the cactus mucilage is (Ofi) mucilage.3. The electrospun nanofiber according to claim 2 , further comprising an organic polymer.4. The electrospun nanofiber according to claim 3 , wherein the organic polymer is polyvinyl alcohol (PVA).5. The electrospun nanofiber according to claim 1 , further comprising an organic polymer claim 1 , wherein the organic polymer is PVA claim 1 , chitosan claim 1 , polyethylene glycol (PEG) claim 1 , or poly lactic acid (PLA).6. A nanofibrous membrane claim 1 , comprising at least one electrospun nanofiber according to .7. The nanofibrous membrane according to claim 6 , wherein the cactus mucilage is Ofi mucilage.8. The nanofibrous membrane according to claim 6 , wherein the at least one electrospun nanofiber further comprises an organic polymer claim 6 , wherein the organic polymer is PVA claim 6 , chitosan claim 6 , PEG claim 6 , or PLA.9. A method of producing an electrospun nanofiber claim 6 , comprising:forming an electrospinning solution comprising a cactus mucilage and an organic polymer; andelectrospinning the electrospinning solution to form the electrospun nanofibril.10. The method according to claim 9 , wherein forming the electrospinning solution comprises:dissolving the cactus mucilage in a first solvent to form a first solution;dissolving the organic polymer in a second solvent to form a second solution; andcombining the second solution and the first solution to form the electrospinning solution.11Opuntia ficus-indica. The method according to claim 9 , ...

Pneumatic object provided with a gastight layer containing a thermoplastic elastomer and a thermoplastic

A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material.

Fiber-Reinforced, Thermoplastic Tape as a Strength Member for Wire and Cable

Fiber reinforced tape comprises a longitudinal axis, at least 30 percent by weight of a fiber and at least 2 percent by weight of a thermoplastic resin, with the proviso that at least 30 percent of the fibers in the tape are at least partially oriented along the longitudinal axis of the tape. The tape is useful as a strength member for wire and cable constructions, particularly fiber optic cable constructions. 1. An extruded fiber reinforced tape having a longitudinal axis , the tape comprising at least 60 percent by weight of glass fibers with a linear density of 400 to 5 ,000TEX and at least 2 percent by weight of a thermoplastic resin with the proviso that at least 30 percent of the fibers in the tape are at least partially oriented along the longitudinal axis of the tape.2. The tape of in which the fibers are glass fibers with a linear density of 600 to 3 claim 1 ,000TEX.3. The tape of in which the resin is a polyolefin resin.4. The tape of in which the resin is a polypropylene resin.5. The tape of in which the fibers have a length of 4 to 15 mm.6. A process of making the tape of claim 1 , the process comprising the steps of(A) preparing long fiber thermoplastic pellets or strips comprising at least 60 weight percent glass fibers with a linear density of 400 to 5,000TEX and at least 2 weight percent thermoplastic resin,(B) forming an extrudable mass from the pellets or strips, and(C) extruding the mass to form a tape with machine and cross direction orientation with the proviso that at least 30 percent of the fibers are oriented in the machine direction.7. The process of in which the extrusion is preformed with an extruder equipped with a die operated at a temperature of 180-230° C.8. The process of in which the extruded tape is subjected to drawing.9. A wire or cable construction comprising the tape of as a strength member.10. The wire or cable of in the form of an optical fiber cable. 1. Field of the InventionThis invention relates to wire and cable. In one ...

Multilayer film, use of a multilayer film and process for producing a multilayer film

A multilayer film for medical purposes is proposed, with one or two external layers, wherein the external layers contain: a first polyalphaolefin; a first thermoplastic elastomer with a melt viscosity of a melt flow index according to ISO 1133 of from 0.001 to 6 g/10 min at 230° C., 2.16 kg; and a second thermoplastic elastomer with a high melt viscosity not measurable according to ISO 1133 which is higher than the melt viscosity of the first thermoplastic elastomer.

HIGH MOLECULAR WEIGHT POLYETHYLENE FIBERS AND MEMBRANES, THEIR PRODUCTION AND USE

In a process for producing an elongated polyethylene component, such as a fiber or membrane, polyethylene powder having a molecular weight of at least 3×10g/mol as determined by ASTM 4020 is dissolved in a solvent to produce an extrudable solution. The solution is then extruded through a die to form an elongated component and at least part of said solvent is removed from the elongated component. The polyethylene powder used in the process is produced by polymerizing ethylene in the presence of a catalyst composition comprising a Group 4 metal complex of a phenolate ether ligand. 1. A process for producing an elongated polyethylene component , the process comprising:{'sup': '5', '(a) dissolving a polyethylene powder having a molecular weight of at least 3×10g/mol as determined by ASTM 4020 in a solvent to produce an extrudable solution,'}(b) extruding said solution through a die to form an elongated component and(c) removing at least part of said solvent from said elongated component, wherein said polyethylene powder is produced by polymerizing ethylene in the presence of a catalyst composition comprising a Group 4 metal complex of a phenolate ether ligand.2. The process of wherein the polyethylene powder has a molecular weight of at least 1×10g/mol claim 1 , preferably at least 3×10g/mol claim 1 , and more preferably from 3×10g/mol to 10×10g/mol claim 1 , as determined by ASTM 4020.3. The process of wherein said elongated component is a fiber or a membrane.4. The process of wherein said elongated component stretched at an elevated temperature below the melting point of the polyethylene.5. The process of wherein the Group 4 metal complex is disposed on a particulate support.6. The process of wherein the particulate support has an average particle size claim 5 , d50 claim 5 , of less than 58 microns claim 5 , preferably less than 50 microns claim 5 , more preferably less than 30 microns claim 5 , more preferably from 4 to 20 microns.7. The process of wherein the ...

Polyimide porous web, method for manufacturing the same, and electrolyte membrane comprising the same

Disclosed is a polyimide porous web with good porosity, good dimensional stability, and uniform pore; a method for manufacturing the same; and an electrolyte membrane with improved ion conductivity and good dimensional stability owing to ion conductors uniformly impregnated in the porous web, the polyimide porous web having a porosity of 60% to 90%, wherein not less than 80% of entire pores of the porous web have a pore diameter which differs from an average pore diameter of the porous web by not more than 1.5 μm.

PROCEDURE FOR THE OBTAINMENT OF NANOCOMPOSITE MATERIALS

The present invention relates to a procedure for the obtainment of a nanocomposite material through the technique of melt mixing comprising a polymeric matrix and a nanoreinforcement which has been previously dispersed in the same plastic or other matrix by means of electrospinning methods. 1. Procedure for the obtainment of a nanocomposite comprising a polymeric matrix and a nanoreinforcement , comprising the steps:(a) mixing of the nanoreinforcement with a polymeric matrix in liquid state,(b) electrospinning of the dispersion obtained in (a), and(c) melt mixing of the product obtained in step (b) with a polymeric matrix equal to or different from the one used in step (a).2. Procedure according to claim 1 , comprising a step (d) for the processing of the product obtained in step (c) selected from the list comprising: injection claim 1 , extrusion claim 1 , thermoforming claim 1 , blow moulding claim 1 , rotational moulding claim 1 , spinning claim 1 , casting claim 1 , calendering claim 1 , pultrusion and lamination.3. Procedure according to claim 2 , wherein the processing is selected from injection claim 2 , extrusion or blowing.4. Procedure according to claim 1 , wherein in addition in step (b) and/or (c) is added at least one additive which is selected from plasticizers claim 1 , emulsifiers claim 1 , anti-flocculents claim 1 , processing aids claim 1 , antistatics claim 1 , UV light absorbers claim 1 , antioxidants claim 1 , cross-linkers claim 1 , flame retardants claim 1 , antibacterial or any of their combinations.5. Procedure according to claim 1 , wherein the step (a) is carried out with a solvent which is selected from alcohol claim 1 , water or any of their combinations.6. Procedure according to claim 5 , wherein the alcohol is isopropanol.7. Procedure according to claim 1 , wherein the polymeric matrix is non-polar.8. Procedure according to claim 7 , comprising a compatibilization pretreatment prior to step (a) comprising the steps:(i) dissolution of ...

CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, PRODUCTION METHOD THEREOF, AND FILTRATION FILTER

A crystalline polymer microporous membrane, which contains a laminate containing two or more layers and a plurality of pores piercing through the laminate in a thickness direction thereof, where the two or more layers include a layer containing a first crystalline polymer, and a layer containing a second crystalline polymer stacked to form the laminate, wherein the first crystalline polymer has a higher melting point than a melting point of the second crystalline polymer, wherein at least the layer containing the second crystalline polymer in the laminate has a microstructure containing at least fibrils having an average long axial length of 1 μm or shorter, and wherein at least one of the layers constituting the laminate has a plurality of pores whose average pore diameter is constant without any variation at least at part along a thickness direction of the laminate. 1. A crystalline polymer microporous membrane , comprising:a laminate containing two or more layers and a plurality of pores piercing through the laminate in a thickness direction thereof, where the two or more layers include a layer containing a first crystalline polymer, and a layer containing a second crystalline polymer stacked to form the laminate,wherein the first crystalline polymer has a higher melting point than a melting point of the second crystalline polymer,wherein at least the layer containing the second crystalline polymer in the laminate has a microstructure containing at least fibrils having an average long axial length of 1 μm or shorter, andwherein at least one of the layers constituting the laminate has a plurality of pores whose average pore diameter is constant without any variation at least at part along a thickness direction of the laminate.2. The crystalline polymer microporous membrane according to claim 1 , wherein the microstructure further contains nodes.3. The crystalline polymer microporous membrane according to claim 1 , wherein the layer containing the second ...

Multilayer film for packaging fluid products

Co-extruded multilayer packaging films suitable for packaging fluid products, showing a very good balance of mechanical, chemical and, optionally, barrier properties, good sealability, heat resistance and unexpectedly improved optical properties, a process for their manufacturing, pouches and packages obtained from them, are disclosed. These films comprise a core layer (D) comprising a polyamide; two tie layers (C), directly adhered to the opposite surfaces of the core layer; at least one intermediate layer (B), directly adhered to the opposite surface of a tie layer (C), comprising high density polyethylene; and two outer layers (A) comprising an ethylene/alpha olefin copolymer.

BLEND OF PLASTICS WITH WOOD PARTICLES

A blend of plastics with wood particles. 2. The production of blends of wood particles and/or other plant particles with plastic as recited in claim 1 , wherein said production comprises the use of at least one of A and B:A. wood particles with a particle size of max 0.8 mm further preferred with a particle size of max. 0.6 mm and most preferred with a particle size of max. 0.4 mm; andB. other plant particles like rice with a particle size of max. 0.2 mm, preferred with a particle size of max. 0.09 mm, further preferred with a particle size of max. 0.06 mm, most preferred with a particle size of max. 0.03 mm.3. The production of blends as recited in claim 1 , which is marked thereby that the admixture of the plastic melt takes place before the compacting of the wood particles and/or other plant particles and/or that additives like colours claim 1 , couplers and adhesives claim 1 , stabilizers claim 1 , lubricants and water repellents are blended before the mixing of the wood particles and the plant particles respectively with the plastic melt and/or by use of pre-heated wood particles and plant particles respectively.4. The production of blends as recited in claim 3 , wherein said production comprises the use of at least one of A and B:A. Pre-heating temperature of the wood particles and plant particles respectively of min. 50 degree Celsius, preferably of min. 100 degree Celsius and mostly preferred of min. 150 degree Celsius; andB. Pre-heating of the wood particles and plant particles respectively outside the extruder.5. The production of blends as recited in claim 1 , wherein the void volume of the wood particles and/or plant particles will be reduced by means of the compacting by min. 10% claim 1 , preferably by min. 20% opposite to the original volume.6. The production of blends as recited in claim 1 , wherein the plastic melt is fed according to at least one of A claim 1 , B claim 1 , and C:{'b': '202', 'A. At the beginning of the planetary roller extruder ...

DEVICE FOR GENERATING A HOLLOW PLASTIC PROFILE

A device for generating a hollow plastic profile, in particular a plastic tube, having an air guidance system for interior cooling of the tube, wherein said device allows for a more simple design, improved process properties, and better tube quality. The device according to the invention comprises an extrusion die () having a melt channel () encompassing the extrusion axis, an extruder that feeds plastic melt to the extrusion die (), and a suction device for suctioning air through the interior of the profile opposite the direction of extrusion, wherein the extruder feeds the extrusion die () centrally and the suction device comprises a central suction tube () disposed within the melt channel and partial flow suction channels () connected to the central suction tube (); in the suctioning direction and leading out of the interior of the extrusion die (). 18.-. (canceled)9. A device for generating a hollow plastic profile , in particular a plastic tube , comprising:an extrusion die having an extrusion axle and a melt channel encompassing the extrusion axle, said extrusion die including a spiral distributor;an extruder feeding the melt channel with plastic melt in a direction centrally upon the extrusion axle for extruding the plastic melt in an extrusion direction and thereby forming a hollow profile; anda suction device for drawing air though an interior of the profile in a suctioning direction in opposition to the extrusion direction, said suction device having a central suction tube which is arranged within the melt channel, and partial flow suction channels which are connected in the suctioning direction to the central suction tube and sized to lead out from an interior of the extrusion die, said partial flow suction channels extending in supply bores provided in the spiral distributor of the extrusion die.10. The device of claim 9 , wherein the suction device comprises a suction unit for generating an air flow in the suctioning direction.11. The device of claim 10 ...

Composite Material and Method for Making

This invention relates to an improved method for making composite structures by dispersing a high tenacity fiber such as aramid in a polymeric matrix to form a premix, combining the premix with a natural fiber such as wood flour and extruding the resulting mixture through a fiber alignment plate and die such that the fibers are substantially aligned in the flow direction of the extrudate. 1. A method for making an extruded composite material comprising a discontinuous phase of aligned fibers dispersed within a polymeric continuous phase , the method comprising , in order , the steps of:(a) combining from about 5 to 50 weight percent of high tenacity fibers having a tenacity of at least 9.0 grams per denier, a modulus of at least 300 grams per denier and a length of from 0.5 to 15 mm with about 50 to 95 weight percent of a polymer;(b) mixing the fibers and polymer at a temperature sufficient to melt the polymer thus forming a mixture comprising a discontinuous phase of fibers dispersed in a polymeric continuous phase;(c) cooling and forming the resultant mixture into particles or pellets;(d) feeding the pellets from step (c) and natural fiber to a mixer in an amount to produce a final composition comprising from about 2 to 15 weight percent of high tenacity fibers, from about 35 to 60. weight percent of natural fiber, and from about 25. to 63 weight percent of polymer based on the total weight of high tenacity fiber, natural fiber and polymer in the final composition;(e) applying vacuum to the mixer, heating the mixture to a temperature such that the pellets soften but do not melt and further mixing the high tenacity fiber-natural fiber-polymer composition into a homogeneous mass;(f) forming a composite panel by extruding the mixed homogeneous mass through a fiber alignment plate at an extrudate surface temperature not exceeding 260° C. such that at least 70% of the fibers are aligned in the flow direction; and(g) cooling and cutting to length the extruded panel.2. ...

METHOD FOR CONTROLLING THE HEATING OF AN EXTRUSION DEVICE OF A SEMI-FINISHED PRODUCT MADE OF ELASTOMERIC MATERIAL

In the manufacturing of a semi-finished product made of elastomeric material, a method for controlling the heating of an extrusion device which includes multiple structural units having respective different working temperatures and thermal inertias includes; a) setting, for all of the above-mentioned units a heating temperature to a value equal or close to the working temperature of the unit which has the lowest working temperature; b) simultaneously heating all of the above-mentioned units; c) when said unit is approaching or has reached the heating temperature, setting for the other units a new heating temperature to a value equal or close to that of the working temperature of the unit, the working temperature of which is closest to the heating temperature; and d) iteratively repeating the operations mentioned in b) and c), until all of the above-mentioned units have reached the respective working temperature. 120-. (canceled)21. A method for controlling the heating of an extrusion device of a semi-finished product made of elastomeric material , the extrusion device comprising a plurality of structural units , each structural unit having a working temperature different from the working temperature of at least one other structural unit and a thermal inertia different from the thermal inertia of at least one other structural unit , comprising:a) setting, for each structural unit, a heating temperature to a value equal or close to the working temperature of the structural unit which has a lowest working temperature;b) simultaneously heating all structural units of said extrusion device;c) when the structural unit having the lowest working temperature is approaching or has reached said heating temperature, setting, for other structural units, a subsequent heating temperature to a value equal or close to the working temperature of the structural unit of said other structural units, the working temperature of which is closest to the heating temperature previously set; ...

POLYMER FIBER, METHOD FOR PRODUCING THE SAME, AND APPARATUS FOR PRODUCING THE SAME

A polymer electrolyte fiber having a high molecular weight is produced with ease by an electrospinning method. In an electrospinning method which comprises applying a voltage to a solution of a polymer electrolyte to allow a jet of the solution to spurt, forming a polymer fiber, the voltage applied to the solution of the polymer electrolyte is a voltage having the opposite polarity to the charge of molecular chains of the polymer electrolyte in the solution, and the voltage is applied to increase the viscosity of the solution to be higher than that of the solution before applying the voltage, allowing the solution to spurt. 1. A method for producing a polymer fiber by an electrospinning method which comprises applying a voltage to a solution of a polymer electrolyte to allow a jet of the solution to spurt , forming a polymer fiber , wherein the voltage applied to the solution of the polymer electrolyte to allow the solution to spurt is a voltage having the opposite polarity to the charge of molecular chains of the polymer electrolyte in the solution.2. The method for producing a polymer fiber according to claim 1 , wherein the polymer electrolyte is at least any one of naturally derived polymers (chitosan claim 1 , hyaluronic acid claim 1 , polyglutamic acid claim 1 , nucleic acid claim 1 , polypeptide claim 1 , protein claim 1 , cellulose claim 1 , and derivatives thereof).3. The method for producing a polymer fiber according to claim 1 , wherein the polymer electrolyte is at least any one of synthetic polymers (polyacrylamide claim 1 , polyacrylic acid claim 1 , polystyrenesulfonic acid claim 1 , polyallylamine claim 1 , and polyethylene-imine).4. The method for producing a polymer fiber according to claim 1 , wherein the polymer electrolyte is a blend (mixture) having as a component at least one polymer electrolyte selected from naturally derived polymers (chitosan claim 1 , hyaluronic acid claim 1 , polyglutamic acid claim 1 , nucleic acid claim 1 , polypeptide ...

