Golf ball composition

The present invention relates to golf ball where at least one of the outer cover layer and the intermediate layer (if present) includes a blend composition of about 2 to about 40 wt % of a polyamide and about 60 to about 98 wt % of one or more of either a block copolymer, an acidic copolymer; an acidic terpolymer; an ionomer, or a multi component blend composition (“MCBC”); and where the polyamide has a melting point which is greater than about 5 and less than about 200° C. above the melting point of the other blend component.

Gas barrier coating having improved bond strength

In order to maintain adequate bond strength of a composite in which a gas barrier coating comprising a clay dispersion and a polymer solution or dispersion of a PVA and/or EVA is positioned between two flexible plastics films using an adhesive, it is necessary that the clay dispersion and the polymer solution or dispersion should be kept separate until shortly before they are to be applied.

ETHYLENE-VINYL ALCOHOL COPOLYMER COMPOSITION PELLET AND PROCESS FOR PRODUCING SAID ETHYLENE-VINYL ALCOHOL COPOLYMER COMPOSITION PELLET

The present invention provides ethylene-vinyl alcohol copolymer composition pellet reduced in coloration. The ethylene-vinyl alcohol copolymer composition pellet of the invention include an ethylene-vinyl alcohol copolymer (A), a polyamide resin (B), and an alkaline earth metal salt (C) and have a yellowness index (YI) value of 10 or less when examined with a spectral color-difference meter by a transmission method. 1. An ethylene-vinyl alcohol copolymer composition pellet comprising:an ethylene-vinyl alcohol copolymer (A),a polyamide resin (B), andan alkaline earth metal salt (C),wherein a yellowness index (YI) value obtained by measuring the pellet with a spectral color-difference meter by a transmission method is 10 or less.2. The ethylene-ethylene-vinyl alcohol copolymer composition pellet according to claim 1 ,wherein a mass ratio ((A)/(B)) of the ethylene-vinyl alcohol copolymer (A) and the polyamide resin (B) is from 60/40 to 98/2.3. The ethylene-vinyl alcohol copolymer composition pellet according to claim 1 ,wherein a content of the alkaline earth metal salt (C), in terms of metal amount, is 10-200 ppm based on a sum of the ethylene-vinyl alcohol copolymer (A) and the polyamide resin (B).4. The ethylene-vinyl alcohol copolymer composition pellet according to claim 1 , which further contain an antioxidant.5. An ethylene-vinyl alcohol copolymer composition molding claim 1 , which is obtained by melt-molding the ethylene-vinyl alcohol copolymer composition pellet according to .6. A process for producing ethylene-vinyl alcohol copolymer composition pellet having a yellowness index (YI) value claim 1 , as measured with a spectral color-difference meter by a transmission method claim 1 , of 10 or less claim 1 , comprising:melt-kneading a resin composition comprising an ethylene-vinyl alcohol copolymer (A), a polyamide resin (B), and an alkaline earth metal salt (C) using a melt-kneading device,wherein a temperature of an ethylene-vinyl alcohol copolymer ...

Process for Making Crosslinked Cable Insulation Using High Melt Strength Ethylene-Based Polymer Made in a Tubular Reactor and Optionally Modified with a Branching Agent

An insulated wire or cable is made by a process comprising the steps of: 16-. (canceled)7. A process of making an insulated wire or cable , the process comprising the steps of: (1) a high melt strength ethylene-based polymer made in a tubular reactor and modified with at least one of PPG AEMA, a di- or higher functional (meth)acrylate, a monomeric chain transfer agent, or an asymmetrical polyene, and', '(2) a peroxide, and, '(A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of ≤0.5% and comprising(B) crosslinking the modified, high melt strength ethylene-based polymer.9. A process of making an insulated wire or cable , the process comprising the steps of: [{'sup': 'th', '(1) a branch modified, high melt strength ethylene homopolymer made in a tubular reactor by a process using (A) a tubular reactor comprising i (i≥3) reaction zones in which (1) the peak temperature of the first reaction zone is greater than the peak temperature in the ireaction zone, and (2) the pressure in each reactor zone is less than or equal to (≤) 300 MPa, and (B) a chain transfer agent (CTA) that has a chain transfer constant (Cs) less than or equal to (≤) 0.5, and'}, '(2) a peroxide, and, '(A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of ≤0.5% and comprising(B) crosslinking the branch modified, high melt strength ethylene homopolymer.10. The process of in which the chain transfer agent (CTA) has a chain transfer constant (Cs) less than or equal to (≤) 0.017.11. The process of in which the peroxide is an organic peroxide.12. A low- claim 7 , medium claim 7 , high or extra-high voltage wire or cable comprising:a metal conductor or an optical fiber;an insulation sheath extruded onto the metal conductor or optical fiber, the ...

Heat resistant hydrocarbon elastomer compositions

Disclosed herein is a curable composition comprising ethylene copolymer elastomer, a relatively small amount of a polyamide, and optionally a compatibilizer wherein curable composition demonstrates improved heat aging properties without the loss of tensile strength. Also disclosed is the process for making such curable ethylene copolymer elastomer.

Melt-formable ethylene-vinyl alcohol copolymer composition, pellets, and multilayer structure

A melt-formable ethylene-vinyl alcohol copolymer composition and a multilayer structure are substantially free from heat coloration. The melt-formable ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an alkali earth metal compound; and (C) an iron compound; wherein the iron compound (C) is present in an amount of 0.01 to 20 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition.

Polymer composition for photovoltaic applications

The present invention relates to a polymer composition, to an article comprising the polymer composition, preferably to an article which is a photovoltaic (PV) module comprising at least one layer element (LE) comprising the polymer composition and to a process for producing said article, preferably said photovoltaic (PV) module.

PRODUCTS AND USES THEREOF

Alumina products containing a fine particle size component and a coarse particle size component, and with specific particle size characteristics and irregular and non-spherical particle shapes, are disclosed. These alumina products can be used in polymer formulations to produce composites having high isotropic thermal conductivity. 1. An alumina product having a fine particle size component and a coarse particle size component , wherein:the fine particle size component has a d50 particle size in a range from about 0.3 to about 6 μm;the coarse particle size component has a d50 particle size in a range from about 7 to about 35 and is characterized by an average aspect ratio in a range from about 1.5 to about 30; andthe amount of the fine particle size component in the alumina product is from about 10 to about 90 wt. %, based on the total weight of the fine particle size component and the coarse particle size component.2. The alumina product of claim 1 , wherein the alumina product has:a d50 particle size in a range from about 1 to about 20 μm; anda d90 particle size in a range from about 5 to about 50 μm.3. The alumina product of claim 1 , wherein the alumina product has:a d50 particle size in a range from about 1.5 to about 6 μm; anda d90 particle size in a range from about 7 to about 35 μm.4. The alumina product of claim 1 , wherein:the fine particle size component has a d50 particle size in a range from about 0.5 to about 5 μm;the coarse particle size component has a d50 particle size in a range from about 10 to about 30 μm; andthe amount of the fine particle size component in the alumina product is from about 30 to about 80 wt. %, based on the total weight of the fine particle size component and the coarse particle size component.5. The alumina product of claim 1 , wherein:the fine particle size component has a d90 particle size in a range from about 1 to about 16 μm;the coarse particle size component has a d90 particle size in a range from about 20 to about 55 μm ...

INK SUPPLY TUBE

An ink supply tube of the present invention comprising an inner layer to come into contact with ink, a middle layer having at least three layers, and an outer layer, wherein the middle layer includes a first middle layer, a second middle layer, and a third middle layer, the inner layer comprises one of an ethylene-tetrafluoroethylene copolymer resin, a tetrafluoroethylene-perfluoroalkoxy alkane copolymer resin, and a modified perfluoroalkoxy-based resin, each having a solvent resistance, an oxygen barrier property, and a low moisture permeability, the first middle layer comprises a polyamide resin having a fusibility with the inner layer or the second middle layer, the second middle layer comprises an ethylene-vinyl alcohol copolymer resin having an oxygen barrier property, the third middle layer comprises an adhesive polyolefin resin having a fusibility with the second middle layer or the outer layer, and having a low moisture permeability, and the outer layer comprises a thermoplastic resin or elastomer. Accordingly, an ink supply tube for an inkjet printer is provided that has a more excellent oxygen barrier property and a more excellent low moisture permeability in addition to an excellent solvent resistance and an excellent flexibility. 13-. (canceled)4. An ink supply tube comprising an inner layer to come into contact with ink , a middle layer having at least three layers , and an outer layer , whereinthe middle layer includes a first middle layer, a second middle layer, and a third middle layer,the inner layer comprises one of an ethylene-tetrafluoroethylene copolymer resin, a tetrafluoroethylene-perfluoroalkoxy alkane copolymer resin, and a modified perfluoroalkoxy-based resin, each having a solvent resistance, an oxygen barrier property, and a low moisture permeability,the first middle layer comprises one of a polyamide resin, a polyamide-based elastomer, adhesive polyolefin, or polyurethane resin, each having a fusibility with the inner layer and the ...

