Compositions of ethylene/alpha-olefin multi-block interpolymer for blown films with high hot tack

The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm >−2002.9+4538.5( d )−2422.2( d )2.

Fringed surface structures obtainable in a compression molding process

Disclosed are mono-layer or multi-layer films, sheets, or coatings wherein at least on layer comprises a fringed surface microstructure (1), a process for making these items and uses thereof. Further disclosed are articles of manufacture comprising such film, sheet, or coating.

Compositions and aqueous dispersions

An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.

POLYMERIC COMPOSITIONS AND FOAMS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME

The invention provides a composition comprising an ethylene/α-olefin/non-conjugated diene interpolymer, which has the following properties: an M z (abs)/M z (Conv) value greater than 1.35; an M z (BB)/M w (abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer. The invention also provides a process for forming a crosslinked composition, said process comprising: (a) forming a polymeric admixture comprising at least the following: (A) an ethylene/α-olefin/non-conjugated diene copolymer rubber (B) which has the following properties: an M z (abs)/M z (Conv) value less than 1.3; an M z (BB)/M w (abs) value greater than 1.6, but less than 2.5; and an M w (abs) value less than 350,000 g/mole; and (B) a coupling amount of (i) at least one poly(sulfonyl azide) or (ii) at least one peroxide; and (b) heating the resulting admixture to a temperature at least the decomposition temperature of the crosslinking agent. The invention also provides a process for forming a shaped article, said process comprising: (a) forming a polymeric admixture comprise of at least one ethylene/α-olefin/non-conjugated diene interpolymer, at least one sulfur-based curative or organic peroxide-based crosslinking agent, and, optionally, a process oil, carbon blacks, additional inorganic fillers, organic fillers, cure accelerators, and/or foaming agents; (b) shaping the resulting admixture; (c) heating the resulting admixture to a temperature at least the decomposition temperature of the sulfur-based cure agent or the peroxide crosslinking agent.

Aqueous dispersion, its production method, and its use

An aqueous dispersions including (A) at least one ethylene-based polyolefin forming a dispersed polymer phase; (B) at least one dispersing agent; and (C) water; wherein the dispersion has a pH of less than 12; and wherein the dispersed polymer phase has a volume average particle size of less than about 5 microns. In other aspects, an article or a substrate including a coating, wherein the coating was obtained from an aqueous dispersion comprising (A) at least one of an ethylene-based polyolefin and a propylene-based polyolefin; (B) at least one dispersing agent; and (C) water; wherein the dispersion had a pH of less than 12.

COMPOSITIONS AND AQUEOUS DISPERSIONS

An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.

AQUEOUS POLYOLEFIN DISPERSIONS FOR TEXTILE IMPREGNATION

The present invention provides an article formed by impregnating a fibrous structure with a compound, the compound including an aqueous dispersion, the dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; (b) at least one polymeric stabilizing agent; and (c) water; and removing at least a portion of the water from the impregnated fibrous structure. The present invention also provides a method of forming a stiffened textile. The method may include the steps of: forming a compound, the compound including an aqueous dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof, (b) at least one polymeric stabilizing agent, and (c) water; impregnating a textile with the compound; and removing at least a portion of the water from the impregnated textile.

Polymeric Composition and Sealant Layer with Same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch. 1. A polymeric composition comprising:(A) a propylene-based polymer;(B) at least 50 weight percent, based on the sum weight of (A) and (B), of an ethylene/α-olefin copolymer with a density less than or equal to 0.91 g/cc; and i) a propylene-based crystalline polymer;', 'ii) an ethylene/α-olefin polymer; and', 'iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/α-olefin block., '(C) a block composite comprising2. The polymeric composition of wherein the propylene-based polymer (A) is selected from the group consisting of propylene homopolymer and propylene/ethylene copolymer.3. The polymeric composition of wherein the ethylene/α-olefin copolymer (B) comprises a homogeneously branched ethylene/α-olefin copolymer.4. The polymeric composition of wherein the ethylene/α-olefin copolymer (B) comprises a substantially linear ethylene polymer.5. The polymeric composition of wherein the ethylene/α-olefin polymer has a melt index from 0.5 g/10 min to 25 g/10 min.6. The polymeric composition of wherein the block copolymer (C)(iii) comprises a diblock with the formula (I) below:{'br': None, '(EP)−(iPP)\u2003\u2003(1)'}wherein EP represents a segment of polymerized ethylene and propylene monomeric units, and iPP represents a segment of isotactic propylene homopolymer.7. The polymeric composition of claim 1 , wherein block composite (C) comprises greater than 15 wt % of C(iii) claim 1 , based on the total weight of block composite (C).8. The polymeric ...

Crosslinked polyethylene composition

A crosslinked polyethylene composition comprising 100 parts by weight of polyethylene, 0.05-5 parts by weight of crosslinking agent, 0.03-3 parts by weight of crosslinking aid. Polyethylene is a copolymer, homopolymer and/or a mixture thereof. The crosslinking agent is an organic peroxide having a half-life period longer than 3 minutes at 190° C. and/or a multi-membered heterocyclic alkane consisting of 3 to 6 carbon atoms and 3 to 6 oxygen atoms and/or a derivative thereof. The crosslinking aid is an organic substance containing allyl, maleimido, (meth)acrylate group and/or a polymer having a vinyl content higher than 50%. Preferably, the crosslinking aid is triallyl isocyanate (TAIC), triallyl cyanurate (TAC) or a mixture thereof. The crosslinked polyethylene composition has a crosslinking efficiency index >1000 Nm/g and a δ torque value >15 Nm at 220° C., and has a high safe processing temperature and long crosslinking delay, and therefore is particularly suitable for rotationally molded products.

Nanocomposite articles and process for making

An improved process for making a structural foamed polymer, a multilayer polymer film, sheet or tube, a pultrusion polymer profile, a compression molded extruded fiber reinforced polymer pre-form, a strand foamed polymer and a SCORIM formed polymer article. The improvement includes the step of dispersing a multi-layered silicate material with the polymer so that the polymer has dispersed therein single layers of silicate material, double layers of silicate material, triple layers of silicate material, four layers of silicate material, five layers of silicate material and more than five layers of silicate material, the volume percent of the one, two, three, four and five layers of silicate material greater than the volume percent of the more then five layers of silicate material. In each of the above embodiments an important benefit of the instant invention is the orientation of the plane of the layers of silicate material. Preferably, most of the layers of silicate material have substantially ...

Compositions of ethylene/-olefin multi-block interpolymer for blown films with high hot tack

The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm >−2002.9+4538.5( d )−2422.2( d )2.

Film layers made from polymer formulations

Film layers made from formulated polymer compositions are disclosed. Film layers made from such formulated compositions have surprisingly good (for example, low) water vapor transmission rates and are particularly useful for packaging dry goods such as cereal. The polymer compositions preferably have at least one homogeneous ethylene homopolymer and at least one heterogeneously branched ethylene polymer. The homogeneous ethylene homopolymer has a molecular weight much higher than that of the heterogeneously branched ethylene polymer, although the density of each is preferably higher than about 0.95 g/cm 3 .

Compositions of ethylene/-olefin multi-block interpolymer for elastic films and laminates

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

Functionalized elastomer compositions

The present invention relates to olefinic compositions comprising a functionalized branched olefin copolymer containing functionalized sidechains derived from olefin and at least one chain end nucleophilic heteroatom containing functional group with at least one protic hydrogen, optionally with one or more copolymerizable monomers, the copolymer characterized by having A) a T g <−10° C. as measured by DSC; B) a T a >100° C.; C) an elongation at break of greater than or equal to 500 percent; D) a Tensile Strength of greater than or equal to 1,500 psi (10,300 kPa) at 25° C.; E) a TMA temperature>80° C., and F) an elastic recovery of greater than or equal to 50 percent.

Low gloss thermoformable flooring structure

A novel flooring composition was developed based on a blend comprising: a) an elastomer; b) a random propylene/alpha-olefin copolymer; c) a cross linking agent; and optionally d) a melt strength enhancing polymer. This composition achieves a unique balance of properties, exhibiting often-conflicting performance requirements. These include low gloss and excellent pattern duplication in embossing, low modulus, minimal odor, excellent grain acceptance and abrasion resistance, while remaining thermoformable and maintaining minimal shift in viscosity during recycle.