Surface Covering Tiles having an Edge Treatment for Assembly that Allows for Grouting

Surface covering tiles made using synthetic materials employ junction strips which enable the tiles to be connected to one another. The connections can be made with or without adhesive. When the tiles are connected, a space is left between adjacent decorative surfaces to permit the application of grout or simulated grout therein. When the tiles are used as floorcovering they can be used to make floating floors. As wall coverings, the tiles are adhered to the walls using conventional means.

Process for Producing Exfoliated and/or Dispersed Polymer Composites and/or Nanocomposites via Solid-State/Melt Extrusion (SSME)

A method for solid-state/melt extrusion, as can be accomplished using a unitary extruder apparatus comprising a solid-state shearing zone and a melt-state extrusion zone. 1. An extrusion method , said method comprising:(a) feeding a mixture of a polymer component and a filler component into an extruder apparatus;(b) solid-state shearing said mixture in a zone of said extruder apparatus;(c) warming said mixture in another zone of said extruder apparatus;(d) mixing and heating said mixture above about the melting point or above about the glass transition temperature of said polymer component; and(e) extruding said mixture.2. The method of claim 1 , wherein steps (a)-(e) are performed in one continuous process in the same apparatus without transfer of said mixture to another apparatus.3. The method of claim 1 , wherein said mixture is kneaded in step (d).4. The method of claim 1 , wherein steps (a)-(e) are performed with said apparatus having a single or multi-screw extruder.5. The method of claim 1 , wherein step (b) is performed at a temperature less than about the melting point of a semi-crystalline polymer component or less than about the glass transition temperature of an amorphous polymer component claim 1 , step (c) is performed at a temperature below or above about the melting point of a semi-crystalline polymer component or below or above about the glass transition temperature of an amorphous polymer component claim 1 , and step (d) is performed at a temperature above about the melting point of a semi-crystalline polymer component or above about the glass transition temperature of an amorphous polymer component.6. The method of wherein said filler component is selected from cellulose claim 1 , rice husk ash claim 1 , talc claim 1 , silica claim 1 , silicon carbide claim 1 , silicon nitride claim 1 , glass fibers claim 1 , glass particles claim 1 , alumina claim 1 , zirconia claim 1 , boron claim 1 , metallic particles claim 1 , clay claim 1 , modified clay ...

METHOD FOR PREPARING MICROPOROUS POLYOLEFIN FILM WITH IMPROVED PRODUCTIVITY AND EASY CONTROL OF PHYSICAL PROPERTIES

Provided is a method of manufacturing a microporous polyolefin film useable as a battery separator, which is easy to control strength, permeability and shrinking properties of the microporous film and embodies excellent quality uniformity and production stability in fabricating the microporous film. 111-. (canceled)12. The manufacturing method of a microporous polyolefin film by using a roll type stretching machine , at least includes:{'sup': 5', '6, '(a) melting/mixing/extruding a sheet composition containing a polyolefin composition having a weight-average molecular weight of not less than 1×10to less than 1×10(component I) and a diluent (component II) in a ratio by weight of 15˜50:85˜50 and shaping these compositions into a sheet form through a T-die;'}(b) using the stretching machine of roll type consisting of at least three rolls to stretch the sheet to the machine direction, and then, stretch the film stretched uni-axially to the machine direction into the transverse direction by a stretching machine of tenter type, in order to form a film by sequential biaxial stretching; and(c) extracting the diluent from the film stretched to the machine and transverse direction and drying the film,{'sup': −3', '−3, 'wherein the stretching machine to the machine direction includes at least one preheating roll, at least one stretching roll and at least one cooling roll or air-cooled device, a total roll contact time at the preheating rolls ranges from 1 to 500 seconds, the stretching is executed in at least one section between rolls, a stretching ratio in one section between two rolls ranges from 1.05 to 6 times, a roll contact coefficient of the sheet on the stretching roll ranges from 1.5 to 54 degree (of angle)×m, and a coefficient of non-contact section between rolls ranges from 0.1×10to 200×10min.'}13. The method of claim 12 , wherein the polyolefin composition in step (a) includes at least one polyolefin resin component claim 12 , or 80 to 99.9 wt % of at least one ...

METHOD FOR MANUFACTURING OF A TUBULAR OBJECT FOR INSERTION INTO A BODY PASSAGEWAY

Disclosed are a method and an apparatus for manufacturing a medical tubular object, such as a catheter, for insertion into a body passageway. The method comprises the steps of extruding a tube by pushing tube material though an extrusion nozzle and cutting the extruded tube at a predetermined length. Further, an initial part of the extruded tube is advanced onto a tapered mandrel arranged adjacent the extrusion nozzle such that a flared end is formed, and after a predetermined length of the extruded tube has been advanced onto the tapered mandrel, the tapered mandrel is moved away from the extrusion nozzle to prevent that the rest of the extruded tube is expanded by the tapered mandrel. 1. A method for manufacturing a medical tubular object for insertion into a body passageway , comprising the steps of:extruding a tube by pushing tube material though an extrusion nozzle; andcutting the extruded tube at a predetermined length, advancing an initial part of the extruded tube onto a tapered mandrel arranged adjacent the extrusion nozzle such that a flared end is formed; and', 'after a predetermined length of the extruded tube has been advanced onto the tapered mandrel, moving the tapered mandrel away from the extrusion nozzle to prevent that the rest of the extruded tube is expanded by the tapered mandrel., 'characterized in the steps of2. The method of claim 1 , wherein the medical tube object is a catheter.3. The method according to claim 1 , wherein the tapered mandrel is moved in a direction of the extrusion.4. The method according to claim 1 , wherein the tapered mandrel is moved at a speed that substantially corresponds to a speed at which the extruded tube is produced.5. The method according to claim 1 , comprising the further step of securing the flared end of the extruded tube at the tapered mandrel.6. The method according to claim 1 , wherein the tube material comprises at least one of monosaccharide claim 1 , disaccharide claim 1 , oligosaccharide and ...

METHODS FOR FABRICATING POLYMER-BIOCERAMIC COMPOSITE IMPLANTABLE MEDICAL DEVICES

Methods relating to polymer-bioceramic composite implantable medical devices are disclosed. 1. A method for fabricating an implantable medical device comprising:forming a suspension solution including a fluid, a polymer and bioceramic particles, wherein the polymer is dissolved in the fluid, and wherein the bioceramic particles are dispersed in the solution;spraying the suspension solution to form a plurality of droplets;allowing at least some of the polymer to separate from the fluid in the droplets, wherein at least some of the bioceramic particles separate with the polymer to form a composite mixture, the composite mixture comprising the separated bioceramic particles dispersed within the separated polymer; andfabricating an implantable medical device from the composite mixture.2. The method according to claim 1 , wherein the polymer separates from the fluid due to evaporation of the fluid.3. The method according to claim 1 , further comprising heating the droplets to facilitate evaporation of the fluid.4. The method according to claim 1 , further comprising decreasing the pressure above the suspension solution below a vapor pressure of the fluid to facilitate the evaporation.5. The method according to claim 1 , wherein the suspension solution comprises a surfactant.6. The method according to claim 1 , wherein the medical device is a stent.7. The method according to claim 1 , wherein the polymer is biodegradable.8. The method according to claim 1 , wherein the bioceramic particles are nanoparticles.9. The method according to claim 1 , wherein all or substantially all of the bioceramic particles separate from the fluid in the droplets.10. The method according to claim 1 , wherein a ratio of the weight percent of the bioceramic particles to the polymer in the suspension solution is at least about 1:200.11. The method according to claim 1 , further comprising treating the bioceramic particles with an adhesion promoter prior to or after forming the suspension ...

MANUFACTURING APPARATUS OF RUBBER MEMBER AND MANUFACTURING METHOD OF RUBBER MEMBER

A manufacturing apparatus of a rubber member includes an extruder that kneads and feeds a rubber material; a mouthpiece that discharges the rubber material supplied from the extruder; a support member that has a support surface opposing the mouthpiece; a rubber collection chamber that is formed between the mouthpiece and the support surface, that collects the rubber material discharged from the mouthpiece, and that has an opening in a front movement direction of the support surface with respect to the mouthpiece; and a shutter that opens and closes the opening. A plate-like rubber member is molded using the rubber material discharged from the mouthpiece onto the support surface by relatively moving the support surface and the mouthpiece. 1. A manufacturing apparatus of a rubber member , comprising:an extruder that kneads and feeds a rubber material;a mouthpiece that discharges the rubber material supplied from the extruder;a support member that has a support surface opposing the mouthpiece;a rubber collection chamber that is formed between the mouthpiece and the support surface, that collects the rubber material discharged from the mouthpiece, and that has an opening in a front movement direction of the support surface with respect to the mouthpiece; anda shutter that opens and closes the opening,wherein a plate-like rubber member is molded using the rubber material discharged from the mouthpiece onto the support surface by relatively moving the support surface and the mouthpiece.2. The manufacturing apparatus of a rubber member according to claim 1 ,wherein the mouthpiece includes a discharge port that discharges the rubber material to the rubber collection chamber, and the discharge port opposes the support surface.3. The manufacturing apparatus of a rubber member according to claim 1 ,wherein the mouthpiece includes a discharge port that discharges the rubber material to the rubber collection chamber, and a flow channel that guides the rubber material supplied ...

FIBRE COMPOSITE PROFILE COMPONENT AND PROCESS AND APPARATUS FOR CONTINUOUS PRODUCTION

A process for continuous production of profile components of fiber composite material by a forming chain system, an associated profile component and the chain system for its continuous production. The method draws on the forming chain system having at least one forming chain. Here, preform batch of fiber strands, impregnated with matrix material and/or woven fiber webs, knit webs or nonwoven webs, are brought to the system at the working run of the at least one forming chain and are guided through the forming chain system, forming a continuous profile containing the profile component with a variable cross section over the profile length and/or with a profile longitudinal axis with virtually any desired extent. The profile components can be provided with local reinforcements, add-on parts of inserts, for example, for introducing force, as early as during primary forming. 131-. (canceled)326. A method for continuous production of profile components of fiber composite material with a forming chain system , the fiber composite material comprising a matrix material and an arrangement of reinforcing fibers () , the method comprising the steps of:{'b': '6', 'a) feeding at least one of continuous fiber strands, continuous woven fiber webs, knit webs and nonwoven webs ();'}{'b': 7', '8', '6', '5, 'b) combining (, ) the at least one of the continuous fiber strands, the continuous woven fiber webs, the knit webs and the nonwoven webs () into a continuous preform batch ();'}{'b': 5', '21', '22', '1', '2, 'c) bringing the preform batch () into contact with a working run (, ) of at least one rotary forming chain (, ) of the forming chain system;'}{'b': 5', '21', '22', '1', '2', '17, 'd) guiding the preform batch () through the forming chain system by the working run (, ) of the at least one forming chain (, ) to form a continuous profile () by curing the matrix material;'}{'b': '17', 'e) ejecting the continuous profile () from the forming chain system; and'}{'b': 17', '13, 'f) ...

ELASTIC FILM FOR MAKING A DIAPER FASTENER

An elastic film for making diapers. The film has an extruded elastic layer of a polymer comprised of a mixture of a styrene block copolymer and a plasticizer. the plasticizer is over 50% by weight of at least one vegetable-based oil. 1. An elastic film for making diapers , the film comprising:an extruded elastic layer of a polymer comprised of a mixture of a styrene block copolymer and a plasticizer, the plasticizer being over 50% by weight of at least one vegetable-based oil.2. The elastic film defined in claim 1 , wherein the plasticizer is composed entirely of at least one vegetable-based oil.3. The elastic film defined in claim 1 , wherein the vegetable-based oil hasan iodine number of less than 150, in particular less than 120, and/ora smoke point of more than 180° C., in particular more than 200° C., and/or{'sup': 2', '2, 'a kinematic viscosity at 20° C. of less than 85 mm/sec and more than 60 mm/sec.'}4. The elastic film defined in claim 1 , wherein the vegetable-based oil is rapeseed oil claim 1 , soybean oil claim 1 , sunflower oil claim 1 , corn germ oil claim 1 , cottonseed oil claim 1 , rice germ oil claim 1 , peanut oil claim 1 , olive oil claim 1 , or safflower oil.5. The elastic film defined in claim 1 , wherein rapeseed oil is used as the vegetable-based oil.6. The elastic film defined in wherein the plasticizer is more than 10% by weight and less than 60% by weight of the mixture.7. The elastic film defined in claim 6 , wherein the plasticizer is more than 20% by weight and less than 40% by weight of the mixture.8. The elastic film defined in claim 1 , wherein the polymer composition is more than 30% by weight and less than 60% by weight of the mixture.9. The elastic film defined in claim 1 , wherein the polymer composition is more than 40% by weight and less than 50% by weight of the mixture.10. The elastic film defined in claim 1 , wherein the polymer composition also includes claim 1 , in addition to the styrene block copolymer proportion claim 1 ...

Extrusion of PVDC

Adding a small amount [trace] of finely ground polyethylene to pvdc prior to extrusion, protects the pvdc from decomposing to hydrogen and carbon. This enables longer extruder run times, lower waste, and a higher quality product. 1. The time that pvdc extruders are able to run without being stopped for cleaning is extended from days to weeks or months.2. The amount of waste generated is reduced.3. The quality of the product is improved by the decrease in the black specks of carbon in the product. Polyvinylidene chloride (pvdc) is very difficult to extrude. It decomposes into hydrogen chloride and elemental carbon. The decomposition is catalyzed by contact with metal. During extrusion it is in contact with the extruder screw, the extruder barrel and the die. It is common practice to start with a clean extruder and die. Polyethylene is extruded first to coat thoroughly the metal parts of the extruder and die. Extrusion of pvdc follows the polyethylene. The pvdc soon scours the polyethylene coating and gains metal contact. Decomposition of the pvdc starts with metal contact. A steadily increasing number of black specks of carbon occur in the product until the extruder is stopped for cleaning. This, of course, is an inefficient process.This invention encapsulates the pvdc in a thin coating of polyethylene to prevent the pvdc from metal contact. This produces a better product, free of black specks. The extruder is able to run for weeks or months without having to be stopped for cleaning. The result is lower waste, higher production and a lower cost of production.To encapsulate the pvdc finely ground polyethylene is intimately mixed with the pvdc before extrusion. During extrusion the polyethylene melts before the pvdv. Polyethylene is insoluble in pvdc. The small droplets of polyethylene are squeezed out of the pvdc towards the extruder walls or screw. A small amount (trace) of polyethylene encapsulates all of the pvdc. This prevents contact between the pvdc and the ...

MANUFACTURING METHOD OF BIODEGRADABLE NET-SHAPED ARTICLES

A manufacturing method of biodegradable net-shaped articles includes: (a) preparing a biodegradable mixture; (b) granulating the mixture into plastic grains; (c) baking the plastic grains in an oven at 60° C. to 70° C. for 3 to 4 hours; (d) melting and extruding the plastic grains by a screw-type extruder so as to obtain a net-shaped preform; and (e) cooling and thereby finalizing the net-shaped preform in a cooling bath at 15° C. to 30° C. so as to obtain the net-shaped article. 1. A manufacturing method of biodegradable net-shaped articles comprising steps of:(a) preparing a mixture having a melt flow index of between 3 and 8 by heating, stirring and thereby mixing a first material, a second material and a compatibilizer, with the first material being poly(butylenes adipate-co-terephthalate) (PBAT) in an amount of 20%-80% by weight based on a total weight of the mixture, and the second material as well as the compatibilizer making up the mixture to 100% of the total weight of the mixture, wherein the second material is a composition of polybutylene-1,4-succinate (PBS) and polylactic acid (PLA), in which PBS and PLA are in an amount of 70%-100% by weight and in an amount of 0%-30% by weight based on a total weight of the second material, respectively, and wherein the compatibilizer is in an amount of at least 0.05%-0.5% by weight based on the total weight of the mixture;(b) granulating the mixture into plastic grains;(c) baking the plastic grains in an oven at 60° C. to 70° C. for 3 to 4 hours;(d) melting and extruding the plastic grains by a screw-type extruder that has a rotary die unit so as to obtain a net-shaped preform, wherein in the extruder, a screw temperature is higher than a feed inlet temperature and a die temperature, while the die temperature is lower than the feed inlet temperature;(e) cooling and thereby finalizing the net-shaped preform in a cooling bath at a cooling temperature between 15° C. and 30° C., so as to obtain the net-shaped article.2. ...