Alumina Products and Uses Thereof in Polymer Compositions with High Thermal Conductivity

Alumina products containing a fine particle size component and a coarse particle size component, and with specific particle size characteristics and irregular and non-spherical particle shapes, are disclosed. These alumina products can be used in polymer formulations to produce composites having high isotropic thermal conductivity. 110-. (canceled)11. A polymer composition comprising:(a) a polymer; and(b) an alumina product having a fine alumina particle size component and a coarse alumina particle size component, wherein:the fine alumina particle size component has a d50 particle size in a range from about 0.3 to about 6 μm;the coarse alumina particle size component has a d50 particle size in a range from about 7 to about 35 μm, and is characterized by an average aspect ratio in a range from about 1.5 to about 30; andthe amount of the fine alumina particle size component in the alumina product is from about 10 to about 90 wt. %, based on the total weight of the fine alumina particle size component and the coarse alumina particle size component.12. The polymer composition of claim 11 , wherein the polymer composition has an isotropic thermal conductivity in a range from about 0.5 to about 8 W/m·K.13. The polymer composition of claim 11 , wherein the polymer composition has an isotropic thermal conductivity in a range from about 1 to about 5 W/m·K.14. The polymer composition of claim 11 , wherein:the polymer comprises a thermoplastic polymer; andthe amount of the alumina product, based on the total polymer composition, is in a range from about 80 to about 93 wt. %.15. The polymer composition of claim 11 , wherein:the polymer comprises a thermoset polymer; andthe amount of the alumina product, based on the total polymer composition, is in a range from about 47 to about 74 vol. %.16. The polymer composition of claim 11 , wherein:the polymer comprises a polyether polyol;the alumina product is surface treated;the amount of the alumina product, based on the total polymer ...

Blow-Moldable Polyamide Compositions

Thermoplastic molding compositions comprising 2. The thermoplastic molding composition according to claim 1 , comprisingA) from 20 to 99.5% by weightB) from 1 to 30% by weightC) from 0.1 to 10% by weightD) from 0.001 to 20% by weightE) from 0.05 to 3% by weightF) from 100 ppm to 5% by weightG) from 0.01 to 2% by weightH) from 0 to 50% by weightwhere the total of the percentages by weight of A) to H) is 100%.3. The thermoplastic molding composition according to or claim 1 , comprising claim 1 , as component C) claim 1 , a copolymer of styrene (C) and maleic anhydride (C).4. The thermoplastic molding composition according to to claim 1 , comprising claim 1 , as component C) claim 1 , a copolymer with a ratio of from 1:1 to 8:1 between the units C:C.5. The thermoplastic molding composition according to to claim 1 , where the molar mass (M) of component C) is from 5000 to 25 000 g/mol.6. The thermoplastic molding composition according to to claim 1 , comprising claim 1 , as component F) claim 1 , alkali metal salts or alkaline earth metal salts of oxo acids of phosphorus.7. The thermoplastic molding composition according to to claim 1 , comprising claim 1 , as component B) claim 1 , a copolymer I of{'sub': '1', 'B) from 35 to 89.9% by weight of ethylene'}{'sub': '2', 'B) from 10 to 60% by weight of 1-octene or 1-butene or propylene or a mixture of these and'}{'sub': '3', 'B) from 0.05 to 5% by weight of functional monomers, where the functional monomers have been selected from the group of the carboxylic acid groups, carboxylic anhydride groups, carboxylic ester groups, carboxamide groups, carboximide groups, amino groups, hydroxy groups, epoxy groups, urethane groups and oxazoline groups and mixtures of these,'}or a copolymer II of{'sub': '1', 'B) from 50 to 98% by weight of ethylene'}{'sub': '4', 'B) from 2 to 50% by weight of acrylic acid or methacrylic acid or (meth)acrylate having from 1 to 18 carbon atoms, or'}{'sub': '5', 'B) from 0 to 20% by weight of functional ...

Oxygen-Scavenging Polymer Compositions

The present invention describes polymer compositions that have enhanced properties as oxygen barriers, as well as manufacturing methods for such oxygen-scavenging polymers and devices composed of such oxygen-scavenging polymers. These oxygen-scavenging polymers offer several benefits over existing materials, including a reduced ability for oxygen and carbon dioxide to permeate the polymer, reduced foaming of beverages stored in containers composed of the polymers, improved moisture absorption, and increased anti-bacterial/anti-fungal properties. 145-. (canceled)46. An oxygen-scavenging polymer , the oxygen-scavenging polymer comprising:a hydrophobic polymer;an oxygen scavenger; anda hydrophilic polymer.47. The oxygen-scavenging polymer of claim 46 , wherein the hydrophilic polymer and particles of the oxygen scavenger are each dispersed throughout a matrix of the hydrophobic polymer.48. The oxygen-scavenging polymer of claim 46 , wherein the hydrophilic polymer is selected from the group consisting of ethylene vinyl alcohol claim 46 , polyvinyl alcohol claim 46 , and polyesters such as polyamide.49. The oxygen-scavenging polymer of claim 46 , wherein the oxygen-scavenging polymer comprises between about 5% and about 20% oxygen scavenger claim 46 , and between about 1% and about 6% hydrophilic polymer.50. The oxygen-scavenging polymer of claim 49 , wherein the oxygen scavenger is a water-activated oxygen scavenger.51. The oxygen-scavenging polymer of claim 50 , wherein the water-activated oxygen scavenger is selected from the group consisting of sodium sulphite claim 50 , sodium ascorbate claim 50 , potassium sulphite claim 50 , and potassium ascorbate.52. The oxygen-scavenging polymer of claim 46 , wherein the hydrophobic polymer is selected from the group consisting of: polyolefins such as polyethylene or polypropylene; polyesters such as polyethylene terephthalate (PET); thermoplastic elastomers such as thermoplastic vulcanizate styrene isoprene butadiene claim 46 ...

Process for Making Crosslinked Cable Insulation Using High Melt Strength Ethylene-Based Polymer Made in a Tubular Reactor and Optionally Modified with a Branching Agent

An insulated wire or cable is made by a process comprising the steps of: (A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of <0.5% and comprising: (1) a high melt strength ethylene-based polymer made in a tubular reactor, and (2) a peroxide, and (B) crosslinking the high melt strength ethylene-based polymer. 1. A composition comprising a peroxide-crosslinked , high melt strength ethylene-based polymer , the ethylene-based polymer made in a tubular reactor , and the composition having at least one of the following two properties:(A) a dissipation factor (DF) measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of less than or equal to (≤) 0.5%; or [{'br': None, 'i': 'Ce', 'sup': '−0.3 (melt index with 2.16 kg load)', 'Melt Strength='}, 'where the parameter C is greater than or equal to (>) 15., '(B) satisfies the following equation at a test temperature of 190° C.2. (canceled)3. The composition of in which the ethylene-based polymer is modified with at least one of poly(propylene glycol) allyl ether methacrylate (PPG AEMA) claim 1 , a di- or higher functional (meth)acrylate claim 1 , a monomeric chain transfer agent claim 1 , or an asymmetrical polyene.5. The composition of in which the ethylene-based polymer is an ethylene homopolymer made by a process using (A) a tubular reactor comprising i (i≥3) reaction zones in which (1) the peak temperature of the first reaction zone is greater than the peak temperature in the ireaction zone claim 1 , and (2) the pressure in each reactor zone is less than or equal to (≤) 300 megaPascal (MPa) claim 1 , and (B) a chain transfer agent (CTA) that has a chain transfer constant (Cs) less than or equal to (≤) 0.5.6. The composition of in which the chain transfer agent (CTA) has a chain transfer constant (Cs) less than or equal to (≤) 0.017.7. A process of making an ...

