СПОСОБ ИЗГОТОВЛЕНИЯ ПОВЕРХНОСТНОГО ПОКРЫТИЯ С ТИСНЕНОЙ ПЕЧАТНОЙ ПОВЕРХНОСТЬЮ

FIELD: plastic processing. SUBSTANCE: present invention relates to a method of making a surface coating with an embossed printing surface. Substrate (16) is continuously moved through a production line, wherein on said substrate (16) first a printed pattern is made in printing equipment (12), and then embossing pattern combined with printed pattern is made in embossing device (14). Printing equipment (12) makes printed pattern in line with production of embossed pattern. During printing in printing equipment (12) printed pattern is stretched or compressed, dynamically reacting to indicators of mismatch between printed pattern and embossed pattern so that to correct or prevent these mismatches. Present invention also relates to a production line for realizing this method. EFFECT: technical result is correction and prevention of deformation of printed pattern. 15 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 687 453 C2 (51) МПК B29C 59/04 (2006.01) B41F 19/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B29C 55/026 (2019.02); B29C 59/026 (2019.02); B29C 59/046 (2019.02); B29C 66/87 (2019.02) (21) (22) Заявка: 2017111680, 28.09.2015 (24) Дата начала отсчета срока действия патента: 28.09.2015 (73) Патентообладатель(и): ТАРКЕТТ ГДЛ (LU) 13.05.2019 (56) Список документов, цитированных в отчете о поиске: US 6272982 B1, 14.08.2001. US 29.09.2014 EP 14186831.5 (43) Дата публикации заявки: 09.11.2018 Бюл. № 2013295352 A1, 07.11.2013. RU 2329540 C2, 20.07.2008. 31 (45) Опубликовано: 13.05.2019 Бюл. № 14 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 02.05.2017 C 2 (86) Заявка PCT: EP 2015/072272 (28.09.2015) 2 6 8 7 4 5 3 C 2 (87) Публикация заявки PCT: R U 2 6 8 7 4 5 3 Приоритет(ы): (30) Конвенционный приоритет: R U Дата регистрации: (72) Автор(ы): КАКМАН-ШНАЙДЕР Клаас (LU), БРАНКОВ Игор (LU), СИМОН Жан-Ив (LU) WO 2016/050696 (07.04.2016) Адрес для переписки: 191002, Санкт-Петербург, а/я 5 ( ...

Polyesterfilm zur Verwendung für Wärmeübertragungs-Aufzeichnungsblätter, sowie Verfahren zu dessen Herstellung

Verfahren zur Herstellung eines magnetischen Aufzeichnungsbandes

ELASTOMERBESCHICHTETES SCHRAEGES VERSTAERKUNGSGEWEBE SOWIE HERSTELLUNGSVERFAHREN UND -ANLAGE

VERFAHREN ZUM HERSTELLEN EINER ORIENTIERTEN VERBUNDFOLIE

BIAXIALLY ORIENTED POLYOLEFIN FILMS

COMPOUND DIAPHRAGM WITH HIGH SELECTIVITY AND FLOW AND PROCEDURE FOR THE PRODUCTION

PRINTABLE, IMPERMEABLE MEHRSCHICHTFOLIE

PROCEDURE FOR THE PRODUCTION OF PACKING COMPOSITIONS

In or reciprocally covered weldable, for gases and steams impermeable films and procedures for their production

Procedure for the improvement of the surface of a hydrophoben foil

COMPOSITE FILMS OF POLYAMIDE-IMIDES

COATED POLYESTER FILMS

FILMS COMPOSITES

HDPE FILMS WITH DIFFERENTIAL BIAXIAL ORIENTATION

F-4504-L HDPE FILMS WITH DIFFERENTIAL BIAXIAL ORIENTATION High density polyethylene films, preferably containing blends of HDPE resins or microcrystalline wax, are oriented to a deformation ratio of about 2 in the machine direction and about six or more in the transverse direction to give films having good dead-fold and water vapor transmission characteristics making them highly suited for packaging, particularly for dry foods when coated with or coextruded with a heat sealable layer, e.g. an ionomer.

PROCESS FOR ADHERING HYDROPHILIC LAYERS TO DIMENSIONALLY STABLE POLYESTER FILMS

ELASTOMER-COATED BIAS REINFORCEMENT AND METHOD FOR PRODUCING SAME

MULTILAYER ORIENTED FILM CONTAINING POLYPROPYLENE AND CO-POLYESTER

0992p Anderson Case 4 Multilayer Oriented Film Containing Polypropylene and Co-Polyester Abstract of the Disclosure An oriented film laminate, suitable for use in the food packaging industry, having layers of a homopolymer of propyl-ene or a copolymer of propylene, a co-polyester layer, and an adhesive layer of a polar-modified polyolefin located between and bonded to the polypropylene and co-polyester layers, and a method for making it are disclosed.

Procédé de fabrication de feuilles de caoutchouc présentant des ouvertures et feuille de caoutchouc vulcanisée obtenue par ce procédé.

Procédé de préparation d'une feuille composée scellable à chaud

Verfahren zur Herstellung von biachsial orientierten Polyesterfolien mit einer verschweissbaren Beschichtung

Verfahren zur Herstellung einer biaxial gereckten Schrumpffolie aus Polyvinylchlorid oder Copolymerisaten des Vinylchlorids mit Heisssiegelschicht

Verfahren zur Herstellung von beschichteten Folien

Verfahren zum Überziehen einer oder beider Oberflächen einer Schicht aus orientierbarem hydrophobem Polymer mit einem thermoplastischen Polymer und Recken der Schicht zur Bildung einer orientierten Folie aus dem hydrophoben Polymer

Procedimento per la preparazione di pellicole poliolefiniche rivestite

Pet-c based security laminates and documents

Porous polytetrafluoroethylene film, porous polytetrafluoroethylene membrane complex, and separation membrane element

Polyester films and process for their manufacture

New weldable polyolefin sheet hot, its applications and its manufacture

Coated polyester films

Rubber composition molded roller using the same

This invention provides a rubber composition which is obtained by blending a vulcanizing agent, carbon black, and an anti-aging agent in an ethylene propylene-diene copolymerization rubber, wherein a Mooney viscosity of the ethylene-propylene-diene copolymerization rubber is 80 or more, an arithmetic average particle diameter of the carbon black is 25nm or less, and the anti-aging agent is a benzimidazole-based compound.

SAETT ATT FRAMSTAELLA EN FOERSTAERKNINGSREMSA MED ETT VAEVSKIKT OCH ETT ELASTSKIKT

Process for producing a surface covering with an embossed printed surface

A process for producing a surface covering with an embossed printed surface is described. A substrate (16) is continuously moved through a production line, and this substrate (16) is first provided, in a printing equipment (12), with a printed pattern and thereafter, in an embossing equipment (14), with an embossed pattern, which is registered with the printed pattern. The printing equipment (12) produces the printed pattern in-line with the production of the embossed pattern. During printing in the printing equipment (12), the printed pattern is stretched or compressed, dynamically responsive to indicators of misalignments between the printed pattern and the embossed pattern, so as to correct or prevent the misalignments. A production line for carrying out this process is also proposed.

Multi-component composite membrane and method for preparing the same

The present invention relates to a multi-component composite separate membrane and a method for preparing the same, and to a multi-component composite membrane comprising a support layer and active layers, wherein the support layer is located between the active layers.

Optical display having polarizing film

Provided is an optical display device using a polarizing film which has a thickness of 10 µm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 µm or less and satisfy conditions expressed by the following formulas: P > - (100.929T-42.4 - 1) x 100 (where T < 42.3); and P ≥ 99.9 (where T ≥ 42.3), wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate to by 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Polymeric film coated in-line with polyethyleneimine

COATED FILM HAVING SPECIAL EMBOSSING CHARACTERISTICS AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a film which easily receives embossing and which has a low heat sealability, and to provide a method for manufacturing the same. SOLUTION: A polyethylene terephthalate (PET) film comprises a dry uniaxially oriented PET film and a coating. The PET film can be directly embossed. In this PET film, coating and the PET film are laterally stretched as composite materials. The PET film is coated with an aqueous solution containing a non-crosslinking polystyrene acrylic emulsion and a non-crosslinking polyester dispersed material in such a manner that Tg of the coating resin is about 20°C or higher and not higher than about 70°C. COPYRIGHT: (C)2003,JPO ...

MANUFACTURE OF POLYMER FILM COATED WITH AQUEOUS POLYMER

НЕПРЕРЫВНЫЙ ПОТОЧНЫЙ СПОСОБ ФОРМИРОВАНИЯ МНОГОСЛОЙНОЙ УПАКОВОЧНОЙ ПЛЕНКИ

Изобретение касается способа получения упаковочной пленки путем нанесения в непрерывном поточном процессе интерактивного препятствующего материала со слоем герметика, наложенным во время получения упаковочной пленки. После получения покрытой герметикам высушенной упаковочной пленки ее растягивают в ширильной машине.

Filmrolle einer thermoplastischen Kunststofffolie

Mit Polyäthylenimin in-line beschichteter Polymerfilm

BREATHABLE WATERPROOF SHEET MATERIALS & METHODS FOR MAKING SAME

Acrylic coatings

Polymeric films consisting of at least one polymeric layer with an acrylic coating thereon, the acrylic coating including a surfactant such that the surface tension of the water-based acrylic dispersion used to form the coating is reduced by at least 5 dynes/cm by a concentration of surfactant in the dispersion of not more than 0.05 percent by weight, have shown good printability with various inks combined with scratch resistance. The surfactant is preferably an ammonium or alkali metal perfluoroalkyl sulfonate or an ammonium or alkali metal alkyl or di-alkyl sulfosuccinate.

Process for the preparation of thermoweldable polyolefinic films

Non-fibrillating thermo-weldable films are made from two layers of the same polyolefinic material, following a sequence of operations essentially comprising the extrusion of a base film, cooling and longitudinally stretching it under defined conditions, extruding a relatively thin coating of the same polyolefinic material onto the base film and then transversely stretching the composite film under defined conditions. Typically, an extruded film of isotactic polypropylene is cooled to 40 DEG C., stretched 1:5. coated at a base/ coat ratio of 8:1 and stretched transversely 1:8. The polyolefinic material should be a crystalline alpha-olefine polymer or copolymer or a mixture of such. ...

ELASTOMER-COATED BIAS REINFORCEMENT FABRIC

Process for producing oriented composite polyolefin resin films.

A process for producing an oriented composite polyolefin resin film which comprises melt-laminating a polyolefin resin sheet for a paper-like layer on at least one surface of a monoaxially stretched polyolefin resin sheet for a substrate layer, and then stretching the resulting laminated sheet in a direction perpendicular to said monoaxially stretched direction. The polyolefin resin sheet for the substrate layer is a sheet of composite structure prepared by melt-extruding the specific compositions (A), (B), and (C) through a co-extrusion die in such a manner that a layer composed of the thermoplastic resin composition (A) is laminated on one surface of an intermediate layer composed of the polyolefin composition (B) containing a filler and a layer composed of the thermoplastic resin composition (C) is laminated on the other surface of the intermediate layer. Said polyolefin resin sheet for the paper-like layer is composed of a specific polyolefin composition (D) containing a filler.

PROCEDURE FOR THE TREATMENT OF A SURFACE A THERMOPLASTIC ONE OF A RESIN FOIL

VERFAHREN ZUR HERSTELLUNG VON WARMVERSCHWEISSBAREN SPLEISSFREIEN POLYOLEFINFILMEN

POLYPROPYLENE FILM AND PROCEDURE FOR THE PRODUCTION

ELASTOMER-COATED BIAS REINFORCEMENT AND METHOD FOR PRODUCING SAME

An elastomer-coated bias fabric having one tacky surface, for use in reinforcing power transmission belts and the like is disclosed herein. The fabric is a bias fabric having opposed surfaces, yarn or fiber bundles and interstices, and which are pre-impregnated with an elastomeric latex composition. The fabric is provided with a layer of uncured non-carboxylated and non-tackified first elastomeric composition coated on both of the surfaces of the fabric and penetrating the yarn or fiber bundles and the interstices of the fabric, the layer having opposed surfaces and being substantially dry. That layer is overcoated with a layer of uncured tacky, carboxylated second elastomeric composition on only one of the surfaces thereof. This fabric reinforcement is particularly advantageous because it provides secure positional attachment between the coated fabric and the product base in preparation for vulcanization. A method for producing the coated fabric is also disclosed.

METHOD OF MAKING A COMPOSITE MICROPOROUS MEMBRANE

A method of making a composite microporous membrane includes the steps of: coating a nonporous precursor film with a polymer composition, and then stretching the coated nonporous precursor. Stretching includes a first stretching conducted at a first temperature and a first stretching rate and a second stretching conducted at a second temperature and a second stretching rate. The first stretching rate and the second stretching rate are different.