Crosslinked polyethylene composition having improved processability

Disclosed in the present invention is a crosslinked polyethylene composition having improved processability comprises: 100 parts by weight of polyethylene, 0.03-5 parts by weight of crosslinking agent, 0.03-5 parts by weight of crosslinking promoter, and 0.01-1.5 parts by weight of free radical inhibitor, wherein the polyethylene is a copolymer and/or homopolymer containing at least 90 wt. % of vinyl and at least one C 3 -C 8 α-alkenyl, and has a density in the range of 0.920-0.970 g/cm 3 , a melt index in the range of 2.5-17.5 g/10 min; the crosslinking agent is a peroxide crosslinking agent; the crosslinking promoter is an organic substance containing maleimido, (meth)acrylate group, and/or allyl, and/or a polymer containing more than 50% of vinyl; the free radical inhibitor is an organic antioxidant, a quinhydrone and/or a substituted quinhydrone. The crosslinked polyethylene composition of the present invention has a crosslinking efficiency index of more than 1,100 Nm/g and a δ torque value of more than 10 Nm at the temperature of 200° C., a significantly higher safety process temperature and a significantly improved crosslinking retardation time compared to the conventional crosslinked polyethylene composition, which make it especially be suitable for the production of rotational molding articles.

Low gloss thermoformable flooring structure

A novel flooring composition was developed based on a blend comprising: a) an elastomer; b) a random propylene/alpha-olefin copolymer; c) a cross linking agent; and optionally d) a melt strength enhancing polymer. This composition achieves a unique balance of properties, exhibiting often-conflicting performance requirements. These include low gloss and excellent pattern duplication in embossing, low modulus, minimal odor, excellent grain acceptance and abrasion resistance, while remaining thermoformable and maintaining minimal shift in viscosity during recycle.

Elastic films and laminates

This invention relates to methods of forming an elastic, breathable film/nonwoven layer laminate. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

Aqueous dispersion, its production method, and its use

An aqueous dispersions including (A) at least one ethylene-based polyolefin forming a dispersed polymer phase; (B) at least one dispersing agent; and (C) water; wherein the dispersion has a pH of less than 12; and wherein the dispersed polymer phase has a volume average particle size of less than about 5 microns. In other aspects, an article or a substrate including a coating, wherein the coating was obtained from an aqueous dispersion comprising (A) at least one of an ethylene-based polyolefin and a propylene-based polyolefin; (B) at least one dispersing agent; and (C) water; wherein the dispersion had a pH of less than 12.

Polymer compositions

A polymer composition comprising, based on the total weight of A), B), C) and D),A) from about 10 to 89.99 percent of a substantially random interpolymer comprising in polymerized form i) from about 35 to about 89.5 mole percent of one or more alpha-olefin monomers and ii) from about 65 to about 10.5 mole percent of one or more vinyl or vinylidene aromatic monomers and/or one or more sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene monomers, and optionally iii) other polymerizable ethylenically unsaturated monomer(s);B) from about 10 to about 75 percent of one or more polyolefins selected from the group consisting of I) propylene polymers and II) high density polyethylenes; andC) from 0.01 to about 10 percent of a non-ionic lubricant; andD) from 0 to about 60 percent of a substantially random interpolymer comprising in polymerized form i) from about 50 to about 99.5 mole percent of one or more alpha-olefin monomers and ii) from about 50 to about 0.5 mole percent of one ...

POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME

The invention provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has an [(ML(1+4, 125° C.))/Mw(conv)]*1000 greater than 0.429 mole/g. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML, 1+4, 125° C.) greater than, or equal to, 70, and has a low shear viscosity (11 at 0.1 rad/sec) less than, or equal to, 100,000 Pa·sec. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML(1+4, 125° C.)) greater than, or equal to, 70, and has an [Mw(abs)]/[Mw(conv)] less than 1.2.

Filled polymer compositions made from interpolymers of ethylene/a-olefins and uses thereof

A filled polymer composition comprises (i) an ethylene/α-olefin interpolymer, and (ii) a filler. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The filled polymer compositions provided herein, in certain embodiments, have relatively higher heat resistance and improved noise, vibration and harshness properties and can be used in automotive floorings, roofings, wire and cable coating applications.

Polymer blends from interpolymers of ethylene/alpha-olefins and flexible molded articles made therefrom

Polymer blends comprises 1) at least one ethylene/α-olefin interpolymer and 2) at least one polyolefin, or at least one styrenic block copolymer, or a combination thereof. Such polyolefins include, but are not limited to, high melt strength high density polyethylene and high melt strength polypropylene. The ethylene/α-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The polyolefins can be homopolymers or interpolymers. The resulting polymer blends can be used to make flexible molded articles.

POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME

The invention provides a composition comprising at least the following: A) an ethylene-based polymer having at least the following characteristics: (i) a melting temperature of greater than, or equal to, 100° C., as determined by DSC, and (ii) a molecular weight ratio, Mz(abs)/Mz(conv) greater than 2.2; and B) an oil. 1. A composition comprising at least the following:A) an ethylene-based polymer having at least the following characteristics: (i) a melting temperature of greater than, or equal to, 100° C., as determined by DSC, and (ii) a molecular weight ratio, Mz(abs)/Mz(conv) greater than 2.2; andB) an oil.2. The composition of claim 1 , wherein the ethylene-based polymer has a percent crystallinity greater than 28% claim 1 , as determined by DSC.3. The composition of claim 1 , wherein the ethylene-based polymer has a number average molecular weight (Mn(conv)) greater than 2800 g/mole.4. The composition of claim 1 , wherein the ethylene-based polymer claim 1 , Component A claim 1 , has a MR value less than 200 g/10 min claim 1 , where MR=I2×RR.5. The composition of claim 1 , wherein the ethylene-based polymer claim 1 , Component A claim 1 , has a molecular weight ratio (Mz(abs)/Mz(conv)) greater than claim 1 , or equal to claim 1 , 2.5 claim 1 , preferably greater than claim 1 , or equal to claim 1 , 2.9.6. The composition of claim 1 , wherein the ethylene-based polymer claim 1 , Component A claim 1 , is a low density polyethylene (LDPE).7. The composition of claim 1 , wherein the ethylene-based polymer claim 1 , Component A claim 1 , has a density from 0.900 to 0.940 g/cc.8. The composition of claim 1 , wherein the ethylene-based polymer claim 1 , Component A claim 1 , has melt index (12) from 0.2 to 50 g/10 min.9. The composition of claim 1 , wherein the ethylene-based polymer claim 1 , Component A claim 1 , is present in an amount from 2 to 50 weight percent claim 1 , based on the weight of the composition.10. The composition of claim 1 , wherein the oil is ...

Interpolymer compositions of ethylene, alpha-olefin and nonconjugated polyene, methods of making the same, and foam and articles prepared from the same

A composition comprising at least the following: A) an interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene, and wherein the interpolymer comprises less than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomers, and wherein the interpolymer has a molecular weight distribution (M w /M n ) less than 3; B) an interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene, and wherein the interpolymer comprises greater than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomer; and wherein the total polyene content is less than 7 weight percent.

Polymer compositions, methods of making the same, and articles prepared from the same

The invention provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has at least one of the following features: a) an [(ML(1+4, 125° C.))/Mw(conv)]*1000 greater than 0.429 mole/g; b) a Mooney Viscosity (ML, 1+4, 125° C.) greater than, or equal to, 70, and has a low shear viscosity (η at 0.1 rad/sec) less than, or equal to, 100,000 Pa·sec; and c) a Mooney Viscosity (ML(1+4, 125° C.)) greater than, or equal to, 70, and has an [Mw(abs)]/[Mw(conv)] less than 1.2.

Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

ELECTRODE SLURRY, SLURRY ELECTRODE, FLOW BATTERY AND STACK

A flow battery field, an electrode slurry, a slurry electrode, a flow battery, and a stack are disclosed. The electrode slurry comprising electrode particles and electrolyte that contains active substance. Based on 100 pbw active substance, the electrode particles are 10-1,000 pbw. The slurry electrode comprises: a bipolar plate, a current collector, and a slurry electrode reservoir configured to store electrode slurry. In the two opposite sides of the bipolar plate, one side is adjacent to the current collector, and the other side is arranged with a slurry electrode cavity, and flow channels are arranged and extended between the bipolar plate and the slurry electrode cavity, so that the electrode slurry is circulated between the slurry electrode cavity and the slurry electrode reservoir. A flow battery that employs the electrode slurry can provide higher and more stable power output under the same current condition and is lower in cost.

Compositions of ethylene/-olefin multi-block interpolymer for elastic films and laminates

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

POLYMERIC COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME

The invention provides a composition comprising at least the following: A) from “greater than zero” to “less than 100” phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene, and wherein the interpolymer comprises less than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomers, and wherein the interpolymer has a molecular weight distribution (M w /M n ) less than 3; B) from “less than 100” to “greater than zero” phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene, and wherein the interpolymer comprises greater than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomer; and wherein the total polyene content is less than 7 weight percent (based on the total amount of polymerized monomers in the interpolymers of Components A and B).