AQUEOUS ETHYLENE-VINYL ALCOHOL COPOLYMER DISPERSION AND OXYGEN BARRIER MULTILAYER FILM COATED WITH SAID DISPERSION

An aqueous dispersion of ethylene-vinyl alcohol copolymers suitable to be used as lacquer to realize a thin coating both for flexible or rigid substrates, characterized by excellent oxygen and carbon dioxide barrier performances especially under high humidity conditions. The dispersion comprises a first ethylene-vinyl alcohol copolymer in the form of capsules with an ethylene content comprised between 24 and 38 mol % and a second ethylene-vinyl alcohol copolymer with an ethylene content lower than 15 mol %. 1. An aqueous dispersion , comprising:a first ethylene-vinyl alcohol copolymer in the form of capsules with an ethylene content ranging between 24 and 38 mol %; anda second ethylene-vinyl alcohol copolymer with an ethylene content lower than 15 mol %,wherein a weight ratio between said first ethylene-vinyl alcohol copolymer and said second ethylene-vinyl alcohol copolymer is in a range of from 0.40 to 0.70.2. The aqueous dispersion according to claim 1 , wherein the first ethylene-vinyl alcohol copolymer in the form of capsules has an ethylene content ranging between 27 and 32 mol %.3. The aqueous dispersion according to claim 1 , further comprising:an alcohol in an amount ranging between 5 and 10% by weight.4. The aqueous dispersion according to claim 1 , wherein the first ethylene-vinyl alcohol copolymer capsules have a particle size distribution with a volume mean diameter ranging between 0.1 and 10.0 μm.5. The aqueous dispersion according to claim 4 , wherein the first ethylene-vinyl alcohol copolymer capsules with a diameter larger than 1.0 μm comprise an internal cavity.6. The aqueous dispersion according to claim 1 , further comprising:a filler in an amount ranging between 0.1 and 7% by weight.7. The aqueous dispersion according to claim 6 , wherein the filler is selected from the group consisting of zeolites claim 6 , graphene claim 6 , graphene oxide claim 6 , cellulose claim 6 , and zirconium phosphate.8. The aqueous dispersion according to claim 1 , ...

Compositions Containing Ethylene Polymers

Disclosed are compositions which include an ethylene polymer derived from at least one polar monomer with one or more ester groups, which polymerize with ethylene, (e.g., a copolymer derived from ethylene and vinyl acetate or a copolymer derived from ethylene and n-butyl acrylate) and a rosin ester. The rosin ester can have a low hydroxyl number (e.g., a hydroxyl number six or five or less), a low acid number (e.g., an acid number of ten or less), a low PAN number (e.g., a PAN number of eight or less), or combinations thereof. The compositions can exhibit improved viscosity stability and/or color stability and/or a decreased amount of char particle formation upon thermal aging.

Rubber composition and tire therewith

The present invention provides a rubber composition having superior moldability, wear resistance, and grip performance, and tires therewith. The present invention relates to a rubber composition comprising: a copolymer (B) constituted of a vinyl alcohol polymer (B-1) region and a diene polymer (B-2) region; and a rubber component (C), wherein the rubber composition comprises 1 to 20 parts by mass of the copolymer (B) relative to 100 parts by mass of the rubber component (C).

Solar cell sealing film and solar cell using the same

To provide a solar cell sealing film which is suppressed in acid generation, and which has high transparency and improved insulation properties. A solar cell sealing film containing ethylene-vinyl acetate copolymer (EVA), ethylene-methyl methacrylate copolymer (EMMA), and a crosslinker, wherein a mass ratio of the ethylene-vinyl acetate copolymer to the ethylene-methyl methacrylate copolymer (EVA:EMMA) is in the range of from 10:90 to 90:10.

COMPOSITIONS CONTAINING ETHYLENE POLYMERS

Disclosed are compositions which include an ethylene polymer derived from at least one polar monomer with one or more ester groups, which polymerize with ethylene, (e.g., a copolymer derived from ethylene and vinyl acetate or a copolymer derived from ethylene and n-butyl acrylate) and a rosin ester. The rosin ester can have a low hydroxyl number (e.g., a hydroxyl number six or five or less), a low acid number (e.g., an acid number of ten or less), a low PAN number (e.g., a PAN number of eight or less), or combinations thereof. The compositions can exhibit improved viscosity stability and/or color stability and/or a decreased amount of char particle formation upon thermal aging. 1. A composition comprising ,(a) a polymer derived from ethylene polymer derived from at least one polar monomer with one or more ester groups, which polymerize with ethylene, and(b) a rosin ester having a hydroxyl number and an acid number,wherein the sum of the hydroxyl number and the acid number of the rosin ester is eighteen or less;wherein the rosin ester has a PAN number of eight or less.2. The composition of claim 1 , wherein the rosin ester has an acid number of fifteen or less.3. The composition of claim 1 , wherein the sum of the hydroxyl number and the acid number is ten or less.4. The composition of claim 1 , wherein the rosin ester is derived from tall oil rosin claim 1 , gum rosin claim 1 , wood rosin claim 1 , or a combination thereof.5. The composition of claim 1 , wherein the rosin ester has a Gardner color of four or less.6. The composition of claim 1 , wherein the rosin ester is derived from a polyhydric alcohol comprising ethylene glycol claim 1 , propylene glycol claim 1 , diethylene glycol claim 1 , triethylene glycol claim 1 , tetraethylene glycol claim 1 , trimethylene glycol claim 1 , glycerol claim 1 , trimethylolpropane claim 1 , trimethylolethane claim 1 , pentaerythritol claim 1 , dipentaerythritol claim 1 , mannitol claim 1 , and combinations thereof.7. The ...

High performance anti-dripping agent used in greenhouse film

A film comprising, consisting of, or consisting essentially of: a) a polyolefin component; b) an additive comprising i) a first polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 1 to 7 and a structure selected from the group consisting of CH 3 CH 2 (CH 2 CH 2 ) a CH 2 CH 2 (OCH 2 CH 2 ) b OH and CH 3 CH 2 (CH 2 CH 2 ) a CO(OCH 2 CH 2 ) b OH wherein a is from 9 to 25 and b is from 1 to 10; and ii) a second polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 7 to 18 and a structure selected from the group consisting of CH 3 CH 2 (CH 2 CH 2 ) a CH 2 CH 2 (OCH 2 CH 2 ) b OH and CH 3 CH 2 (CH 2 CH 2 ) a CO(OCH 2 CH 2 ) b OH wherein a is from 9 to 25 and b is from 1 to 10, is disclosed. The film is used in greenhouse applications.

Method and composition of making polymer products

A method and composition of making polymer products from thermoplastic polymers by melt processing. Cross-linked polyethylene are mixed with at least one thermoplastic matrix polymer to form a polymer composition which is melt-processed. The cross-linked polyethylene is formed by a finely divided powder with particles having a screened size of less than 600 μm and a Dof 200 to 400 μm. Cross-linked polyolefin can be used in a cost-effective and simple manner so that products generally considered a waste, such as scrapped cross-linked polyethylene pipes or unused cross-linked polyethylene discarded in e.g. pipe making processes, can be recycled and used as a starting material for polymer products. 1. A method of making polymer products from thermoplastic polymers by melt processing , wherein cross-linked polyethylene is mixed with at least one thermoplastic matrix polymer to form a polymer composition which is melt-processed , said cross-linked polyethylene being a finely divided powder formed by particles having a screened size of less than 600 μm and a Dof 200 to 400 μm.2. The method according to claim 1 , wherein said cross-linked polyethylene is obtained from waste products selected from the group consisting of post-industrial or pre-consumer materials.3. The method according to claim 1 , wherein cross-linked polyethylene is mixed with the matrix polymer is amounts of up to 60% by weight.4. The method according to claim 1 , wherein the cross-linked polyethylene powder is fed directly or in the form of a master batch to melt-processing.5. The method according to claim 1 , wherein the polymer products formed are weldable.6. A polymer composition for making polymer products consisting of cross-linked polyethylene and polyolefin in a mixture at a weight ratio of cross-linked polyethylene to polyolefin of up to 60:40 claim 1 , and the cross-linked polyethylene being present in the form of a finely divided powder having a particle size of less than 600 μm and a D0 of ...