POLYMERIC FILM COATED IN-LINE WITH POLYETHYLENEIMINE

ABSTRACT OF THE INVENTION POLYMERIC FILM COATED IN-LINE WITH POLYETHYLENEIMINE Oriented polymeric film coated with polyethyleneimine is disclosed, in which the polyethyleneimine is coated in-line, i.e., during the film manufacturing process for forming the polymeric film and before heat setting the film. In-line polyethyleneimine coated polymeric film, when used to make a laminate with other polymers such as polyethylene or ionomer type polymers, shows no signs of delamination between the polymeric film and the extrusion coated polymer after 2 hours in water at 121°C at 15 psi. In-line coating polyethyleneimine on the polymeric film can occur before any orientation of the polymeric film, during interdraw, with respect to biaxially oriented film, or after orienting the film, so long as the coating occurs before heat setting the film. The preferred polymeric film is polyethylene terephthalate.

PROCESS FOR PRODUCING A SURFACE COVERING WITH AN EMBOSSED PRINTED SURFACE

ANTISTATIC COATING COMPOSITIONS

PRODUCTION OF SYNTHETIC PAPERS

COMPOSITE FILMS OF POLYAMIDEIMIDES

편광 필름의 제조 방법

... 높은 편광 기능을 갖는 편광 필름을 효율적으로 제조할 수 있는 편광 필름의 제조 방법을 제공하는 것을 과제로 한다. 본 발명은, 2 이상의 띠 형상의 폴리비닐 알코올계 필름 중 제1 폴리비닐 알코올계 필름을 길이 방향으로 이동시키면서 그 이동 경로에 있어서 상기 제1 폴리비닐 알코올에 적어도 염색과 연신을 실시하고, 또한, 상기 제1 폴리비닐 알코올계 수지 필름의 말단부에 제2 폴리비닐 알코올계 수지 필름의 선단부를 연결함으로써, 상기 제1 및 제2 폴리비닐 알코올계 수지 필름에 연속해서 상기 염색과 연신을 적어도 실시하는 편광 필름의 제조 방법이며, 상기 말단부와 상기 선단부를 중첩시킨 배치로 하게 하여 그 계면부를 레이저 용착시킴으로써 상기 연결을 실시하는 것을 특징으로 하는 편광 필름의 제조 방법을 제공한다.

Polarizing film, optical film laminate comprising polarizing film, and stretched laminate for manufacturing the same

Polarizing film, optical film laminate including polarizing film, stretched laminate for use in production of optical film laminate including polarizing film, production methods for them, and organic EL display device having polarizing film

두께가 10㎛이하의 광학 특성의 높은 유기 EL표시장치용 편광막을 제공한다. 2색성 물질을 배향시킨 폴리비닐 알코올계 수지로 구성되는 연속 웹의 유기 EL표시장치용 편광막이며, 연신되는 것에 의해, 10㎛이하의 두께로 된 것이며, 게다가, 단체 투과율을 T, 편광도를 P로 했을 때, T≥42.5, 및 P≥99.5의 조건을 만족하는 광학 특성을 가지도록 된 것이다. 이 유기 EL표시장치용 편광막은, 비정성 에스테르계 열가소성 수지기재에 제막 된 폴리비닐 알코올계 수지층을 포함한 적층체를 공중 보조 연신과 붕산 수중 연신으로 구성되는 2단 연신 공정으로 연신하는 것으로써 제조할 수 있다. Provided is a polarizing film for an organic EL display device having a high optical property with a thickness of 10 μm or less. It is a polarizing film for organic EL display devices of a continuous web composed of polyvinyl alcohol-based resin in which a dichroic substance is oriented, and is stretched to a thickness of 10 μm or less, and furthermore, T is a single transmittance and P is a polarization degree. In this case, the optical characteristic satisfies the conditions of T≥42.5 and P≥99.5. This polarizing film for organic electroluminescence display is manufactured by extending | stretching the laminated body containing the polyvinyl alcohol-type resin layer formed into the amorphous ester-type thermoplastic resin base material by the two-step stretching process comprised of air-assisted stretching and boric acid underwater stretching. can do.

METHOD OF PRODUCING THIN POLARIZING FILM

CONTINUOUS MANUFACTURING METHOD OF AN OPTICAL PANEL ASSEMBLY WHICH INCLUDES A POLARIZING FILM AND AN APPARATUS THEREOF

PURPOSE: A continuous manufacturing method of an optical panel assembly and an apparatus thereof are provided to successively attach an optical film laminated body on an optical panel such as an optical display panel. CONSTITUTION: A laminated body strip(910b) with a width corresponding to a long side of a panel(W) is transferred to a longitudinal direction from a roll(920). The laminated body strip is identified by an identification information reader(920a). The laminated body strip is transferred to a polarizing film lamination station(950). A polarizing film laminated body sheet(922) is peeled off from a separator film and attached on the upper surface of a liquid crystal panel. The liquid crystal panel in which a polarizing film is attached on one surface is transferred to an inverse rotation part(960). COPYRIGHT KIPO 2012 ...

METHOD AND APPARATUS FOR PRODUCING SLIT-PROCESSED ELONGATED FILM

The present invention provides a method for producing a slit-processed elongated film which prevents wrinkles from forming on an elongated film during transportation, and prevents breakage from occurring due to such wrinkles. The method comprises the following steps in this order: an elongation process in which both ends of a long band-shaped resin film (RF) are each gripped by clips, and as the gap between the clips widens, the resin film (RF) is elongated in the width direction to form an elongated film (EF); a bonding process in which, the elongated film (EF) while being stacked on a protection film (PF1), is passed through a pair of nip rolls (14) to bond the elongated film (EF) to the protection film (PF1); and a cutting process in which an end portion of the elongated film (EF) is cut with the protection film (PF1) through a slitting process. COPYRIGHT KIPO 2017 ...

HEAT-SHRINKABLE POLYESTER-BASED MONO-LAYERED FILM WITH EXCELLENT SHRINKAGE, CONCEALMENT, AND STRIPPABILITY

PURPOSE: A heat-shrinkable polyester-based mono-layered film is provided to ensure excellent printed appearance and concealment property while maintaining heat shrinkage of a shrinkable film when applied to a label due to a colored film itself. CONSTITUTION: A heat-shrinkable polyester-based mono-layered film comprises particles dispersed in a polyester-based resin matrix including a 2,2-dimethyl(-1,3-propylene)terephthalate repeating unit. The haze of the heat-shrinkable polyester-based mono-layered film is 80-95 %, wherein the haze deviation represents the value within average ± 5% through whole width of a film roll, the shrinkage rate toward a maximum retracting direction is 40-80 % when treated for 10seconds in warm water of 90 °C. COPYRIGHT KIPO 2011 ...

Method for producing optical film and apparatus therefor

Disclosed is a method for fabricating an optical film which includes a processing step in which the lower surface of a film is brought into contact with the surface of a processing liquid fully filled in a processing bath while the film is continuously conveyed in a state in which both ends of the film in the width direction are held. The method for fabricating an optical film employs a small and simple fabricating apparatus, and is capable of bringing a film into contact with a liquid while the film is stretched in the width direction by means of a tenter method.

MOISTURE-RESISTANT, COATED THERMOPLASTIC FILM HAVING ENHANCED ADHESION TO INKS AND METALLIC LAYERS

MANUFACTURE OF GARMENT MATERIALS

Functionalizing a broad range of stretchable substrates, including synthetic and natural fabrics, fibers and non-woven materials, by coating the substrates with various materials while the substrate is held stretched so as to maintain the breathability of the materials. This provides durability to the coatings and prolonged resistance to degradation due to washing and cleaning. One or both sides of the substrate may be treated to have different functional properties. A process is also provided for materials functionalization which can be compatible with the existing equipment.

Slip coated thermoplastic films

A slip-coated thermoplastic film is disclosed wherein the slip coating applied is essentially an aqueous wax emulsion. The wax emulsion is preferably applied to a thermoplastic film such as polypropylene. The resultant slip-coated film has low haze, non-blocking, and consistently low coefficient of friction for good machinability.

POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, POROUS-POLYTETRAFLUOROETHYLENE-MEMBRANE COMPOSITE, AND SEPARATION MEMBRANE ELEMENT

The invention offers a porous polytetrafluoroethylene membrane, which is a porous resin membrane produced by the following steps: preparing multiple types of polytetrafluoroethylene each having a different quantity of heat of fusion; using each of the multiple types of polytetrafluoroethylene to form a membrane composed of a fluororesin consisting mainly of polytetrafluoroethylene; heating each membrane to its melting point or above to bake it, so that multiple types of nonporous resin membranes are produced; stacking the multiple types of nonporous resin membranes in the order of the magnitude of the quantity of heat of fusion of the polytetrafluoroethylene used to produce each of the nonporous resin membranes; bonding the stacked membranes with each other; and stretching the bonded membranes to form the porous resin membrane. The porous polytetrafluoroethylene membrane has a mean flow pore diameter of 50 nm or less. It has through pores having a microscopic and uniform diameter, and when used as a filter, it has excellent efficiency in filtering treatment and is less likely to develop clogging. The invention also offers a composite of the membrane, a process of producing the composite, and a separation membrane element incorporating the composite as a filtering membrane. 1. A porous polytetrafluoroethylene membrane , being a porous resin membrane produced by the steps of:preparing multiple types of polytetrafluoroethylene each having a different quantity of heat of fusion;using each of the multiple types of polytetrafluoroethylene to form a membrane composed of a fluororesin consisting mainly of polytetrafluoroethylene;heating each membrane to its melting point or above to bake it, so that multiple types of nonporous resin membranes are produced;stacking the multiple types of nonporous resin membranes in the order of the magnitude of the quantity of heat of fusion of the polytetrafluoroethylene used to produce each of the nonporous resin membranes;bonding the ...

Moisture-resistant, coated thermoplastic film having enhanced adhesion to inks and metallic layers

Method and apparatus for continuously producing optical panel assemblies

A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate comprising a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 µm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer. A plurality of slits are formed in a carrier film-attached optical film laminate prepared by releasably attaching a carrier film to the optical film laminate with the polarizing film through an adhesive layer, in a width direction thereof at lengthwise given intervals corresponding to one of long and short sides of the optical panel, to extend from a surface of the optical film laminate to a depth reaching a surface of the carrier film facing the adhesive layer to thereby form an optical film laminate sheet between lengthwisely adjacent two of the slits. The laminate is fed to a lamination position in such a manner that each of the sheets becomes synchronous with a respective one of the optical panels being sequentially fed to the lamination position. Each of the sheets is peeled from the carrier film while allowing the adhesive layer to be left on the side of the optical film laminate, and the peeled sheet is laminated to the optical panel fed to the lamination position, through the adhesive layer.

ANTI-MICROBIAL POLYMERIC FILM AND METHOD OF MANUFACTURE OF SAID FILM

СПОСОБ ИЗГОТОВЛЕНИЯ ПОВЕРХНОСТНОГО ПОКРЫТИЯ С ТИСНЕНОЙ ПЕЧАТНОЙ ПОВЕРХНОСТЬЮ

Prägbare thermoplastische Polyesterfolie und Verfahren zu ihrer Herstellung

Biaxially oriented, ethylene polymer coated polypropylene sheet

... 1,001,033. Coated polypropylene sheet. AVISUN CORPORATION. March 2, 1964 [March 28, 1963], No. 8734/64. Heading B2E. A biaxially oriented composite sheet comprises a non-fibrous base sheet of isotactic polypropylene coated on at least one side thereof with a resinous film-forming polymer containing at least 65 % by weight of ethylene. The coating may be a homopolymer of ethylene or copolymer thereof with, e.g., vinyl acetate or lower alkyl acrylates. Conventional additives and slip and/or antiblocking agents may be added to the coating. As shown, isotactic polypropylene film 1 is extruded at 260 ‹C. through die 2 into water tank 4. The film is drawn through rolls 6, 8, 10, 12, and 14, a molten film of polyethylene being extruded on to the film through die 18. The other side of the film may be coated if desired with polyethylene via die 24. The coated film is heated in zone 30 to a temperature between about 20 ‹C. and 40 ‹C. below the crystalline melting point of polypropylene, e.g. about ...

METHOD FOR MAKING BREATHABLE,WATERPROOF SHEET MATERIALS

PRINTABLE IMPERMEABLE MEHRSCHICHTFOLIE

PROCEDURE FOR THE PRODUCTION OF POLYMER FOILS ORIENTED WITH UVACTIVE COATINGS MISTAKES

PROCEDURE, SYSTEM AND ITS USE FOR THE FIGHT OF THE ROLLNEIGUNG WITH MULTILEVEL COURSES

PROCESS FOR PRODUCING THERMOPLASTIC RESIN FILM

Highly adhesive polyamide film and production method therefor

Disclosed is a highly adhesive polyamide film which is provided with a base polyamide film, and a primer layer formed on at least one surface of the base polyamide film, where said primer layer contains an anionic water-dispersible polyurethane resin. The primer layer has a thickness between 0.025 and 0.250 m, inclusive. The anionic water-dispersible polyurethane resin has a film elasticity of at least 250%, and a tensile strength of at least 20 MPa. The highly adhesive polyamide film generates a total of no more than 0.50 g/g of volatile alkaline components when heat treated for 10 minutes at 200ºC under a helium atmosphere.