Polymer blends from interpolymers of ethylene/-olefins and flexible molded articles made therefrom

Polymer blends comprises 1) at least one ethylene/α-olefin interpolymer and 2) at least one polyolefin, or at least one styrenic block copolymer, or a combination thereof. Such polyolefins include, but are not limited to, high melt strength high density polyethylene and high melt strength polypropylene. The ethylene/α-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The polyolefins can be homopolymers or interpolymers. The resulting polymer blends can be used to make flexible molded articles.

Compositions of ethylene/alpha-olefin multi-block interpolymer for blown films with high hot tack

The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm >−2002.9+4538.5( d )−2422.2( d )2.

Compositions and aqueous dispersions

An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.

CELLULOSE ARTICLES CONTAINING AN ADDITIVE COMPOSITION

In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion.

Silicon-carbon composite material and preparation method and use thereof

The present disclosure relates to the field of carbonaceous composite materials, in particular to a silicon-carbon composite material and a preparation method and a use thereof. The silicon-carbon composite material comprises a composite carbon material and nanometer silicon dispersed therein, wherein the composite carbon material is consisting of a graphitic crystal phase and an amorphous carbon phase, wherein the ratio I002/Iamorof the peak intensity I002of the graphite crystal phase (002) plane relative to the peak intensity Iamorof the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, the graphite crystalline phase is uniformly dispersed in the composite material, the dispersion coefficient δ of the ratio Id/Ig of Id and Ig as measured by Raman data is less than 0.8. The silicon-carbon composite material provided by the present disclosure can be used as an anode material of a lithium ion battery, such that the lithium ion battery has desirable ...

COMPOSITIONS AND AQUEOUS DISPERSIONS

An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.

Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

COMPOSITIONS OF ETHYLENE / ALPHA-OLEFIN MULTI-BLOCK INTERPOLYMER FOR BLOWN FILMS WITH HIGH HOT TACK

The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm >−2002.9+4538.5( d )−2422.2( d )2.

Bleed Resistant, Oil-Extended Olefin Block Copolymer Composition with Surface-Active Agent

The present disclosure provides an oil-extended olefin block copolymer composition. The oil-extended olefin block copolymer composition includes an olefin block copolymer, an oil, and a surface-active agent and may optionally include an olefin-based polymer. The oil- extended olefin block copolymer composition advantageously exhibits reduced, or no, oil-bleed. 1. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/α-olefin multi-block copolymer;an oil; anda surface-active agent.2. The composition of wherein the olefin block copolymer has a density from 0.85 g/cc to 0.88 g/cc.3. The composition of comprising from about 30 wt % to 70 wt % olefin block copolymer claim 1 , from 30 wt % to 70 wt % oil claim 1 , and from 0.01 wt % to 2.0 wt % surface-active agent.4. The composition of wherein the surface-active agent is a fluorosurfactant.5. The composition of wherein the surface-active agent is a polysiloxane surfactant.6. The composition of having a Shore A hardness from 5 to 50.7. The composition of having a normalized oil-bleed index of less than 30 after 1 week at 23° C.8. The composition of having a normalized oil-bleed index (NOBI) of less than 30 after 3 weeks at 23° C.9. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/α-olefin multi-block copolymer;from 70 phr to 250 phr of an oil;from 0.05 phr to 5 phr of a surface-active agent; andthe composition has a Shore A hardness from 5 to 50 and a normalized oil-bleed index of less than or equal to 30 after three weeks at 23° C.10. The composition of comprising 150 phr oil.11. The composition of comprising from 0.5 phr to 5 phr surface-active agent.12. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/α-olefin multi-block copolymer;an olefin-based polymer;an oil; anda surface-active agent.13. The composition of wherein the olefin-based polymer is a ...

Bleed Resistant, Oil-Extended Olefin Block Copolymer Composition with Microcrystalline Wax

Disclosed are oil-extended olefin block copolymer compositions with microcrystalline wax. The microcrystalline wax reduces oil-bleed while maintaining composition softness. 1. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer;an oil; anda microcrystalline wax.2. The composition of wherein the olefin block copolymer has a density from about 0.85 g/cc to about 0.88 g/cc.3. The composition of comprising from about 30 wt % to about 40 wt % olefin block copolymer claim 1 , from about 45 wt % to about 55 wt % oil claim 1 , and from about 10 wt % to about 30 wt % microcrystalline wax.4. The composition of wherein the composition is filler-free.5. The composition of comprising an oil/microcrystalline wax pre-mix.6. The composition of wherein the pre-mix comprises from about 60 wt % to about 80 wt % oil and from about 40 wt % to about 20 wt % microcrystalline wax.7. The composition of having a Shore A hardness from about 5 to about 50.8. The composition of having a normalized oil-bleed index of less than 30 after 1 week at 23° C.9. The composition of having a normalized oil-bleed index (NOBI) of less than 30 after 3 weeks at 23° C.10. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer;from 100 phr to 250 phr of an oil;from 30 phr to 100 phr of a microcrystalline wax; andthe composition has a Shore A hardness from 5 to about 50 and a normalized oil-bleed index of less than or equal to 30 after three weeks at 23° C.11. The composition of comprising 150 phr oil.12. The composition of comprising from 60 phr to 100 phr microcrystalline wax.13. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer; anda petrolatum.14. The composition of comprising from about 20 wt % to about 50 wt % olefin block copolymer and from about 80 wt % to about 50 wt % petroleum jelly.15. The composition of having a Shore A hardness from about 5 to about 50 and a normalized oil bleed index of less ...

Amorphous carbon material, prepared by subjecting mixture of carbonaceous material and aqueous solution to phase separation and drying, preparation method and use thereof

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an application thereof. The amorphous carbon material has the following characteristics: (1) a true density ρ of the amorphous carbon material and a interlayer spacing d002obtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula: 100×ρ×d002≥70; (2) the interlayer spacing d002, Laand Lcof the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula: Lc×d002≤0.58, and 100×(Lc/La2)×d0023≤0.425 wherein ρ is denoted by the unit of g/cm3, each of d002, Lcand Lais denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Fibers for Polyethylene Nonwoven Fabric

The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise monocomponent fibers having a surface comprising a polyethylene, said nonwoven material having a fuzz/abrasion of less than 0.7 mg/cm 3 . The present invention is also related to fibers having a diameter in a range of from 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: from 40 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/α-olefin interpolymer having: a melt index of from about 1 to about 1000 grams/10 minutes, and a density of from 0.870 to 0.950 grams/centimeter 3 , and from 74 to 20 percent by weight of a second polymer which is an ethylene homopolymer or an ethylene/α-olefin interpolymer having a melt index of from about 1 to about 1000 grams/10 minutes, and preferably a density which is at least 0.01 grams/centimeter 3 greater than the density of the first polymer.

Cellulose articles containing an additive composition

In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion.

Aqueous polyolefin dispersions for textile impregnation

The present invention provides an article formed by impregnating a fibrous structure with a compound, the compound including an aqueous dispersion, the dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; (b) at least one polymeric stabilizing agent; and (c) water; and removing at least a portion of the water from the impregnated fibrous structure. The present invention also provides a method of forming a stiffened textile. The method may include the steps of: forming a compound, the compound including an aqueous dispersion having (a) at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof, (b) at least one polymeric stabilizing agent, and (c) water; impregnating a textile with the compound; and removing at least a portion of the water from the impregnated textile.

Polymeric composition with sealant layer with same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch.