THERMOPLASTIC RESIN COMPOSITION AND LAMINATE USING THE SAME

There are provided a thermoplastic resin composition capable of bonding a cyclic polyolefin-based polymer and an ethylene-vinyl alcohol copolymer with sufficient strength and to provide a laminate using the same. 1. A thermoplastic resin composition comprising:(A) 100 parts by mass of a thermoplastic resin;(B) 0.05 to 5 parts by mass of one or more selected from the group consisting of an unsaturated carboxylic acid and a derivative of an unsaturated carboxylic acid; and(C) 0.01 to 3 parts by mass of an organic peroxide, said thermoplastic resin (A) comprising:(a1) 10 to 90% by mass of a cyclic polyolefin-based polymer; and(a2) 90 to10% by mass of one or more selected from the group consisting of a copolymer of an aromatic vinyl compound and a conjugated diene compound and a hydrogenated product thereof except for a hydrogenated product of a block copolymer of a polymer block mainly composed of an aromatic vinyl compound and a random copolymer block composed of a conjugated diene compound and an aromatic vinyl compound,wherein the total of the components (a1) and (a2) is 100% by mass.2. The thermoplastic resin composition according to claim 1 , wherein the component (a1) is a copolymer of a cyclic olefin and an α-olefin having 2 to 8 carbon atoms.3. The thermoplastic resin composition according to claim 1 , wherein the component (a2) is a hydrogenated product of a block copolymer of an aromatic vinyl compound and a conjugated diene compound.4. The thermoplastic resin composition according to claim 1 , wherein the component (a2) is a hydrogenated product of a random copolymer of an aromatic vinyl compound and a conjugated diene compound.5. An adhesive coating material comprising the thermoplastic resin composition according to .6. The coating material according to claim 5 , wherein the component (a1) is a copolymer of a cyclic olefin and an α-olefin having 2 to 8 carbon atoms.7. A laminate comprising a layer comprising a cyclic polyolefin-based polymer claim 1 , a ...

MULTILAYER HEAT SHRINKABLE FILMS

The present invention relates to a polymer blend and to multilayer heat shrinkable films containing at least a layer made of said polymer blend, to flexible containers made of said film, such as bags, pouches and the like, useful for packaging articles, in particular food items. The invention also relates to a process for the manufacturing of such multilayer heat shrinkable films. 1. A multilayer heat-shrinkable film comprising a tie layer directly adhered to a surface of a barrier layer , the barrier layer comprising polyvinylidene chloride and the tie layer comprising a polymer blend comprising:a. from 50% to 85% by weight of at least a modified ethylene/alpha-olefin copolymer;b. from 50% to 15° /o by weight of at least a modified ethylene and vinyl acetate copolymer, said modified ethylene and vinyl acetate copolymer having a percentage by weight of vinyl acetate between 6% and 15%.2. The multilayer heat-shrinkable film of further comprising an outer heat sealable layer.3. The multilayer heat-shrinkable film of claim 1 , wherein the barrier layer is an inner layer of the multilayer heat-shrinkable film.4. The multilayer heat-shrinkable film of having a total free shrink at 85° C. of at least 40%.5. The multilayer heat-shrinkable film of claim 1 , wherein the modified ethylene/alpha-olefin copolymer comprises at least one member selected from modified heterogeneous polymer claim 1 , modified homogeneous polymer claim 1 , modified very low density polyethylene claim 1 , and modified ultralow density polyethylene claim 1 , and the modified ethylene and vinyl acetate copolymer is anhydride modified.6. The multilayer heat-shrinkable film of claim 1 , wherein the modified ethylene/alpha-olefin copolymer is an ethylene/alpha-olefin copolymer comprising at least one anhydride functionality grafted thereon and/or copolymerized therewith and/or blended therewith.7. The multilayer heat-shrinkable film of claim 1 , wherein the density of the modified ethylene/alpha-olefin ...

ACRYLIC RUBBER COMPOSITION

Provided are an acrylic rubber composition having higher tensile properties and higher heat resistance and a vulcanizate thereof. The present invention provides an acrylic rubber composition includes 0.1 to 50 parts by mass of a carbon material includes graphene oxide, relative to 100 parts by mass of an acrylic rubber. 1. An acrylic rubber composition comprising 0.1 to 50 parts by mass of a carbon material comprising graphene oxide , relative to 100 parts by mass of an acrylic rubber.2. The acrylic rubber composition according to claim 1 , wherein the acrylic rubber includes at least one functional group selected from an epoxy group claim 1 , a carboxyl group claim 1 , and an active chlorine group.3. The acrylic rubber composition according to claim 2 , wherein a content ratio of a monomer unit having the functional group is 0.1 to 10% by mass relative to a total mass of the acrylic rubber.4. The acrylic rubber composition according to claim 1 , wherein the acrylic rubber comprises an ethylene monomer unit.5. The acrylic rubber composition according to claim 4 , wherein a content ratio of the ethylene monomer unit is 0.1 to 10% by mass relative to a total mass of the acrylic rubber.6. The acrylic rubber composition according to claim 1 , wherein the carbon material is graphene oxide.7. A vulcanizate of the acrylic rubber composition according to .8. A rubber hose comprising the vulcanizate according to .9. A sealing part comprising the vulcanizate according to .10. A rubber vibration isolator comprising the vulcanizate according to . The present invention relates to an acrylic rubber composition having higher tensile properties and higher heat resistance and use thereof.To meet recent demands for higher performance and higher functions, attempts to uniformly disperse various fillers in a polymer have been performed to impart various characteristics.For example, in Patent Document 1, a small amount of aluminum oxide is dispersed as a thermal conductive filler in a ...

Thermoelectric Material, Thermoelectric Module and Thermoelectric Device Including the Same

A method of preparing the thermoelectric materials includes coating a thin film of a material having a Seebeck coefficient of ±μV/K or greater on one surface of a substrate, coating a polymer precursor solution for forming a polymer having a glass transition temperature (Tg) of about 50° C. or greater on a top surface of the material thin film, forming a polymer layer on the top surface of the material thin film by curing the polymer precursor solution, and preparing the self-standing flexible thermoelectric composite structure by separating the polymer layer formed on the top surface of the material thin film from the substrate.

RESIN COMPOSITION, MELT-FORMING MATERIAL, MULTILAYER STRUCTURE, AND LIQUID PACKAGING MATERIAL

A resin composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an olefin polymer; and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the resin composition. The resin composition exhibits reduced susceptibility to coloration. 1. A resin composition comprising:(A) an ethylene-vinyl alcohol copolymer;(B) an olefin polymer; and(C) a sorbic acid ester;wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on a weight of the resin composition.2. The resin composition according to claim 1 , wherein the ethylene-vinyl alcohol copolymer (A) and the olefin polymer (B) are present in a weight ratio (A)/(B) of 1/99 to 99/1.3. The resin composition according to claim 1 , wherein the olefin polymer (B) is at least one selected from the group consisting of polyolefin claim 1 , olefin thermoplastic elastomer claim 1 , aliphatic rubber claim 1 , olefin-(meth)acrylate copolymer claim 1 , and ionomer.4. The resin composition according to claim 1 , wherein the olefin polymer (B) has a density of 0.85 to 0.96 g/cm.5. The resin composition according to claim 1 , wherein the olefin polymer (B) has a flexural modulus of less than 150 MPa as measured at 23° C. at 50% RH.6. A melt-forming material comprising the resin composition according to .7. A multilayer structure comprising a layer which comprises the resin composition according to .8. A liquid packaging material comprising the multilayer structure according to . This application is a continuation of International Application No. PCT/JP2018/043118, filed on Nov. 22, 2018, which claims priority to Japanese Patent Application No. 2017-224272, filed on Nov. 22, 2017, the entire contents of each of which being hereby incorporated by reference.The present disclosure relates to a resin composition containing an ethylene-vinyl alcohol copolymer (hereinafter referred to as “EVOH”), a melt-forming material produced by using ...

Fluorinated elastomer composition and method for its production, molded product, cross-linked product, and covered electric wire

To provide a fluorinated elastomer composition which is excellent in flexibility and oil resistance to lubricant oil such as automatic transmission oil, is less susceptible to heat discoloration and is excellent also in moldability, and a molded product, cross-linked product and covered electric wire, using such a fluorinated elastomer composition. A fluorinated elastomer composition comprising a tetrafluoroethylene/propylene copolymer (a), an ethylene/tetrafluoroethylene copolymer (b) and an ethylene copolymer (c) containing epoxy groups, wherein the mass ratio [(a)/(b)] of the tetrafluoroethylene/propylene copolymer (a) to the ethylene/tetrafluoroethylene copolymer (b) is from 70/30 to 40/60, and the mass ratio [(b)/(c)] of the ethylene/tetrafluoroethylene copolymer (b) to the ethylene copolymer (c) containing epoxy groups is from 100/0.1 to 100/10.