PROCESSES FOR PRODUCING ORIENTED POLYMERIC FILMS PROVIDED WITH UV-ACTIVE COATINGS

Processes for producing oriented films with at least one surface having a coating including at least one UV-active group and at least one unsaturated functional group are provided. The processes involve providing the coating on at least one surface of the oriented film by applying the coating to the surface of the film in-line during the film production process. In certain embodiments, the coating is applied prior to completion of the orientation process. In other embodiments, the coating is applied after completion of the orientation process and before completion of the film production process. In certain embodiments, the films are produced in biaxial orientation process and the coating is applied between the orientation steps during biaxial orientation of the film. In certain embodiments, the coating is applied to the film surface after orientation of the film in the machine direction and prior to orientation of the film in the transverse direction. The coatings are applied after the ...

MOISTURE-RESISTANT, COATED THERMOPLASTIC FILM HAVING ENHANCED ADHESION TO INKS AND METALLIC LAYERS

A two-step, sequential coating method is disclosed which permits the use of aqueous precursor solutions to coat water-insoluble compounds onto thermoplastic film. In a preferred embodiment, an aqueous oleic acid/ammonium oleate solution is coated onto amorphous polyester sheet which is subsequently monoaxially oriented by stretching in the machine direction, and coated with an aqueous solution of calcium hydroxide, thereby forming a layer of calcium oleate in situ. The coated film is subsequently biaxially oriented by stretching in the transverse directional and heat-set.

FILMS COMPOSITES

ELASTOMER-COATED BIAS REINFORCEMENT FABRIC AND METHOD AND APPARATUS FOR PRODUCING SAME

EASY ADHESION POLYAMIDE FILM AND PRODUCTION METHOD THEREFOR

Disclosed is a highly adhesive polyamide film which is provided with a base polyamide film, and a primer layer formed on at least one surface of the base polyamide film, where said primer layer contains an anionic water-dispersible polyurethane resin. The primer layer has a thickness between 0.025 and 0.250 µm, inclusive. The anionic water-dispersible polyurethane resin has a film elasticity of at least 250%, and a tensile strength of at least 20 MPa. The highly adhesive polyamide film generates a total of no more than 0.50 µg/g of volatile alkaline components when heat treated for 10 minutes at 200ºC under a helium atmosphere.

COATED HDPE FILM AND ITS METHOD OF MANUFACTURE

The invention relates to a coated film composition comprising: a) a biaxiall y oriented high density polyethylene (HDPE) film comprising at least 50 wt. % of HDPE having a density of 0.960 or greater, u nd b) a coating which is derived from the group consisti ng of polyvinylidene chloride polymer or copolymer, acrylic acid polymer or copoly mer, and polyvinyl alcohol polymer (PVOH); amd its metho d of manufacture.

IMPROVEMENTS IN AND RELATING TO THE MANUFACTURE NOF POLYPROPYLENE FILM

Manufactoring process of sheets out of polymers or copolymers of chloride vinyl, stretched along two directions

Polyester films coated

OPTICAL FILM, METHOD FOR PRODUCING THE SAME, AND IMAGE DISPLAY DEVICE USING THE SAME

편광성 적층 필름의 제조 방법 및 편광판의 제조 방법

... 기재 필름 상에 폴리비닐알코올계 수지를 함유하는 도공액을 도공하여 적층 필름을 얻는 공정; 적층 필름을 연신하여 연신 필름을 얻는 공정; 연신 필름의 폴리비닐알코올계 수지층을 이색성 색소로 염색하는 공정을 구비하고, 연신하는 공정은, 제1 폭 잔존율(R1)이 60% 이상 100% 미만이 되도록 연신을 하는 제1 연신 공정과, 제2 폭 잔존율(R2)이 제1 폭 잔존율(R1)보다도 작아지도록 자유단 일축 연신을 하는 제2 연신 공정을 포함하는 편광성 적층 필름의 제조 방법, 그리고 상기 방법에 의해 얻어지는 편광성 적층 필름을 이용한 편광판의 제조 방법이다.

Method of producing polarizing plate

Polarizing film and manufacturing method thereof, and optical element using the same

The present invention provides a polarizing film with high polarization degree and high transmittance, which is directed to the use of polyvinyl alcohol (PVA)-based film by subjecting to a monoaxial multi-step dry-stretch process, thereafter conducting a swelling process in a water-washing tank, cross-dyeing in a dyeing-crosslinking tank comprising an aqueous iodine containing solution, then subjecting to a post stretch process in an stretch tank 05 comprising PVA crosslinking agent, as to obtaining a polarizing film with a transmittance of at least 43% and a polarization degree of at least 98%; and the producing method thereof, a polarizing plate and an optical component produced from the same.

Pet-c based security laminates and documents

A method of preparing a security laminate including the steps of: a) providing a polyethylene terephthalate substrate ( 1 ); b) stretching the polyethylene terephthalate substrate in either a longitudinal or a transversal direction; c) coating and drying a first coating composition ( 2 ) on the stretched polyethylene terephthalate substrate; d) stretching the coated polyethylene terephthalate substrate in the longitudinal or transversal direction not selected in step b) in order to obtain a coated biaxially stretched polyethylene terephthalate substrate having a layer of the first coating composition with a dry thickness between 50 nm and 400 nm; e) coating and drying a second coating composition ( 3 ) on top of the dry layer on the biaxially stretched substrate, wherein the first coating composition contains a copolymer selected from the group consisting of a hydroxyl—functional, partially-hydrolyzed vinyl chloride/vinyl acetate copolymer and a polyester-urethane copolymer; and wherein the second coating composition contains a hydroxyl—functional, partially-hydrolyzed vinyl chloride/vinyl acetate copolymer. Security laminates and security documents containing them are also disclosed.

Optical display device having polarizing film

Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 0.929T-42.4 −1)×100 (where T<42.3); and P≧99.9 (where T≧42.3), wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate to by 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Method of manufacturing polarizing film

A method of manufacturing a polarizing film according to an embodiment of the present invention includes forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate having a crystallinity of 7% or less to produce a laminate and subjecting the laminate to a wet treatment followed by a drying treatment with a heat roll.

Highly insulating film

An object of this invention is to provide a highly insulating film, which is excellent in the heat resistance and has increased breakdown voltage. This invention is a highly insulating film, which is characterized by comprising a biaxially stretched film containing a styrene polymer having a syndiotactic structure as a main component, containing a thermoplastic amorphous resin Y having a glass transition temperature Tg by DSC of 130° C. or higher in an amount of 5% by mass or more and 48% by mass or less, and having a plane orientation coefficient (ΔP) represented by the following equation (1) of −0.027 or less. ΔP=(Nx+Ny)/2−Nz (1) (Here, in the equation (1), Nx represents the minimum value of the refractive index in the plane direction of the film, Ny represents the refractive index in the direction perpendicular to Nx in the plane direction of the film, and Nz represents the refractive index in the thickness direction of the film.)

WIDE-VIEW OPTICAL FILM HAVING REVERSED WAVELENGTH DISPERSION

An optical compensation film is disclosed herein, which is made by uniaxially or biaxially stretching of a multilayer film including a first polymer film having a refractive index profile satisfying the equations of (n+n)/2≧nand |n−n|<0.005 and a second polymer film having a refractive index profile satisfying the equations of (n+n)/2n.3. The optical compensation film of claim 1 , wherein the first polymer film of (a) has an out-of-plane birefringence (Δn) satisfying the equation of |Δn|>0.002.4. The optical compensation film of claim 1 , wherein the first polymer film of (a) has an out-of-plane birefringence (Δn) satisfying the equation of |Δn|>0.005.5. The optical compensation film of claim 2 , wherein the first polymer film of (a) is selected from the group comprising cellulose ester claim 2 , cellulose acylate claim 2 , cellulose acylate benzoate claim 2 , polyimide claim 2 , and acrylic polymer.6. The optical compensation film of claim 2 , wherein the first polymer film of (a) is a cellulose ester whose out-of-plane birefringence (Δn) satisfying the equation of |Δn|>0.002.7. The optical compensation film of claim 1 , wherein the first polymer film of (a) is an isotropic film having a refractive index profile of n=n=n.8. The optical compensation film of claim 7 , wherein the first polymer film of (a) is selected from the group comprising cyclic polyolefin (COP) claim 7 , polycarbonate claim 7 , polyester claim 7 , polysulfone claim 7 , ...

Method and apparatus for continuously producing optical panel assemblies

A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate including a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 μm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer.

SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY ELEMENT

A system for manufacturing an optical display element by laminating an optical film on one surface of a rectangular organic light emitting display panel, the system including: a panel supply unit to which an organic light emitting display panel is supplied; a panel conveying unit which conveys the supplied organic light emitting display panel; an optical film supply unit which supplies an optical film by unwinding the optical film from a raw optical film roll; a laminating unit which laminates the optical film on one surface of the organic light emitting display panel; and a turning unit which rotates the organic light emitting display panel by 90° before the optical film is laminated on one surface of the organic light emitting display panel when a width-directional edge of the supplied organic light emitting display panel does not correspond to a width of the raw optical film roll. 1. A system for manufacturing an optical display element by laminating an optical film on a surface of a rectangular organic light emitting display panel , the system comprising:a panel supply unit to which an organic light emitting display panel is supplied;a panel conveying unit which conveys the organic light emitting display panel from the panel supply unit;an optical film supply unit which supplies an optical film by unwinding the optical film from a raw optical film roll;a laminating unit which laminates the optical film on one the surface of the organic light emitting display panel; anda turning unit which rotates the organic light emitting display panel by 90° when a width-directional edge of the organic light emitting display panel supplied to the panel supply unit does not correspond to a width of the raw optical film roll before the optical film is laminated on the surface of the organic light emitting display panel.2. The system of claim 1 , wherein the raw optical film roll is one of n raw optical films claim 1 , wherein n is an integer greater than 0) claim 1 , which are ...

RESIN FILM AND METHOD OF PRODUCING RESIN FILM

A resin film according to an embodiment of the present invention includes: a substrate film; and an antistatic layer formed on one side of the substrate film and including a binder resin and a conductive material. The binder resin includes a polyurethane-based resin; the antistatic layer has an arithmetic average surface roughness Ra of 10 nm or more; and the conductive material includes a conductive polymer. 1forming, on one side of a substrate film, an antistatic layer with a resin composition comprising a polyurethane-based resin and a conductive polymer; andstretching the substrate film,the antistatic layer having an arithmetic average surface roughness Ra of 10 nm or more and 100 nm or less after the stretching.. A method of producing a resin film, comprising: The application is a Divisional of U.S. patent application Ser. No. 13/970,688, filed on Aug. 20, 2013, which is based on Japanese priority application No. 2012-192966 filed on Sep. 3, 2012, the entire contents of which are hereby incorporated by reference.This application claims priority under 35 U.S.C. Section 119 to Japanese Patent Application No. 2012-192966 filed on Sep. 3, 2012, which is herein incorporated by reference.1. Field of the InventionThe present invention relates to a resin film and a method of producing such a resin film.2. Description of the Related ArtA resin film is used in a wide range of applications because it is excellent in processability and a great variety of characteristics can be imparted thereto. For example, the resin film is used as a substrate on which a functional layer appropriate for each of various applications is formed. As a specific example thereof, there is proposed a method of producing a polarizing film, involving: forming a polyvinyl alcohol (PVA)-based resin layer on a resin film; stretching the laminate; and immersing the stretched laminate in a dyeing liquid (e.g., Japanese Patent Application Laid-open No. 2001-343521). According to such method, a polarizing ...