NANOFIBERS WITH EXCELLENT BIODEGRADABILITY AND BIOCOMPATIBILITY AND METHOD FOR PRODUCING THE SAME

The invention provides a method for producing nanofibers of an aliphatic polyester resin (a biodegradable resin) with higher productivity than heretofore achieved, for example, without the need of cumbersome steps such as drawing and with operability at normal temperature. The method for producing nanofibers according to the invention includes (1) an extrusion step of extruding an organic solvent solution (S) into filaments in an aqueous solution (W) including a surfactant (SF) and water, the organic solvent solution (S) including an aliphatic polyester resin (A) or an oil-soluble low block copolymer (A) including a block derived from an aliphatic polyester resin (A) and a block derived from a hydrophilic polymer (A), and an organic solvent (S); and (2) a spinning step of collecting the filaments of the organic solvent solution (S) extruded in the step (1) while simultaneously diffusing or extracting the organic solvent (S) of the organic solvent solution (S) into the aqueous solution (W), thereby forming fibers including the aliphatic polyester resin (A) or the oil-soluble low block copolymer (A). 112. Nanofibers comprising an oil-soluble low block copolymer (A) comprising a block derived from an aliphatic polyester resin (A) and a block derived from a hydrophilic polymer (A) , wherein an average cross sectional diameter of the fibers is less than 1 μm.2. The nanofibers according to claim 1 , wherein the average cross sectional diameter is in the range of 100 to 500.312. The nanofibers according to claim 1 , wherein the oil-soluble low block copolymer (A) is an oil-soluble di- or triblock copolymer (A) comprising one or two blocks derived from at least one aliphatic polyester resin (A) claim 1 , and one or two blocks derived from at least one hydrophilic polymer (A).47-. (canceled)81. The nanofibers according to claim 1 , wherein the aliphatic polyester resin (A) is at least one selected from the group consisting of polylactic acid claim 1 , polyglycolic acid claim ...

USE OF 2K CARTRIDGE ADHESIVES AS A LAMINATING ADHESIVE

Use of two-component polyurethane adhesives as a laminating adhesive for the full-surface adhesive bonding of flexible film substrates to form multilayer films, the adhesive being provided packed into cartridges. 1. A method of a multilayer film , comprising:providing a first component of a two component polyurethane adhesive, wherein the first component is disposed within a first cartridge;providing a second component of the two component polyurethane adhesive, wherein the second component is disposed within a second cartridge;dispensing a first amount of the first component and a second amount of the second component to a mixing device to mix the components and form a mixed two component polyurethane adhesive;applying mixed two component polyurethane adhesive to a substrate of a first flexible film;disposing a second flexible film over the applied two component polyurethane adhesive; andbonding the first flexible film to the second flexible film to form the multilayer film.2. The method according to claim 1 , wherein the mixed two-component polyurethene adhesive has a viscosity at 20 to 60° C. of between 200 and 10 claim 1 ,000 mPas (EN ISO 2555).3. The method according to claim 1 , wherein the mixed two-component PU adhesive is applied in an amount from 1 to 100 g/m.4. The method according to claim 1 , wherein the mixing ratio of the components of the two component polyurethene adhesive is between 1:10 and 10:1.5. The method according to claim 4 , wherein the mixing ratio is governed by the configuration of a discharge device claim 4 , by the configuration of the cartridges and/or by the discharge rate of the cartridges.6. The method according to claim 1 , wherein the mixed two-component polyurethene adhesive is free from solvents.7. The method according to claim 1 , wherein the first and second flexible films are independently selected from thermoplastic films claim 1 , paper claim 1 , board and metal foil.8. The method according to claim 1 , wherein the ...

Systems and methods for marine anti-fouling

An anti-biofouling casing for a seismic streamer is described, the anti-biofouling casing comprising a polymer system comprising a hydrophobically-modified base polymer, the hydrophobically-modified base polymer comprising a base polymer having a backbone and a hydrophobically derivatized chain extender coupled to said backbone of said base polymer, wherein the the hydrophobically derivatized chain extender comprises a hydrophobic moiety. The anti-fouling casing comprises a hydrophobic surface the serves to prevent biofouling of the surface.

Obtaining Melt Viscosity Stability of Polyoxymethylene Compositions

Processes for improving melt flow properties of molten compositions with polyoxymethylene polymers and polymer/polyol additives having a certain core-link-arm structure, which include: obtaining melt viscosity stability while improving notched Izod, decreasing relative apparent capillary melt viscosity, and increasing elongation at break relative to molten compositions of polyoxymethylene polymers without the polymer/polyol additives. 1. A process comprising: the polyoxymethylene composition comprising:', '(a) from 50 to 99.5 weight percent of at least one polyoxymethylene polymer selected from the group consisting of homopolymer, copolymer and mixtures of these;', '(b) from 0.5 to 10 weight percent of at least one polymer;', '(c) from 0 to 30 weight percent of one or more fillers; and', '(d) from 0 to 10 weight percent of additives,', 'wherein: the total weight percent of (a), (b), (c), and (d) is 100 percent,', 'wherein the at least one polymer of (b) is selected from the group consisting of:', 'the core comprises one or more carbon atoms, none of which is a carbonate carbon, and is attached to at least three arms;', '(I) one or more polymers having a core-link-arm structure such that, each arm comprises a repeating unit,', 'the core has a molecular weight of greater than 45, does not comprise the repeating unit of the arm, and is attached to more than one arm; and', 'the mass ratio of arms to core in the core-link-arm structure is greater than 3; and, '(II) one or more polymers having a core-link-arm structure such that, the core has a molecular weight from 118 to 1000;', {'sub': '2', 'each link is selected from the group consisting of a bond, .O., .CHO., and any combination of these; and'}], '(III) one or more polyols having a core-link-arm structure such that, '(IV) any combination of (I), (II), and (III), and', 'wherein number average molecular weight of each arm in the corelink', 'arm structure of the at least one polymer b) ranges from 500 to 10,000; and, ' ...

PERMANENT MAGNET PRODUCTION METHOD

With a mandrel inserted in a through hole formed in an extrusion die, a preform filled in the through hole is extruded into a filling space defined between an inner surface of the through hole and an outer surface of the mandrel by pressing the preform with a pressing punch. Consequently, a cylindrical extruded form in which a plurality of stress concentration portions extending along an extruding direction are formed so as to be spaced apart from each other in a circumferential direction is formed. Then, an external force is applied to the extruded form thus obtained to thereby divide the extruded form at the stress concentration portions into a plurality of permanent magnets. 1. A method for producing permanent magnet , comprising:with a mandrel inserted in a through hole formed in an extrusion die, extruding a preform filled in the through hole into a filling space defined between an inner surface of the through hole and an outer surface of the mandrel by pressing the preform with a pressing punch, thereby forming a cylindrical extruded form in which a plurality of stress concentration portions extending along an extruding direction are formed so as to be spaced apart from each other in a circumferential direction; andapplying an external force to the extruded form obtained to thereby divide the extruded form at the stress concentration portions into a plurality of permanent magnets.2. The method for producing permanent magnet according to claim 1 , whereineach of the stress concentration portions is formed on an inner surface and/or an outer surface of the extruded form by two surfaces which are successively connected in a circumferential direction so as to form an angle.3. The method for producing permanent magnet according to claim 1 , whereinprojecting portions which project to the filling space are provided on the inner surface of the through hole in the extrusion die or the outer surface of the mandrel so as to project therefrom, and grooves as radially ...

Cellulose Ethers With Improved Thermal Gel Strength

Aqueous cellulose ether blend with improved thermal gel strength are formed by combining nanocrystalline cellulose with thermal gelling cellulose ethers. This blend can be used as a binder in a variety of different applications, such as food products and ceramic green bodies. It can also be used to form capsule shells for pharmaceuticals. 2. The composition of wherein said thermal gelling cellulose ether is selected from the group consisting of methyl cellulose claim 1 , methylhydroxypropyl cellulose claim 1 , methylhydroxyethyl cellulose claim 1 , and combinations thereof.3. The composition of wherein said ratio is from about 10:1 to about 1:2 by weight.4. The composition of wherein said composition is substantially free of alkylene glycols.6. The green ceramic body of wherein said ceramic precursor powder comprises compounds selected from the group consisting of clay claim 5 , talc claim 5 , silica alumina claim 5 , magnesium oxide claim 5 , silicon nitride claim 5 , silicon carbide claim 5 , aluminum silicate claim 5 , aluminum titrate claim 5 , cordierite claim 5 , and combinations thereof.7. The material of wherein said binder is from about 2 to about 15 weight percent.8. The material of wherein said thermal gelling cellulose ether is selected from the group consisting of methyl cellulose claim 5 , methylhydroxypropyl cellulose claim 5 , methylhydroxyethyl cellulose claim 5 , and combinations thereof.9. The material of wherein a ratio of said cellulose ether to said nanocrystalline cellulose is from about 10:1 to about 1:2 by weight.10. The material of further comprising an amount of water effective to dissolve at least a portion of said binder.12. The method of further comprising adding at least one of a lubricant claim 11 , a dispersant and a flocculant into said blend.13. The method of wherein said thermal gelling cellulose ether is selected from the group consisting of methyl cellulose claim 11 , methylhydroxypropyl cellulose claim 11 , methylhydroxyethyl ...

ASSEMBLY AND PROCESS FOR CREATING AN EXTRUDED PIPE FOR USE IN A GEOTHERMAL HEAT RECOVERY OPERATION

The present invention discloses an assembly and process for creating a co-extruded pipe which includes the steps of extruding a first elongated component exhibiting an open interior. Additional process steps include co-extruding at least one, and typically a pair, of additional elongated components each having an arcuate or lobe cross sectional shape or profile. The additional components are bonded to exterior locations of the first component to establish a pair of additional open interiors between the components and prior to cooling and hardening. 1. A process for creating a co-extruded pipe , comprising the steps of:extruding a first elongated component exhibiting an open interior;co-extruding at least one second elongated component having an arcuate cross sectional profile; andbonding said second component to an exterior of said first component such that a second open interior is established between the first and second components and prior to cooling and hardening of the components.2. The invention as described in claim 1 , said step of co-extruding further comprising die forming a pair of second components having first and second arcuate shaped lobes around a cylindrical shaped central sleeve.3. The invention as described in claim 1 , further comprising the steps of linearly drawing and immersion cooling said co-extruded pipe.4. The invention as described in claim 3 , further comprising the steps of sectioning and stacking said pipe.5. The invention as described in claim 1 , further comprising the step of cross forming apertures into said first component in non-interfering fashion with said second arcuate shaped components.6. An assembly for producing a co-extruded pipe claim 1 , comprising:a main extruder;a co-extruder conjoining with said main extruder at a location from which an assembled extrusion is fed into a vacuum induced die chamber;a linearly extending and elongated guiding/drawing subassembly located in communication with an outlet of said die ...

WETTED TYPE CALIBRATOR FOR MANUFACTURING WINDOW FRAME AND MANUFACTURING DEVICE INCLUDING THE CALIBRATOR

A wetted type calibrator for manufacturing a window frame and a manufactruing device including the same, in which an intensive cooling system having the wetted type calibrator including multiple disk parts is disposed at a next process of an extrusion molding process so as to enhance cooling effect. The wetted type calibrator for manufacturing the window frame includes a housing which accommdates a desired amount of water therein; and a calibrator assembly which is disposed in the housing so that an extruded product formed of a synthetic resin material is passed therethrough. The apparatus for manufacturing the window frame includes an extruder in which functions to a raw mater injected through a hopper is heated and melted in a heating cylinder having a heater and then the melted material is extruded by rotation of a screw; an extrusion die by which the gel-state material supplied through the extruder is formed into a desired shape; a wetted type calibrator which forms a profile shape of the product passed through the extrusion die and also forms the product having a precise dimension and shape; a water tank which cools the extruded product passed through the wetted type calibrator; an extracting device which pulls the extruded product passed through the water tank with constant foce; and a cutting device which cuts the extruded product in a desired size. 1. A wetted type calibrator for manufacturing a window frame , comprising:a housing which accommdates a desired amount of water therein; anda calibrator assembly which is disposed in the housing so that an extruded product formed of a synthetic resin material is passed therethrough.2. The wetted type calibrator according to claim 1 , wherein the housing comprises a vacuum valve for sucking external air; and cooling water supply and discharge valves.3. The wetted type calibrator according to claim 1 , wherein the calibrator assembly comprises first and second assemblies having multiple assembled disk parts.4. The ...

METHOD OF MANUFACTURING CYLINDRICAL BONDED MAGNET AND MANUFACTURING EQUIPMENT FOR CYLINDRICAL BONDED MAGNET

In a method for manufacturing a cylindrical bonded magnet, a molding space having a cylindrical shape is filled with a bonded magnet composition containing a magnetic material and a resin. The magnetic material disposed in the molding space is magnetically oriented using an orientation magnet. The orientation magnet includes a first permanent magnet and a second permanent magnet. The first and second permanent magnets are disposed such that same poles are opposite each other in the axial direction. 1. A method of manufacturing a cylindrical bonded magnet , the method comprising:filling a molding space having a cylindrical shape with a bonded magnet composition containing a magnetic material and a resin;orienting magnetically the magnetic material disposed in the molding space using an orientation magnet; and a first permanent magnet having N poles and S poles disposed alternately in a circumferential direction, and', 'a second permanent magnet having N poles and S poles disposed alternately in the circumferential direction, the second permanent magnet being disposed adjacent to the first permanent magnet in the axial direction, the first and second permanent magnets being disposed such that same poles are opposite each other in the axial direction., 'extruding a molten bonded magnet composition from the molding space in an axial direction of the orientation magnet to mold the molten bonded magnet, the orientation magnet including'}2. The method of manufacturing a cylindrical bonded magnet according to claim 1 , wherein the orientation magnet includes a third permanent magnet having N poles and S poles disposed alternately in a radial direction facing radially outward claim 1 , the third permanent magnet being disposed between the first permanent magnet and the second permanent magnet in the axial direction.3. The method of manufacturing a cylindrical bonded magnet according to claim 1 , wherein a magnetization direction of each of the first and second permanent ...

POLYESTER YARN AND A PRODUCTION METHOD THEREFOR

Disclosed is a polyester yarn, wherein a room-temperature strength-elongation index (X) indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn, measured at room temperature, and a primary high-humidity strength-elongation index (X) indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn, measured after heat-treating the polyester yarn under conditions of a temperature of 85° C. and a relative humidity (RH) of 95±5% for 168 hours, are optimized in a predetermined range. 1. A polyester yarn , wherein a room-temperature strength-elongation index (X) indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn , measured at room temperature; and a primary high-humidity strength-elongation index (X) indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn , measured after heat-treating the polyester yarn under conditions of a temperature of 85° C. and a relative humidity of 95±5% for 168 hours , are represented by Calculation Formula 1 below:{'br': None, 'sup': 1', '0, '0.65≦X/X≦0.93\u2003\u2003Calculation Formula 1'}{'sup': 0', '0', '0', '0', '0, 'wherein Xis a room-temperature strength-elongation index indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn, measured at room temperature; and'}{'sup': 1', '1', '1', '1', '1, 'Xis a primary high-humidity strength-elongation index indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn, measured after heat-treating the polyester yarn under conditions of a temperature of 85° C. and a relative humidity of 95±5% for 168 hours.'}2. The polyester yarn of claim 1 , wherein a room-temperature strength-elongation index (X) indicating a ratio (T/S) of tensile strength (T) to tensile elongation (S) of the polyester yarn claim 1 , measured at room temperature; and a secondary high-humidity ...

TEXTURED RELEASE LINER CONTAINING AN ORGANIC PARTICULATE PHASE

A release liner can include one or more release layers. The release layer can include a thermoplastic polymer matrix. Moreover, the release layer can include an organic particulate phase. The organic particulate phase can be dispersed in the thermoplastic polymer matrix. In one embodiment, the organic particulate can include micronized PTFE particles. The PTFE particles can be present in the release liner such that the surface roughness Sof the release liner ranges from 0.1 microns to 1 micron. 1. A release liner comprising:at least one release layer, the release layer comprising a thermoplastic polymer matrix and an organic particulate phase in the thermoplastic polymer matrix.2. A mold assembly comprisinga cavity for receiving a workpiece; anda release liner disposed in the cavity, the release liner comprising at least one release layer, the release layer comprising a thermoplastic polymer matrix and an organic particulate phase in the thermoplastic polymer matrix.3. The release liner according to claim 1 , wherein the thermoplastic polymer matrix comprises a fluoropolymer.4. The release liner according to claim 3 , wherein the fluoropolymer is selected from the group consisting of poly(ethylene-tetrafluoroethylene) (ETFE) claim 3 , tetrafluoroethylene-perfluoropropylene (FEP) claim 3 , perfluoroalkoxy (PFA) claim 3 , polyethylenechlorotrifluoroethylene (ECTFE) claim 3 , polyvinylidene fluoride (PVDF) claim 3 , and any combination thereof.5. (canceled)6. (canceled)7. The release liner according to claim 3 , wherein the fluoropolymer comprises poly(ethylene-tetrafluoroethylene) (ETFE).8. (canceled)9. The release liner according to claim 1 , wherein the thermoplastic polymer matrix has a melting point of at least about 195° C.10. The release liner according to claim 9 , wherein the melting point is not greater than about 330° C.11. The release liner according to claim 1 , wherein the organic particulate phase comprises a non-melt-processible polymer.12. The release ...