POLYMER BLENDS FOR USE IN MULTILAYERED TUBING FOR FUEL TRANSFER APPLICATIONS

The present disclosure relates generally to polymer-based tubing, suitable, for example, for conducting hydrocarbon fuels. The present disclosure relates more particularly to multi-layered tubings that are fuel resistant, flexible, and cost effective. 1. A length of tubing having an annular cross-section , the annular cross-section having an inner surface and an outer surface , the annular cross-section comprising:an annular barrier layer formed from a barrier mixture comprising ethylene vinyl alcohol copolymer and one or more fluoropolymers, wherein the combined content of ethylene vinyl alcohol copolymer and the one or more fluoropolymers in the barrier mixture is in an amount of at least 75 wt %, and the barrier layer having an outer surface and an inner surface.2. The length of tubing of claim 1 , wherein the one or more fluoropolymers comprises a PVDF polymer claim 1 , a CPT polymer claim 1 , a FEP polymer claim 1 , a PEA polymer claim 1 , an ETFE polymer claim 1 , an EFEP polymer claim 1 , an ECTFE polymer claim 1 , a PCTFE polymer claim 1 , a THV polymer claim 1 , or a combination or copolymer thereof.3. The length of tubing of claim 1 , wherein the one or more fluoropolymers is a PVDF polymer.4. The length of tubing of claim 1 , wherein ethylene vinyl alcohol copolymer is present in the barrier mixture in an amount in the range of about 20 wt % to about 80 wt % claim 1 , and the one or more fluoropolymers are present in the barrier mixture in an amount in the range of about 20 wt % to about 80 wt %.5. The length of tubing of claim 1 , wherein ethylene vinyl alcohol copolymer is present in the barrier mixture in an amount in the range of about 30 wt % to about 70 wt % claim 1 , and the one or more fluoropolymers are present in the barrier mixture in an amount in the range of about 30 wt % to about 70 wt %.6. The length of tubing of claim 1 , wherein ethylene vinyl alcohol copolymer is present in the barrier mixture in an amount in the range of about 45 wt % ...

Degradable evoh high-barrier composite film

A degradable EVOH high-barrier composite film, characterized in that the materials of various layers in the composite film all obtain approximately-consistent biodegradability by introducing biomass, and the additive amount of the additive master batch in the materials of each layer is controlled within the range of 0.3-15% of the total mass of the materials of the corresponding layer; the hydrophilic activity of the hydrophilic groups in the additive master batch should be greater than or equal to that of the hydrophilic groups in the materials of each layer; by adding the additive master batch, the mole ratios of the hydrophilic groups to carbon atoms of the materials of various layers tend to be consistent, namely, the bioactivities tend to be consistent, so that the degradation rates of the materials of various layers in the composite film tend to be consistent. The present invention makes contribution to obtaining approximately-consistent bioactivities and approximately-consistent biodegradation rates by balancing the mole ratios of the hydrophilic groups to carbon atoms in the materials of various layers, and the appearance, the functions and the physical and mechanical properties of a product remain unchanged.

COMPOSITION FOR HIGH-FREQUENCY ADHESIVE SHEET FOR FOOTWEAR

The purpose of the present invention is to provide a composition for improving the physical properties of a TPU high-frequency adhesive sheet to be attached to shoe uppers and, preferably, to improve a TPU high-frequency adhesive sheet that is problematic in that a high-frequency cutting operation is difficult due to the high physical properties and toughness of TPU itself, and when the physical properties are lowered in order to solve such a problem, heat resistance is also lowered therewith and thus deformation may occur in the TPU sheet during the post-processing thereof. To this end, the present invention provides a composition for a high-frequency adhesive sheet for footwear that allows a TPU high-frequency adhesive sheet to have excellent cuttability and also have improved heat resistance, wherein the TPU high-frequency adhesive sheet is manufactured by compounding an ethylene vinyl alcohol copolymer (EVOH) resin with a TPU composition and then extruding the same by a conventional T-die extrusion method. 1. A composition for high-frequency adhesive sheet for footwear , which composition comprises thermoplastic polyurethane as a principal component and is used for a sheet adhered to an upper of footwear by a high-frequency operation ,the composition comprising an ethylene vinyl alcohol copolymer resin.2. The composition for high-frequency adhesive sheet for footwear as claimed in claim 1 , wherein the thermoplastic polyurethane comprises polyester polyol and aromatic isocyanate as principal components and has a hardness of 85 to 90 A claim 1 ,the composition comprising 99 to 50 wt. % of the thermoplastic polyurethane and 1 to 50 wt. % of the ethylene vinyl alcohol copolymer resin. The present invention relates to a composition for high-frequency adhesive sheet for footwear, and more particularly to a composition for high-frequency adhesive sheet for footwear that involves compounding an ethylene vinyl alcohol (EVOH) copolymer with a normal thermoplastic ...

Multilayer assembly

The invention pertains to a multilayer assembly comprising: (L1) a first inner layer [layer (L1)] made from a first composition [composition (C1)], said composition (C1) comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and (L2) a second outer layer [layer (L2)] made from a second composition [composition (C2)], said composition (C2) being substantially free from TiO 2 -containing additives, said second composition comprising at least one semi-crystalline polymer comprising recurring units derived from ethylene and from at least one fluoromonomer selected from chlorotrifluoroethylene (CTFE), tetrafluoroethylene (TFE) and mixtures thereof, said semi-crystalline polymer having a heat of fusion of at least 35 J/g [polymer (A)].

Films containing functional ethylene-based polymer compositions

The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester, a polylactic acid, or a combination thereof; and wherein the second layer is formed from a second composition comprising at least the following: A) functionalized ethylene-based polymer, and B) ethylene/alpha-olefin interpolymer; and wherein the first layer is adjacent to the second layer.

Films containing functional ethylene-based polymer compostions

The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester and/or a polylactic acid; and wherein the second layer is formed from a second composition comprising at least the following: A) a functionalized ethylene-based polymer, and B) at least one ethylene/alkylacrylate copolymer.

Gaskets made from olefin polymers

Gaskets comprising either at least one homogeneously branched ethylene polymer or at least one elastic substantially linear ethylene polymer, at least one ethylene/carboxylic acid interpolymer; and at least one slip agent are disclosed. These gaskets may also contain enhanced polyethylenes produced by the direct polymerization of various combinations of novel elastic substantially linear olefin polymers in multiple reactors using either single or multiple catalysts. These gaskets may also be comprised of at least one ethylene polymer and at least one ionomer. The above mentioned gaskets may also contain slip agents and/or foaming agents. The gaskets are particularly useful for sealing food and liquid containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in food-stuff applications. Gaskets comprising substantially linear ethylene polymers have processability similar to highly branched low density polyethylene (LDPE), but the strength and toughness of linear low density polyethylene (LLDPE).

Revestimento para piso, parede ou teto.

"REVESTIMENTO PARA PISO, PAREDE OU TETO". A invenção refere-se a um revestimento para piso, parede ou teto que compreende um ou mais interpolímeros substancialmente aleatórios, preparados pela polimerização de um ou mais monómeros de alfa-olefina, com um ou mais monómeros aromáticos de vinilideno e/ou um ou mais monómeros de vinilideno cicloalifático ou alifático impedidos, e opcionalmente com outros monómeros etilenicamente insaturados polimerizáveis. O revestimento para piso, parede ou teto possui um bom equilíbrio de propriedades, tais como flexibilidade suficiente e capacidade de se adequar a superfície desiguais ou com contornos para aplicação eficiente a pisos, paredes, ou tetos, resistência suficiente a riscos, resistência suficiente a entalhes, recuperação de entalhes e/ou resistência suficiente a abrasão.

Thermoplastic compositions of interpolymers of alpha-olefin monomers with one or more vinyl or vinylidene aromatic monomers and/or one or more hindered aliphatic or cycloaliphaticvinyl or vinylidene monomers blended with engineering thermoplastics

The present invention relates to a blend of polymeric materials comprising: (A) of from 1 to 80 percent by weight (based on the combined weights of Components A and B) of at least one substantially random interpolymer; wherein said interpolymer; (1) contains of from 0.5 to 50 mole percent of polymer units derived from; (a) at least one vinyl or vinylidene aromatic monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or (c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer; (2) contains of from 50 to 99.5 mole percent of polymer units derived from at least one aliphatic .alpha.-olefin having from 2 to 20 carbon atoms; (3) has a melt index (I2) of from 0.01 to 100 g/10 min; and (4) has a molecular weight distribution (Mw/Mn) of from 1.5 to 20; (B) of from 20 to 99 weight percent based on the combined weights of Components A and B of one or more engineering thermoplastics.