CROSSLINKED POLYETHYLENE COMPOSITION

A crosslinked polyethylene composition comprising 100 parts by weight of polyethylene, 0.05-5 parts by weight of crosslinking agent, 0.03-3 parts by weight of crosslinking aid. Polyethylene is a copolymer, homopolymer and/or a mixture thereof. The crosslinking agent is an organic peroxide having a half-life period longer than 3 minutes at 190° C. and/or a multi-membered heterocyclic alkane consisting of 3 to 6 carbon atoms and 3 to 6 oxygen atoms and/or a derivative thereof. The crosslinking aid is an organic substance containing allyl, maleimido, (meth)acrylate group and/or a polymer having a vinyl content higher than 50%. Preferably, the crosslinking aid is triallyl isocyanate (TAIC), triallyl cyanurate (TAC) or a mixture thereof. The crosslinked polyethylene composition has a crosslinking efficiency index >1000 Nm/g and a δ torque value >15 Nm at 220° C., and has a high safe processing temperature and long crosslinking delay, and therefore is particularly suitable for rotationally molded products. 1. A crosslinked polyethylene composition comprising: 100 parts by weight of polyethylene , 0.05-5 parts by weight of crosslinking agent , and 0.03-3 parts by weight of crosslinking aid , wherein the polyethylene is a copolymer , homopolymer and/or a mixture thereof; the crosslinking agent is an organic peroxide having a half-life period >3 minutes at 190° C.; the crosslinking aid is a polymer with a vinyl content of higher than 50% , and/or an organic substance containing allyl , maleimido , and/or (meth)acrylate group; and said crosslinked polyethylene composition has a crosslinking efficiency index of >1000 Nm/g and a 6 torque value of >15 Nm at 220° C.2. A crosslinked polyethylene composition comprising: 100 parts by weight of polyethylene , 0.05-5 parts by weight of crosslinking agent , and 0.03-3 parts by weight of crosslinking aid , wherein the polyethylene is a copolymer , homopolymer and/or a mixture thereof; the crosslinking agent is a multi-membered ...

POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME

The invention provides a composition comprising a first composition that comprises an ethylene-based polymer and an oil, and wherein the first composition has the following property as determined by small angle x-ray scattering: (L−L)/L>10%, where Lis the long period of the polymer with oil, and Lis the long period of the polymer without oil. 1. A composition comprising a first composition that comprises an ethylene-based polymer and an oil , and{'sub': oil−L', 'no-oil', 'no-oil, 'wherein the first composition has the following property as determined by Small Angle X-Ray Scattering: (L)L>10%,'}{'sub': 'oil', 'where Lis the long period of the polymer with oil, and'}{'sub': 'no-oil', 'Lis the long period of the polymer without oil.'}2. The composition of claim 1 , wherein the first composition has the following property as determined by small angle x-ray scattering: [[L/(L+L)]−[L/(L+L)]]/[L/(L+L)]≧7% claim 1 , where Lis the average amorphous lamellar thickness claim 1 , and Lis the average crystalline lamellar thickness.3. The composition of claim 1 , wherein the ethylene-based polymer has a molecular weight ratio claim 1 , Mz(abs)/Mz(conv) greater than 2.2.4. The composition of claim 1 , wherein the ethylene-based has a MR value less than 200 g/10 min claim 1 , where MR =12 x RR.5. The composition of claim 1 , wherein the ethylene-based polymer has a number average molecular weight (Mn(conv)) greater than 2800 g/mole claim 1 , as determined by GPC.6. The composition of claim 1 , wherein the ethylene-based polymer is a low density polyethylene (LDPE).7. The composition of claim 1 , wherein the ethylene-based polymer has a density from 0.900 to 0.940 g/cc.8. The composition of claim 1 , wherein the ethylene-based polymer has melt index (2) from 0.2 to 50 g/10 min9. The composition of claim 1 , wherein the ethylene-based polymer has a molecular weight distribution (Mw(conv)/Mn(conv)) greater than claim 1 , or equal to 3.10. The composition of claim 1 , wherein the ...

ELASTIC FILMS AND LAMINATES

This invention relates to methods of forming an elastic, breathable film/nonwoven layer laminate. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

Profile or molding having a fringed surface structure

Disclosed are mono-layer or multi-layer profiles or moldings wherein at least one layer comprises a fringed surface microstructure, a process for making these items and uses thereof. Further disclosed are articles of manufacture comprising such profile or molding.

COMPOSITIONS OF ETHYLENE/ALPHA-OLEFIN MULTI-BLOCK INTERPOLYMER FOR ELASTIC FILMS AND LAMINATES

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

Bleed-resistant, oil-extended olefin block copolymer composition with surface-active agent

The present disclosure provides an oil-extended olefin block copolymer composition. The oil-extended olefin block copolymer composition includes an olefin block copolymer, an oil, and a surface-active agent and may optionally include an olefin-based polymer. The oil-extended olefin block copolymer composition advantageously exhibits reduced, or no, oil-bleed.

Bleed resistant, oil-extended olefin block copolymer composition with microcrystalline wax

Disclosed are oil-extended olefin block copolymer compositions with microcrystalline wax. The microcrystalline wax reduces oil-bleed while maintaining composition softness.

Fibers for polyethylene nonwoven fabric

The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise monocomponent fibers having a surface comprising a polyethylene, said nonwoven material having a fuzz/abrasion of less than 0.7 mg/cm 3 . The present invention is also related to fibers having a diameter in a range of from 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: from 40 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/α-olefin interpolymer having: a melt index of from about 1 to about 1000 grams/10 minutes, and a density of from 0.870 to 0.950 grams/centimeter 3 , and from 74 to 20 percent by weight of a second polymer which is an ethylene homopolymer or an ethylene/α-olefin interpolymer having a melt index of from about 1 to about 1000 grams/10 minutes, and preferably a density which is at least 0.01 grams/centimeter 3 greater than the density of the first polymer.

Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates

This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.

CROSSLINKED POLYETHYLENE COMPOSITION HAVING IMPROVED PROCESSABILITY

Disclosed in the present invention is a crosslinked polyethylene composition having improved processability comprises: 100 parts by weight of polyethylene, 0.03-5 parts by weight of crosslinking agent, 0.03-5 parts by weight of crosslinking promoter, and 0.01-1.5 parts by weight of free radical inhibitor, wherein the polyethylene is a copolymer and/or homopolymer containing at least 90 wt. % of vinyl and at least one C-Cα-alkenyl, and has a density in the range of 0.920-0.970 g/cm, a melt index in the range of 2.5-17.5 g/10 min; the crosslinking agent is a peroxide crosslinking agent; the crosslinking promoter is an organic substance containing maleimido, (meth)acrylate group, and/or allyl, and/or a polymer containing more than 50% of vinyl; the free radical inhibitor is an organic antioxidant, a quinhydrone and/or a substituted quinhydrone. The crosslinked polyethylene composition of the present invention has a crosslinking efficiency index of more than 1,100 Nm/g and a δ torque value of more than 10 Nm at the temperature of 200° C., a significantly higher safety process temperature and a significantly improved crosslinking retardation time compared to the conventional crosslinked polyethylene composition, which make it especially be suitable for the production of rotational molding articles. 1. A crosslinked polyethylene composition having improved processability comprising: 100 parts by weight of polyethylene , 0.03-5 parts by weight of crosslinking agent , 0.03-5 parts by weight of crosslinking promoter , and 0.01-1.5 parts by weight of free radical inhibitor , wherein the polyethylene is a copolymer and/or homopolymer containing at least 90 wt. % of vinyl and at least one C-Cα-alkenyl , and has a density in the range of 0.920-0.970 g/cm , a melt index in the range of 2.5-17.5 g/10 min; the crosslinking agent is a peroxide crosslinking agent; the crosslinking promoter is an organic substance containing maleimido , (meth)acrylate group , and/or allyl , and/or a ...

Cellulose articles containing an additive composition

In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion.

Bleed resistant, oil-extended olefin block copolymer composition with surface-active agent

The present disclosure provides an oil-extended olefin block copolymer composition. The oil-extended olefin block copolymer composition includes an olefin block copolymer, an oil, and a surface-active agent and may optionally include an olefin-based polymer. The oil-extended olefin block copolymer composition advantageously exhibits reduced, or no, oil-bleed.

Film layers made from polymer formulations

Film layers made from formulated polymer compositions are disclosed. Film layers made from such formulated compositions have surprisingly good (for example, low) water vapor transmission rates and are particularly useful for packaging dry goods such as cereal. The polymer compositions preferably have at least one homogeneous ethylene homopolymer and at least one heterogeneously branched ethylene polymer. The homogeneous ethylene homopolymer has a molecular weight much higher than that of the heterogeneously branched ethylene polymer, although the density of each is preferably higher than about 0.95 g/cm 3 .