METHOD OF MANUFACTURING AN ACTIVATED COMPOSITE WEB AND AN ACTIVATED COMPOSITE WEB FOR ABSORPTIVE DEVICES

A method of manufacturing an activated composite web includes laminating a film layer to a nonwoven web to form a composite web, forming a plurality of apertured protuberances in the film layer, and passing the composite web through intermeshing elements to form an activated composite web. The intermeshing elements form a plurality of first lanes, with first widths, substantially unaffected by activation, and a plurality of second lanes, with second widths. The second widths are less than the first widths. Portions of the plurality of apertured protuberances define first apertures in the first lanes and second apertures in the second lanes. The cross-sections of the second apertures are larger than the first apertures. The first apertures have their major axes substantially aligned in the first direction while the second apertures have their major axis substantially aligned in the second direction. An activated composite web also is provided. 1. A method of manufacturing an activated composite web , comprising:laminating a film layer to a nonwoven web to form a composite web;forming a plurality of apertured protuberances in the film layer with a pin punching unit; andpassing the composite web through intermeshing elements to form an activated composite web, the intermeshing elements being constructed and arranged to form a plurality of first lanes substantially unaffected by activation aligned in a first direction and having a first width in a second direction substantially perpendicular to the first direction, and a plurality of second lanes aligned in the first direction and having a second width less than the first width in the second direction in the activated composite web,wherein a first portion of the plurality of apertured protuberances forms a plurality of first apertured protuberances having a plurality of corresponding first apertures with first cross-sectional areas, the first apertured protuberances being located in the first lanes, and a second portion ...

Thin film polarizer, method of manufacturing the same, and polarizing plate and display device including the same

A method of manufacturing a thin film polarizer includes forming a film laminate by alternately bonding two or more non-oriented polymer films and two or more non-oriented polyvinyl alcohol-based films to each other using attractive force or an adhesive layer, orienting the film laminate so that the polyvinyl alcohol-based film has a thickness of 10 μm or less after the orienting of the film laminate, and separating the polymer films and the polyvinyl alcohol-based films of the oriented film laminate from each other.

PROCESS FOR PRODUCING A SURFACE COVERING WITH AN EMBOSSED PRINTED SURFACE

A process for producing a surface covering with an embossed printed surface is described. A substrate () is continuously moved through a production line, and this substrate () is first provided, in a printing equipment (), with a printed pattern and thereafter, in an embossing equipment (), with an embossed pattern, which is registered with the printed pattern. The printing equipment () produces the printed pattern in-line with the production of the embossed pattern. During printing in the printing equipment (), the printed pattern is stretched or compressed, dynamically responsive to indicators of misalignments between the printed pattern and the embossed pattern, so as to correct or prevent the misalignments. A production line for carrying out this process is also proposed. 1. A production line for producing a surface covering with an embossed printed surface , said production line comprising:a printing equipment for applying a printed pattern onto a substrate as said substrate is moved in said production line;an embossing equipment downstream of said printing equipment, for providing said substrate with an embossed pattern, which is registered with said printed pattern; andcontrol equipment configured to correct or prevent misalignments between said printed pattern and said embossed pattern, by stretching or compressing said printed pattern relative to the substrate on which the printed pattern is applied, dynamically responsive to real-time indicators of said misalignments.2. The production line as claimed in claim 1 , wherein the substrate remains continuous at least up to the embossing equipment.3. The production line as claimed in claim 1 , further comprising a lamination equipment claim 1 , the lamination equipment located on the production line between the printing equipment and the embossing equipment claim 1 , the lamination equipment being configured to apply a transparent wear layer onto the printed pattern.4. The production line as claimed in claim 1 , ...

Process for producing a surface covering with an embossed printed surface

A process for producing a surface covering with an embossed printed surface is described. A substrate () is continuously moved through a production line, and this substrate () is first provided, in a printing equipment (), with a printed pattern and thereafter, in an embossing equipment (), with an embossed pattern, which is registered with the printed pattern. The printing equipment () produces the printed pattern in-line with the production of the embossed pattern. During printing in the printing equipment (), the printed pattern is stretched or compressed, dynamically responsive to indicators of misalignments between the printed pattern and the embossed pattern, so as to correct or prevent the misalignments. A production line for carrying out this process is also proposed. 1. A process for producing a surface covering with an embossed printed surface , wherein a substrate is continuously moved through a production line , and said substrate is first provided with a printed pattern and thereafter with an embossed pattern , which is to be registered with said printed pattern; a printing equipment is used in said production line to produce said printed pattern in-line with the production of said embossed pattern; and', 'during printing in said printing equipment, said printed pattern is stretched or compressed, dynamically responsive to indicators of misalignments between said printed pattern and said embossed pattern, so as to correct or prevent said misalignments., 'characterized in that'}2. The process as claimed in claim 1 , wherein said printing equipment is a digital printing equipment claim 1 , and said printed pattern is stretched or compressed by controlling said digital printing equipment.3. The process as claimed in claim 2 , wherein said printed pattern is stretched claim 2 , respectively compressed claim 2 , by up-scaling claim 2 , respectively down-scaling claim 2 , in real-time at least a part of a digitally recorded image of said pattern to be printed ...

Fabrication Method of Functional Micro/Nano Structures over Large-area, Flexible and High Curvature Surfaces, by Drawing a Fiber from a Preform

The method for drawing a fiber with a textured surface comprises the following steps: —forming of a preform from which the fiber is to be drawn with a textured surface; —addition of an outer layer to the textured preform to preserve the shape of the texture of the preform surface during the drawing operation; —drawing of a fiber from the preform, whereby the fiber keeps the formed texture of the preform surface and—removing the additional outer layer to leave the original surface textured fiber exposed. The obtained fiber can be used as a mold to form a textured hollow channel in another material, as a surface coating and as a pressure detector. 120-. (canceled)21: A method for drawing a fiber with a textured surface comprising the steps of:forming a preform with a textured surface from which a fiber is to be drawn;adding an outer layer to the preform to preserve a shape of the textured surface;drawing the fiber from the preform such that the fiber keeps the formed textured surface of the preform by virtue of the outer layer; andremoving the added outer layer to leave an original surface textured fiber exposed.22: The method as defined in claim 21 , wherein the step of removing the additional layer includes at least one of a mechanical process and a chemical etching process.23: The method as defined in claim 21 , wherein the preform is textured using at least one of a photolithography process claim 21 , a hot-embossing process claim 21 , and a solution/film casting process.24: The method as defined in claim 21 , wherein the preform is made of a polymer.25: The method as defined in claim 24 , wherein the polymer forming the preform includes at least one of a polycarbonate claim 24 , a poly(methyl methacrylate) PMMA claim 24 , and a polysulfone.26: The method as defined in claim 24 , wherein the polymer forming the preform is a polymer composite.2720: The method as defined in claim claim 24 , wherein the outer layer includes a polymer.2820: The method as defined in ...

POLYMER FILM AND PREPARATION METHOD THEREOF

Embodiments relate to a polymer film that is excellent in folding characteristics and transparency and maintains excellent mechanical properties even after repeated elongation and shrinkage in the elastic region, a process for preparing the same, and a front panel and a display device comprising the same. The polymer film comprises a polymer resin selected from the group consisting of a polyamide-based resin and a polyimide-based resin and has an MORof Equation A of 2% or less. 2. The polymer film for a display of claim 1 , which has a dMOof the following Equation B of 0.18 GPa or less:{'br': None, 'sub': '0/9', 'dMO(GPa)=|MO0−MO9|\u2003\u2003[Equation B]'}{'b': 0', '9, 'in Equation B, MO refers to the initial modulus, and MO refers to the modulus measured after elongation and shrinkage are repeated 9 times wherein each elongation is 2%.'}3009. The polymer film for a display of claim 1 , wherein when the initial modulus is MO claim 1 , and the modulus measured after elongation and shrinkage are repeated n times wherein each elongation is 2% is MOn claim 1 , the standard deviation in modulus calculated based on a total of 10 values claim 1 , MO to MO claim 1 , is 0.06 GPa or less.409. The polymer film for a display of claim 1 , which has an initial modulus (MO) of 5.0 GPa or more claim 1 , and a modulus (MO) of 5 GPa or more when measured after elongation and shrinkage are repeated 9 times wherein each elongation is 2%.6. The polymer film for a display of claim 1 , wherein the polymer resin comprises an imide-based repeat unit and an amide-based repeat unit claim 1 , and the polymer film has an MPA of the following Equation D of 2% or less:{'br': None, 'sub': '0/9', 'MPA (%)=MOR/AM\u2003\u2003[Equation D]'}in Equation D, AM stands for the number of moles of the amide-based repeat unit when the total number of moles of the imide-based repeat unit and the amide-based repeat unit in the film is 1.7. The polymer film for a display of claim 1 , which has a transmittance ...

Method for producing optical film laminate including thin high-performance polarizing film

【課題】 連続ウェブの非晶性エステル系熱可塑性樹脂基材に製膜された二色性物質を配向させたＰＶＡ系樹脂からなる、単体透過率Ｔと偏光度Ｐとで表される光学特性値が一定水準にある薄型高機能偏光膜を含む光学フィルム積層体の製造方法を提供する。 【解決手段】 非晶性エステル系熱可塑性樹脂基材と該非晶性エステル系熱可塑性樹脂基材に製膜されたポリビニルアルコール系樹脂層とを含む積層体に対する空中高温延伸によって、配向させたポリビニルアルコール系樹脂層からなる延伸中間生成物を含む延伸積層体を生成する工程と、延伸積層体に対する二色性物質の吸着によって、二色性物質を配向させたポリビニルアルコール系樹脂層からなる着色中間生成物を含む着色積層体を生成する工程と、着色積層体に対するホウ酸水溶液中における延伸によって、二色性物質を配向させたポリビニルアルコール系樹脂からなる薄型高機能偏光膜を含む光学フィルム積層体を生成する工程と、を含む。 【選択図】 図９ PROBLEM TO BE SOLVED: To provide an optical characteristic expressed by a single transmittance T and a degree of polarization P, which is made of a PVA resin obtained by orienting a dichroic material formed on an amorphous ester thermoplastic resin substrate of a continuous web. Provided is a method for producing an optical film laminate including a thin high-functional polarizing film having a constant value. SOLUTION: Oriented polyvinyl by high temperature stretching in the air with respect to a laminate including an amorphous ester thermoplastic resin substrate and a polyvinyl alcohol resin layer formed on the amorphous ester thermoplastic resin substrate. A colored intermediate comprising a polyvinyl alcohol-based resin layer in which a dichroic substance is oriented by adsorbing the dichroic substance to the stretched laminated body by producing a stretched laminate including a stretched intermediate product comprising an alcohol-based resin layer An optical film laminate including a thin high-performance polarizing film made of a polyvinyl alcohol-based resin in which a dichroic material is oriented by producing a colored laminate containing a product and stretching the colored laminate in an aqueous boric acid solution Generating. [Selection] Figure 9

Polarizing film, optical film laminate including polarizing film, and stretched laminate for use in manufacturing optical film laminate including polarizing film

【課題】光学特性の高い薄型偏光膜及びその製造方法を提供する。 【解決手段】連続ウェブの非晶性エステル系熱可塑性樹脂基材に製膜された二色性物質を配向させたＰＶＡ系樹脂からなる厚みが１０μｍ以下の薄型高機能偏光膜であって、単体透過率Ｔと偏光度Ｐからなる光学特性値が、以下の不等式、Ｐ＞−（１０ ０．９２９Ｔ−４２．４ −１）×１００（ただし、Ｔ＜４２．３）およびＰ≧９９．９（ただし、Ｔ≧４２．３）によって表される範囲にある薄型高機能偏光膜である。薄型高機能偏光膜の単体透過率Ｔと偏光度Ｐからなる光学特性値がこの不等式によって表される範囲は、大型表示素子を用いた液晶テレビ用のディスプレイとして求められる性能である。 【選択図】図９ A thin polarizing film having high optical properties and a method for manufacturing the same are provided. A thin high-functional polarizing film having a thickness of 10 μm or less, comprising a PVA-based resin obtained by orienting a dichroic material formed on an amorphous ester-based thermoplastic resin substrate of a continuous web. The optical characteristic value consisting of the transmittance T and the polarization degree P has the following inequalities: P> − (10 0.929T−42.4 −1) × 100 (where T <42.3) and P ≧ 99.9. However, it is a thin high-functional polarizing film in a range represented by T ≧ 42.3. The range in which the optical characteristic value consisting of the single transmittance T and the polarization degree P of the thin high-functional polarizing film is represented by this inequality is the performance required for a liquid crystal television display using a large display element. [Selection] Figure 9

Polarizing film, optical film laminate including polarizing film, and method for producing the same

【課題】偏光膜および該偏光膜を含む光学フィルム積層体を提供する。 【解決手段】連続ウェブの結晶性エステル系熱可塑性樹脂基材１と、該結晶性エステル系熱可塑性樹脂基材に製膜された二色性物質を配向させたポリビニルアルコール系樹脂からなる偏光膜３とを含む光学フィルム積層体１０であって、偏光膜は、結晶性エステル系熱可塑性樹脂基材に製膜されたポリビニルアルコール系樹脂層７を含む積層体が空中補助延伸とホウ酸水中延伸とからなる２段延伸工程で延伸されることにより、１０μｍ以下の厚みにされたものであり、かつ、単体透過率をＴ、偏光度をＰとしたとき、Ｐ＞―（１０ ０．９２９Ｔ―４２．４ ―１）×１００（ただし、Ｔ＜４２．３）およびＰ≧９９．９（ただし、Ｔ≧４２．３）の条件を満足する光学特性を有するようにされたものであることを特徴とする光学フィルム積層体である。 【選択図】図９ A polarizing film and an optical film laminate including the polarizing film are provided. A polarizing film comprising a continuous ester crystalline ester thermoplastic resin substrate 1 and a polyvinyl alcohol resin in which a dichroic material formed on the crystalline ester thermoplastic resin substrate is oriented. 3 is an optical film laminate 10 including a polyvinyl alcohol resin layer 7 formed on a crystalline ester thermoplastic resin base material, and a laminate including an air auxiliary stretch and a boric acid aqueous stretch. When the single transmittance is T and the polarization degree is P, P> − (10 0.929 T− 42.4−1 ) × 100 (where T <42.3) and P ≧ 99.9 (where T ≧ 42.3). Optical film lamination It is. [Selection] Figure 9

Polarizing film, Polarizer, method for preparing the polarizing film and organic light emitting device comprising the polarizer

편광 필름, 편광판, 상기 편광 필름의 제조 방법 및 상기 편광판을 포함한 유기 발광 장치가 제공된다. A polarizing film, a polarizing plate, a method for producing the polarizing film, and an organic light emitting device including the polarizing plate are provided.