Films containing functional ethylene-based polymer compositions

Una película que comprende al menos dos capas, una primera capa y una segunda capa; y en donde la primera capa se forma a partir de una primera composición que comprende un poliéster, un ácido poliláctico (PLA), o una combinación de los mismos; y en donde la segunda capa se forma a partir de una segunda composición que comprende al menos lo siguiente: A) polímero a base de etileno funcionalizado, y B) interpolímero de etileno/alfa-olefina; y en donde la primera capa está adyacente a la segunda capa; en donde el interpolímero de etileno/alfa-olefina del componente B (segunda composición) tiene una densidad menor de, o igual a, 0,89 g/cc; en donde la relación en peso del componente B a componente A es de 9 a 1; y en donde la segunda composición comprende más del, o igual al, 98 % por ciento en peso del "peso total de los componentes A y B", basado en el peso de la segunda composición. A film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester, a polylactic acid (PLA), or a combination thereof; and wherein the second layer is formed from a second composition comprising at least the following: A) functionalized ethylene-based polymer, and B) ethylene / alpha-olefin interpolymer; and where the first layer is adjacent to the second layer; wherein the ethylene / alpha-olefin interpolymer of component B (second composition) has a density less than, or equal to, 0.89 g / cc; wherein the weight ratio of component B to component A is 9 to 1; and wherein the second composition comprises more than, or equal to, 98% percent by weight of the "total weight of components A and B", based on the weight of the second composition.

Films containing functional ethylene-based polymer compositions

The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester and/or a polylactic acid; and wherein the second layer is formed from a second composition comprising at least the following: A) a functionalized ethylene-based polymer, and B) at least one ethylene/alkylacrylate copolymer.

Blends of α-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene monomer interpolymers with polyolefins

A fabricated article other than a film comprising a thermoplastic blend prepared from polymeric materials consisting of; (A) from 1 to 99 weight percent of at least one interpolymer made from monomer components comprising (1) from 0.5 to 65 mole percent of (a) at least one aromatic vinylidene monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinylidene monomer, or (c) a combination of at least one aromatic vinylidene monomer and at least one hindered aliphatic or cycloaliphatic vinylidene monomer, and (2) from 99.5 to 35 mole percent of at least one aliphatic α-olefin having from 2 to 20 carbon atoms; and (B) from 99 to 1 weight percent of at least one polymer made from monomer components comprising at least one α-olefin having from 2 to 20 carbon atoms. These articles possess improved properties when compared to the properties of articles derived from the individual polymers comprising the blend. These articles are useful in the preparation of injection molded parts, bitumen and asphalt modification, hot melt and pressure sensitive adhesive systems.

Thermoplastic compositions of interpolymers of alpha-olefin monomers with one or more vinyl or vinylidene aromatic monomers and/or one or more hindered aliphatic or cycloaliphatic vinyl or vinylidene monomers blended with engineering thermoplastics

The present invention relates to a blend of polymeric materials comprising; (A) of from about 1 to about 80 percent by weight (based on the combined weights of Components A and B) of at least one substantially random interpolymer; wherein said interpolymer; (1) contains of from about 0.5 to about 50 mole percent of polymer units derived from; a) at least one vinyl or vinylidene aromatic monomer, or b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer; (2) contains of from about 50 to about 99.5 mole percent of polymer units derived from at least one aliphatic α-olefin having from 2 to 20 carbon atoms; (3) has a melt index (I 2 ) of from about 0.01 to about 100 g/10 min; and (4) has a molecular weight distribution (M w /M n ) of from about 1.5 to about 20; (B) of from about 20 to about 99 weight percent based on the combined weights of Components A, and B of one or more engineering thermoplastics.

Blends of α-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene monomer interpolymers with polyolefins

A latex or fiber comprising a blend of polymeric materials consisting of one or more α-olefin/ vinylidene monomer non-crosslinked substantially random interpolymers, wherein the distribution of the monomers of said interpolymers can be described by the Bernoulli statistical model or by a first or second order Markovian statistical model, and one or more homopolymers or copolymers of monomer components comprising aliphatic α-olefins having from 2 to 20 carbon atoms, or aliphatic α-olefins having from 2 to 20 carbon atoms and containing polar groups.

Blends of α-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene interpolymers with polyolefins

A foam comprising a blend of polymeric materials consisting of one or more α-olefin/vinylidene monomer non-crosslinked substantially random interpolymers, wherein the distribution of the monomers of said interpolymers can be described by the Bernoulli statistical model or by a first or second order Markovian statistical model, and one or more homopolymers or copolymers of monomer components comprising aliphatic α-olefins having from 2 to 20 carbon atoms, or aliphatic α-olefins having from 2 to 20 carbon atoms and containing polar groups.

Olefin copolymers containing hydrolytically cleavable linkages and use thereof in degradable products

The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer. These degradable articles include agricultural film products, adhesive tape substrates, bed linens, containers, disposable absorbent articles, packaging materials, bags, labels, pillow cases, protective clothing, surgical drapes, sponges, tampon applicators, disposable syringes, temporary enclosures and temporary siding, toys, wipes, foamed plastic products, and controlled release pellets, strips and tabs.

Gaskets made from olefin polymers

Gaskets comprising either at least one homogeneously branched ethylene polymer or at least one elastic substantially linear ethylene polymer, at least one ethylene/carboxylic acid interpolymer; and at least one slip agent are disclosed. These gaskets may also contain enhanced polyethylenes produced by the direct polymerization of various combinations of novel elastic substantially linear olefin polymers in multiple reactors using either single or multiple catalysts. These gaskets may also be comprised of at least one ethylene polymer and at least one ionomer. The above mentioned gaskets may also contain slip agents and/or foaming agents. The gaskets are particularly useful for sealing food and liquid containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in food-stuff applications. Gaskets comprising substantially linear ethylene polymers have processability similar to highly branched low density polyethylene (LDPE), but the strength and toughness of linear low density polyethylene (LLDPE).

Stretch wrap films

A stretchable wrap film comprising a polymer blend comprising (percent by weight): I) 50 to 90% of an ethylene polymer composition comprising a recurring unit derived from an ester selected from (1) ethylenically unsaturated organic monomer of esters of unsaturated C3-C20 monocarboxylic acids and C1, to C24 monovalent aliphatic or alicyclic alcohols, and (2) vinyl esters of saturated C2-C18 carboxylic acids, wherein the ester content ranging from 2.5 to 8 wt% based on the total weight of the final ethylene polymer composition; the ethylene polymer composition having a density ranging from 0.920 to 0.94 g/mL; and II) 10 to 50% of an ethylene-based polymer component having a density ranging from 0.9 to 0. 93 0 g/mL and a melt flow rate up to 4 g/ 10 min. The stretchable wrap film has a ratio between the value of MD tear resistance and the value of TD tear resistance over 0.3 and a value of MD tensile strength at 30% ranging between 6.5 to 15 N. The stretchable film is suited for use as stretch, cling wraps in various bundling, packaging and wrapping operations.

Stretch wrap films

A stretchable wrap film comprising a polymer blend comprising (percent by weight): I) 50 to 90% of an ethylene polymer composition comprising a recurring unit derived from an ester selected from (1) ethylenically unsaturated organic monomer of esters of unsaturated C 3 -C 20 monocarboxylic acids and C 1 , to C 24 monovalent aliphatic or alicyclic alcohols, and (2) vinyl esters of saturated C 2 -C 18 carboxylic acids, wherein the ester content ranging from 2.5 to 8 wt % based on the total weight of the final ethylene polymer composition; the ethylene polymer composition having a density ranging from 0.920 to 0.94 g/mL; and II) 10 to 50% of an ethylene-based polymer component having a density ranging from 0.9 to 0.930 g/mL and a melt flow rate up to 4 g/10 min. The stretchable wrap film has a ratio between the value of MD tear resistance and the value of TD tear resistance over 0.3 and a value of MD tensile strength at 30% ranging between 6.5 to 15 N. The stretchable film is suited for use as stretch, cling wraps in various bundling, packaging and wrapping operations.

Films containing functional ethylene-based polymer composition

The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester, a polylactic acid, or a combination thereof; and wherein the second layer is formed from a second composition comprising at least the following: A) functionalized ethylene-based polymer, and B) ethylene/alpha-olefin interpolymer; and wherein the first layer is adjacent to the second layer.

Novel water-based adhesives for industrial applications

The invention relates to water-based adhesives for industrial applications obtained by mixing water-redispersible polymer powder and water-soluble polymer powder with water, wherein the weight ratio of the water-redispersible polymer powder to the water- soluble polymer powder is from about 0.001 : 1 to 100 : 1 and the water-based adhesive has a set speed of less than 300 sec, when measured with a 36 µm thick layer at 23°C and 50% relative humidity and 385 µm thick carton boards with a weight of 275 +/- 3 g/m2 and Cobb values on one side of 43 g/min/m2 and 27 g/min/m2 on the other side, has a solids content of about 7.5 to 70 wt.-% and a Brookfield viscosity at 23°C at 20 rpm, measured according to the ASTM D1084 standard, of about 500 to 10'0OO mPas. The water-based industrial adhesive has the capability to bond a low surface tension substrate to a cellulosic substrate, in particular with a weight-ratio of water-redispersible polymer powder to water-soluble polymer powder from about 0.5 : 1 to 100 : 1 , thus can replace conventional aqueous adhesives based on synthetic polymer dispersions. The benefits of the invention are manifold such as faster set speeds and increased machine speeds, logistical advantages due to handling powders instead of liquids, leading to e.g. prolonged shelf life, no water transportation and being an environmentally friendly, low VOC containing adhesive.