Polymeric Composition with Sealant Layer with Same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch. 1. A polymeric composition comprising:(A) a propylene/α-olefin interpolymer;(B) an ethylene-based polymer; i) a propylene-based crystalline polymer;', 'ii) an ethylene/α-olefin polymer; and', 'iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/α-olefin block., '(C) a block composite comprising2. The polymeric composition of wherein Component (A) comprises a propylene/ethylene copolymer having a density from 0.85 g/cc to 0.90 g/cc.32. The polymeric composition of any of - wherein Component (A) has a melt flow rate from 0.5 g/10 min to 10 g/min.43. The polymeric composition of any of - wherein Component (B) comprises an ethylene-based polymer having a density greater than 0.941 g/cc.54. The polymeric composition of any of - wherein Component (B) has a melt index from 1.0 g/10 min to 20.0 g/10 min.65. The polymeric composition of any of - wherein the block copolymer (C)(iii) comprises a diblock with the formula (1) below:{'br': None, '(EP)−(iPP) \u2003\u2003(1)'}wherein EP represents a segment of polymerized ethylene and propylene monomeric units, and iPP represents a segment of isotactic propylene homopolymer.76. The polymeric composition of any of - claims 1 , wherein block composite (C) comprises greater than 15 wt % of C(iii) claims 1 , based on the total weight of block composite (C).87. The polymeric composition of any of - wherein block composite (C) has a density from 0.88 g/cc to 0.90 g/cc and a melt index from 1 g/10 min to 50 g/ ...

Cellulose Articles Containing an Additve Composition

In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion.

Bleed resistant, oil-extended olefin block copolymer composition with precipitated silica

Disclosed are oil-extended olefin block copolymer compositions with precipitated silica. The precipitated silica reduces oil-bleed while maintaining composition softness.

Polymeric composition and sealant layer with same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch.

Filled polymer compositions made from interpolymers of ethylene/-olefins and uses thereof

A filled polymer composition comprises (i) an ethylene/α-olefin interpolymer, and (ii) a filler. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The filled polymer compositions provided herein, in certain embodiments, have relatively higher heat resistance and improved noise, vibration and harshness properties and can be used in automotive floorings, roofings, wire and cable coating applications.

Crosslinkable, expandable polymeric compositions

The present invention is a crosslinkable, expandable polymeric composition comprising a free-radical crosslinkable polymer, a free-radical inducing species, a crosslinking-profile modifier, and a blowing agent. Preferably, the free-radical inducing species is a low temperature free-radical inducing species.

Films with superior impact resistance and improved catastrophic failure resistance under high strain rate

Stretch films which exhibit good puncture and impact resistance while also exhibiting resistance to defect propagation are desired. The films of the present invention have an ultimate stretch of at least 200 percent, a dart impact strength of at least about 700 gms/mil and a catastrophic failure stretch of at least 95 percent of the elongation to break value (CF of 5 or less). The films preferably comprise at least 3 layers and preferably comprise at least 50 percent by weight of polyethylene polymers.

Compositions and Aqueous Dispersions

An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.

Compositions and aqueous dispersions

An aqueous dispersion including (A) at least one base polymer selected from the group consisting of an ethylene-based co-polymer and a propylene-based co-polymer; (B) at least one polymeric stabilizing agent; and at least one filler; wherein the polymeric stabilizing agent is different from the at least one base polymer and is compatible with the at least one base polymer and the at least one filler, and wherein the dispersion has filler in the range of greater than 0 to about 600 parts per hundred parts of a combined amount of the at least one base polymer and the polymeric stabilizing agent is disclosed.

Bleed Resistant, Oil-Extended Olefin Block Copolymer Composition with Precipitated Silica

Disclosed are oil-extended olefin block copolymer compositions with precipitated silica. The precipitated silica reduces oil-bleed while maintaining composition softness. 1. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/α-olefin multi-block copolymer;an oil; anda precipitated silica.2. The composition of wherein the olefin block copolymer has a density from about 0.85 g/cc to about 0.88 g/cc.3. The composition of comprising from about 30 wt % to about 40 wt % olefin block copolymer claim 1 , from about 45 wt % to about 55 wt % oil claim 1 , and from about 10 wt % to about 30 wt % precipitated silica.4. The composition of wherein the precipitated silica is the sole filler.5. The composition of comprising an oil/precipitated silica pre-mix.6. The composition of wherein the pre-mix comprises from about 60 wt % to about 80 wt % oil and from about 40 wt % to about 20 wt % precipitated silica.7. The composition of having a Shore A hardness from about 5 to about 50.8. The composition of having a normalized oil-bleed index of less than 20 after 1 week at 23° C.9. The composition of having a normalized oil-bleed index (NOBI) of less than 30 after 3 weeks at 23° C.10. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer;from 100 phr to 250 phr of an oil;from 30 phr to 100 phr of a precipitated silica; andthe composition has a Shore A hardness from 5 to 30 and a normalized oil-bleed index of less than or equal to 30 after three weeks at 23° C.11. The composition of comprising 150 phr oil.12. The composition of comprising from 60 phr to 100 phr precipitated silica.13. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer;a propylene-based polymer;an oil; anda precipitated silica.14. The composition of wherein the propylene-based polymer is a propylene homopolymer.15. The composition of comprising from about 10 wt % to about 40 wt % olefin block ...

Films with superior impact resistance and improved catastrophic failure resistance under high strain rate

Stretch films which exhibit good puncture and impact resistance while also exhibiting resistance to defect propagation are desired. The films of the present invention have an ultimate stretch of at least 200 percent, a dart impact strength of at least about 700 gms/mil and a catastrophic failure stretch of at least 95 percent of the elongation to break value (CF of 5 or less). The films preferably comprise at least 3 layers and preferably comprise at least 50 percent by weight of polyethylene polymers.

Electrode slurry, slurry electrode, flow battery and stack

A flow battery field, an electrode slurry, a slurry electrode, a flow battery, and a stack are disclosed. The electrode slurry comprising electrode particles and electrolyte that contains active substance. Based on 100 pbw active substance, the electrode particles are 10-1,000 pbw. The slurry electrode comprises: a bipolar plate, a current collector, and a slurry electrode reservoir configured to store electrode slurry. In the two opposite sides of the bipolar plate, one side is adjacent to the current collector, and the other side is arranged with a slurry electrode cavity, and flow channels are arranged and extended between the bipolar plate and the slurry electrode cavity, so that the electrode slurry is circulated between the slurry electrode cavity and the slurry electrode reservoir. A flow battery that employs the electrode slurry can provide higher and more stable power output under the same current condition and is lower in cost.

POLYPROPYLENE MODIFYING AGENT AND PREPARATION METHOD THEREFOR, POLYPROPYLENE COMPOSITION, AND POLYPROPYLENE MATERIAL AND PREPARATION METHOD THEREFOR

A polypropylene modifier and a preparation method therefor, polypropylene composition, and polypropylene material comprising the polypropylene modifier and a preparation method therefor are provided. The preparation method for the polypropylene modifier comprises: bringing a polar monomer grafted polypropylene into contact with a component A to carry out reactive extrusion and granulation, and then carrying out drying, wherein a polar monomer in the polar monomer grafted polypropylene is capable of chemically reacting with the component A; in formula (1), the polar monomer is selected from maleic anhydride, acrylic acid, and acrylate, etc; and the component A is selected from polyisocyanate, etc; and in formula (2), the polar monomer is selected from ditnethylaminoethyl methacrylate and epoxy acrylate, etc; and the component A is selected from polyisocyanate and polyethylene oxide, etc. When introduced into an ordinary linear polypropylene, the polypropylene modifier can significantly improve the melt strength and the mechanical properties of the polypropylene. 1. A preparation method for a polypropylene modifier , comprising:bringing a polar monomer grafted polypropylene into contact with a component A in formula (1) or formula (2) to carry out reactive extrusion and granulation, and then carrying out drying, wherein a polar monomer in the polar monomer grafted polypropylene is capable of chemically reacting with the component A;in formula (1), the polar monomer is at least one selected from maleic anhydride, acrylic acid, acrylate, methacrylic acid, methacrylate, vinyl neodecanoate, glycidyl methacylate, dimethylaminoethyl methacrylate, epoxy acrylate, trimeric acrylic isocyanurate, and acrylamide; and the component A is at least one selected from polyisocyanate and polyethylene oxide;in formula (2), the polar monomer is at least one selected from dimethylaminoethyl methacrylate, epoxy acrylate, trimeric acrylic isocyanurate, and acrylamide; and the component A is ...