Polarizing film, optical film laminate comprising polarizing film, and stretched laminate for manufacturing the same

두께가 10㎛ 이하의 광학 특성이 높은 편광막을 제공한다. 2색성 물질을 배향시킨 폴리비닐 알코올계 수지로 이루어지는 연속 웹의 편광막이며, 폴리비닐 알코올계 수지층을 포함하는 적층체가 연신됨으로써, 10㎛ 이하의 두께로 되고 있고, 또한, 단체 투과율을 T, 편광도를 P로 했을 때, P＞―(10 0.929T-42.4 －1)×100(단, T＜42.3), 및 P≥99.9(단, T≥42.3) 의 조건을 만족하는 광학 특성을 가지도록 된 것이다. 이 편광막은, 비정성 에스테르계 열가소성 수지기재에 제막된 폴리비닐 알코올계 수지층을 포함하는 적층체를 공중 보조 연신과 붕산수중 연신으로 이루어지는 2단 연신 공정에서 연신함으로써 제조할 수 있다. Provided is a polarizing film having a high optical property with a thickness of 10 μm or less. It is a polarizing film of the continuous web which consists of polyvinyl alcohol-type resin in which the dichroic substance was orientated, and it becomes thickness of 10 micrometers or less by extending | stretching the laminated body containing a polyvinyl alcohol-type resin layer, When single transmittance is T and polarization is P, P>-(10 0.929T-42.4-1 ) × 100 (where T <42.3), and P≥99.9 (where T≥42.3) It is to have an optical characteristic satisfying the conditions of. This polarizing film can be manufactured by extending | stretching the laminated body containing the polyvinyl alcohol-type resin layer formed into the amorphous ester-type thermoplastic resin base material by the two-step extending process which consists of air auxiliary extension and extending | stretching in boric acid water.

Optical display device

편광막이 다소의 결점을 가지는 경우여도, 휘점이 인식되기 어려운 광학적 표시장치를 제공하는 것을 목적으로 한다. 표시 패널과, 표시 패널에 대해 시인측에 배치된 폴리비닐 알코올계 수지층을 가지는 적어도 1개의 편광막을 포함하고, 표시 패널의 측으로부터 편광막에 입사하는 편광에 관해서 크로스니콜의 관계를 형성하는 광학적 배치를 갖춘 광학적 표시장치이다. 편광막은, 두께가 10㎛ 이하이며, 수지기재상에 폴리비닐 알코올계 수지층을 제막하는 공정, 폴리비닐 알코올계 수지층을 수지기재와 일체로 연신하는 공정 및 폴리비닐 알코올계 수지층을 이색성 물질로 염색하는 염색공정을 포함한 방법으로 제작된 것이며, 또한, 광학적 표시장치에 있어서, 편광막의 제작시에 수지기재에 제막되고 있던 면을 표시 패널과는 반대의 측을 향한 상태에서 배치되어 있다. And it is an object of the present invention to provide an optical display device in which a bright spot is hardly recognized even when a polarizing film has some defects. A polarizing film having at least one polarizing film having a display panel and a polyvinyl alcohol-based resin layer disposed on the viewer side with respect to the display panel, wherein the polarizing film is optically Is an optical display device having an arrangement. The polarizing film has a thickness of 10 mu m or less and includes a step of forming a polyvinyl alcohol-based resin layer on a resin material, a step of integrally stretching the polyvinyl alcohol-based resin layer to a resin substrate and a step of forming a polyvinyl alcohol- And a dyeing step of dying the material. In the optical display device, the surface of the resin substrate which is formed at the time of manufacturing the polarizing film is disposed so as to face the side opposite to the display panel.

Oriented hdpe films with skin layers

Readily castable high density polyethylene (HDPE) films, preferably containing broad molecular weight distribution HDPE resin having treated upper skin layers and untreated lower skin layers, preferably coextruded, on each side. The treated upper skin layer is derived from a polymer, e.g. ethylene-propylene-butene-1 terpolymer, and the lower skin layer is derived from a polymer such as ethylene-propylene-butene-1 terpolymer and LDPE compounded with silicone oil. Such skin layers provide a film which is readily castable while maintaining the desirable properties of HDPE including dead fold, twist retention, TD tear and moisture barrier. The films are cast, and oriented in the solid state up to about two times in the machine direction and six times or more in the transverse direction to give films having good dead-fold characteristics making them highly suited for packaging, particularly for dry foods.

Verfahren zur herstellung von warmverschweissbaren und nicht faserbildenden polyolefinfilmen

Process for producing polyester film, polyester film, and solar cell backsheet

결정 융해 전 피크(Tm')의 온도 분포가 1℃ 이상 10℃ 이하인 폴리에스테르 수지를 사용하여 말단 카르복실산기량(AV)이 3eq/ton 이상 20eq/ton 이하인 폴리에스테르 필름 기재를 제작하고, 상기 폴리에스테르 필름 기재의 적어도 편면에 도포층을 형성하고, 도포층을 형성한 폴리에스테르 필름 기재를 적어도 1회 연신하는 폴리에스테르 필름의 제조 방법. A polyester film base having a terminal carboxylic acid group amount (AV) of not less than 3 eq / ton and not more than 20 eq / ton was produced by using a polyester resin having a temperature distribution of peak melting point (Tm ') of not less than 1 ° C and not more than 10 ° C, A method for producing a polyester film, comprising the steps of forming a coating layer on at least one side of a polyester film base material and stretching the polyester film base material having the coating layer formed thereon at least once.

Multi-component composite membrane and method for preparing the same

The present invention relates to a multi-component composite separate membrane and a method for preparing the same, and to a multi-component composite membrane comprising a support layer and active layers, wherein the support layer is located between the active layers.

Oriented HDPE films with metallized skin layer

Process for the production of coated, biaxially oriented polyester films

Polarizing film, optical film laminate comprising polarizing film and stretched laminate for manufacturing the same

本发明提供一种偏振膜及包含该偏振膜的光学膜叠层体。所述光学膜叠层体包含连续带状的由结晶性酯类热塑性树脂形成的基体材料、和成膜在所述基体材料上的偏振膜，所述偏振膜由聚乙烯醇类树脂形成，在所述偏振膜中，二色性物质发生了取向，其中，所述偏振膜的厚度为10μm以下，且在将单体透射率设为T、将偏振度设为P时，所述偏振膜具有满足下述条件的光学特性：P＞-(10 0.929T-42.4 -1)×100(其中，T＜42.3)，及P≥99.9(其中，T≥42.3)，所述偏振膜通过由气体氛围中的辅助拉伸和硼酸水溶液中拉伸构成的2阶段拉伸而形成。

Film coating methol and apparatus

Heat sealable polyolefin films and sheeting

A polyolefin film which may take the form of a coating on paper has adhered thereto a heat-sealable layer of a polyolefin with a lower melting point than that of the polyolefin film. The film is prepared by applying the layer to or forming the layer on at least one surface of the film e.g. by the application thereto of the lower melting point polyolefin as a solution in a solvent, an aqueous dispersion which is thereafter heated to provide a coating of between 0,2 and 4,0 gm. per square metre, a hot melt the temperature of which may be greater than its gelation temperature, or as a fine dry powder which is thereafter fused. The layer of lower melting point polyolefin may be applied to one surface of the film and thereafter compression rolled. The compression rolling may be sufficient to reduce the thickness of the film to between one-half and one-tenth of its original thickness. The polyolefins may be polymers or copolymers of a -olefins having between 2 and 10 carbon atoms e.g. ethylene or propylene, degraded polyethylene or oxidized degraded polyethylene, and may contain a thermosetting resin such as phenol-formaldehyde. The coatings may be applied, for example, by dipping, kiss-roll, air knife or spreader-bar. The surface of the low melting point polyolefin which remains exposed may be subjected to a corona discharge or flame treatment to improve the surface for printing, or subsequent coating with photographic gelatin emulsions or emulsions of metal oxides in the production of magnetic tapes.

Nouvelle feuille de polyoléfine soudable à chaud, ses applications et sa fabrication

COATED HDPE FILM AND ITS METHOD OF MANUFACTURE

본 발명은 (a) 밀도가 0.960 또는 그 이상인 HDPE 50중량% 이상을 포함하는 양축으로 배향된 고밀도 폴리 에틸렌(HDPE) 필름; 및 (b) 비닐리덴 클로라이드의 단독- 또는 중합체; 아크릴산의 단독- 또는 공-중합체; 또는 폴리비닐 알콜 중합체(PVOH)로부터 유도되는 피복물을 포함하는 피복된 필름 조성물 및 이의 제조 방법에 관한 것이다.

Polarizing coating, optical film laminate containing polarizing coating and stretch laminate body

本发明提供厚度为10μm以下的高光学特性的偏振膜。其是二色性物质发生了取向的由聚乙烯醇类树脂形成的连续带状偏振膜，其中，所述偏振膜是由包含聚乙烯醇类树脂层的叠层体经拉伸而形成的厚度为10μm以下的偏振膜，并且，单体透射率为T、偏振度为P时，所述偏振膜具有满足下述条件的光学特性：P＞-(10 0.929T-42.4 -1)×100(其中，T＜42.3)以及P≥99.9(其中，T≥42.3)。该偏振膜可通过利用由气体氛围中的辅助拉伸与硼酸水溶液中拉伸构成的2阶段拉伸工序对包含成膜在非晶性酯类热塑性树脂基体材料上的聚乙烯醇类树脂层的叠层体进行拉伸而制造。

Process of producing a polarizer, polarizer, polarizing plate, and visual display

본 발명은 편광자 및 그의 제조방법, 상기 편광자를 사용한 편광판 및 상기 편광판을 사용한 화상 표시장치에 관한 것이다. 본 발명의 편광자는 높은 편광도 및 투과율을 갖는 폴리비닐 알콜계 필름으로 이루어지며, 미연신 폴리비닐 알콜 필름을 4배 이하의 연신 배율로 일축 건식 연신 처리하는 단계, 필름을 염색하는 단계, 및 이어서 필름을 붕소 화합물을 함유하는 조건하에서 1.5배 미만의 연신 배율로 일축 연신 처리를 실시하는 단계를 포함하는 제조방법에 의해 제조된다. The present invention relates to a polarizer, a method of manufacturing the same, a polarizer using the polarizer, and an image display device using the polarizer. The polarizer of the present invention is made of a polyvinyl alcohol-based film having a high degree of polarization and transmittance, uniaxial dry stretching the unstretched polyvinyl alcohol film at a draw ratio of 4 times or less, dyeing the film, and then The film is prepared by a manufacturing method comprising the step of performing a uniaxial stretching treatment at a draw ratio of less than 1.5 times under conditions containing a boron compound.

Patent JPH0220417B2

Method for producing gas barrier film

본 발명에서는 산소 차기성이 우수하며 수분에 의해 거의 영향을 받지 않는 차기성 필름의 제조 방법이 제공된다. 본 방법은 탄소수가 4 이하인 α-올레핀 단위를 19몰% 이하로 함유하는 폴리비닐 알코올을 기판 필름상으로 압출시키고, 이를 3배 이상 신장시킨 다음 120℃ 이상의 온도에서 가열 처리하는 것을 포함한다. In the present invention, there is provided a process for producing a film which is excellent in oxygen-absorbing property and which is hardly affected by moisture. The method includes extruding polyvinyl alcohol containing not more than 19% by mole of an? -Olefin unit having 4 or less carbon atoms onto a substrate film, stretching the polyvinyl alcohol by 3 times or more, and then heat-treating at 120 ° C or more.