Novel water-based adhesives for industrial applications

The invention relates to water-based adhesives for industrial applications obtained by mixing water-redispersible polymer powder and water-soluble polymer powder with water, wherein the weight ratio of the water-redispersible polymer powder to the water-soluble polymer powder is from about 0.001:1 to 100:1 and the water-based adhesive has a set speed of less than 300 sec, when measured with a 36 μm thick layer at 23° C. and 50% relative humidity and 385 μm thick carton boards with a weight of 275+/−3 g/m2 and Cobb values on one side of 43 g/min/m2 and 27 g/min/m2 on the other side, has a solids content of about 7.5 to 70 wt.-% and a Brookfield viscosity at 23° C. at 20 rpm, measured according to the ASTM D1084 standard, of about 500 to 10,000 mPas. The water-based industrial adhesive has the capability to bond a low surface tension substrate to a cellulosic substrate, in particular with a weight-ratio of water-redispersible polymer powder to water-soluble polymer powder from about 0.5:1 to 100:1 thus can replace conventional aqueous adhesives based on synthetic polymer dispersions. The benefits of the invention are manifold such as faster set speeds and increased machine speeds, logistical advantages due to handling powders instead of liquids, leading to e.g. prolonged shelf life, no water transportation and being an environmentally friendly, low VOC containing adhesive.

Water-based adhesives for industrial applications

The invention relates to water-based adhesives for industrial applications obtained by mixing water-redispersible polymer powder and water-soluble polymer powder with water, wherein the weight ratio of the water-redispersible polymer powder to the water-soluble polymer powder is from about 0.001:1 to 100:1 and the water-based adhesive has a set speed of less than 300 sec, when measured with a 36 μm thick layer at 23° C. and 50% relative humidity and 385 μm thick carton boards with a weight of 275+/−3 g/m2 and Cobb values on one side of 43 g/min/m2 and 27 g/min/m2 on the other side, has a solids content of about 7.5 to 70 wt.-% and a Brookfield viscosity at 23° C. at 20 rpm, measured according to the ASTM D1084 standard, of about 500 to 10,000 mPas. The water-based industrial adhesive has the capability to bond a low surface tension substrate to a cellulosic substrate, in particular with a weight-ratio of water-redispersible polymer powder to water-soluble polymer powder from about 0.5:1 to 100:1 thus can replace conventional aqueous adhesives based on synthetic polymer dispersions. The benefits of the invention are manifold such as faster set speeds and increased machine speeds, logistical advantages due to handling powders instead of liquids, leading to e.g. prolonged shelf life, no water transportation and being an environmentally friendly, low VOC containing adhesive.

ASSOCIATIVE RHEOLOGY MODIFIER COMPOSITION AND METHODS FOR MAKING THEREOF

An associative rheology modifier is obtained by coupling of a rheology modifier precursor with a coupling agent. The rheology modifier precursor is formed by reacting a rosin acid with a polyether at a mole ratio of the rosin acid to the polyether of >2:1, at a temperature from 180-350° C. and in the presence of an acid catalyst. The polyether has a molecular weight of 500-10,000 g/mol and the rheology modifier precursor has a water solubility of >10 wt. % concentration. The associative rheology modifier has a molecular weight (Mw) from 1500-25,000 g/mol. The associative rheology modifier shows a high shear thinning effect at low shear rate. A composition is also provided comprising the associative rheology modifier.

Peliculas que contienen composiciones de polimero basado en etileno funcional.

La invención provee una película que comprende por lo menos dos capas, una primera capa y una segunda capa; y en donde la primera capa está formada de una primera composición que comprende un poliéster, un ácido poliláctico, o una combinación de los mismos; y en donde la segunda capa está formada de una segunda composición que comprende por lo menos lo siguiente: A) polímero basado en etileno funcionalizado, y B9 interpolimero de etileno/alfa-olefina: y en donde la primera capa es adyacente a la segunda capa.

FLOOR, WALL OR CEILING COVERING

Paintable olefinic interpolymer compositions

Paintable thermoplastic polyolefin compositions are disclosed which are characterized by (i) 30 to 70 weight percent of at least one polypropylene or graft-modified polypropylene, (ii) 0 to 40 weight percent of at least one nongrafted or graft-modified substantially linear ethylene polymer, and (iii) 0 to 50 weight percent of an interpolymer of ethylene and an α,β-unsaturated carbonyl copolymer, for example a copolymer of ethylene and acrylic acid. The polypropylene and substantially linear ethylene polymer are optionally grafted with an unsaturated organic compound containing at least one ethylenic unsaturation and at least one carbonyl group, for example maleic anhydride. The compositions exhibit excellent paintability with conventional paints without prior application of a primer or surface treatment, good heat resistance, and good low temperature impact resistance and they can be recycled by melt blending the compositions with thermoplastic materials, for example, in an extruder.

Foamed gaskets made from homogeneous olefin polymers

Foamed gaskets comprising at least one homogeneously branched ethylene polymer and at least one blowing agent are disclosed. The gaskets are particularly useful for sealing food and liquid containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in food-stuff applications.

Gaskets made from homogeneous linear olefin polymers

Gaskets comprising at least one homogeneous linear ethylene polymer are disclosed. The gaskets are particularly useful for sealing beverage containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in food-stuff applications.

Filled polyethylene compositions

The subject invention is directed to a polyethylene composition comprising from about 5 to about 70 weight percent of a homogeneous ethylene/α-olefin interpolymer, from about 30 to about 95 weight percent of at least one filler, and from about 0.1 weight percent to less than about 10 weight percent of at least one functionalized polyethylene. The polyethylene compositions of the present invention exhibit high tensile strength, high indentation resistance and filler holding capacity, and are especially useful for floor tile and sheeting applications.

SEALING JOINTS PREPARED FROM NEW ELASTIC POLYMERS SUBSTANTIALLY OF OLEFINS.

SE PRESENTAN EMPAQUETADURAS QUE COMPRENDEN AL MENOS UN POLIMERO DE ETILENO ELASTICO, SUBSTANCIALMENTE LINEAL. LAS EMPAQUETADURAS SON PARTICULARMENTE UTILES PARA SELLAR ENVASES DE ALIMENTOS Y DE LIQUIDOS Y NO CONTRIBUYEN A DAR OLOR Y/O SABOR AL PRODUCTO EMPAQUETADO, LO CUAL ES ESPECIALMENTE UTIL EN APLICACIONES ALIMENTARIAS. LOS POLIMEROS DE ETILENO SUBSTANCIALMENTE LINEALES TIENEN UNA PROCESABILIDAD SIMILAR AL POLIETILENO ALTAMENTE RAMIFICADO, DE BAJA DENSIDAD (LDPE), PERO LA RESISTENCIA Y LA RIGIDEZ DEL POLIETILENO LINEAL DE BAJA DENSIDAD (LLPDE). GASKETS ARE PRESENT, INCLUDING AT LEAST ONE ELASTIC, SUBSTANTIALLY LINEAR, ETHYLENE POLYMER. THE PACKINGS ARE PARTICULARLY USEFUL FOR SEALING FOOD AND LIQUID CONTAINERS AND DO NOT CONTRIBUTE TO SMELL AND / OR TASTE THE PACKAGED PRODUCT, WHICH IS ESPECIALLY USEFUL IN FOOD APPLICATIONS. SUBSTANTIALLY LINEAR ETHYLENE POLYMERS HAVE A PROCESSABILITY SIMILAR TO HIGHLY BRANCHED, LOW DENSITY POLYETHYLENE (LDPE), BUT THE STRENGTH AND RIGIDITY OF LOW DENSITY LINEAR POLYETHYLENE (LLPDE).

Paintable olefinic interpolymer compositions

Paintable thermoplastic polyolefin compositions are disclosed which comprise (i) 30 to about 70 wt % of at least one polypropylene or graft-modified polypropylene, (ii) 0 to about 40 wt % of at least one nongrafted or graft-modified substantially linear ethylene polymer, and (iii) 0 to about 50 wt % of an interpolymer of ethylene and an α,β-unsaturated carbonyl copolymer, e.g. a copolymer of ethylene and acrylic acid. The polypropylene and substantially linear ethylene polymer are grafted with an unsaturated organic compound containing at least on ethylenic unsaturation and at least one carbonyl group, e.g. maleic anhydride. The compositions exhibit excellent paintability with conventional paints without prior application of a primer or surface treatment, good heat resistance, and good low temperature impact resistance and they can be recycled by melt blending the compositions with thermoplastic materials, e.g., in an extruder.