COMPOSITE CARBON MATERIAL AND PREPARATION METHOD AND USE THEREOF

A composite carbon material and a preparation method and a use thereof. The composite carbon material comprises a graphite crystal phase and an amorphous carbon phase, wherein the ratio I/Iof the peak intensity Iof the graphite crystal phase (002) plane relative to the peak intensity Iof the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, and the content of the graphite crystal phase is not less than 5 wt %. The composite carbon material has high compressive strength, bending strength and thermal conductivity, and can be used as a heat dissipation material; the composite carbon material can also be used as an anode material of a lithium ion battery such that the lithium ion battery exhibits excellent electrochemical performance. 1. A composite carbon material comprising a graphite crystal phase and an amorphous carbon phase , wherein the ratio I/Iof the peak intensity Iof the graphite crystal phase (002) plane relative to the peak intensity Iof the amorphous carbon phase as measured by X-Ray Diffraction (XRD) is within a range of 0.1-40 , and the content of the graphite crystal phase is not less than 5 wt %.2. The composite carbon material of claim 1 , wherein the normalized ratio I/Iof the peak intensity Iof the graphite crystal phase (002) plane relative to the peak intensity Iof the amorphous carbon phase is within a range of 0.1-60.3. The composite carbon material of claim 1 , wherein the ratio I/FWHM of the peak intensity Iof the graphite crystal phase (002) plane relative to the full width at half maximum (FWHM) of the peak is within a range of 1 claim 1 ,000-80 claim 1 ,000.4. The composite carbon material of claim 1 , wherein the dispersion coefficient δ of the ratio Id/Ig of Id and Ig as measured by Raman spectrum is less than 0.8.5. The composite carbon material of claim 1 , wherein the true density p of the composite carbon material is within a range of 1.8 to 2.3 g/cm.6. A method of producing the composite ...

AMORPHOUS CARBON MATERIAL, PREPARATION METHOD AND USE THEREOF

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an use thereof. The amorphous carbon material has the following characteristics: (1) the true density ρ of the amorphous carbon material and the interlayer spacing dobtained by powder XRD spectrum analysis satisfy the relational formula: 100×ρ×d≥70; (2) the interlayer spacing d, Land Lsatisfy the following relational formula: L×d≤0.58; and 100×(L/L)×d≤0.425; (3) the amorphous carbon material contains 0.001-2% of a silicon component and 0.001-2% of an aluminum component, based on the total mass of the amorphous carbon material. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity. 1. An amorphous carbon material , wherein:{'sub': '002', 'claim-text': {'br': None, 'i': '×ρ×d', 'sub': '002', '100≥70 \u2003\u2003Formula (I);'}, '(1) a true density ρ of the amorphous carbon material and an interlayer spacing dobtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula{'sub': 002', 'a', 'c, 'claim-text': [{'br': None, 'i': L', '×d, 'sub': c', '002, '≤0.58 \u2003\u2003Formula (II), and'}, {'br': None, 'i': L', '/L', 'd, 'sub': c', 'a', '002, 'sup': 2', '3, '100×()×≤0.425 \u2003\u2003Formula (III);'}], '(2) the interlayer spacing d, Land Lof the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formulaand(3) the amorphous carbon material contains 0.001-2% by weight of a silicon component and 0.001-2% by weight of an aluminum component in term of element, based on the total mass of the amorphous carbon material;{'sup': '3', 'sub': 002', 'c', 'a, 'wherein ρ is denoted by the unit of g/cm, and each of d, Land Lis denoted by the unit of nm.'}2. The amorphous carbon material of claim 1 , wherein 100×ρ×d≤120.3. The amorphous carbon material of claim 1 , wherein L× ...

AMORPHOUS CARBON MATERIAL, PREPARATION METHOD AND USE THEREOF

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an application thereof. The amorphous carbon material has the following characteristics: (1) a true density ρ of the amorphous carbon material and a interlayer spacing dobtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula: 100×ρ×d≥70; (2) the interlayer spacing d, Land Lof the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula: L×d≤0.58, and 100×(L/L)×d≤0.425, wherein ρ is denoted by the unit of g/cm, each of d, Land Lis denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity. 1. An amorphous carbon material , wherein:{'sub': '002', 'claim-text': {'br': None, 'i': 'd', 'sub': '002', '100×ρ×≥70\u2003\u2003Formula (I);'}, '(1) a true density ρ of the amorphous carbon material and an interlayer spacing dobtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formulaand{'sub': 002', 'a', 'c, 'claim-text': [{'br': None, 'i': L', '×d, 'sub': c', '002, '≤0.58\u2003\u2003Formula (II), and'}, {'br': None, 'i': L', '/L', 'd, 'sub': c', 'a', '002, 'sup': 2', '3, '100×()×≤0.425\u2003\u2003Formula (III);'}], '(2) the interlayer spacing d, Land Lof the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula{'sup': '3', 'sub': 002', 'c', 'a, 'wherein ρ is denoted by the unit of g/cm, and each of d, Land Lis denoted by the unit of nm.'}2. The amorphous carbon material of claim 1 , wherein 100×ρ×d≤120 claim 1 , preferably 100×ρ×d≤100.3. The amorphous carbon material of claim 1 , wherein L×d≥0.1.4. The amorphous carbon material of claim 1 , wherein 100×(L/L)×d≥0.1.5. The amorphous carbon material of claim 1 , wherein the amorphous carbon ...

SILICON-CARBON COMPOSITE MATERIAL AND PREPARATION METHOD AND USE THEREOF

The present disclosure relates to the field of carbonaceous composite materials, in particular to a silicon-carbon composite material and a preparation method and a use thereof. The silicon-carbon composite material comprises a composite carbon material and nanometer silicon dispersed therein, wherein the composite carbon material is consisting of a graphitic crystal phase and an amorphous carbon phase, wherein the ratio I/Iof the peak intensity Iof the graphite crystal phase (002) plane relative to the peak intensity Iof the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, the graphite crystalline phase is uniformly dispersed in the composite material, the dispersion coefficient δ of the ratio Id/Ig of Id and Ig as measured by Raman data is less than 0.8. The silicon-carbon composite material provided by the present disclosure can be used as an anode material of a lithium ion battery, such that the lithium ion battery has desirable first charge and discharge performance and cycle stability, and the service life of the lithium ion battery can be prolonged. 1. A silicon-carbon composite material comprising a composite carbon material and nanometer silicon dispersed therein , wherein the composite carbon material is consisting of a graphitic crystal phase and an amorphous carbon phase , wherein the ratio I/Iof the peak intensity Iof the graphite crystal phase (002) plane relative to the peak intensity Iof the amorphous carbon phase as measured by X-Ray Diffraction (XRD) is within a range of 0.1-40 , and the content of the graphite crystal phase in the composite carbon material is not less than 5 wt %.2. The silicon-carbon composite material of claim 1 , wherein the nanometer silicon in the silicon-carbon composite material is present within a range of 1-50 wt % claim 1 , further wherein the nanometer silicon is selected from nanometer silicon powder and/or nanometer silicon monoxide.3. The silicon-carbon composite material ...

UPDATE METHOD FOR MOBILE PHONE TELEVISION SERVICE GUIDE, MOBILE TELEVISION PLATFORM AND TERMINAL

A method for updating a mobile phone television service guide, a mobile phone television platform and a terminal are disclosed. The method for updating a mobile phone television service guide includes: a mobile phone television platform acquiring synchronous service guide information from an Electronic Service Guide (ESG), the service guide information including channel information and program information; the mobile phone television platform dividing the service guide information into different types of fragments according to a data model of the service guide information, and updating the service guide information based on the different types of fragments; and the mobile phone television platform issuing updated service guide information to a terminal. 1. A method for updating a mobile phone television service guide , comprising:a mobile phone television platform acquiring synchronous service guide information from an Electronic Service Guide (ESG), the service guide information including channel information and program information;the mobile phone television platform dividing the service guide information into different types of fragments according to a data model of the service guide information, and updating the service guide information based on the different types of fragments;the mobile phone television platform issuing updated service guide information to a terminal; andthe terminal parsing the service guide information to acquire different types of fragments of the service guide information, and completing update of the service guide information based on the different types of fragments.2. The method according to claim 1 , wherein claim 1 ,the data model of the service guide information comprises a stable state type of data model, a normal state type of data model, and a dynamic state type of data model, and types and definitions of various types of service data structures which are amended according to different types of data models, andthe different types ...

Bleed-Resistant, Oil-Extended Olefin Block Copolymer Composition with Surface-Active Agent

The present disclosure provides an oil-extended olefin block copolymer composition. The oil-extended olefin block copolymer composition includes an olefin block copolymer, an oil, and a surface-active agent and may optionally include an olefin-based polymer. The oil-extended olefin block copolymer composition advantageously exhibits reduced, or no, oil-bleed. 1. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/∝-olefin multi-block copolymer;an oil; anda surface-active agent.2. The composition of wherein the olefin block copolymer has a density from 0.85 g/cc to 0.88 g/cc.3. The composition of comprising from about 30 wt % to 70 wt % olefin block copolymer claim 1 , from 30 wt % to 70 wt % oil claim 1 , and from 0.01 wt % to 2.0 wt % surface-active agent.4. The composition of wherein the surface-active agent is a fluorosurfactant.5. The composition of wherein the surface-active agent is a polysiloxane surfactant.6. The composition of having a Shore A hardness from 5 to 50.7. The composition of having a normalized oil-bleed index (NOBI) of less than 30 after 1 week at 23° C.8. The composition of having a normalized oil-bleed index (NOBI) of less than 30 after 3 weeks at 23° C.9. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/∝-olefin multi-block copolymer;from 70 phr to 250 phr of an oil;from 0.05 phr to 5 phr of a surface-active agent; andthe composition has a Shore A hardness from 5 to 50 and a normalized oil-bleed index of less than or equal to 30 after three weeks at 23° C.10. The composition of comprising 150 phr oil.11. The composition of comprising from 0.5 phr to 5 phr surface-active agent.12. An oil-extended olefin block copolymer composition comprising:an olefin block copolymer that is an ethylene/∝-olefin multi-block copolymer;an olefin-based polymer;an oil; anda surface-active agent.13. The composition of wherein the olefin-based polymer ...