POLYESTER-BASED TAPE, PROCESS FOR PRODUCING SAID TAPE AND USE THEREOF

The invention relates to a tape comprising from (i) about 75 wt % to about 99.9 wt % of a thermoplastic polyester, (ii) from about 0.1 wt % to about 25 wt % of a linear low-density polyethylene and (iii) from 0 wt % to about 5 wt % of other components, said tape having a thickness from 5 μm to 300 μm and a width from 0.5 mm to 7 mm. This tape shows no twinning and sticking to other tapes after slitting, has very good mechanical properties. When the tape is wound, bobbins having a regular shape can be obtained. 1. A tape comprising (i) from about 75 wt % to about 99.9 wt % of a thermoplastic polyester , (ii) from about 0.1 wt % to about 25 wt % of a linear low-density polyethylene and (iii) from 0 wt % to about 5 wt % of other components , wherein said tape has a thickness from 5 μm to 300 μm and a width from 0.5 mm to 7 mm.2. The tape according to claim 1 , wherein the intrinsic viscosity of the thermoplastic polyester component is at least 0.5 dL/g claim 1 , measured in phenol-1 claim 1 ,2dichlorobenzene at 25° C.3. The tape according to claim 1 , wherein the thermoplastic polyester is a poly(ethylene terephthalate)homopolymer or copolymer.43. The tape according to any of the preceding claim 1 , wherein the linear low-density polyethylene is an ethylene-1-butene copolymer claim 1 , an ethylene-1-pentene copolymer claim 1 , an ethylene-1-hexene copolymer claim 1 , an ethylene-1-heptene copolymer or an ethylene-1-octene copolymer.5. The tape according to claim 4 , wherein the linear low-density polyethylene is an ethylene-1-octene copolymer.6. The tape according to claim 1 , comprising from about 1.5 wt % to about 10 wt % of a linear low-density polyethylene.7. The tape according to claim 1 , wherein the tape is a uniaxially oriented tape.8. A process for making a tape according to claim 1 , further comprising:(a) extruding a composition comprising from (i) about 75 wt % to about 99.9 wt % of a thermoplastic polyester; (ii) from about 0.1 wt % to about 25 wt % of a ...

BIOMEDICAL PATCHES WITH ALIGNED FIBERS

A structure of aligned (e.g., radially and/or polygonally aligned) fibers, and systems and methods for producing and using the same. One or more structures provided may be created using an apparatus that includes one or more first electrodes that define an area and/or partially circumscribe an area. For example, a single first electrode may enclose the area, or a plurality of first electrode(s) may be positioned on at least a portion of the perimeter of the area. A second electrode is positioned within the area. Electrodes with rounded (e.g., convex) surfaces may be arranged in an array, and a fibrous structure created using such electrodes may include an array of wells at positions corresponding to the positions of the electrodes. 1. A system for producing a structure including a plurality of fibers , the system comprising:one or more first electrodes defining an area;a second electrode positioned within the area; anda spinneret configured to dispense a polymer while the one or more first electrodes and the second electrode are charged at a first polarity and the spinneret is electrically charged at a second polarity opposite the first polarity,wherein the dispensed polymer forms a plurality of fibers extending from the second electrode to the first electrodes.2. The system of claim 1 , wherein the area defines a horizontal plane claim 1 , and the spinneret is aligned with the second electrode and vertically offset from the horizontal plane.3. The system of claim 1 , wherein the one or more first electrodes comprise a single first electrode that encloses the area.45-. (canceled)6. The system of claim 1 , wherein the one or more first electrodes comprise a plurality of peripheral electrodes circumscribing the area.78-. (canceled)9. The system of claim 1 , further comprising a power supply electrically coupled to the one or more first electrodes claim 1 , the second electrode claim 1 , and the spinneret claim 1 , wherein the power supply is configured to:electrically ...

HIGHLY TRANSPARENT SILICONE MIXTURES THAT CAN BE CROSS-LINKED BY LIGHT

Silicone fibers suitable for use as optical fibers are prepared by crosslinking an extruded mixture of a silicone resin and an organopolysiloxane, both containing aliphatically unsaturated groups, an organopolysiloxane bearing Si—H groups, and a light activatable trimethyl(methylcyclopentadienyl) platinum catalyst. 15.-. (canceled)6. A transparent silicone mixture crosslinkable under the influence of light , comprising [{'br': None, 'sub': 3', '1/2, 'RSiO\u2003\u2003(I),'}, {'br': None, 'sub': 2', '2/2, 'RSiO\u2003\u2003(II),'}, {'br': None, 'sub': '3/2', 'RSiO\u2003\u2003(III),'}, {'br': None, 'sub': '4/2', 'SiO\u2003\u2003(IV),'}, 'in which, '(A) at least one organosiloxane resin comprising units of the formulae I, II, III and IV'} with the proviso that', 'at least 20 mol % of the units are selected from units of the general formulae III and IV,', 'at least 2 of the R radicals are alkenyl radicals having 1-10 carbon atoms and', 'at most 2% by weight of the R radicals are —OH radicals,, 'R are saturated hydrocarbyl radicals optionally substituted by halogens, and having 1-40 carbon atoms, or —OH,'}(B) at least one polyorganosiloxane containing at least two alkenyl groups per molecule and having a chain length of the longest chain of 200 to 10,000 siloxy units,(C) at least one organosilicon compound containing at least two SiH functions per molecule and{'sub': '3', '(D) as one catalyst, MeCp(PtMe) activatable by light from 200 to 500 nm.'}7. The silicone mixture of claim 6 , in which at least one organosiloxane resin (A) is an MQ silicone resin containing at least 80 mol % of units of the formulae I and IV.8. The silicone mixture of claim 6 , in which at least one polyorganosiloxane (B) corresponds to the average formula V{'br': None, 'sup': 1', '2, 'sub': x', 'y', '(4−x−y)/2, 'RRSiO\u2003\u2003(V)'}in which{'sup': '1', 'sub': 1', '10, 'Ris a monovalent, optionally halogen- or cyano-substituted C-Chydrocarbyl radical optionally bonded to silicon via an organic ...

Method for Producing a Polyamide Nanofiber Product by Electrospinning, Polyamide Nanofiber Product, a Filter Medium with Polyamide Nanofiber Product, as well as a Filter Element with such a Filter Medium

In a method for producing a polyamide nanofiber product that contains PTFE particles, a spinning solution containing polyamide, PTFE, and a conductivity-increasing additive is provided and nanofibers are produced by electrospinning from the spinning solution. The conductivity-increasing additive is an acid-resistant additive; a surfactant additive; or an acid-resistant and surfactant additive and contains one or more organic salts. The polyamide nanofiber product with PTFE particles is used in filter media and is especially applied to a filter layer of cellulose or synthetic material. 1. A method for producing a polyamide nanofiber product that contains PTFE (polytetrafluoroethylene) particles , in particular adhering PTFE particles , the method comprising:providing a spinning solution containing polyamide, PTFE, and a conductivity-increasing additive;electrospinning nanofibers from the spinning solution.2. The method according to claim 1 , wherein the conductivity-increasing additive is an acid-resistant additive; a surfactant additive; or an acid-resistant and surfactant additive.3. The method according to claim 1 , wherein the conductivity-increasing additive comprises one or more organic salts.4. The method according to claim 3 , wherein the organic salt is a quaternary ammonium compound.5. The method according to claim 4 , wherein the quaternary ammonium compound is tetraethyl ammonium ethyl sulfate.6. The method according to claim 1 , wherein the spinning solution contains PTFE in a range of 0.1% by weight to 10% by weight based on the basic batch weight of the spinning solution.7. The method according to claim 6 , wherein the spinning solution contains PTFE in a range of 5% by weight to 7.5% by weight based on the basic batch weight of the spinning solution.8. The method according to claim 1 , wherein the spinning solution contains the conductivity-increasing additive in a range of 0.1% by weight to 10% by weight of the basic batch weight of the spinning ...

METHOD AND DEVICE FOR FABRICATING A COMPOSITE PRODUCT

A method and a device to fabricate a composite product, where an intermediate product is formed from raw material including fibre containing material and polymer based material with the help of extrusion and a composite product is shaped from the intermediate product with at least one shaping tool wherein the cross sectional profile of the intermediate product is shaped with at least one extrusion tool during the extrusion and the temperature of the intermediate product is controlled after the extrusion tool so that in different parts of the cross sectional profile of the intermediate product different temperature zones are arranged according to the predetermined target values of the temperature ranges.

Polyethylene-based oriented monofilaments and strips and method for the preparation thereof

The present disclosure provides for a tape or monofilament of a polyethylene composition comprising less than or equal to 100 percent by weight of the polyethylene composition derived from ethylene monomers, and less than 20 percent by weight of the polyethylene composition derived from one or more α-olefin monomers, where the polyethylene composition of the tape or monofilament has a density in the range of 0.920 to 0.970 g/cm 3 , a molecular weight distribution (M w /M n ) in the range of 1.70 to 3.5, a melt index (I 2 ) in the range of 0.2 to 50 g/10 minutes, a molecular weight distribution (M z /M w ) in the range of less than 2.5, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the polyethylene composition, where the tape or monofilament has a decitex of greater than 500 g/10,000 m.

RIBBED FILM STRUCTURES WITH PIGMENT CREATED VISUAL CHARACTERISTICS

In one example embodiment, a film includes a coextruded structure having both an extruded ribbed skin layer that includes a plurality of ribs, and a core layer. The ribs are spaced apart by a web that is integral with the ribs. The film also includes a coloring agent that is substantially more apparent in the ribs than in the web, such that a contrast in color and/or color intensity between the ribs and the web is visible. 1. A film , comprising: a ribbed skin layer that includes a plurality of ribs, where consecutive ribs are spaced apart from each other by a web that is integral with the consecutive ribs; and', 'a core layer attached to the ribbed skin layer; and, 'a coextruded structure that includesa coloring agent, wherein the coloring agent is apparent in one of the ribbed skin layer, and the core layer.2. The film as recited in claim 1 , wherein the ribbed skin layer and the core layer both comprise plastic.3. The film as recited in claim 1 , wherein the coloring agent is present only in the ribbed skin layer.4. The film as recited in claim 3 , wherein the coloring agent is apparent substantially only in the ribs of the ribbed skin layer.5. The film as recited in claim 1 , wherein the coloring agent is one of: substantially opaque; translucent; and claim 1 , transparent.6. The film as recited in claim 1 , wherein the coloring agent is present only in the core layer.7. The film as recited in claim 6 , wherein the film further comprises a voiding agent in the ribbed skin layer.8. The film as recited in claim 1 , wherein there is a visible contrast between the ribs and the webs claim 1 , and the visible contrast is at least one of: a contrast in color; and claim 1 , a contrast in intensity of color.9. The film as recited in claim 1 , wherein the ribbed skin layer includes indicia perceptible by one or more senses of a user claim 1 , and wherein the indicia are one of:substantially cosmetic in nature; andindicative of a physical property of the film.10. The film ...

Polymer blends

The present invention provides, among other things, extruded blends of aliphatic polycarbonates and polyolefins. In one aspect, provided blends comprise aliphatic polycarbonates such as poly(propylene carbonate) and a lesser amount of a crystalline or semicrystalline polymer. In certain embodiments, provided blends are characterized in that they exhibit unexpected improvements in their elongation properties. In another aspect, the invention provides methods of making such materials and applications of the materials in applications such as the manufacture of consumer packaging materials.

PROPYLENE RESIN MICROPOROUS FILM, BATTERY SEPARATOR, BATTERY, AND METHOD FOR PRODUCING PROPYLENE RESIN MICROPOROUS FILM

Provided is a propylene resin microporous film which has excellent lithium ion permeability, and can be used to fabricate a high-performance lithium ion battery and prevent short circuits between positive and negative electrodes by dendrites. The propylene resin microporous film has micropores formed by uniaxially stretching a propylene resin film, a degree of air permeability of 100 to 400 s/100 mL, and a rate of surface aperture of 30 to 55%. 1. A propylene resin microporous film , having micropores formed by uniaxially stretching a propylene resin film , and having an air permeability of 100 to 400 s/100 mL , and a rate of surface aperture of 30 to 55%.2. The propylene resin microporous film according to claim 1 , wherein the propylene resin has a weight average molecular weight of 250 claim 1 ,000 to 500 claim 1 ,000 and a melting point of 160 to 170° C.3. The propylene resin microporous film according to claim 1 , wherein the propylene resin has a molecular weight distribution (weight average molecular weight/number average molecular weight) of 7.5 to 12.0.4. The propylene resin microporous film according to claim 1 , wherein the propylene resin film has an amount of heat of fusion of 110 mJ/mg or more determined by differential scanning calorimetry claim 1 , and a birefringence of 1.4×10or larger.5. The propylene resin microporous film according to claim 1 , wherein the propylene resin film has an elastic recovery rate at 100% elongation of 95% or more.6. The propylene resin microporous film according to claim 1 , wherein the longest diameter of aperture edges of the micropores is 1 μm or less claim 1 , and the average longer diameter of the aperture edges is 500 nm or less.7. The propylene resin microporous film according to claim 1 , wherein a pore density is 15 pores/μmor more.8. A battery separator claim 1 , comprising the propylene resin microporous film according to .9. A battery into which the battery separator according to is incorporated.10. A method ...

NANOFIBER ELECTRODE AND METHOD OF FORMING SAME

In one aspect, a method of forming an electrode for an electrochemical device is disclosed. In one embodiment, the method includes the steps of mixing at least a first amount of a catalyst and a second amount of an ionomer or uncharged polymer to form a solution and delivering the solution into a metallic needle having a needle tip. The method further includes the steps of applying a voltage between the needle tip and a collector substrate positioned at a distance from the needle tip, and extruding the solution from the needle tip at a flow rate such as to generate electrospun fibers and deposit the generated fibers on the collector substrate to form a mat with a porous network of fibers. Each fiber in the porous network of the mat has distributed particles of the catalyst. The method also includes the step of pressing the mat onto a membrane. 1. A method of forming an electrode for an electrochemical device , comprising the steps of:(a) mixing at least a first amount of a catalyst and a second amount of an ionomer or an uncharged polymer to form a solution;(b) delivering the solution into a metallic needle having a needle tip;(c) applying a voltage between the needle tip and a collector substrate positioned at a distance from the needle tip;(d) extruding the solution from the needle tip at a flow rate such as to generate electrospun fibers and deposit the generated fibers on the collector substrate to form a mat comprising a porous network of fibers, wherein each fiber has a plurality of particles of the catalyst distributed thereon; and(e) pressing the mat onto a membrane.2. The method of claim 1 , wherein the catalyst comprises platinum-supported carbon (Pt/C).3. The method of claim 1 , wherein the ionomer or uncharged polymer comprises Nafion®.4. The method of claim 1 , wherein forming the solution further comprises mixing a third amount of a second polymer with the first amount of catalyst and second amount of ionomer or uncharged polymer.5. The method of claim ...

RESIN HOSE AND METHOD OF PRODUCING THE SAME

To provide a resin hose excellent in barrier property (fuel barrier property or gas barrier property) and flexibility, the resin hose includes a resin layer containing the following components (A) and (B) as main components thereof, and containing the following component (C): 11. A resin hose , comprising a resin layer () containing the following components (A) and (B) as main components thereof , and containing the following component (C):(A) an aliphatic polyamide;(B) a semi-aromatic polyamide; and {'b': '1', 'claim-text': [{'b': '2', 'a sea phase () comprising the components (A) to (C), and'}, {'b': 3', '3, 'needle-like island phases () comprising the component (B) and not the components (A) and (C), the needle-like island phases () being arranged along a longitudinal direction of the resin hose.'}], 'wherein the resin layer () is formed of'}, '(C) diisobutyl adipate,'}2. A resin hose as claimed in claim 1 , wherein a weight ratio of the component (A) to the component (B) falls within a range of (A)/(B)=10/90 to 60/40.3. A resin hose as claimed in claim 1 , wherein a content of the component (C) falls within a range of from 0.1 part by weight to less than 2 parts by weight with respect to 100 parts by weight of a total of the component (A) and the component (B).4. A resin hose as claimed in claim 2 , wherein a content of the component (C) falls within a range of from 0.1 part by weight to less than 2 parts by weight with respect to 100 parts by weight of a total of the component (A) and the component (B).5. A method of producing a resin hose according to claim 1 , the method comprising extrusion at a temperature of from 260 to 330° C.6. A method of producing a resin hose according to claim 2 , the method comprising extrusion at a temperature of from 260 to 330° C.7. A method of producing a resin hose according to claim 3 , the method comprising extrusion at a temperature of from 260 to 330° C.8. A method of producing a resin hose as claimed in claim 5 , wherein ...

APPARATUS FOR MANUFACTURING SYNTHETIC WOOD HAVING STRIPES AND THE METHOD THEREOF AND THE SYNTHETIC WOOD OF THE SAME

Disclosed is an apparatus for manufacturing synthetic wood having spripes, and the method thereof and the syn-thetic wood of the same. The apparatus includes a main extruder comprising a hopper through which a raw material is injected, a heating cylinder which is disposed at a lower side of the hopper so as to melt the raw material, and an extrusion screw which ex-trudes the melted raw material in the heating cylinder; an uneven wood grain forming part which injects the melted different colors raw material in a transverse direction (or diagonal direction) so as to form an uneven stripe pattern in the transverse direction (or diagonal direction) as well as a length direction of synthetic wood and at an outer surface and an inner portion thereof; and a mold which forms the extruded material introduced through the uneven wood grain forming part into an extruded product of synthetic wood. 1. An apparatus for manufacturing synthetic wood having spripes , comprising:a main extruder comprising a hopper through which a raw material is injected, a heating cylinder which is disposed at a lower side of the hopper so as to melt the raw material, and an extrusion screw which extrudes the melted raw material in the heating cylinder;an uneven wood grain forming part which injects the melted different colors raw material in a transverse direction (or diagonal direction) so as to form an uneven stripe pattern in the transverse direction (or diagonal direction) as well as a length direction of synthetic wood and at an outer surface and an inner portion thereof; anda mold which forms the material introduced through the main extruder and the uneven wood grain forming part into an extruded product of synthetic wood.2. The apparatus according to claim 1 , wherein the uneven wood grain forming part comprises an injector (or pump) which injects a melted different colored raw material thorugh an extrusion head in the transverse direction (or diagonal direction) of the synthetic wood; and an ...