Process for producing polarizing film, polarizing film obtained thereby and image display apparatus utilizing the same

폭이 넓은 원반 필름을 사용하더라도, 광학 특성이 우수하면서, 면내의 광학 특성이 균일한 편광 필름을 제조할 수 있는 편광 필름의 제조 방법을 제공한다. 폴리머 필름을 염색하는 염색 공정, 염색된 상기 필름을 연신하는 연신 공정 및 상기 양 공정에 의해 처리된 상기 필름을 롤에 의해 반송하면서 건조시키는 건조 처리 공정을 갖는 편광 필름의 제조 방법의 상기 건조 처리 공정에서, 상기 롤은 2 개 이상이며, 서로 이웃하는 상기 롤간의 거리 (R) 와, 상기 폴리머 필름의 초기의 폭 (W) 과의 비 (R/W) 를 0.5 이상 4.0 이하로 설정하는 조건으로 건조 처리한다. Even if a wide disc film is used, it provides the manufacturing method of the polarizing film which can manufacture the polarizing film which is excellent in an optical characteristic and uniform in-plane optical characteristic. The drying treatment step of the method for producing a polarizing film, which has a dyeing step of dyeing a polymer film, an extending step of stretching the dyed film and a drying treatment step of drying the conveyed film by the both processes with a roll. In which the rolls are two or more, and the conditions (R / W) between the distance (R) between the adjacent rolls and the initial width (W) of the polymer film are set to 0.5 or more and 4.0 or less. To dry. 편광 필름, 화상 표시 장치 Polarizing film, image display device

Process for preparation of oriented multilayer laminate film

A process for the preparation of an oriented multilayer laminate film having at least three layers, said method including: (a) extruding in a molten state (i) polypropylene selected from a homopolymer or a copolymer of propylene wherein said copolymer comprises an alkene monomer having 2 or 4-6 carbons; (ii) adhesive; and (iii) co-polyester of a polyesterification reaction product where the reactants are at least one glycol and at least one dibasic acid with the total reactants being at least three of the glycols and dibasic acids, (b) laminating (i), (ii) and (iii) together in the molten state to form the film; (c) cooling the film; (d) drawing the film in a temperature range that allows orienting without breaking; and (e) heat setting the oriented film.

Polymeric film

Method for manufacturing optical film laminate including polarizing film

연속 웹의 비정성 에스테르계 열가소성 수지기재에 제막된 이색성 물질을 배향시킨 PVA계 수지로 이루어지는, 단체 투과율 T와 편광도 P로 나타내는 광학 특성치가 일정 수준에 있는 편광막을 포함하는 광학 필름 적층체의 제조 방법을 제공한다. 비정성 에스테르계 열가소성 수지기재와 상기 비정성 에스테르계 열가소성 수지기재에 제막된 폴리비닐 알코올계 수지층을 포함하는 적층체에 대한 공중 고온 연신에 의해, 배향시킨 폴리비닐 알코올계 수지층으로 이루어지는 연신 중간 생성물을 포함하는 연신 적층체를 생성하는 공정과, 연신 적층체에 대한 이색성 물질의 흡착에 의해, 이색성 물질을 배향시킨 폴리비닐 알코올계 수지층으로 이루어지는 착색 중간 생성물을 포함하는 착색 적층체를 생성하는 공정과, 착색 적층체에 대한 붕산 수용액 중에 있어서의 연신에 의해, 이색성 물질을 배향시킨 폴리비닐 알코올계 수지로 이루어지는 편광막을 포함하는 광학 필름 적층체를 생성하는 공정을 포함한다. Of an optical film laminate comprising a polarizing film having optical properties represented by a single transmittance T and a degree of polarization P at a constant level, consisting of a PVA-based resin in which a dichroic substance formed into an amorphous ester-based thermoplastic resin substrate of a continuous web is oriented. It provides a manufacturing method. Stretching intermediate | middle consisting of the polyvinyl alcohol-type resin layer oriented by air high temperature drawing with respect to the laminated body containing an amorphous ester-type thermoplastic resin base material and the polyvinyl alcohol-type resin layer formed into the said amorphous ester type thermoplastic resin base material. A colored laminate comprising a colored intermediate product comprising a step of producing a stretched laminate comprising a product and a polyvinyl alcohol-based resin layer in which the dichroic substance is oriented by adsorption of the dichroic substance to the stretched laminate. The process of producing and the process of producing the optical film laminated body containing the polarizing film which consists of polyvinyl alcohol-type resin which orientated a dichroic substance by extending | stretching in the boric acid aqueous solution with respect to a colored laminated body are included.

HdPE films with imbalanced biaxial orientation

High density polyethylene films, preferably containing blends of HDPE resins or microcrystalline wax, are oriented to a deformation ratio of about 2 in the machine direction and about six or more in the transverse direction to give films having good dead-fold and water vapor transmission characteristics making them highly suited for packaging, particularly for dry foods when coated with or coextruded with a heat sealable layer, e.g. an ionomer.

Process of applying a silicone release coating to an oriented polymer film

A process is disclosed for making an oriented polymer film product which comprises: (a) applying a solventless, curable silicone release composition to an extrudable, orientable polymer; (b) extruding the polymer as a sheet or film; (c) orienting the sheet or film such that curable silicone release composition migrates to at least one surface of the sheet or film forming a substantially continuous layer thereon; and (d) subjecting the oriented sheet or film to silicone-curing conditions whereby said curable silicone release composition forms a substantially continuous release layer thereon.

Multilayer oriented film containing polypropylene and co-polyester

An oriented film laminate, suitable for use in the food packaging industry, having layers of a homopolymer of propyl­ene or a copolymer of propylene, a co-polyester layer, and an adhesive layer of a polar-modified polyolefin located between and bonded to the polypropylene and co-polyester layers, and a method for making it are disclosed.

Process for making coated polypropylene film

A process for producing thermoplastic film which is an antifogging, heat-sealable polypropylene film; the antifogging agent is a polyglycerol ester or a sorbitan ester of a fatty acid. The resultant film, which has good clarity, persistent antifogging characteristics, and excellent heat sealability, is useful for packaging refrigerated foods. The disclosure also provides a process for making the film in which the polypropylene-containing thermoplastic resin is extruded into a sheet with subsequent orientation of said sheet in the longitudinal direction to form a monoaxially oriented film; the film is then oriented in the transverse direction.

HIGH DENSITY POLYETHYLENE (HDPE) FILMS WITH DIFFERENTIATED BIAXIAL ORIENTATION.

PELICULAS DE POLIETILENO DE ALTA DENSIDAD, CONTENIENDO PREFERIBLEMENTE MEZCLAS DE RESINAS HDPE O CERA MICROCRISTALINA SE ORIENTAN PARA UNA RELACION DE DEFORMACION SOBRE 2 EN LA DIRECCION DE LA MAQUINA, Y SOBRE 6 O MAS EN LA DIRECCION TRANSVERSAL PARA DAR PELICULAS QUE TENGAN UNAS BUENAS CARACTERISTICAS DE PLEGADO Y CARACTERISTICAS DE TRANSMISION DE VAPOR DE AGUA HACIENDOLAS A ESTAS MUY CONVENIENTES PARA CUANDO SE RECUBREN CON UNA CAPA HERMETICA AL CALOR POR EJEMPLO UN IONOMERO. HIGH DENSITY POLYETHYLENE FILMS, PREFERABLY CONTAINING MIXTURES OF HDPE RESINS OR MICROCRYSTALLINE WAX ARE ORIENTED FOR A RATIO OF DEFORMATION OVER 2 IN THE MACHINE DIRECTION, AND ABOUT 6 OR MORE IN THE CROSS-DIRECTING TO GIVE PELICULAS TANKS THAT GIVE THEM FOLDING AND WATER VAPOR TRANSMISSION CHARACTERISTICS MAKING THESE VERY SUITABLE FOR WHEN COVERED WITH A HEAT-TIGHT COAT, FOR EXAMPLE, AN IONOMER.

Hdpe films with imbalanced biaxial orientation

내용없음. None.

Thermo-shrinkable polyester mono-layer film

본 발명은 열수축성 폴리에스테르계 단층 필름에 관한 것으로, 수축성이 우수하고 유색을 띠어 인쇄가공후 미려한 외관을 나타낼 수 있어 종이 재질의 라벨을 대체할 수 있으며 열수를 이용하여 박리가 용이하여 공병의 재활용에 기여할 수 있는 라벨용 필름으로 유용한 열수축성 폴리에스테르계 단층 필름을 개시한다. The present invention relates to a heat-shrinkable polyester single layer film, which has excellent shrinkage and color, and can have a beautiful appearance after printing, can replace paper labels, and can be easily peeled off using hot water to recycle empty bottles. A heat shrinkable polyester based monolayer film useful as a film for labels that can contribute to the present invention.

POLARIZING FILM, OPTICAL FILM LAMINATE CONTAINING POLARIZING FILM, EXTENDED LAMINATE FOR USE IN MANUFACTURING OPTICAL FILM LAMINATE CONTAINING POLARIZING FILM, MANUFACTURING METHOD THEREOF, AND ORGANIC EL DISPLAY DEVICE HAVING POLARIZING FILM

Oriented HDPE films with skin layers

易被铸塑的高密度聚乙烯(HDPE)膜，最好含分子量分布范围宽的HDPE树脂，在每个表面(最好共挤压)有经处理的上表层和未经处理的下表层。经处理的上表层由聚合物(如乙烯—丙烯—丁烯—1三聚物)制得，下表层通过一种聚合物(诸如乙烯—丙烯—丁烯—1三聚物和LDPE)与硅油结合而成。这种表层使得膜在保持所要求的HDPE性能(包括皱褶性、扭曲保持性、横向撕裂、防湿性)的同时具有易被铸塑的性能。该膜在固态下进行铸塑并取向至纵向约二倍、横向约六倍或更大，使膜具有良好的皱褶性并高度适合于包装、特别是食品包装。

Optical display device having polarizing film

두께가 10㎛이하의 광학 특성의 높은 편광막을 사용한 광학적 표시장치를 제공한다. 광학적 표시장치는, 2색성 물질을 배향시킨 폴리비닐 알코올계 수지로 구성되는 연속 웹의 편광막이며, 연신되는 것으로, 10㎛이하의 두께로 된 것이며, 또한, 단체 투과율을 T, 편광도를 P로 했을 때, P＞―(10 0.929T―42.4―1) X 100(단, T＜42.3), 및 P≥99.9(단, T≥42.3) 조건을 만족하는 광학 특성을 가지도록 구성된 편광막을 갖추는 것이다. 이 편광막은, 비정성 에스테르계 열가소성 수지기재에 제막된 폴리비닐 알코올계 수지층을 포함한 적층체를 공중 보조 연신과 붕산 수중 연신으로 구성되는 2단 연신 공정으로 연신하는 것으로써 제조할 수 있다.

Polarizing film, optical film laminate including polarizing film, stretched laminate for use in production of optical film laminate including polarizing film, production methods for them, and organic EL display device having polarizing film

Provided is a continuous web of polarizing film for an organic EL display device which has a thickness of 10 µm or less and exhibits high optical characteristics. The polarizing film for an organic EL display device is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 pm or less and exhibit optical characteristics satisfying the following conditions: T ≥ 42.5; and P ≥ 99.5, wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film for an organic EL display device may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the substrate, to 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Thin polarizing film, optical laminate with thin polarizing film, and production method for thin polarizing film

A thin polarizing film with little environmental impact and excellent optical characteristics is provided. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer (12) on top of a thermoplastic resin substrate (11) and has a thickness of 10 µm or less, a unit transmittance of 42.0% or more, a degree of polarization of 99.95% or higher, and an iodine content measured by ion chromatography of 17.6g/(400 mm x 700 mm□)or less.

Optical display device

[OBJECT] It is an object of the present invention to provide an optical display device capable of, even if a polarizing film has some defects, minimizing visual recognizability of a bright point. [SOLUTION] Provided is an optical display device which comprises a display panel, and at least one polarizing film including a polyvinyl alcohol-based resin layer disposed on a viewing side with respect to the display panel, and having an optical arrangement forming a cross-Nicol relationship with regard to polarized light entering the polarizing film from the side of the display panel. The polarizing film is produced to have a thickness of 10 µm or less, by a method comprising the steps of: forming a polyvinyl alcohol-based resin layer on a resin substrate; stretching the polyvinyl alcohol-based resin layer integrally with the resin substrate; and dyeing the polyvinyl alcohol-based resin layer using a dichroic material. The polarizing film is disposed in the optical display device in a state in which a surface of the polarizing film as a contact surface with the resin substrate during the production thereof is oriented toward a side opposite to the display panel.

Method of producing thin polarizing film involving in-air stretching, underwater stretching, and stretching while drying

A method of producing a thin polarizing film having an excellent polarization degree includes, forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate to prepare a laminate, subjecting the laminate to underwater stretching in an aqueous solution of boric acid and stretching the laminate while drying the laminate after the underwater stretching.