Improved fibers for polyethylene nonwoven fabric

The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise monocomponent fibers having a surface comprising a polyethylene, said nonwoven material having a fuzz/abrasion of less than 0.7 mg/cm 3. The present invention is also related to fibers having a diameter in a range of from 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: from 26 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/α-olefin interpolymer having: a melt index of from 1 to 1000 grams/l0 minutes, and a density of from 0.870 to 0.950 grams/centimeter3, and from 74 to 20 percent by weight of a second polymer which is an ethylene homopolymer or an ethylene/α-olefin interpolymer having a melt index of from 1 to 1000 grams/ 10 minutes, and preferably a density which is at least 0.01 grams/centimeter3 greater than the density of the first polymer.

Polymer compositions, methods of making the same, and articles prepared from the same

The invention provides a composition comprising at least the following: A) an ethylene-based polymer having at least the following characteristics: (i) a melting temperature of greater than, or equal to, 100°C, as determined by DSC, and (ii) a molecular weight ratio, Mz(abs)/Mz(conv) greater than 2.2; and B) an oil.

Polymer compositions, methods of making the same, and articles prepared from the same

The invention provides a composition comprising a first composition that comprises an ethylene-based polymer and an oil, and wherein the first composition has the following property as determined by small angle x-ray scattering: (L oil - L no-oil ) / L no-oil > 10%, where L oil is the long period of the polymer with oil, and L no-oil is the long period of the polymer without oil.

Improved fibers for polyethylene nonwoven fabric

A fiber having a diameter in a range of from 0.1 to 50 denier, said fiber comprising a polymer blend, wherein the polymer blend comprises: a. from 26 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/α-olefin interpolymer having: i. a melt index of from 1 to 1000 grams/10 minutes, and ii. a density of from 0.870 to 0.950 grams/centimeter 3 , and b. from 74 to 20 percent by weight of a second polymer which is an ethylene homopolymer or an ethylene/α-olefin interpolymer having: i. a melt index of from 1 to 1000 grams/10 minutes, and preferably ii. a density which is at least 0.01 grams/centimeter 3 greater than the density of the first polymer wherein the overall melt index for the polymer blend is greater than 18 g/10min.

Polymeric compositions and foams, methods of making the same, and articles prepared from the same

The invention provides a composition comprising an ethylene/α-olefin/non-conjugated diene interpolymer, which has the following properties: an M z (abs)/M z (Conv) value greater than 1.35; an M z (BB)/M w (abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer.

nonwoven material and fiber

material não tecido e fibra. a presente invenção refere-se a telas ou panos não tecidos. em particular, a presente invenção refere-se a telas não tecidas tendo características de resistência à abrasão superiores e excelentes de maciez. os materiais não tecidos compreendem fibras monocomponentes tendo uma superfície compreendendo polietileno, o dito material não tecido tendo uma relação de esfiapamento abrasão de menos que 0.7 mg/cm^ 3^. a presente invenção também se refere a fibras tendo um diâmetro na faixa de 0,1 a 50 denier, as ditas fibras compreendendo uma mistura de polímeros, onde a mistura de polímeros compreende: 26 por cento em peso a 80 por cento em peso (em peso da mistura de polímeros) de um primeiro polímero que é um interpolímero de etileno homogêneo/<244>-olefina homogêneo tendo: um índice de fusão de 1 a 1000 gramas/10 minutos, e uma densidade de 0,870 a 0,950 grama/centímetro^ 3^, e de 74 a 20 por cento em peso de um segundo polímero que é um homopolímero de etileno ou um interpolímero de etileno/<244>-olefina tendo: i.um índice de fusão de 1 a 1000 gramas/10 minutos, e preferivelmente, uma densidade de pelo menos 0,01 grama/centímetro^ 3^, maior que a densidade do primeiro polímero. nonwoven material and fiber. The present invention relates to nonwoven fabrics or cloths. In particular, the present invention relates to nonwoven fabrics having superior abrasion resistance characteristics and excellent softness. nonwoven materials comprise monocomponent fibers having a surface comprising polyethylene, said nonwoven material having an abrasion fraying ratio of less than 0.7 mg / cm3. The present invention also relates to fibers having a diameter in the range of 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: 26 weight percent to 80 weight percent (by weight). weight of the polymer blend) of a first polymer which is a homogeneous ethylene / homogeneous β-olefin interpolymer having: a melt ...

Polymer compositions, methods of making the same, and articles prepared from the same

STRUCTURE FOR THERMOCONFORMABLE FLOOR COATING WITH LITTLE BRIGHT.

Una mezcla de polímeros que comprende A) un elastómero seleccionado del grupo consistente en interpolímeros de etileno/alfa-olefina ramificados de forma homogénea o heterogénea, interpolímeros de etileno/vinil aromático sustancialmente al azar, copolímeros de etileno acetato de vinilo (EVA), etileno acrilato de etilo (EEA) y etileno/ácido acrílico (EAA), poliisopreno, polibutadieno, cauchos de etileno/propileno, cauchos de etileno/propileno dieno (EPDM), cauchos de silicona, cauchos de estireno/butadieno, poliuretanos termoplásticos, copolímeros de bloque estirénicos de estireno/butadieno/estireno (SBS), estireno/isopreno/estireno (SIS) y estireno/etileno/butadieno/estireno (SEBS), polietileno clorado (CPE), caucho buna y nitrilos y combinaciones de los mismos; B) un copolímero de propileno/etileno al azar que tiene una temperatura de fusión (TM) por Calorimetría de Barrido Diferencial DSC (medida según la norma ASTM D3417) menor que 160ºC; C) un agente de reticulación; y opcionalmente D) un polímero potenciador de la resistencia en estado fundido seleccionado del grupo consistente en polietileno de baja densidad (LDPE), polietileno de alta densidad (HDPE), poliestireno (PS), etileno/propileno/dieno monómero (EDPM) y polietileno de peso molecular ultraalto (UHMWPE), y combinaciones de los mismos. A mixture of polymers comprising A) an elastomer selected from the group consisting of homogeneously or heterogeneously branched ethylene / alpha-olefin interpolymers, substantially random aromatic ethylene / vinyl interpolymers, ethylene vinyl acetate (EVA) copolymers, ethylene ethyl acrylate (EEA) and ethylene / acrylic acid (EAA), polyisoprene, polybutadiene, ethylene / propylene rubbers, ethylene / propylene diene rubbers (EPDM), silicone rubbers, styrene / butadiene rubbers, thermoplastic polyurethanes, copolymers of styrene / butadiene / styrene (SBS), styrene / isoprene / styrene (SIS) and styrene / ethylene / butadiene / styrene (SEBS), chlorinated polyethylene (CPE ...

Polymer compositions, methods of making the same, and articles prepared from the same

The invention provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has an [(ML(1+4, 125°C))/Mw(conv)]*1000 greater than 0.429 mole/g. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML, 1+4, 125°C) greater than, or equal to, 70, and has a low shear viscosity (η at 0.1 rad/sec) less than, or equal to, 100,000 Pa•sec. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML(1+4, 125°C)) greater than, or equal to, 70, and has an [Mw(abs)]/[Mw(conv)] less than 1.2.

Improved fibers for polyethylene nonwoven fabric

The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise monocomponent fibers having a surface comprising a polyethylene, said nonwoven material having a fuzz/abrasion of less than 0.7 mg/cm 3. The present invention is also related to fibers having a diameter in a range of from 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: from 26 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/α-olefin interpolymer having: a melt index of from 1 to 1000 grams/l0 minutes, and a density of from 0.870 to 0.950 grams/centimeter3, and from 74 to 20 percent by weight of a second polymer which is an ethylene homopolymer or an ethylene/α-olefin interpolymer having a melt index of from 1 to 1000 grams/ 10 minutes, and preferably a density which is at least 0.01 grams/centimeter3 greater than the density of the first polymer.