POLYPHENYLSULFONE-POLYTETRAFLUOROETHYLENE BLEND FOR ANTI-WEAR TAPES IN FLEXIBLE OIL PIPES

The invention relates to an improved blend of polyphenylsulfone (PPSU) and polytetrafluoroethylene (PTFE) for producing friction-reducing tapes (anti-wear tapes) used as a friction-reducing intermediate layer in flexible fluid pipes, e.g. oil pipes.

Method And Apparatus For Micropelletization

In a method and apparatus for micropelletization of a polymeric material, a melt thread of the polymeric material is formed by an extruder. A flowing gas is directed to the melt thread to form Rayleigh disturbances in the melt thread and break up the melt thread into discrete microdroplets. The discrete microdroplets are then solidified to form micropellets. 1. A method of micropelletizing a material , the method comprising:forming a melt thread of the material;directing a flowing gas to the melt thread to form Rayleigh disturbances in the melt thread and break up the melt thread into discrete microdroplets; andsolidifying the discrete microdroplets to form micropellets.2. The method set forth in wherein the material comprises a polymer.3. The method set forth in wherein the polymer comprises at least one of a polyethylene claim 1 , polystyrene claim 1 , polyvinyl chloride claim 1 , and polytetrafluoroethylene (PTFE).4. The method set forth in wherein the method is for micropelletizing a poly(lactic) acid material claim 1 , the step of forming a melt thread of the material comprising forming a melt thread of the poly(lactic) acid material.5. The method set forth in wherein the gas is air.6. The method set forth in further wherein said directing a flowing gas comprises directing the flowing air alongside the melt thread.7. The method set forth in wherein said forming a continuous melt thread comprises extruding melt material through an extrusion die.8. The method set forth in wherein said extruding melt material through an extrusion die comprises extruding melt material through a substantially cylindrical melt orifice of the extrusion die.9. The method set forth in wherein said solidifying the discrete microdroplets comprises solidifying the discrete microdroplets during free fall in a drop tube.10. The method set forth in wherein at least some of the micropellets have cross-sectional diameters that are less than about 1 mm.11. The method set forth in wherein at ...

Polymer pelletization via melt fracture

Polymer pellets are formed using air to influence the separation of polymer from a polymer melt. In accordance with one or more embodiments, a polymer material is extruded through a nozzle to form a polymer melt extending from the nozzle. A non-uniform thickness is generated in the polymer melt using a gas or gasses to apply a drag force to the polymer melt. This drag force reduces a thickness of a portion of the polymer melt adjacent the nozzle, and the polymer melt is fractured into discrete droplets at the reduced thickness. The discrete droplets are then solidified to form pellets.

METHOD AND APPARATUS FOR PRILLING WITH PRESSURE CONTROL

Methods and apparatus for prilling are provided which include dynamically controlling the pressure at the prill head for increased control over prill quality and size distribution. In one embodiment, the pressure of a headspace above a volume of liquid or slurry is regulated to maintain a more precise control of the pressure of the liquid or slurry at the prill head. In another embodiment, an axial upflow device is used to maintain a more precise control of the pressure of the liquid or slurry at the prill head. 1. A prilling method , comprising the steps of:supplying a liquid or slurry to a vessel, the vessel in fluid communication with a prill plate having a plurality of apertures;maintaining a substantially constant volume of the liquid or slurry in the vessel while allowing passage of the liquid or slurry through the prill plate; andregulating a pressure of the liquid or slurry at a location proximate the prill plate during said maintaining step.2. The method of claim 1 , wherein the vessel includes a headspace above the volume of the liquid or slurry and said regulating step further comprises the additional steps of:supplying a gas or vapor to the vessel at a pressure higher than a predetermined pressure; andventing the gas or vapor to substantially maintain the predetermined pressure in the vessel.3. The method of claim 2 , wherein said regulating step further comprises the additional steps of:measuring the pressure at a position in the headspace; andventing the gas or vapor in response to the measured pressure.4. The method of claim 2 , wherein said regulating step further comprises the additional steps of:measuring the pressure at a position in the volume of liquid or slurry; andventing the gas or vapor in response to from the vessel in response to the measured pressure.5. The method of wherein said regulating step further includes providing an axial upflow to the liquid or slurry.6. The method of further comprising the additional step of comprising shear- ...

PROCESS FOR PRODUCING HIGH-PERFORMANCE POLYMER FIBERS

The present invention relates to a process for the preparation of polymer filaments having a high tensile strength and modulus by extrusion of a solution of a solvent and linear high-molecular weight polymer and subsequent spinning and quenching of the filaments thus formed, wherein after spinning and quenching the as-spun filaments are stretched under contact with steam for removing the solvent from filaments being stretched. 1. A process for the preparation of polymer filaments having a high tensile strength and modulus comprising:a) extrusion of a solution of a solvent and linear high-molecular weight polymer;b) spinning and quenching of filaments formed in step (a); andc) stretching the as-spun filaments under contact with steam thereby removing the solvent from the filaments.2. The process according to claim 1 , wherein the solvent and steam are not miscible.3. The process according to claim 2 , wherein the solvent has a boiling point of >100° C. at atmospheric pressure.4. The process according to claim 1 , wherein the steam temperature is between 120-150° C. and the pressure is atmospheric pressure.5. The process according to claim 1 , wherein contact with steam and the filaments during stretching occurs under conditions such that filaments entering the area where stretching takes place encounter a lower steam temperature than filaments leaving the area.6. The process according to claim 1 , wherein the solvent removed during stretching is recovered.7. The process according to claim 6 , wherein the recovered solvent is re-used as solvent in the process for the preparation of polymer filaments.8. The process according to claim 1 , wherein the stretched filaments undergo a post drawing step.9. The process according to claim 8 , wherein the post drawing step is carried out in an oven at a temperature above 130° C.10. The process according to claim 1 , wherein during stretching the filaments there is no contact between filaments and rollers.11. The process ...

BIODEGRADABLE COMPOSITES

The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, wherein the composite filaments are entangled or wherein the two further comprises one or more further thermoplastic materials or wherein the weight ration of cellulose to cellulose acetate in the tow is from 10:90 to 90:10, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres or films, and converting the fibres or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow. 1. A biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate , and further comprising one or more further thermoplastic materials.2. The filter tow according to claim 1 , wherein the further thermoplastic material is selected from one or more of PHB claim 1 , PHVB claim 1 , polyacrylonitrile (PAN) claim 1 , poly-2-hydroxyethylmethylacrylate (PHEMA) claim 1 , polyvinylalcohol (PVA) claim 1 , polyaniline and polyethylene glycol.3. A biodegradable cigarette filter tow claim 1 , comprising:composite filaments of cellulose and cellulose acetate,wherein the weight ratio of cellulose to cellulose acetate is from 10:90 to 90:10.4. The filter tow according to claim 3 , wherein the ratio of cellulose to cellulose acetate is from 20:80 to 80:20.5. The filter tow according to claim 4 , wherein the ratio of cellulose to cellulose acetate is from 30:70 to 70:30.6. A biodegradable cigarette filter tow claim 4 , comprising entangled composite filaments of cellulose and cellulose acetate.7. The filter tow according to claim 1 , further comprising one or more plasticisers.8. The filter tow according to claim 1 , further comprising a catalyst promoting oxidative ...

METHOD OF MANUFACTURING CHARGING ROLL, CHARGING ROLL, CHARGING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

A method of manufacturing a charging roll includes forming an adhesive layer, which has elasticity such that the adhesive layer is compressed up to 50% of the thickness and recovers up to 90% of the thickness after the compression is released, on an outer peripheral surface of a cylindrical base material and extruding a material of a conductive elastic layer along with the base material having the adhesive layer formed thereon by the use of an extrusion molding machine to form the conductive elastic layer on an outer peripheral surface of the adhesive layer. 1. A method of manufacturing a charging roll , comprising:forming an adhesive layer, which has elasticity such that the adhesive layer is compressed up to 50% of the thickness and recovers up to 90% or higher of the thickness after the compression is released, on an outer peripheral surface of a cylindrical base material; andextruding a material of a conductive elastic layer along with the base material having the adhesive layer formed thereon by the use of an extrusion molding machine to form the conductive elastic layer on an outer peripheral surface of the adhesive layer.2. The method of manufacturing a charging roll according to claim 1 , wherein the adhesive layer has elasticity such that the adhesive layer is compressed up to 50% of the thickness and recovers up to 96% or higher of the thickness after the compression is released.3. The method of manufacturing a charging roll according to claim 1 , wherein the adhesive layer includes an epoxy resin.4. The method of manufacturing a charging roll according to claim 1 , wherein the adhesive layer includes at least one selected from a urethane-modified epoxy resin and a rubber-modified epoxy resin.5. A charging roll manufactured using the method of manufacturing a charging roll according to .6. A charging unit comprising the charging roll according to .7. A process cartridge comprising:an image holding member; and{'claim-ref': {'@idref': 'CLM-00005', 'claim 5 ...

Device for Dry-Forming a Fibrous Web

A device for dry-forming a fibrous web, in which a plurality of fibers or fiber mixtures is supplied to a forming head by means of an air flow, is described. The forming head includes a forming outlet arranged above a gas-permeable deposit belt. The fibers deposited on the deposit belt within a forming zone are continuously conveyed out of the forming zone by the deposit belt. A clearance of the forming zone formed between the forming head and the deposit belt is shielded with respect to the surroundings by several sealing means. To obtain as uniform a composition of the fiber layer as possible when depositing the fibers, the sealing means arranged on a feed side forms an inlet opening having an adjustable inflow cross-section through which a defined secondary air flow flows from the surroundings into the clearance. 1. A device for the dry-forming of a fibrous web comprising:a. a forming head, to which a plurality of fibers or fiber mixtures can be fed via an air flow, and including a forming outlet for the generation of a fiber flow formed of fibers and air;b. an air permeable deposit belt for receiving and transporting the fibers, which acts together with a suction device for the generation of a suction flow,c. a forming zone having an empty space formed between the forming outlet of the forming head and the deposit belt wherein the empty space is shielded from the surrounding environment by a sealing means; and,d. a feed opening having an adjustable inflow cross-section in relation to the surrounding environment, formed at the sealing means and disposed at an entry end in relation to the deposit belt.2. The device according to claim 1 , wherein the sealing means includes a moveable sealing plate formed at the entry end and which defines the inflow cross-section of the feed opening with its respective setting in relation to the deposit belt.3. The device according to claim 2 , wherein the sealing plate is mounted on a pivotal axis that extends transversally to and ...

SYNTHETIC THATCH MEMBERS FOR USE AS ROOFING MATERIAL PRODUCTS AND METHODS OF MAKING AND USING THE SAME

A synthetic thatch member for use as a roofing material product, along with associated methods for manufacturing and installing the same are provided. The synthetic thatch member comprises: a plurality of frond members defining a first three-dimensional surface of the thatch member and a second three-dimensional surface of the thatch member, the first and second surfaces comprising opposing sides of the plurality of frond members; a fused portion comprising a first portion of each of the plurality of frond members, wherein each of the first portions is connected relative to one another, such that the fused portion defines a substantially impermeable surface; and a serrated portion comprising a second portion of each of the plurality of frond members, each of the second portions being separated relative to one another, such that a plurality of gaps are defined between each of the plurality of frond members. 1. A synthetic thatch member for use as a roofing material product , said synthetic thatch member comprising:a plurality of frond members, said frond members defining a first three-dimensional surface of said thatch member and a second three-dimensional surface of said thatch member, said first and second surfaces comprising opposing sides of said plurality of frond members;a fused portion, said fused portion comprising a first portion of each of said plurality of frond members, wherein each of said first portions is connected relative to one another, such that said fused portion defines a substantially impermeable surface; anda serrated portion, said serrated portion being located substantially adjacent said fused portion and comprising a second portion of each of said plurality of frond members, wherein each of said second portions is separated relative to one another, such that a plurality of gaps are defined between each of said second portions of each of said plurality of frond members.2. The synthetic thatch member of claim 1 , wherein each of the plurality ...

SPHERICAL PHOSPHOR, WAVELENGTH CONVERSION-TYPE PHOTOVOLTAIC CELL SEALING MATERIAL, PHOTOVOLTAIC CELL MODULE, AND PRODUCTION METHODS THEREOF

A spherical phosphor includes a fluorescent substance having a maximum excitation wavelength of 400 nm or longer; and a transparent material containing the fluorescent substance, in which, in an excitation spectrum, an excitation spectral intensity in a wavelength region of from 340 nm to 380 nm is 50% or higher of an excitation spectral intensity at a maximum excitation wavelength. A wavelength conversion-type photovoltaic cell sealing material includes a light-permeable resin composition layer that contains the spherical phosphor and a sealing resin. 1. A spherical phosphor comprising:a fluorescent substance having a maximum excitation wavelength of 400 nm or longer; anda transparent material comprising the fluorescent substance,wherein, in an excitation spectrum, an excitation spectral intensity in a wavelength region of from 340 nm to 380 nm is 50% or higher of an excitation spectral intensity at a maximum excitation wavelength.2. The spherical phosphor according to claim 1 , wherein the fluorescent substance comprises a rare earth metal complex.3. The spherical phosphor according to claim 1 , wherein the fluorescent substance comprises a europium complex.4. The spherical phosphor according to claim 1 , wherein the transparent material comprises a transparent resin.5. The spherical phosphor according to claim 1 , wherein the transparent material comprises a transparent vinyl resin.6. The spherical phosphor according to claim 1 , wherein the transparent material comprises a (meth)acrylic resin.7. The spherical phosphor according to claim 1 , wherein a refractive index of the transparent material is equal to or larger than 1.4 and is smaller than a refractive index of the fluorescent substance.8. The spherical phosphor according to claim 1 , which is an emulsion polymerization product or a suspension polymerization product of a vinyl monomer composition comprising the fluorescent substance and a vinyl monomer.9. The spherical phosphor according to claim 5 , which ...

Organic-inorganic hybrid nanofibres having a mesoporous inorganic phase, preparation thereof by electrospinning, membrane, electrode, and fuel cell

Organic-inorganic hybrid nanofibres comprising two phases: a first mineral phase comprising a structured mesoporous network with open porosity; and a second organic phase comprising an organic polymer, wherein said organic phase is basically not present inside the pores of the structured mesoporous network. A membrane and an electrode comprising said nanofibres. A fuel cell comprising said membrane and/or said electrode. A method of preparing said nanofibres by electrically assisted extrusion (electrospinning).

HIGH MOLECULAR WEIGHT POLYETHYLENE

The present invention pertains to a polyethylene polymer characterised by the following properties: A number average molecular weight Mn of at least 2.0*10g/mol, a weight average molecular weight of at least 2.0*10g/mol, a Mw/Mn ratio of above 6, and a strain hardening slope of below 0.10 N/mm at 135° C. It has been found that a polymer with these properties have be converted through solid state processing into films and fibers with good properties. A solid state processing process, films and fibers, and their use are also claimed. 1. A polyethylene polymer , wherein the polyethylene polymer has a number average molecular weight Mn of at least 2.0*10g/mol , a weight average molecular weight Mw of at least 2.0*10g/mol , a Mw/Mn ratio of above 6 , and a strain hardening slope of below 0.10 N/mm at 135° C.2. The polyethylene polymer according to claim 1 , wherein the polymer has a Mn in the range of 2.0-10*10gram/mole claim 1 , in combination with a Mw/Mn of at least 10.3. The polyethylene polymer according to claim 1 , wherein the polymer has a Mn in the range of 2.0-8*10gram/mole claim 1 , in combination with a Mw/Mn of at least 15.4. The polyethylene polymer according to claim 1 , wherein the polymer has an Mn of at least 800 claim 1 ,000 g/mol and a Mw/Mn ratio between 6 and 15.5. The polyethylene polymer according to claim 1 , wherein the Mw/Mn ratio of the polymer is more than 8.6. The polyethylene polymer according to claim 1 , wherein the weight average molecular weight Mw of the polymer is more than 2 claim 1 ,000 claim 1 ,000 g/mol.7. The polyethylene polymer according to claim 1 , wherein the polymer comprises a first fraction with a Mw of at least 7 million g/mol in combination with a second fraction with a Mw of at most 1 million gram/mol.8. The polyethylene polymer polymer according to claim 1 , wherein the polymer has an elastic shear modulus determined directly after melting at 160° C. of at most 1.4 MPa.9. A method for manufacturing a polyethylene ...

Method of Making Multilayer Product Having Honeycomb Core of Improved Strength

A process of making a multilayered product having an interior honeycomb layer or core. The interior layer is formed by extruding a generally corrugated web of material. The corrugated web is cut and folded to create the honeycomb core. Outer protective skins are applied to exterior surfaces of the interior layer to create a multilayered material which is then cut to size. 1. A process of making a multilayered product having a honeycomb layer comprising , in any desired order:moving a web of material in a first direction, said web of material having a cross-section of regions of varying thickness, the regions extending in the first direction;treating the web of material with a tool to produce a corrugated web of material having a generally corrugated profile with interrupted flattened peaks and flattened valleys joined by connecting portions of the web, said flattened peaks and flattened valleys extending in the direction of travel of the web;folding the corrugated web to create a honeycomb core; andapplying outer skins to the honeycomb core.2. The process of wherein at least some of said connecting portions of the corrugated web have a thickness greater than the thickness of other of the connecting portions of the corrugated web.3. The process of wherein at least some of said connecting portions of the corrugated web have a thickness greater than the thickness of some of the peaks of the corrugated web.4. The process of wherein at least some of said connecting portions of the corrugated web have a thickness greater than the thickness of some of the valleys of the corrugated web.5. The process of wherein the step of cutting the continuous corrugations of the corrugated web comprises contacting the corrugated web with two knives.6. The process of wherein the two knives move in opposite directions.7. The process of wherein each of the connecting portions of the web has a thickness greater than at least one of the thickness of the flattened peaks and flattened valleys.8 ...