Manufacturing method of thin polarizing film

Method for producing polarizing laminated film and method for producing polarizing plate

Thin polarizer, manufacturing method thereof, polarizing plate and display device comprising the same

본 발명은 적어도 2 이상의 미연신 고분자 필름과, 적어도 2 이상의 미연신 폴리비닐알코올계 필름을 인력 또는 접착제층을 매개로 교대로 부착하여 필름 적층체를 형성하는 단계, 연신 후 폴리비닐알코올계 필름의 두께가 10㎛ 이하가 되도록 상기 필름 적층체를 연신하는 단계 및 상기 연신된 필름 적층체의 고분자 필름과 폴리비닐알코올계 필름을 분리시키는 단계를 포함하는 박형 편광자 제조방법에 관한 것이다.

Optical display device having polarizing film

Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 0.929T-42.4 −1)×100 (where T<42.3); and P≧99.9 (where T≧42.3), wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate to by 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Optical display having polarizing film

Provided is an optical display device using a polarizing film which has a thickness of 10 µm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 µm or less and satisfy conditions expressed by the following formulas: P > - (10 0.929T-42.4 - 1) x 100 (where T < 42.3); and P ‰¥ 99.9 (where T ‰¥ 42.3), wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate to by 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Polarizing film, optical film laminate comprising polarizing film, and stretched laminate for manufacturing the same

[Objects] To provide polarizing film with superior optical properties and having a thickness of 10µm or less [Means for accomplishing the Objects] A polarizing film in the form of a continuous web is disclosed. The polarizing film comprises a polyvinyl alcohol (PVA) type resin having a dichroic material impregnated therein. The polarizing film is formed by stretching the PVA type resin, such that the thickness of the polarizing film is decreased to 10µm or less, and. The polarizing film has optical properties which satisfy conditions represented by formulae: P > -(10 0.929T-42.4 - 1) × 100 (where T < 42.3); and P≥ 99.9 (where T ≥ 42.3) where T represents a single layer transmittance and P a polarization rate. The polarizing film can be made by providing a laminate comprising a PVA type resin layer formed on a non-crystallizable ester type thermoplastic resin substrate, and subjecting the laminate to a 2-stage stretching process comprised of a preliminary in-air stretching and an in-boric-acid-solution stretching.

Method for manufacturing optical film laminate including polarizing film

To provide a method for manufacturing an optical film laminate including a polarizing film comprising polyvinyl alcohol type resin formed on a non-crystallizable ester type thermoplastic resin substrate in the form of a continuous web and having a dichroic material impregnated therein in an oriented state, the polarizing film having optical properties defined in terms of a single layer transmittance T and a polarization rate P of a specific level. [Means for accomplishing the Objects] The method comprises processes of subjecting a laminate comprising the non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the non-crystallizable ester type thermoplastic resin substrate to an elevated temperature in-air stretching to form a stretched laminate comprising a stretched intermediate consisting of a molecularly oriented polyvinyl alcohol type resin, impregnating the dichroic material in the stretched laminate to form a dyed laminate including a dyed intermediate comprising a polyvinyl alcohol type resin layer having the dichroic material impregnated therein in an oriented state, and stretching the dyed laminate in boric acid solution to form an optical film laminate including a polarizing film comprising the polyvinyl alcohol type resin having the dichroic material impregnated therein in an oriented state.

Organic electroluminescent display device having a polarizing film

Provided is a continuous web of polarizing film for an organic EL display device which has a thickness of 10 µm or less and exhibits high optical characteristics. The polarizing film for an organic EL display device is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 µm or less and exhibit optical characteristics satisfying the following conditions: T ≥ 43; and P ≥ 99.5, wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film for an organic EL display device may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the substrate, to 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Optical display device having polarizing film

Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 0.929T-42.4 −1)×100 (where T<42.3); and P≧99.9 (where T≧42.3), wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate to by 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Polarizing film for an organic electroluminescent (EL) display, a method of making the same and an organic EL display device having the polarizing film

Provided is a continuous web of polarizing film for an organic EL display device which has a thickness of 10 μm or less and exhibits high optical characteristics. The polarizing film for an organic EL display device is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and exhibit optical characteristics satisfying the following conditions: T≧42.5; and P≧99.5, wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film for an organic EL display device may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the substrate, to 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Optical display device having polarizing film

Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 0.929T−42.4 −1)×100 (where T<42.3); and P≧99.9 (where T≧42.3), wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate to by 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.

Method and apparatus for continuously producing optical panel assemblies

A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate including a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 μm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer.

Thin polarizing film, optical laminate with thin polarizing film, and production method for thin polarizing film

The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 μm or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Thin polarizing film, optical laminate with thin polarizing film, and production method for thin polarizing film

The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 μm or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Optical display device

An optical display device which includes a display panel, and at least one polarizing film including a polyvinyl alcohol-based resin layer disposed on a viewing side with respect to the display panel, and having an optical arrangement forming a cross-Nicol relationship with regard to polarized light entering the polarizing film from the side of the display panel. The polarizing film is produced to have a thickness of 10 μm or less, by a method comprising the steps of: forming a polyvinyl alcohol-based resin layer on a resin substrate; stretching the polyvinyl alcohol-based resin layer integrally with the resin substrate; and dyeing the polyvinyl alcohol-based resin layer using a dichroic material. The polarizing film is disposed in the optical display device in a state in which a surface of the polarizing film as a contact surface with the resin substrate during the production thereof is oriented toward a side opposite to the display panel.

Optical display device having polarizing film

Process for producing polarizing film

本发明提供一种偏光薄膜的制造方法，其可以有效地制造具有高偏光功能的偏光薄膜。本发明的偏光薄膜的制造方法的特征在于，边使2张以上的带状聚乙烯醇系薄膜中的第一聚乙烯醇系薄膜在长度方向上移动边在其移动路径上对该第一聚乙烯醇至少实施染色和拉伸，并且，在所述第一聚乙烯醇系树脂薄膜的末端部上连接第二聚乙烯醇系树脂薄膜的前端部，从而对所述第一聚乙烯醇系树脂薄膜及第二聚乙烯醇系树脂薄膜连续地至少实施所述染色和拉伸，其中，通过采用使所述末端部与所述前端部重合的配置、并将其界面部激光熔接，从而实施所述连接。

Manufacture of polymer film coated with aqueous polymer

Thermo-shrinkable polyester film

본 발명은 열수축성 폴리에스테르계 필름에 관한 것으로, 헤이즈가 낮아 용기 피복용의 라벨로 사용하였을 때 용기 내용물에 대한 시인성이 양호하고 내용물을 보다 신선하게 보이도록 할 수 있으면서, 제막 공정이나 후가공 공정에서 권취시 필름 롤 상에 주름이나 미세한 돌기 발생을 방지할 수 있는 열수축성 폴리에스테르계 필름을 제공한다. The present invention relates to a heat-shrinkable polyester film, and when used as a label for coating a container with a low haze, the visibility of the container contents is good and the contents can be made fresher, but in a film forming process or a post-processing process. It provides a heat-shrinkable polyester film that can prevent the occurrence of wrinkles and fine projections on the film roll during the winding.

Laminated polyester film, method for producing same, protective sheet for solar cell, and solar cell module

本发明的一实施形态提供一种层叠聚酯膜及其制造方法、以及包含层叠聚酯膜的太阳电池用保护片及太阳电池模块，所述层叠聚酯膜包括：双轴延伸聚酯膜，通过使未延伸的聚酯膜在第1方向上进行延伸，并沿着膜表面在与第1方向正交的第2方向上进行延伸来制作，且通过示差扫描热量测定所测定的源自热固定温度的微小峰值温度为160℃以上、210℃以下；以及底涂层，通过在朝第2方向延伸前，将底涂层形成用组合物涂布于在第1方向上进行了延伸的聚酯膜的一个面上，并在第2方向上进行延伸来形成，且弹性模量为0.7GPa以上。

Method of producing thin polarizing film

우수한 광학 특성을 갖는 박형 편광막을 제조하는 방법을 제공한다. 본 발명의 박형 편광막의 제조 방법은, 열가소성 수지 기재 (11) 상에 폴리비닐알코올계 수지층 (12) 을 형성하여 적층체 (10) 를 제작하는 공정과, 적층체 (10) 를 붕산 수용액 중에서 수중 연신하는 공정과, 수중 연신 후, 적층체 (10) 를 건조시키면서 연신하는 공정을 포함한다.

Method for manufacturing polarizing film

一种偏光膜的制造方法，其具有将聚乙烯醇系膜1按膨润处理、染色处理、硼酸处理以及清洗处理的顺序进行处理的工序，在这些任一工序之前或工序中利用两个夹持辊2、2’间的周向速度差进行单轴拉伸，该方法具有在上述两个夹持辊2、2’间设置至少1台加宽辊3而进行加宽和单轴拉伸的工序，包含加宽工序的直至加宽工序为止的累计拉伸倍率（其中，直至加宽工序为止没有其它拉伸工序的情况下，累计拉伸倍率为加宽工序中的拉伸倍率）为1.6倍以上，在加宽工序中，加宽辊3的加宽方向相对于从加宽辊3被输出的上述膜1的输出方向的角度为-40°～70°（其中，从左向右观察膜的流动方向时，将膜从加宽辊输出的方向设为0°，将相对于该输出方向顺时针旋转的角度设为－，将相对于该输出方向逆时针旋转的角度设为+）。

Method of manufacturing an activated composite web and an activated composite web for absorptive devices

A method of manufacturing an activated composite web includes laminating a film layer to a nonwoven web to form a composite web, forming a plurality of apertured protuberances in the film layer, and passing the composite web through intermeshing elements to form an activated composite web. The intermeshing elements form a plurality of first lanes, with first widths, substantially unaffected by activation, and a plurality of second lanes, with second widths. The second widths are less than the first widths. Portions of the plurality of apertured protuberances define first apertures in the first lanes and second apertures in the second lanes. The cross-sections of the second apertures are larger than the first apertures. The first apertures have their major axes substantially aligned in the first direction while the second apertures have their major axis substantially aligned in the second direction. An activated composite web also is provided.

Process for producing polyester film, polyester film, and solar cell backsheet

一种聚酯膜的制造方法，其中，使用结晶熔融前峰(Tm′)的温度分布为1℃以10℃以下的聚酯树脂，制作末端羧酸基量(AV)为3eq/ton以上且20eq/ton以下的聚酯膜基材，在该聚酯膜基材的至少一面设置涂布层，对设置有涂布层的聚酯膜基材进行至少1次拉伸。

Easy adhesion polyamide film and production method therefor

이접착 폴리아미드 필름으로서, 기재 폴리아미드 필름과, 이 기재 폴리아미드 필름의 적어도 한 면에 형성되는 음이온형 수분산성 폴리우레탄 수지를 함유하는 프라이머층을 구비한다. 프라이머층의 두께는 0.025㎛ 이상, 0.250㎛ 이하이다. 음이온형 수분산성 폴리우레탄 수지는 그 피막 신도가 250% 이상임과 아울러 그 항장력이 20MPa 이상이다. 이접착 폴리아미드 필름은 헬륨 가스 분위기하에서 200℃, 10분의 열처리를 행했을 때에, 상기 이접착 폴리아미드 필름으로부터 발생하는 휘발성 염기성분의 총량은 0.50㎍/g 이하이다. The adhesive polyamide film includes a base polyamide film and a primer layer containing an anionic water-dispersible polyurethane resin formed on at least one side of the base polyamide film. The thickness of the primer layer is 0.025 탆 or more and 0.250 탆 or less. The anion type water dispersible polyurethane resin has a film elongation of 250% or more and a tensile strength of 20 MPa or more. The total amount of volatile basic components generated from the adhesive polyamide film is 0.50 占 퐂 / g or less when heat-treated at 200 占 폚 for 10 minutes in a helium gas atmosphere.

Multi-component composite membrane and method for preparing the same

본 발명은 다성분계 복합 분리막 및 그의 제조방법에 관한 것으로, 활성층과 지지층을 포함하는 복합 분리막에 있어서, 양쪽 외곽에 활성층(active layer)이 존재하고, 그 내부에는 지지층(support layer)이 존재하는 형태로 구성된 다성분계 복합 분리막을 제공한다. The present invention relates to a multi-component composite separator and a method for manufacturing the same. In a composite separator including an active layer and a support layer, an active layer exists on both sides of the composite separator and a support layer exists therein. It provides a multi-component composite separator consisting of. 본 발명에 의해 제조된 복합 분리막은 지지층 이외에 활성층에 기존의 치밀한 구조 형태는 물론 가공 조건에 따라 기공이 형성될 수 있으며 또한 그 기공 크기를 조절할 수가 있어서 기존의 복합 분리막에 비해 현저히 개선된 투과 특성을 보이게 된다. 또한, 개선된 투과 특성 이외에 복합 분리막의 외곽 층에 존재하게 되는 활성층의 특성 발현 역시 가능하게 된다. In the composite membrane prepared by the present invention, pores may be formed in the active layer in addition to the supporting layer, depending on processing conditions, as well as the existing compact structure, and the pore size may be adjusted, thereby significantly improving the permeation characteristics of the composite membrane. It becomes visible. In addition to the improved permeation properties, it is also possible to express the characteristics of the active layer which is present in the outer layer of the composite membrane.