Polymeric compositions and foams, methods of making the same, and articles prepared from the same

Film with superior impact resistance and improved catastrophic failure resistance under high strain rate

Stretch films which exhibit good puncture and impact resistance while also exhibiting resistance to defect propagation are desired. The films of the present invention have an ultimate stretch of at least 200 percent, a dart impact strength of at least about 700 gms/mil and a catastrophic failure stretch of at least 95 percent of the elongation to break value (CF of 5 or less). The films preferably comprise at least 3 layers and preferably comprise at least 50 percent by weight of polyethylene polymers.

Improved cellulose articles containing an additive composition

In one embodiment, the present invention provides a method of forming a cellulose article having a specific volume of less than 3 cc/gm. The method includes the step of incorporating cellulose fibers with a compound, wherein the compound includes an aqueous dispersion. The aqueous dispersion may have at least one polymer selected from the group consisting of an ethylene-based thermoplastic polymer, a propylene-based thermoplastic polymer, and mixtures thereof; at least one polymeric stabilizing agent; and water. In certain embodiments, a combined amount of the at least one polymer and the at least one stabilizing agent comprises about 25 to about 74 volume percent of the aqueous dispersion.

Polymeric composition and sealant layer with same

. Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch.

Polymeric composition and sealant layer with same

Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch.

Film with superior impact resistance and improved catastrophic failure resistance under high strain rate

Polymeric compositions, methods of making the same, and articles prepared from the same

The invention provides a composition comprising at least the following: A) from "greater than zero" to "less than 100" phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene, and wherein the interpolymer comprises less than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomers, and wherein the interpolymer has a molecular weight distribution (M w/ M n ) less than 3; B) from "less than 100" to "greater than zero" phr (based on sum weight of Components A and B) of an interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene, and wherein the interpolymer comprises greater than, or equal to, 5 weight percent of the polyene, based on the total amount of polymerized monomer; and wherein the total polyene content is less than 7 weight percent (based on the total amount of polymerized monomers in the interpolymers of Components A and B).

Compositions of ethylene/alpha-olefin multi-block interpolymer for blown films with high hot tack

The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm > -2002.9 + 4538.5(d) - 2422.2(d)2.

Polymer blends from interpolymers of ethylene/α-olefins and flexible molded articles made therefrom

Functionalized elastomer compositions

The present invention relates to olefinic compositions comprising a functionalized branched olefin copolymer containing functionalized sidechains derived from olefin and at least one chain end nucleophilic heteroatom containing functional group with at least one protic hydrogen, optionally with one or more copolymerizable monomers, the copolymer characterized by having A) a Tg <-10°C as measured by DSC; B) a Tm > 100°C; C) an elongation at break of greater than or equal to 500 percent; D) a Tensile Strength of greater than or equal to 1,500 psi (10,300 kPa) at 25°C.; E) a TMA temperature>80°C, and F) an elastic recovery of greater than or equal to 50 percent.

Compositions of ethylene/alpha-olefin multi-block inter-polymer for blown films with high hot tack

Filled polymer compositions made from interpolymers of ethylene/a-olefins and uses thereof

A FILLED POLYMER COMPOSITION COMPRISES (I) AN ETHYLENE/A-OLEFIN INTERPOLYMER. AND (II) A FILLER. THE ETHYLENE/A-OLEFIN INTERPOLYMER IS A BLOCK COPOLYMER HAVING AT LEAST A HARD BLOCK AND AT LEAST A SOFT BLOCK. THE SOFT BLOCK COMPRISES A HIGHER AMOUNT OF COMONOMERS THAN THE HARD BLOCK. THE BLOCK INTERPOLYMER HAS A NUMBER OF UNIQUE CHARACTERISTICS DISCLOSED HERE. THE FILLED POLYMER COMPOSITIONS PROVIDED HEREIN, IN CERTAIN EMBODIMENTS, HAVE RELATIVELY HIGHER HEAT RESISTANCE AND IMPROVED NOISE, VIBRATION AND HARSHNESS PROPERTIES AND CAN BE USED IN AUTOMOTIVE FLOORINGS, ROOFINGS, WIRE AND CABLE COATING APPLICATIONS.

Filled polymer compositions made from interpolymers of ethylene/alpha-olefins and uses thereof

Polymer blends from interpolymers of ethyleno/alpha-olefins and flexible molded articles made therefrorr

Polymer compositions, methods of making the same, and articles prepared from the same

The invention provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has an [(ML(1+4, 125°C))/Mw(conv)]*1000 greater than 0.429 mole/g. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML, 1+4, 125°C) greater than, or equal to, 70, and has a low shear viscosity (η at 0.1 rad/sec) less than, or equal to, 100,000 Pa•sec. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML(1+4, 125°C)) greater than, or equal to, 70, and has an [Mw(abs)]/[Mw(conv)] less than 1.2.

由聚合物配方所製備之薄膜層

Filled polymer compositions made from interpolymers of ethylene α-olefins and uses thereof

Polymeric composition and sealant layer with same

Polymer blends from interpolymers of ethylene/alpha-olefins and flexible molded articles made therefrom

Polymer blends comprises 1) at least one ethylene/α-olefin interpolymer and 2) at least one polyolefin, or at least one styrenic block copolymer, or a combination thereof. Such polyolefins include, but are not limited to, high melt strength high density polyethylene and high melt strength polypropylene. The ethylene/α-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The polyolefins can be homopolymers or interpolymers. The resulting polymer blends can be used to make flexible molded articles.

Polymer blends from interpolymers of ethylene/alpha-olefins and flexible molded articles made therefrom

Polymer blends comprises 1) at least one ethylene/α-olefin interpolymer and 2) at least one polyolefin, or at least one styrenic block copolymer, or a combination thereof. Such polyolefins include, but are not limited to, high melt strength high density polyethylene and high melt strength polypropylene. The ethylene/α-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The polyolefins can be homopolymers or interpolymers. The resulting polymer blends can be used to make flexible molded articles.

Film layers made from polymer formulations

Film layers made from formulated polymer compositions are disclosed. Film layers made from such formulated compositions have surprisingly good (for example, low) water vapor transmission rates and are particularly useful for packaging dry goods such as cereal. The polymer compositions preferably have at least one homogeneous ethylene homopolymer and at least one heterogeneously branched ethylene polymer. The homogeneous ethylene homopolymer has a molecular weight much higher than that of the heterogeneously branched ethylene polymer, although the density of each is preferably higher than about 0.95 g/cm3.

Film layers made from polymer formulations

Polymer blends from interpolymers of ethylene/alpha-olefins and flexible molded articles made therefrom

Polymer blends comprises 1) at least one ethylene/α-olefin interpolymer and 2) at least one polyolefin, or at least one styrenic block copolymer, or a combination thereof. Such polyolefins include, but are not limited to, high melt strength high density polyethylene and high melt strength polypropylene. The ethylene/α-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The polyolefins can be homopolymers or interpolymers. The resulting polymer blends can be used to make flexible molded articles.

Fringed surface structures obtainable in a compression molding process

Disclosed are mono-layer or multi-layer films, sheets, or coatings wherein at least one layer comprises a fringed surface microstructure (1), a process for making these items and uses thereof. Further disclosed are articles of manufacture comprising such film, sheet, or coating.

Improved cellulose articles containing an additive composition

FILLED POLYMER COMPOSITIONS MADE FROM INTERPOLYMERS OF ETHYLENE/α-OLEFINS AND USES THEREOF

A filled polymer composition comprises (i) an ethylene/α-olefin interpolymer, and (ii) a filler. The ethylene/α-olefm interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The filled polymer compositions provided herein, in certain embodiments, have relatively higher heat resistance and improved noise, vibration and harshness properties and can be used in automotive floorings, roofings, wire and cable coating applications.

Compositions of ethylene/alpha-olefin multi-block interpolymer for blown films with high hot tack

The present invention relates to film layers and compositions having improved hot tack properties. The compositions comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm > -2002.9 + 4538.5(d) - 2422.2(d)2.

FILLED POLYMER COMPOSITIONS MADE FROM INTERPOLYMERS OF ETHYLENE/α-OLEFINS AND USES THEREOF

A filled polymer composition comprises (i) an ethylene/α-olefin interpolymer, and (ii) a filler. The ethylene/α-olefm interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The filled polymer compositions provided herein, in certain embodiments, have relatively higher heat resistance and improved noise, vibration and harshness properties and can be used in automotive floorings, roofings, wire and cable coating applications.