METHODS OF RECYCLING WASTE RESIN PRODUCTS

A method of recycling a waste resin product having a coated film formed thereon, may include crushing the waste resin product into roughly crushed resin pieces; at least partially removing the coated film via a chemical process from the roughly crushed resin pieces; and further mechanically removing the coated film from the roughly crushed resin pieces by finely crushing the roughly crushed resin pieces. The process results in finely crushed resin pieces having their film coating substantially removed. 1. A method for recycling a waste resin product having a coated film formed thereon , comprising:roughly crushing the waste resin product into crushed resin pieces;immersing the crushed resin pieces into a coated film removing vessel containing a solvent, so that the coated film is at least partially removed from the crushed resin pieces by a chemical action of the solvent;transferring the crushed resin pieces to a crusher after removal of the coated film; andfinely crushing the crushed resin pieces by the crusher and promoting removal of the coated film by applying an external dynamic energy to the crushed resin pieces during crushing.2. The method according to claim 1 , further comprising washing the crushed resin pieces with water and thereafter dewatering the crushed resin pieces.3. The method according to claim 1 , wherein the external dynamic energy comprises impact forces.4. The method according to claim 3 , the external dynamic energy further comprises vibrations and frictional forces.5. A method of recycling a waste resin product having a coated film formed thereon claim 3 , comprising:roughly crushing the waste resin product into crushed resin pieces;chemically removing the coated film at least partially from the crushed resin pieces;finely crushing the crushed resin pieces after the chemical removal of the coated film; andmechanically removing the coated film from the crushed resin pieces simultaneously with finely crushing the crushed resin pieces, so that ...

THERAPEUTIC, FITNESS, AND SPORTS ENHANCEMENT DEVICE

A therapeutic, fitness, and sports enhancement device which includes a cylindrically shaped body having a predetermined density and predetermined diameter, the body including a plurality of projections of a predetermined shape. One or more of the predetermined density and the predetermined diameter in combination with the predetermined shape of the projections optimize mobilization of soft tissue structures of the human body. 1. A therapeutic , fitness , and sports enhancement device comprising:a cylindrically shaped body having a predetermined density and predetermined diameter, the body including a plurality of solid projections of a predetermined shape; andwherein one or more of the predetermined density and the predetermined diameter in combination with the predetermined shape of the projections optimize mobilization of soft tissue structures of the human body.2. The device of wherein one or more of the predetermined density and the predetermined diameter in combination with the predetermined shape of the projections optimize body core strength and optimize balance training.3. The device of claim I in which the one or more of the predetermined density and the predetermined diameter in combination with the predetermined shape of the projections effectively break up collagenous fibers of the soft tissue structures.4. The device of in which the one or more of the predetermined density and the predetermined diameter in combination with the predetermined shape of the projections enhance flexibility of the soft tissue structures.5. The device of in which the one or more of the predetermined density and the predetermined diameter in combination with the predetermined shape of the projections enhance distensibility of the soft tissue structures.6. The device of in which the predetermined shape of the projections includes a rounded shape claim 1 , a curved shape claim 1 , a triangle shape claim 1 , a square claim 1 , a notch shape claim 1 , a cylindrical shape with ...

AIR FILTER MEDIUM COMBINING TWO MECHANISMS OF ACTION

Air filter medium from a non-woven fabric, which is produced in a melt-spinning process and comprises a depth filter component and a surface filter component, the air filter medium being designed such as to have a long service life and the surface filter component allowing regeneration by way of a reverse pulse. 1. An air filter medium comprising a non-woven material , which is produced using a melting and spinning method and has a depth filter constituent and a surface filter constituent , wherein the air filter medium is configured such that it has long-lasting functionality owing to the depth filter constituent and can be substantially regenerated with a reverse pulse owing to the surface filter constituent.2. The air filter medium according to claim 1 , wherein the depth filter constituent and/or the surface filter constituent comprises an open-pored fibre material.3. The air filter medium according to claim 1 , wherein the thickness of the surface filter constituent is smaller than the thickness of the depth filter constituent.4. The air filter medium according to claim 1 , wherein the surface filter constituent is substantially 0.1 mm to 1 mm thick and the depth filter constituent is substantially 1 mm to 8 mm thick.5. The air filter medium according to claim 1 , wherein the depth filter constituent comprises a deep-drawn non-woven material.6. The air filter medium according to claim 1 , wherein the depth filter constituent is arranged on the surface filter constituent claim 1 , which forms a continuous layer.7. The air filter medium according to claim 1 , wherein the depth filter constituent is only arranged on one side of the surface filter constituent.8. The air filter medium according to claim 1 , which has a three-dimensional macrostructure claim 1 , which preferably comprises four- or six-sided pyramids claim 1 , cones claim 1 , curved parts claim 1 , corrugations or scores.9. The air filter medium according to claim 8 , wherein the macrostructure ...

POLYESTER FILM, METHOD FOR PRODUCING THE SAME, BACK SHEET FOR SOLAR CELL, AND SOLAR CELL MODULE

A method for producing a polyester film includes: an unstretched film formation step of forming an unstretched polyester film having a thickness of from 2.5 mm to 5.0 mm by melt-extruding a polyester resin using an extruder, and cooling the polyester resin; and a stretching step of stretching the formed unstretched polyester film in at least one direction after heating the formed unstretched polyester film so as to have a mean temperature T1 (° C.), a surface temperature, and a central temperature. The mean temperature T1 (° C.) satisfies a relationship represented by formula (1): Tg−20° C. Подробнее

METHOD AND APPARATUS FOR CONTROLLED SHRINKING OF PLASTIC SHEET MATERIAL

Apparatus for controlled shrinking of molten plastic sheet material comprises a series of parallel cylindrical rollers for moving the plastic sheet material from a first position to a second position. At least one heater is aligned with the rollers for maintaining the plastic sheet material in a molten state while the rollers move the plastic sheet material, and a drive mechanism rotates the rollers so that the tangential speed of the rollers progressively decreases from the first position toward the second position. As a result of the progressive decrease in tangential speed of the rollers, the speed of the plastic sheet material is progressively reduced as the plastic sheet material approaches the second position, so that portions of the plastic sheet material closer to the second position move toward the second position more slowly than portions of the plastic sheet material further from the second position. 1. Apparatus for controlled shrinking of molten plastic sheet material , comprising:a support structure having a receiving position for receiving the plastic sheet material and a discharge position for discharging the plastic sheet material;a series of parallel cylindrical rollers rotatably carried by the support structure and extending between the receiving position and the discharge position for moving the plastic sheet material from the receiving position to the discharge position;each roller having an axis of rotation;the rollers positioned relative to one another so as to define a notional travel surface for the plastic sheet material that is substantially tangential to each of the rollers;the rollers spaced from one another to define gaps between each pair of adjacent rollers;the gaps being sufficiently small to inhibit the plastic sheet material from flowing through the gaps below the axes of rotation of the respective rollers during rotation of the rollers at operating speed;at least one heater aligned with the series of rollers for maintaining the ...

Automotive Fuel Lines Including A Polyarylene Sulfide

A fuel line comprising a thermoplastic composition is described. The thermoplastic compositions exhibit high strength and flexibility and can be used to form one or more layers of single layer or multi-layer fuel lines. Methods for forming the thermoplastic compositions are also described. Formation methods include dynamic vulcanization of a composition that includes an impact modifier dispersed throughout a polyarylene sulfide. A crosslinking agent is combined with the other components of the composition following dispersal of the impact modifier. The crosslinking agent reacts with the impact modifier to form crosslinks within and among the polymer chains of the impact modifier. The compositions can exhibit excellent physical characteristics at extreme temperatures. 1. A fuel line comprising a thermoplastic composition , the thermoplastic composition including a polyarylene sulfide and a crosslinked impact modifier , the fuel line being a tubular member and including a hollow passage therethrough in the axial direction of the tubular member for passage of a fluid.2. The fuel line of claim 1 , wherein the thermoplastic composition has one or more of the following characteristics:{'sup': '2', 'a notched Charpy impact strength of greater than about 3 kJ/mas determined according to ISO Test No. 197-1 at 23° C.;'}a tensile modulus of less than about 3000 MPa as determined according to ISO Test No. 527 at a temperature of 23° C. and a test speed of 5 mm/min;an elongation at yield of greater than about 4.5% as determined according to ISO Test No. 527 at a temperature of 23° C. and a test speed of 5 mm/min;{'sup': '2', 'a notched Charpy impact strength of greater than about 8 kJ/mas measured according to ISO Test No. 179-1 at a temperature of −30° C.;'}a flexural modulus of less than about 2500 MPa as measured according to ISO Test No. 178 at a temperature of 23° C. and a test speed of 2 mm/min;a deflection temperature under load of greater than about 80° C. as determined ...

METHODS OF PRODUCING THE MEMBRANES AND THE USES OF MEMBRANES AS BATTERY SEPARATOR FILMS

A process of producing a membrane includes extruding diluent and polymer to form an extrudate, the polymer includes a first polyethylene having an Mw<1.0×10, a second polyethylene having an Mw≧1.0×10, and a polypropylene having an Mw≧5.0×10and a ΔHm≧80.0 J/g; wherein the sum of the polypropylene having an Mw≧5.0×10and a ΔHm≧80.0 J/g and the second polyethylene is ≧15.0 wt. % and processing the extrudate into a membrane having a thickness ≦12.0 μm by stretching the extrudate in at least one planar direction at about 108.0 to 116.0° C. after removing the solvent to a magnification factor of ≦1.1 and excludes any stretching of the extrudate after removing the solvent at a magnification factor or >1.1 and removing at least a portion of the diluent from the extrudate. 1. A process of producing a microporous membrane comprising:{'sup': 6', '6', '5', '5, '(1) extruding a mixture of diluent and polymer to form an extrudate, the polymer comprising a first polyethylene having an Mw<1.0×10, a second polyethylene having an Mw≧1.0×10, and a polypropylene having an Mw≧5.0×10and a ΔHm≧80.0 J/g; wherein the sum of the amounts of the polypropylene having an Mw≧5.0×10and a ΔHm≧80.0 J/g and the second polyethylene is ≧15.0 wt. %, all the weight percents being based on the total weight of the polymer in the mixture; and'}(2) processing the extrudate into a microporous membrane having a thickness ≦12.0 μm by stretching the extrudate in at least one planar direction at a temperature of about 108.0 to 116.0° C. after removing the solvent to a magnification factor of ≦1.1 and excludes any stretching of the extrudate after said step of removing the solvent at a magnification factor of >1.1 and removing at least a portion of the diluent from the extrudate.2. The method of claim 1 , further comprising cooling the extrudate.3. The method of claim 1 , further comprising subjecting the membrane to a thermal treatment.4. The method of claim 1 , wherein the stretching is conducted biaxially to a ...

Apparatus for Deformation of Solid Sections

An equal channel angular extrusion tool comprising a punch assembly, a die set assembly, a base assembly, and a bottom slider assembly. The punch assembly comprises a punch, a punch nose, and a punch trolley. The die set assembly comprises an inlet channel and a removable core. The base assembly comprises a lifting mechanism which further comprises a die lift cylinder and a hold down ram. The bottom slider assembly comprises an ejection ram. The tool also includes a billet. The billet may be disposed in the bottom slider assembly. Severe plastic deformation is applied to the billet in the bottom slider assembly.

Process For Recycling Waste Film and Product Made Therefrom

The present disclosure is directed to a process for recycling film materials, and is particularly directed to collecting spent release liners for labels and constructing new release liner stock from the spent materials. In order to use the waste film, the film is subjected to a process for increasing the intrinsic viscosity. In addition, a coloring agent may be incorporated into the film in order to mask yellowing. In one embodiment, a multilayered composite film is formed.

Method and Apparatus for Producing Carbon Fiber

A carbon fiber centrifugal head includes an interior mechanism that at least partially controls flow of precursor material to exterior holes of the head during spinning. 1. A centrifugal spinning head for producing fibers comprising:an outer housing that forms an interior volume, the outer housing having an outer shell with a plurality of exterior apertures;an inner screen positioned inside said interior volume and spaced from the outer shell to form a gap therebetween, the inner screen including a plurality of interior apertures; andwherein a fiber precursor material is received in said interior volume, and upon spinning the head, flows through the interior apertures, into the gap and thereafter through the exterior apertures.2. The centrifugal spinning head of further comprising a heating element positioned within the interior volume.3. The centrifugal spinning head of wherein the outer shell is generally cylindrical.4. The centrifugal spinning head of wherein the inner screen extends the around the entire circumference of the interior volume.5. The centrifugal spinning head of wherein the ratio of the total area of the plurality of interior apertures divided by the total area of the plurality of exterior apertures is from about 0.1 to about 100.6. The centrifugal spinning head of wherein the ratio of the total area of the plurality of interior apertures divided by the total area of the plurality of exterior apertures is from between about 0.5 to about 10.7. The centrifugal spinning head of wherein the plurality of exterior apertures have a diameter of from about 0.5 to about 5 millimeters.8. The centrifugal spinning head of wherein the plurality of exterior apertures have a diameter of from about 1 to about 2 millimeters.9. The centrifugal spinning head of wherein the plurality of interior apertures have a diameter of from about 0.5 to about 5 millimeters.10. The centrifugal spinning head of wherein the plurality of interior apertures have a diameter of from ...

INORGANIC HOLLOW YARNS AND METHOD OF MANUFACTURING THE SAME

Disclosed herein is a method of manufacturing inorganic hollow yarns, such as cermets, oxide-non oxide composites, poorly sinterable non-oxides, and the like, at low costs. The method includes preparing a composition comprising a self-propagating high temperature reactant, a polymer and a dispersant, wet-spinning the composition through a spinneret to form wet-spun yarns, washing and drying the wet-spun yarns to form polymer-self propagating high temperature reactant hollow yarns, and heat-treating the polymer-self propagating high temperature reactant hollow yarns to remove a polymeric component from the polymer-self propagating high temperature reactant hollow yarns while inducing self-propagating high temperature reaction of the self-propagating high temperature reactant to form inorganic hollow yarns. The composition comprises 45˜60 wt % of the self-propagating high temperature reactant, 6˜17 wt % of the polymer, 0.1˜4 wt % of the dispersant, and the balance of an organic solvent. 15-. (canceled)6. A method of manufacturing inorganic hollow yarns , comprising:providing a composition comprising a self-propagating high temperature reactant, a polymer, and a dispersant;wet-spinning the composition through a spinneret to form wet-spun yams;washing and drying the wet-spun yarns to form polymer-self propagating high temperature reactant hollow yams; andheat-treating the polymer-self propagating high temperature reactant hollow yarns to remove a polymeric component from the polymer-self propagating high temperature reactant hollow yarns while inducing self-propagating high temperature reaction of the self-propagating high temperature reactant to form inorganic hollow yarns.720. The method of claim 6 , wherein the heat treatment of the polymer self-propagating high temperature reactant hollow yams is performed at an initial temperature reaching 1000-1800 C. for an initial reaction of the polymer-self propagating high temperature reactant hollow yams.8. The method of ...

Honeycomb Extrusion Apparatus and Methods

A honeycomb extrusion apparatus includes first and second vanes with respective first and second face portions. First and second axial widths of a circumferential feed area are respectively defined between the first and second face portions and the outer feed surface of the die body. In further examples, methods include the steps of selectively adjusting the first axial width and the second axial width of the circumferential feed area by respectively adjusting the first and second vane relative to the mask. In further examples, a honeycomb extrusion apparatus includes a plurality of mask segments that each includes an inner peripheral surface portion. Each of the plurality of mask segments are independently adjustable along a respective radial axis. 1. A honeycomb extrusion apparatus comprising:a die body including an array of pins that are spaced apart to define an extrusion face with a honeycomb network of discharge slots extending along an extrusion axis of the die body, the die body further including an outer peripheral surface facing away from the extrusion axis and circumscribing the extrusion face, and an outer feed surface circumscribing the outer peripheral surface;a mask including an inner peripheral surface at least partially circumscribing the outer peripheral surface of the die body, wherein a peripheral gap is defined between the inner peripheral surface and the outer peripheral surface;a circumferential feed area in fluid communication with the peripheral gap and partially defined by the outer feed surface of the die body;a first vane including a first face portion, wherein a first axial width of the circumferential feed area is defined between the first face portion and the outer feed surface of the die body, wherein the first vane is adjustably mounted with respect to the mask to selectively adjust the first axial width; anda second vane including a second face portion spaced radially inward with respect to the first face portion in a radial ...

DIVIDED CONDUIT EXTRUSION DIE AND METHOD WITH JOINING FEATURES

An apparatus and method are provided for making a conduit divided into channels by one or more strip-shaped substrates. The channels may be used for cables, such as fiber optic cables, coaxial cables, electrical cables, electrical wiring, and the like. Each divided conduit provides channels that allow e.g., cables to be pulled through without snagging or excessive heat build-up due to friction. In addition, the divided conduits do not allow contact or alternation losses between adjacent cables in other channels of the conduit. 1. An apparatus for forming a conduit having at least one strip-shaped substrate dividing the conduit into channels , the apparatus comprising: a first point for introduction into the extrusion die of the polymeric material forming the conduit;', 'an exit for polymeric material to leave the extrusion die; and', 'a slot configured for receipt of a strip-shaped substrate, the slot extending in the flow direction along the extrusion die;, 'an extrusion die defining a flow direction for a polymeric material forming the conduit, the extrusion die comprising'}wherein the extrusion die is configured to extrude the polymeric material into at least two opposing portions, each of the two opposing portions having a pair of distal edges, and wherein along the flow direction the slot has an upstream section that is positioned outside of the distal edges and a downstream section that is positioned between the two opposing portions and adjacent to the distal edges.2. The apparatus for forming a conduit as in claim 1 , wherein at least two of the distal edges of the two opposing portions of polymeric material each comprise a joining element configured to attach the two opposing portions to form the conduit.3. The apparatus for forming a conduit as in claim 2 , wherein each joining element comprises a pair of fingers.4. The apparatus for forming a conduit as in claim 2 , wherein each joining element comprises a pair of diverging fingers extending towards the ...