Method of manufacturing polarizing plate

편광막의 염색성 등을 저하시키지 않고, 또 편광막의 전사나 박리 공정을 필요로 하지 않고, 내열성이 충분한 편광판을 제조하는 방법을 제공한다. 폴리에스테르 수지 기재 (11) 상에 폴리비닐알코올 수지로 형성된 편광막이 적층된 편광판 (10) 의 제조 방법으로서, 폴리에스테르 수지 기재 (11) 상에 폴리비닐알코올 수지층 (12) 을 형성한 적층체를 연신하는 연신 공정과, 상기 폴리비닐알코올 수지층 (12) 을 염색하는 염색 공정과, 상기 폴리에스테르 수지 기재 (11) 를 결정화하는 결정화 공정을 포함하고, 상기 결정화 공정을 상기 염색 공정 후에 실시하는 것을 특징으로 한다. Provided is a method for producing a polarizing plate having sufficient heat resistance without lowering the dyeability of a polarizing film and without requiring a transferring or peeling step of a polarizing film. A method for producing a polarizing plate (10) in which a polarizing film formed of a polyvinyl alcohol resin is laminated on a polyester resin substrate (11), comprising the steps of: laminating a polyvinyl alcohol resin layer (12) on a polyester resin substrate , A step of dyeing the polyvinyl alcohol resin layer (12), and a step of crystallizing the polyester resin substrate (11), wherein the crystallization step is carried out after the dyeing step .

ORIENTED HDPE FILMS WITH SKIN LAYERS

본 발명은 쉽게 주조가능한 고밀도 폴리에틸렌(HDPE) 필름에 관한 것으로서 바람직하게는 처리된 상부 표피층 및 미처리 하부 표피층을 각 사이드에 공압출시킨 넓은 분자량분포의 HDPE를 함유한다. 상기 처리된 상부 표피층은 중합체, 예를 들면, 에틸렌-프로필렌-부텐-1 삼원 공중합체로부터 유도되며 상기 하부층은 에틸렌-프로필렌-부텐-1 삼원 공중합체 및 실리콘 오일과 화합되는 LDPE와 같은 중합체로부터 유도된다. 이러한 표피층은 쉽게 주조가능하고 동시에 꺽임성, 꼬임 보유율, TD 찢기 및 수분 차단성을 비롯한 HDPE의 바람직한 특성을 유지하는 필름을 제공한다. 상기 필름을 주조하고, 이것을 고체 상태로 기계 방향으로 약 2회정도, 그리고 가로방향으로 6회 이상 연신하여 포장, 특히 건조 식품 포장용으로 매우 적당한 우수한 꺽임 방지성을 갖는 필름을 제공한다.

Optical display device

Uninterrupted straight-line flow method of formation of multilayer packaging film

FIELD: packaging of various products. SUBSTANCE: invention refers to uninterrupted straight-line flow method of formation of multilayer packaging film used to pack products that decompose and create undesirable degradation compositions. Method includes extrusion of layer of backing to carry packaging film. Then longitudinal orientation of layer of backing is conducted in direction of its movement. One side of extruded oriented layer of backing is covered by layer of liquid film that diminishes harmful effects of degradation compositions caused by decomposition of product. Later this layer of film is dried and layer of sealing compound ensuring separation of product in package from layer of film is extruded on it. After extrusion of layer of sealing compound process of stretching of dried packaging film covered with sealing compound is performed in broadening machine to achieve its complete orientation and to reduce thickness of covering layer of sealing compound in this way. Description gives list of materials used in the capacity of layers of backing, film and covering layer. Method may additionally include stage of extrusion of binding layer simultaneously with extrusion of backing, stage of covering of oriented layer of backing with polyvinyl alcohol that prevents penetration of oxygen, with acrylic material that stops odors and improves aroma, with material SARAN ® in the capacity of barrier to oxygen and moisture. Method may include in addition stage of covering of the other side of layer of backing with another layer of film after first layer has dried and drying of second layer of film on backing before extrusion of layer of sealing compound on it. EFFECT: manufacture of multilayer packaging film of less thickness that prolongs shelf life of food products containing oil. 11 cl, 6 dwg ДЕС ПЧ ГЭ (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ” 2121 437‘ (51) МПК 13) СЛ В 290 9/00, В 32 В 27/08, 31/30 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ...

Composite membrane and its manufacturing method

Optical display

本发明提供一种光学显示装置，即使偏振膜具有少许缺陷，辉点也难以被识别。该光学显示装置具有：显示面板、以及相对于显示面板配置在视认侧且具有聚乙烯醇类树脂层的至少一个偏振膜，具有对于从显示面板侧向偏振膜射入的偏振光、可形成正交偏振关系的光学配置。偏振膜厚度为10μm以下，通过包括：在树脂基材上对聚乙烯醇类树脂层成膜的工序、使该聚乙烯醇类树脂层与所述树酯基材一体地拉伸的工序、以及由二色性物质对该聚乙烯醇类树脂层进行染色的染色工序的方法制作而成，并且在光学显示装置中，以使制作偏振膜时在树脂基材上成膜的面面对与显示面板相反一侧的状态进行配置。

Liquid crystal polymer film and a method for manufacturing the same

A composite material is formed by combining a liquid crystal polymer with a porous or nonporous support membrane to provide either a thin, multiaxially oriented liquid crystal film on the support membrane formed by laminating the liquid crystal polymer onto a porous or nonporous support membrane, followed by multiaxial orientation; or to provide a thin, multiaxially oriented liquid crystal polymer region within a porous support membrane formed by impregnating the liquid crystal polymer into a porous support membrane, followed by multiaxial orientation.

Thin polarizing film, optical laminate with thin polarizing film, and production method for thin polarizing film

提供一种对环境影响小、且具有优良光学特性的薄型偏光膜。所述薄型偏光膜通过在热塑性树脂基材(11)上形成聚乙烯醇类树脂层(12)来生产，并所述薄型偏光膜的厚度为10μm以下、单片透射率为42.0%以上、偏光度为99.95%以上以及通过离子色谱法测定的碘含量为17.6克/(400×700平方毫米)以下。

Multi-component composite membrane and method for preparing same

本发明涉及多组分复合分离膜和制备该膜的方法，本发明提供了包括活性层和载体层的复合膜，其中载体层位于膜的内侧，而活性层位于膜的外侧。

Process for producing polarizer, polarizer, polarizing plate, optical film, process for producing composite polarizing plate, composite polarizing plate, and image display device

本发明提供一种可采用小型且简易的制造装置、并大致同时地进行液体与亲水性聚合物薄膜的接触和利用拉幅机方式等实施的亲水性聚合物薄膜在宽度方向上的拉伸的起偏器制造方法，其包括下述工序：宽度方向拉伸工序，其利用把持机构(2)来把持连续供给的亲水性聚合物薄膜(1)的宽度方向的两端，使所述把持机构(2)沿所述亲水性聚合物薄膜(1)的长度方向行进，同时使所述薄膜(1)与液体接触，并使把持所述薄膜(1)的宽度方向的两端的至少一侧的所述把持机构(2)也向所述薄膜(1)的宽度方向的外侧移动，由此将所述薄膜(1)沿宽度方向进行拉伸；染色工序，其利用二色性物质对所述薄膜(1)进行染色处理，其中，在所述宽度方向拉伸工序中，所述液体的接触通过所述液体的喷雾及涂布中的至少一种来实施；在所述染色工序及与所述染色工序不同的其它工序中的至少一个工序中实施所述宽度方向拉伸工序。

Manufacturing method of light diffusion film

Method for manufacturing polarizing film

(1) is subjected to a swelling treatment, a dyeing treatment, a boric acid treatment, and a washing treatment in this order, and before or during the process of any of these steps, the difference between the two nip rolls (2, 2 ' A method of producing a polarizing film for performing uniaxial stretching using a main speed difference, comprising the step of providing at least one widening roll (3) between the two nip rolls (2, 2 ') to perform widening and uniaxial stretching, (In the case where there is no other drawing step up to the widening step, the drawing magnification in the widening step) to the widening step including the widening step is 1.6 or more, and in the widening step, the widening roll 3 The angle of the widening roll of the widened roll 3 with respect to the take-out direction of the film 1 is in the range of -40 ° to 70 ° (provided that the direction in which the film flows is from the left to the right, The carry-out direction is set to 0 °, The angle of the clockwise direction from - a counter-clockwise direction and the angle of a +).

Method for continuously producing optical panel assemblies

편광막을 가지는 광학적 패널 조립체의 연속적 제조 방법을 제공한다. 직사각형 형상의 광학 패널 표면에 편광막을 부착하는 방법을 개시한다. 편광막은, 연속 웹상의 열가소성 수지기재상에 PVA계 수지층을 형성한 적층체에 대해, 공중 보조 연신과 붕산 수중 연신으로 이루어지는 2단계 연신에 의해, PVA계 수지층을 10㎛이하의 두께로 하는 연신과, PVA계 수지막에 2색성 물질을 흡착시키는 흡착을 행하는 것에 의해서 형성된다. 상기 편광막을 가지는 광학 필름 적층체에, 점착제층을 통하여 캐리어 필름을 박리 가능하게 부착하여 형성한 캐리어 필름부 광학 필름 적층체에 대해, 광학 패널의 장변 치수 또는 단변 치수의 일방에 대응하는 소정의 길이 방향 간격에서, 폭 방향으로, 광학 필름 적층체의 옆으로부터 캐리어 필름의 면에 이르는 깊이의 복수의 슬릿을 형성하고, 길이 방향으로 인접하는 2개의 슬릿 간에, 광학 필름 적층체의 시트를 형성하여, 상기 시트의 각각이, 첩합 위치에 차례차례 보내지는 광학 패널에 동기하는 관계가 되도록, 시트를 첩합 위치로 보내고, 광학 필름 적층체의 측에 점착제층을 남겨 시트를 캐리어 필름으로부터 벗겨, 첩합 위치로 보내져 온 광학 패널에 점착제층에 의해 첩합한다. Provided is a method of continuously manufacturing an optical panel assembly having a polarizing film. Disclosed is a method of attaching a polarizing film to a rectangular optical panel surface. A polarizing film makes a PVA-type resin layer into thickness of 10 micrometers or less by the two-step extending | stretching which consists of air-assisted extending | stretching and boric acid underwater extending | stretching with respect to the laminated body which formed the PVA system resin layer on the thermoplastic resin base material of a continuous web. Stretching and adsorption which adsorb | suck a dichroic substance to a PVA system film are performed. The predetermined length corresponding to one of the long side dimension or short side dimension of an optical panel with respect to the optical film laminated body which formed the said optical film laminated body which has the said polarizing film so that a carrier film was detachably attached through an adhesive layer, and was formed. In the lateral interval, in the width direction, a plurality of slits having a depth from the side of the optical film stack to the surface of the carrier film are formed, and a sheet of the optical film stack is formed between two slits adjacent in the longitudinal direction, The sheet is sent to the bonding position so that each of the sheets is synchronized with the optical ...

Polyester film for magnetic recording media

본 발명은 우수한 주행성, 전자 변환 특성을 갖는 자기 기록 매체, 특히 금속 박막 자기 기록 매체용으로 유용한 폴리에스테르 필름을 제공하는 것이다. The present invention is to provide a polyester film useful for a magnetic recording medium, particularly a metal thin film magnetic recording medium, which has excellent runability and electron conversion characteristics. 상기 필름을 하기로 이루어진 자기 기록 매체용 이축 배향 폴리에스테르 필름이다. It is a biaxially-oriented polyester film for magnetic recording media which consists of the said film. (1) 유기 화합물을 중합 촉매로서 사용한 방향족 폴리에스테르의 이축 배향 기재 필름. (1) Biaxially oriented base film of aromatic polyester using an organic compound as a polymerization catalyst. (2) 상기 기재 필름의 한쪽 표면상에 설치되며, 그위에 자기 기록층을 형성하는 제1 연속 박막. (2) A first continuous thin film provided on one surface of the base film to form a magnetic recording layer thereon. (3) 상기 기재 필름의 다른 한쪽 표면상에 설치되어 활면을 형성하는 제2 연속 박막. (3) A second continuous thin film provided on the other surface of the base film to form a smooth surface.