COOLING DEVICE AND COOLING METHOD FOR AN EXTRUDATE

A device for sizing and cooling an extruded flat product made of plastic material includes at least two main rolls and a polishing stack including a plurality of rolls arranged in tandem and disposed downstream of the main rolls. An adjustable sizing nip is disposed between all of the adjacent respective rolls. The sizing nip is adjustable so as to pinch the flat product during an extrusion process to a greater or a lesser extent. 18-. (canceled)9. A device for sizing and cooling an extruded flat product made of plastic material , the device comprising:at least two main rolls;a polishing stack including a plurality of rolls arranged in tandem and disposed downstream of the main rolls,wherein an adjustable sizing nip is disposed between all of the adjacent respective rolls, the sizing nip being adjustable so as to pinch the flat product during an extrusion process to a greater or a lesser extent.10. The device recited in claim 9 , wherein respective sizing nips are adjustable to different sizes.11. The device recited in claim 9 , wherein the rolls are adjustable such that no sizing nip is present and such that the flat product is not pinched by the rolls.12. The device recited in claim 11 , wherein the rolls are drivable individually or together.13. The device recited in claim 11 , wherein the rolls are tempered.14. The device recited in claim 9 , wherein the main rolls and the downstream rolls have respective diameters such that a contact area between the flat product and the rolls is substantially the same on both sides of the flat product.15. The device recited in claim 9 , further comprising a plurality of temperature measuring points configured to monitor a temperature of the flat product claim 9 , and wherein the sizing nip is adjustable according to the temperature.16. A method for sizing and cooling an extruded flat product made of plastic material claim 9 , the method comprising:influencing the flat product using at least two main rolls and a polishing stack ...

CUTTING APPARATUS FOR A GRANULATOR FOR CUTTING GRANULES FROM PLASTICS-MATERIAL STRANDS EMERGING FROM NOZZLES, HAVING A KNIFE ROTOR

The invention relates to a cutting apparatus for a granulator for cutting plastics-material strands emerging from nozzles into granules. The cutting apparatus includes a knife rotor which is connected to a drive shaft via an articulation component having a drive part and via a driven part carrying the knife rotor. The drive part is inserted into a spherical head in a matching spherical cap in the drive part. The spherical head passes through by at least one direction axle, about which the spherical head is rotatable in the spherical cap in case of an axial offset of the drive part and the driven part. In this case, an end of the directional axle that emerges from the spherical head is mounted in a groove in the spherical cap and extends transversely to the direction of rotation of the spherical cap such that, in the case of an offset of the drive part with respect to the driven part, the end moves in the groove. 1. A cutting apparatus for a granulator for cutting plastic material strands emerging from nozzles in a nozzle plate , comprising a knife rotor which is connected to a drive shaft via a joint piece having a drive part and a driven part carrying the knife rotor , wherein the drive part is inserted in a head in a matching cap in the driven part and at least one direction axle extends through the head about which the cap is configured to be rotated in case of an axial offset of the drive part with respect to the driven part , with an end of the direction axle that emerges from the head being in a groove provided in the cap and extending transversely to the direction of rotation of the cap such that , when the drive part is offset with respect to the driven part , the end will move within the groove.2. The cutting apparatus of claim 1 , wherein said end the direction axle projects into a sliding block and is configured to be rotated therein claim 1 , wherein the sliding block is configured to be moved in the groove and provided in the cap.3. The cutting ...

MULTILAYER COMPONENT AND METHOD FOR PRODUCING THE SAME

The present invention relates to a method of producing a multilayer component comprising the following steps: providing a mat-like multilayer structure which comprises at least two outer layers and a core layer, the core layer being arranged between the two outer layers, the core layer comprising a fibre tangle, which contains a binder material and a reinforcing fibre material, a melting point of the binder material being lower than a melting point of the reinforcing fibre material, placing the multilayer structure in a press, heating the multilayer structure in the press with exposure to pressure, such that the binder material melts, while the reinforcing fibre material retains its fibre structure, resulting in formation of a semi-finished product, lofting the semi-finished product, processing the semi-finished product to yield the multilayer component and cooling the component. 1. A method of producing a multilayer component , in particular a trim or housing component for a motor vehicle , comprising the following steps:providing a mat-like multilayer structure, which comprises at least two outer layers and a core layer, the core layer being arranged between the two outer layers,the core layer comprising a fibre tangle, which contains a binder material and a reinforcing fibre material, a melting point of the binder material being lower than a melting point of the reinforcing fibre material,placing the multilayer structure in a press,heating the multilayer structure in the press with exposure to pressure, such that the binder material melts, while the reinforcing fibre material retains its fibre structure, resulting in formation of a semi-finished product,lofting the semi-finished product,processing, in particular shaping, the semi-finished product to yield the multilayer component,and cooling the component, characterised in that the step of providing the multilayer structure comprises selecting said structure such that the core layer comprises at least two ...

SYSTEMS, DEVICES AND METHODS FOR THE FABRICATION OF POLYMERIC FIBERS

Exemplary embodiments provide systems, devices and methods for the fabrication of three-dimensional polymeric fibers having micron, submicron, and nanometer dimensions, as well as methods of use of the polymeric fibers. 1. A device for the formation of a micron , submicron or nanometer dimension polymeric fiber , the device comprising:a reservoir for holding a polymer, the reservoir including one or more orifices for ejecting the polymer during fiber formation, thereby forming a micron, submicron or nanometer dimension polymeric fiber; anda collection device for accepting the formed micron, submicron or nanometer dimension polymeric fiber;wherein at least one of the reservoir and the collection device employs linear and/or rotational motion during fiber formation.2. The device of claim 1 , further comprising:a linear motion generator for imparting the linear motion to the at least one of the reservoir and the collection device.3. The device of claim 2 , wherein the linear motion generator also imparts a rotational motion to the at least one of the reservoir and the collection device.4. (canceled)5. (canceled)6. The device of claim 1 , wherein both of the reservoir and the collection device oscillates in a linear manner during fiber formation.7. A device for the formation of a micron claim 1 , submicron or nanometer dimension polymeric fiber claim 1 , the device comprising:a reservoir for holding a polymer, the reservoir including one or more orifices for ejecting the polymer during fiber formation, thereby forming micron, submicron or nanometer dimension polymeric fibers; andan air vessel for circulating a vortex of air around the formed fibers to wind the fibers into one or more threads.8. The device of claim 7 , further comprising:a collection device for accepting the formed micron, submicron or nanometer dimension polymeric fibers.9. The device of claim 8 , wherein the collection device is rotating or stationary.10. (canceled)11. The device of claim 7 , wherein ...

Process for preparing flowable amorphous poly-alpha olefin adhesive pellets

The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets.

FLUOROPOLYMER-BASED FILM FOR PHOTOVOLTAIC APPLICATION

The present invention relates to a composition comprising a fluoropolymer and two white inorganic fillers, the said composition being intended for the manufacture of thin monolayer films which are opaque to visible light and to UV rays and which can be used in particular in the field of photovoltaic cells. This composition consists of at least one fluoropolymer and of two white inorganic fillers, which are zinc oxide and titanium oxide; they are present in a proportion by weight ranging from 5 to 30% and from 3 to 7.5% respectively, The said composition additionally comprises less than 5% by weight of acrylic polymer, with respect to the total weight of the composition. 1. A composition comprising at least one fluoropolymer and of two white inorganic fillers , wherein said fillers are zinc oxide and titanium oxide , in that they are present in a proportion by weight ranging from 5 to 30% and from 3 to 7.5% respectively , and wherein said composition additionally comprises at least one acrylic polymer at up to 5% by weight , with respect to the total weight of the composition.2. The composition according to claim 1 , wherein said at least one fluoropolymer is selected from the group consisting of vinylidene fluoride homopolymers and copolymers of vinylidene fluoride with at least one other fluoromonomer.3. The composition according to claim 1 , wherein there are two distinct fluoropolymers claim 1 , at least one of which is a vinylidene fluoride homopolymer.4. The composition according to claim 1 , wherein the content by weight of zinc oxide ranges from 10 to 20% by weight.5. The composition according to claim 1 , wherein the content by weight of titanium oxide ranges from 3 to 6% by weight.6. The composition according to claim 1 , wherein the said acrylic polymer is a methyl methacrylate homopolymer or a copolymer comprising at least 50% by weight of methyl methacrylate with least one other monomer which can copolymerize with methyl methacrylate selected from the ...

Carbon nanotube (cnt) extrusion methods and cnt wire and composites

A method of manufacturing a carbon nanotube (CNT) extrusion. The method includes providing a carbon source, and extruding the CNT extrusion through an extrusion die. The extruded CNT extrusions can be spun into fibers, strands or the like in order to produce a final product. The carbon source can be mixed with a liquid prior to being extruded.

MOBILE PLASTICS EXTRUSION PLANT

A mobile plastics extrusion plant for manufacturing an extruded plastics product in a remote location. The mobile plant comprises the following components: a transportable container for storing raw plastics material prior to extrusion, and a transportable extruded product forming assembly (in the form of a die and former assembly ) for forming an extruded plastics product from the raw plastics material. The mobile extrusion plant further comprises a transportable delivery system for delivering the raw plastics material from the transportable container to the die and former assembly whereby, in use, the entire plant can be transported to a remote location and operated to manufacture an extruded plastics product. 1. A mobile plastics extrusion plant for manufacturing an extruded plastics product in a remote location , the mobile plant comprising the following transportable components:a transportable container for storing raw plastics material prior to extrusion;a transportable extruded product forming assembly for forming an extruded plastics product from the raw plastics material; and,a transportable delivery system for delivering the raw plastics material from the transportable container to the die and former assembly whereby, in use, the entire plant can be transported to a remote location and operated to manufacture an extruded plastics product.2. A mobile plastics extrusion plant as defined in claim 1 , wherein each transportable component of the mobile plant is housed in a conventional shipping container.3. A mobile plastics extrusion plant as defined in or claim 1 , wherein the transportable components are mounted on a plurality of semitrailers for transporting the mobile plant by road.4. A mobile plastics extrusion plant as defined in claim 1 , wherein the extruded product forming assembly comprises a die and former assembly.5. A mobile plastics extrusion plant as defined in claim 1 , wherein the transportable delivery system comprises a screw conveyor for ...

PROCESS FOR MANUFACTURING A THERMOFORMABLE PLASTICIZED COMPOSITE CONTAINING CELLULOSE FIBER AND A MOLDABLE POLYMER

The present invention concerns a process for manufacturing a thermoformable plasticized composite containing cellulose fiber and polylactide by blending the dry cellulose fiber and a compatibilizer in a compactor into pellets, and subsequently reacting the reactive compatibilizer and the mixture of cellulose fiber and polylactide by compounding. The invention also concerns a composite manufactured using said process, as well as further processed products. 1. A process for manufacturing a thermoformable plasticized composite from cellulose fiber and a moldable polymer comprising:blending dry cellulose fibers, the moldable polymer and one or more compatibilizers into a compressed biomaterial, and subsequentlyreacting the compatibilizer(s) and the mixture of cellulose fiber and polylactide by compounding into the composite.2. The process according to claim 1 , wherein the cellulose fiber is obtained from any wood material from softwood trees claim 1 , or any wood material from hardwood trees or from non-wood materials claim 1 , or grasses claim 1 , straw claim 1 , leaves claim 1 , bark claim 1 , seeds claim 1 , hulls claim 1 , flowers claim 1 , vegetables or fruits from materials.3. The process according to claim 1 , wherein the moldable polymer is selected from polylactide claim 1 , polyethylene claim 1 , polypropylene claim 1 , polyhydroxyalkanoates claim 1 , thermoplastic polyesters and polyamides.4. The process according to claim 1 , wherein the at least one compatibilizer is selected from long-chained (≧C8) aliphatic linear or branched organic compounds containing epoxy or anhydride functionalities claim 1 , or alternatively from such compounds containing silicate or hydroxyl functionalities.5. The process according to claim 1 , wherein the raw-materials and the compatibilizers are pressed through the openings of a dry compactor 1-20 times.6. The process according to claim 1 , wherein the raw materials and the compatibilizers are pressed through the openings of ...

SYSTEM FOR FEEDING MOLTEN RESIN AND METHOD OF FEEDING MOLTEN RESIN

To efficiently feed a molten resin to the resin holders. An intermittently feeding device works to intermittently feed a transfer unit equipped with resin holders, and has a cam supported by a motor via a support. The cam is rotated by the motor. A cam follower of a moving block meshes with the screw of the cam, and the moving block moves along a support rail accompanying the turn of the cam. The motor rotates at a constant speed, and the transfer unit is fed intermittently depending on the shapes of the cam and of the cam follower. 1. A system for feeding a molten resin , comprising:an extruder for extruding the molten resin through an extrusion port;resin holders for receiving the molten resin from said extrusion port;transfer units equipped with a plurality of said resin holders; andcompression forming apparatuses having a plurality of metal molds; whereinprovision is made of intermittently feeding devices which vary the moving speed of said transfer units at a moment when said resin holder receives the molten resin; andsaid intermittently feeding devices feed said transfer units at a feed speed which is zero or is slowed down at a position where said resin holder receives the molten resin so that the molten resin is continually and successively fed into said resin holders from said extrusion port.2. The system for feeding the molten resin according to claim 1 , wherein provision is made of the compression forming apparatuses and the pair of the transfer units on both sides of said extrusion port claim 1 , said extrusion port being positioned therebetween; andthe transfer units are provided with a lift, and are alternately transferred to a position to receive said molten resin in a manner that one transfer unit travels under the other transfer unit enabling the molten resin to be continually fed to the resin holders.3. The system for feeding the molten resin according to claim 1 , wherein the metal molds are disposed in a plurality of rows in said compression ...

APPARATUS FOR PRODUCING FLAT-WEB PRODUCTS, AND METHOD FOR SETTING IT UP

An apparatus for producing flat-web products includes a slot die of which the gap and/or restrictor bar can be set via screws. At least one screwing device is provided for setting the screws, the screwing device including a cross member on which the screwing device can be moved to an fro. The cross member is fixably connected to the slot die on one side of the slot die. The apparatus has at least one bearing arrangement on the other side of the slot die. The at least one bearing arrangement permits a relative movement between the slot die and the cross member. 2. Apparatus according to claim 1 , characterized in that the bearing arrangement has at least one supporting device which is preferably assigned to the slot die.3. Apparatus according to claim 2 , characterized in that the supporting device is configured as a bearing journal claim 2 , on which the crossmember is mounted movably.4. Apparatus according to claim 2 , characterized in that the supporting device is connected releasably to the slot die.5. Apparatus according to claim 2 , characterized in that the supporting device has a first holding device which is preferably arranged at a spacing from the slot die.6. Apparatus according to claim 5 , characterized in that the first holding device interacts with a second holding device which is fixed on the slot die.7. Apparatus according to claim 6 , characterized in that the first holding device can be adjusted with respect to the second holding apparatus.8. Apparatus according to claim 1 , characterized in that the screwing device is arranged on a carriage which can be moved along a linear guide of the crossmember.9. Apparatus according to claim 8 , characterized in that the carriage can be driven via a toothed belt claim 8 , the drive of the toothed belt preferably being fixed in a stationary manner on the crossmember.10. Apparatus according to claim 8 , characterized in that the carriage has a second linear guide claim 8 , by way of which the screwing device is ...

System and Method for Mandrel-Less Electrospinning

A system for electrospinning a fiber matrix on a tubular member includes at least one nozzle, a tubular member in a spaced relationship to the at least one nozzle, and a fluid source for pressurizing a lumen of the tubular member. An electrical potential is applied between the at least one nozzle and either the tubular member or fluid from the fluid source. The electrical potential draws at least one fiber from the at least one nozzle to the tubular member. 196-. (canceled)97. A system for electrospinning a fiber matrix on a tubular member , the system comprising:at least one nozzle;a tubular member in a spaced relationship to the at least one nozzle; anda fluid source for pressurizing a lumen of the tubular member, wherein an electrical potential is applied between the at least one nozzle and one or more of the tubular member and the fluid from the fluid source, the electrical potential drawing at least one fiber from the at least one nozzle to the tubular member.98. The system of wherein fluid from the fluid source when used to pressurize the lumen of the tubular member forms a fluid mandrel within the tubular member.99. The system of wherein the fluid source pressurizes the lumen of the tubular member with a varying pressure.100. The system of further comprising a first plug inserted at a first end of the tubular member and a second plug inserted at a second end of the tubular member.101. The system of wherein at least one of the first or second plugs rotate.102. The system of wherein at least one of the first or second plugs include a flow valve.103. The system of wherein the first and second plugs are sealed to the tubular member using at least one of an adhesive claim 100 , a circumferential clamp claim 100 , an inflatable toroidal balloon claim 100 , or a suture.104. The system of wherein the fluid mandrel comprises a stagnant fluid.105. The system of wherein the fluid mandrel comprises a flowing fluid.106. The system of wherein the fluid forming the fluid ...

SHAPING THE CROSS-SECTION OF AN EXTRUDED STRIP

Method for laying a band of elastomer of given width and given mean thickness on a receiving surface, comprising a step during the course of which a leader of elastomer band of given length, the neutral fibre of the cross section of which has a non-zero curvature, is extruded through a die, the said leader being supported only by its end positioned on the die side, characterized in that the band is orientated in such a way that the concave side of the said neutral fibre faces away from the orientation of the gravitational field, so as to prevent the leader from collapsing under the effect of gravity. 1. A method for laying a band of elastomer of given width (l)—and given mean thickness (e) on a receiving surface , comprising extruding through a die a leader of elastomer band of given length (s) , the neutral fibre of the cross section of which has a non-zero curvature while said leader is supported only by an end positioned on the die side ,wherein the band is orientated in such a way that said neutral fibre has a concave side that faces away from the orientation of the gravitational field, thereby preventing the leader from collapsing under the effect of gravity.2. The method according to claim 1 , wherein the neutral fibre has a radius of curvature R that is greater than fifteen times the width of the band.3. The method according to claim 1 , wherein the width (l) to the thickness (e) are such that the ratio of l to e is between 3 and 30.4. The method according to claim 3 , wherein the ratio of the width (l) to the thickness (e) is between 5 and 20.5. The method according to claim 1 , wherein claim 1 , for a band of given mean thickness (e) claim 1 , the length (s) of the leader is inversely proportional to the value of a radius of curvature (R) of the neutral fibre.6. The method according to claim 1 , further comprising bringing the extrusion means sufficiently close above the receiving surface so that a face of said leader which is positioned on the convex side ...

DEVICE AND METHOD FOR EXTRUSION OF A SOLID BODY

The extrusion device of a solid film comprises a cell provided with an input opening of a material designed to form the solid film, and an output opening of the solid film from the cell. The device comprises a first heat exchanger for applying a first temperature to the output opening and a second heat exchanger for applying a second temperature in a first zone of the cell distinct from the output opening and a control circuit imposing first and second sets of first and second temperatures. The first set enables a volume of the material in solid phase to be formed. The second set enables a temperature gradient to be generated in the volume so as to generate a pressure forcing extrusion of the solid film via the output opening. 1. An extrusion device of a solid film comprising:a cell provided with an input opening to the cell for input of a material designed to form the solid film, and an output opening of the solid film from the cell;a first heat exchanger configured to apply a first temperature to the output opening of the cell;a second heat exchanger configured to apply a second temperature in a first zone of the cell distinct from the output opening; a first set of first and second temperatures to form a volume of the material in solid phase inside the cell, said volume sealing off the output opening;', 'a second set of first and second temperatures to generate a temperature gradient between the output opening and the first zone so as to generate a pressure in the cell forcing extrusion of the solid film via the output opening., 'a control circuit configured for controlling the first and second heat exchangers so as to impose2. The extrusion device according to claim 1 , wherein the output opening is situated below the input opening.3. The extrusion device according to claim 1 , wherein the control circuit imposes a third set of first and second temperatures so as to completely fill the inner volume of the cell with said material in solid phase.4. The extrusion ...

Window Trim Apparatus and Methods

Window trim apparatus are provided that include scored grooves made by methods other than extrusion. Also provided are methods and apparatus for manufacturing and using same. 1. A method of producing a polymeric trim product having a dimension reducible by tearing , comprising:a) extruding a polymeric material through an extrusion die in the shape of the trim to be produced, said polymeric material extruded at a first temperature sufficient to make the polymeric material malleable;b) cooling the extruded polymeric trim product, said trim product having a first surface and a second surface, to a second temperature thereby causing the polymeric trim product to measurably harden; andc) cutting the polymeric trim product following said cooling step on said first surface with at least one blade to produce a longitudinally extending groove in the trim product; wherein, when said polymeric trim product is cooled to room temperature, at least one dimension of the resulting polymeric trim product is reducible by tearing the trim strip along said groove without using a blade to cut through or score said groove.2. The method of wherein said cutting step comprises producing a longitudinally extending groove which is substantially straight and substantially parallel to an edge of the trim product.3. The method of wherein said cutting step comprises using at least two blades to produce at least two longitudinally extending grooves.4. The method of wherein said cutting step produces at least two longitudinally extending grooves which are substantially straight and substantially parallel to each other.5. The method of claim 4 , wherein said cutting step produces at least two longitudinally extending grooves having different depths.6. The method of claim 3 , wherein said cutting step produces at least two longitudinally extending grooves that are substantially parallel to an edge of the polymeric trim strip.7. The method of wherein said cutting step produces at least two ...

INSULATION SYSTEMS EMPLOYING EXPANSION FEATURES TO INSULATE ELONGATED CONTAINERS SUBJECT TO EXTREME TEMPERATURE FLUCTUATIONS, AND RELATED COMPONENTS AND METHODS

Insulation systems employing expansion features to insulate elongated containers subject to extreme temperature fluctuations, and related components and methods are disclosed. Elongated containers, such as pipes, tanks, vessels may have contents that need to be insulated to prevent heat exchange with the outside environment. Insulation systems are disposed along the perimeter of the elongated containers to prevent the heat exchange. In cases where the insulation systems are subject to extreme temperature fluctuations, components of the insulation may thermally expand and/or contract, and may form gaps between the components. Alternatively, damaging stresses may be formed as the thermal dimensional changes may be restricted as part of the installation. The insulation system comprises expansion features to better enable the gaps to be filled and relieve damaging stresses. In this manner, the elongated containers may be efficiently insulated even while subjected to extreme temperature fluctuations. 1. An insulation system for an exterior of an elongated container , comprising:a foam expansion joint configured to be disposed around an elongated container, the foam expansion joint extending from a first longitudinal side to a second longitudinal side opposite the first longitudinal side, and the foam expansion joint extending from a first latitudinal side to a second latitudinal side opposite the first latitudinal side;at least one channel extending from the first longitudinal side to the second longitudinal side; andat least one longitudinal fastener configured to fasten the first longitudinal side proximate to the second longitudinal side to secure the foam expansion joint in a shape or substantially the shape of a cross-sectional perimeter of the elongated container,wherein the at least one channel is configured to change shape to allow the foam expansion joint to change a longitudinal dimension and thereby enable the first latitudinal side and the second latitudinal ...

SYSTEMS AND METHODS OF SUPPLYING MATERIALS TO A ROTATING FIBER PRODUCING DEVICE

Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Use of material transfer conduits allows the continuous production of fibers without the need to stop the process to refill the fiber producing device. 1. A microfiber and/or nanofiber producing system comprising:a fiber producing device comprising a body comprising one or more openings, wherein the body is configured to receive a material to be produced into a fiber;a coupling member comprising a material delivery conduit, wherein the material is conveyed through the material delivery conduit of the coupling member into the body during use,a driver capable of rotating the fiber producing device, wherein the fiber producing device is couplable to the driver through the coupling member; andwherein, during use, rotation of the fiber producing device causes material in the body to be passed through one or more openings to produce microfibers and/or nanofibers.2. The system of claim 1 , wherein the material delivery conduit of the coupling member is configured to convey a pressurized fluid to the body while the fiber producing device is being rotated.3. The system of claim 1 , wherein the coupling member further comprises a driving conduit coupled to the body of the fiber producing device claim 1 , wherein the material delivery conduit is disposed within the driving conduit claim 1 , and wherein the driving conduit rotates around the material delivery conduit during use.4. The system of claim 3 , wherein the material delivery conduit is stationary while the driving conduit is being rotated.5. The system of claim 1 , wherein the material delivery conduit is not in contact with the fiber producing body.6. The system of claim 1 , wherein the driver comprises a direct drive device.7. The system of claim 1 , wherein a ...

UNIFORM FILMS FOR RAPID DISSOLVE DOSAGE FORM INCORPORATING TASTE-MASKING COMPOSITIONS

The present invention relates to rapid dissolve thin film drug delivery compositions for the oral administration of active components. The active components are provided as taste-masked or controlled-release coated particles uniformly distributed throughout the film composition. The compositions may be formed by wet casting methods, where the film is cast and controllably dried, or alternatively by an extrusion method. 1. A drug delivery vehicle comprising:a dry mucoadhering film having a thickness defined by opposed surfaces; said film comprising:(i) a water-soluble polymer;(ii) a pharmaceutically active particle comprising a pharmaceutically active agent; and a taste-masking agent;wherein said particle having a particle size of less than about 200 microns and said taste-masking agent being present in amounts of about 15-80% by weight of the particle.2. A method of preparing a thin film drug delivery vehicle comprising:(a) providing a pharmaceutically active agent/taste-masking agent complex;(b) combining the complex with a water-soluble polymer and a solvent to form a mixture with uniform distribution of said complex therein;(c) casting said mixture onto a planar carrier surface to form a thin film on said carrier surface; and(d) controllably drying said thin film to form a distribution variance of said complex having less than about 10% variance throughout any given area of said thin film.3. The method of claim 2 , wherein said drying includes applying heat to the bottom of said carrier surface.4. The method of claim 2 , wherein said pharmaceutically active agent/taste-masking agent complex comprises a particulate active agent and a thin film coating of said taste-masking agent over said particulate active agent.5. A method of preparing a thin film drug delivery vehicle having a substantially uniform distribution of components comprising:(a) forming a masterbatch pre-mix of an edible water-soluble polymer component and water;(b) feeding a predetermined amount of ...

METHOD FOR PRODUCING PHARMACEUTICAL PRODUCTS FROM A MELT MATERIAL

A method for producing pharmaceutical products from a melt material, wherein the melt material emerges from nozzles in a perforated plate, and is then granulated. A motor-driven cutter arrangement having at least one blade is opposite the perforated plate so that it cuts pellets emerging from nozzles in the perforated plate. A gaseous coolant flows through a housing which adjoins the perforated plate and encloses the at least one blade. The pellets of the melt material are then solidified in the coolant. Coolant is introduced from a separate inlet chamber that circumferentially encloses the housing in the area of rotation and from an inlet nozzle arrangement extending circumferentially between the inlet chamber and the housing. Coolant is introduced circumferentially from all sides essentially radially inward. A substantially centripetal flow of the coolant is produced in the area of rotation, and the coolant and pellets are conveyed to an outlet. 1. A method for producing pharmaceutical products from a melt material , wherein the melt material emerges from nozzles in a perforated plate and is then granulated , wherein:a. a motor-driven cutter arrangement having at least one blade is located opposite the perforated plate so that the at least one blade passes over the nozzles in the perforated plate and in so doing cuts pellets of the emerging melt material;b. a housing is provided that adjoins the perforated plate and encloses the at least the one blade of the motor-driven cutter arrangement and through which the housing flows a coolant, so that in the process the pellets of the melt material are then solidified in the coolant;c. the coolant comprises a gaseous coolant and is introduced into the housing from an inlet apparatus comprised of a separate inlet chamber that circumferentially encloses the housing in the area of rotation of the at least one blade and of an inlet nozzle arrangement extending circumferentially between the inlet chamber and the housing;d. the ...

EXTRUSION MOLDING APPARATUS AND MANUFACTURING METHOD FOR GREEN HONEYCOMB MOLDED BODY USING SAME

The extrusion-molding device of the invention is for producing a green honeycomb molded body with a cell structure, and the device includes a housing, a screw, a die with slits, a resistance tube and a fragmenting board having through-passages through which a raw material composition passes from the upstream end side to the downstream end side. The through-passages of the fragmenting board have upstream channels composed of a plurality of flow passages extending downstream from the upstream end side, and downstream channels extending up to the downstream end side and having flow passage cross-sectional shapes different from those of the upstream channels. 18-. (canceled)9. An extrusion-molding device for producing a green honeycomb molded body with a cell structure , the device comprising:a housing with a flow passage for transporting a paste raw material composition;a screw provided upstream of the flow passage for kneading the raw material composition and transporting it downstream;a die provided downstream of the flow passage and having slits corresponding to the shape of the cell structure of the green honeycomb molded body;a resistance tube for connecting the flow passage and the die; and upstream channels composed of a plurality of flow passages extending downstream from the upstream end side of the fragmenting board; and', 'downstream channels extending up to the downstream end side of the fragmenting board and having flow passage cross-sectional shapes different from those of the upstream channels., 'wherein the through-passages comprise, 'a fragmenting board provided between the screw and the die, having through-passages through which the raw material composition passes from an upstream end side to a downstream end side thereof,'}10. The extrusion-molding device according to claim 9 , wherein the upstream channels are composed of a plurality of flow passages extending downstream essentially straight from the upstream end side of the fragmenting board claim ...

Structure, display apparatus and method of molding structure

A structure in which a folding notch, which is open in a direction orthogonal to an extrusion direction, is formed on a molded product formed using profile extrusion, each portion of an open edge of the folding notch is formed as a first matching portion and a second matching portion which are separate or continuous in the extrusion direction, and the molded product is folded such that the first matching portion and the second matching portion face each other.

CATALYTIC CONVERTER COMPONENT AND PROCESS FOR ITS MANUFACTURE

In a process for manufacturing a catalytic converter component, a ceramic unit is used that has been prepared by extruding green ceramic product through a die to form an extrusion having a honeycomb substrate structure in which tubular passages extend along the extrusion, the passages bounded by walls dividing adjacent passages from one another. The unit is obtained by cutting off a length of the extrusion and curing and firing it. The process further comprises flowing insulation material from one end of the unit into selected ones of the elongate passages, the insulating material then being cured by microwave irradiation. The passages are selected so that the cured insulation material forms an internal thermal insulating barrier between a core zone of the unit and a radially outer zone of the unit. 1. A process for manufacturing a component for a catalytic converter , comprising taking a ceramic unit prepared by extruding green ceramic product through a die to form an extrusion having a honeycomb substrate structure having a plurality of tubular passages extending along the length of the extrusion , the passages bounded by walls dividing adjacent passages from one another , the unit being obtained by cutting off a length of the extrusion and curing and firing the length of extrusion , the process further comprising flowing insulation material from an end of the unit to form an internal thermally insulating barrier between a core zone of the unit and a radially outer zone of the unit , and curing the flowed insulating material using microwave radiation.2. A process as claimed in claim 1 , in which the flowing insulation material from the end of the unit is such as to at least partially fill selected ones of the passages with the insulation material.3. A process as claimed in claim 1 , further comprising cutting away a part of the honeycomb structure claim 1 , the flowing insulation material from the end of the unit being such as to at least partially fill the site ...

EXTRUSION MOLDING DEVICE, MOLDED ARTICLE, AND METHOD OF PRODUCING THE SAME

An extrusion molding device includes: an extrusion die configured to extrude a molten material; a sizing die configured to shape the material extruded by the extrusion die; and a transfer device configured to follow the material and to be operated, the material passing through the sizing die, and configured to transfer a transfer surface formed as a specular surface to the material. 1. An extrusion molding device comprising:an extrusion die configured to extrude a molten material;a sizing die configured to shape the material extruded by the extrusion die; anda transfer device configured to follow the material and to be operated, the material passing through the sizing die, and configured to transfer a transfer surface formed as a specular surface to the material.2. The extrusion molding device according to claim 1 ,wherein a transfer roller is used as the transfer device, the transfer roller following the material and being rotated.3. The extrusion molding device according to claim 2 ,wherein a plurality of the transfer rollers are disposed apart in a moving direction of the material which has been extruded and moved.4. The extrusion molding device according to claim 1 ,wherein a transfer belt is used as the transfer device, the transfer belt following the material and being moved.5. The extrusion molding device according to claim 1 , further comprising a temperature controller configured to adjust a temperature of a surface of the transfer device.6. A molded article which is formed in such a manner claim 1 ,wherein a transfer device follows a material and is operated, the material passing through a sizing die for shaping a molten material extruded by an extrusion die, and a surface of the transfer device is transferred to the material, the surface being formed as a specular transfer surface.7. A method of producing a molded article claim 1 , the method including:extruding a molten material by an extrusion die;shaping the material by a sizing die, the material being ...

TRI-EXTRUDED ROOF DITCH MOLDING WITH HARD AND SOFT COMPONENTS INCLUDING ASSOCIATED FASTENER SYSTEM AND METHOD FOR HEAT FORMING THE ROOF DITCH MOLDING

A tri-extruded molding for mounting within a vehicle roof ditch. The tri-extruded molding is produced as an elongated trim defining component and is constructed of a rigid substrate material, a first UV graded thermoplastic elastomer applied over the exterior of the rigid substrate, with a second thermoplastic elastomer formed as a pair of laterally projecting wings along exterior and outwardly opposite edges of the rigid substrate and in communicating fashion with the jointly extruded edges of the first thermoplastic elastomer. A plurality of fasteners are seated within the track for mounting the molding to the vehicle roof ditch. A single production line process is disclosed for tri-extruding the three components into a roof ditch molding and includes a handling operation with opposing dies surfaces for compressing therebetween an initial straight length of extrusion for forming into a desired final shape. 1. A multi-component extruded article for mounting to a vehicle location , comprising:a rigid substrate constructed from a first material and exhibiting in cross section a channel adapted to receive a plurality of fasteners in inserted fashion;a first thermoplastic elastomer coating jointly extruded over at least a portion of an exterior surface of said rigid substrate; anda second thermoplastic elastomer likewise extruded along at least one additional edge location of said rigid substrate in contact with said first elastomer in order to define a laterally projecting wing when viewed in crosswise profile.2. The extruded article as described in claim 1 , said rigid substrate further comprising in cross section end most extending ribs.3. The extruded article as described in claim 2 , said ribs extending in angled fashion relative to joining locations defining a portion of a “C” shape cross sectional profile defined by said substrate.4. The extruded article as described in claim 1 , said second thermoplastic elastomer further comprising first and second opposite ...