Gaskets made from elastic substantially linear olefin polymers

Lidding structure based on aromatic polyester film, coextruded with a sealable/peelable epdxy-containing thermoplastic polymer

A multi-layer film structure suitable as a sealable sheet used for closing foodstuff containers with a peelable seal. This multi-layer film comprises a polyester substrate layer and a heat-sealable layer. The heat-sealable layer is applied by coextrusion and contains an epoxy-containing thermoplastic polymer composition comprising residues of epoxy-containing monomers selected from glycidyl methacrylate, glycidyl acrylate, allyl glycidyl ether, 3,4-epoxy-1-butene, and a mixture of any two or more of such monomers.

Hot melt adhesive compositions that include propylene polymer and ethylene copolymer

Disclosed is a hot melt adhesive composition that includes a polymer component that includes a propylene polymer that includes greater than 50 mole % propylene and exhibiting a melt index greater than 150 grams per ten mmutes at 190 °C, and an ethylene copolymer exhibiting a melt index of at least 200 grams per ten minutes at 190 °C and an acid number of no greater than 2 mg KOH/g, and derived from ethylene and a co-monomer selected from the group consisting of vinyl acetate, alkyl aciylate, alkyl metiiacrylate, and combinations thereof from 0 % by weight to no greater than 8 % by weight amorphous poiyalphaolefin, and from 0 % by weight to no greater than 25 % by weight oil.

Thermoformable, lubricious film based on polyolefins and polyamide

Deep-drawn non-perforable slidable multilayered foil based on polyolefins and polyamide produced by coextrusion consisting of polyolefin-based, polyamide-based and adhesive polymer layers and their utilization for packing sharp edged goods, particularly food products.

Thermoplastic elastomer composition, molded article and composite molded article using the same

Deep-drawn slidable foil based on polyolefins and polyamide

A thermoformable, puncture-resistant multi-layered film with surface slip, prepared by coextrusion and built up from polyolefin-based, polyamide-based and adhesion promoting polymer layers and its use for packaging sharp-edged goods, in particular foodstuffs.

Thermoplastic elastomer composition, and formed article and composite formed article using the same

It is an object of the present invention to provide a thermoplastic elastomer composition excellent in softness, permanent compression set (both short- and long-term) and resistance to oil, and controlled in bleed-out of the softening agent. It is another object of the present invention to provide a formed article and composite formed article of the above thermoplastic elastomer composition. The present invention provides a thermoplastic elastomer composition containing (a) 100 parts by weight of at least one hydrogenated block copolymer, (b) 30 to 150 parts by weight of a non-aromatic-based softening agent for rubber and (c) 3 to 100 parts by weight of a thermoplastic resin having a melting point of 70 to 140° C., determined by the DSC analysis, and melt viscosity of 400 to 100,000 cps at 140° C., and formed article and composite formed article thereof.

ALPHA-OLEPHIN / VINYLIDENO AROMATIC MONOMER INTERPOLYMERS MIXTURES OR VINYLIDENE MONOMERS WITH POLYOLEFINES, ADHESIVE SYSTEMS, LEAVES, FILMS, MOLDED PARTS, FIBERS AND COMPRESSED FOAMS

Se proponen mezclas de interpolímeros de monomeros aromáticos de alfa- olefínas/vinilideno o monomeros de vinilideno aromáticos impedidos, quecomprenden: (A) de 1 a 99 por ciento en peso de uno o más interpolímeros sustancialmente aleatorios de alfa-olefina/monoméricos de vinilideno impedidos,cada uno formado de componentes monoméricos que comprenden:(1) de 0,5 a 65 por ciento molar de (a) al menos un monomero aromático de vinilideno, o (b)al menosun monomero de vinilideno alifáticoimpedido, (c) una combinacion de al menos un monomero de vinilideno aromático y al menos un monomero de vinilidenoalifático impedido, y (2) de 35 a 99,5 por ciento molar de al menos una alfa - olefina alifática que tiene de 2 a 20 átomos de carbono; y (B) de 99 a 1 porciento en peso de uno o más homopolímeros o copolímeros hechos de componentes monoméricos que comprenden O-olefinas alifáticas que tienen de 2 a 20 átomos decarbono, o O-olefinas alifáticas que tienen de 2 a 20 átomos de carbono y tienen grupos polares. Además de dichas mezclas se proponen: sistemas adhesivos, hojas y películas, partes moldeadas y fibras y materiales espumados formados con dichas mezclas. Mixtures of interpolymers of aromatic alpha-olefin / vinylidene monomers or hindered aromatic vinylidene monomers are proposed, comprising: (A) from 1 to 99 weight percent of one or more substantially random interpolymers of alpha-olefin / vinylidene monomers , each formed from monomeric components comprising: (1) 0.5 to 65 mole percent of (a) at least one vinylidene aromatic monomer, or (b) at least one aliphatic hindered vinylidene monomer, (c) a combination of at least one aromatic vinylidene monomer and at least one hindered vinylidenoaliphatic monomer, and (2) 35 to 99.5 mole percent of at least one aliphatic alpha-olefin having 2 to 20 carbon atoms; and (B) 99 to 1 percent by weight of one or more homopolymers or copolymers made of monomeric components comprising aliphatic O-olefins having 2 to 20 carbon atoms, or ...

Filled thermoplastic compositions based on ethylene interpolymers and polyester, polyether and polyether ester plasticizers

Filled thermoplastic compositions useful, e.g., as sound-deadening sheeting for automotive carpet are obtained by blending about 5-55% by weight of an ethylene interpolymer, such as ethylene/vinyl ester, ethylene/unsaturated mono- or dicarboxylic acids or esters of said unsaturated acids, etc.; about 1-15% by weight of a plasticizer selected from the group consisting of polyesters, polyethers, polyether esters and combinations thereof with processing oil; about 40-90% by weight of filler; and optionally modifying resins, such as unvulcanized elastomeric polymers and certain other ethylene and propylene homo- and copolymers.

process for manufacturing an elastomeric thermoplastic material, elastomeric thermoplastic material, use of an elastomeric thermoplastic material, and manufactured product

PROCESSO PARA FABRICAçãO DE UM MATERIAL TERMOPLáSTICO ELASTOMéRICO, MATERIAL TERMOPLáSTICO ELASTOMéRICO, USO DE UM MATERIAL TERMOPLáSTICO ELASTOMéRICO, E, PRODUTO MANUFATURADO. A presente invenção refere-se a um processo para fabricação de um material termoplástico elastomérico contendo pelo menos uma fase elastomérica e pelo menos uma fase termoplástica, compreendendo o referido processo os seguintes estágios: tratar superficialmente uma borracha vulcanizada em uma forma subdividida com um montante eficaz de pelo menos um catalisador organometálico de polimerização; polimerizar pelo menos um monómero etilenicamente insaturado na presença da referida borracha vulcanizada em uma forma subdividida tratada superficialmente para obter pelo menos uma fase termoplástica. PROCESS FOR MANUFACTURING AN ELASTOMIC THERMOPLASTIC MATERIAL, ELASTOMIC THERMOPLASTIC MATERIAL, USE OF AN ELASTOMIC THERMOPLASTIC MATERIAL, AND MANUFACTURED PRODUCT. The present invention relates to a process for manufacturing an elastomeric thermoplastic material containing at least one elastomeric phase and at least one thermoplastic phase, said process comprising the following stages: surface treating a vulcanized rubber in a subdivided form with an effective amount of at least one organometallic polymerization catalyst; polymerize at least one ethylenically unsaturated monomer in the presence of said vulcanized rubber in a surface-treated subdivided form to obtain at least one thermoplastic phase.

使用在管式反应器中制得且任选地经支化剂改性的高熔融强度乙烯类聚合物制得交联电缆绝缘材料的方法

通过一种方法制得绝缘电线或电缆，所述方法包含以下步骤：(A)将组合物挤压到覆盖或未覆盖的金属导体或光纤上，所述组合物具有<0.5％的在130℃(60Hz，2kV)或120℃(60Hz，8kV)或100℃(60Hz，8kV)下测量的DF且包含：(1)在管式反应器中制得的高熔融强度乙烯类聚合物，和(2)过氧化物，以及(B)使所述高熔融强度乙烯类聚合物交联。

Cable layer of modified soft polypropylene with improved stress whitening resistance

Cable layer comprising a propylene polymer composition comprising (a) a polypropylene (A) (b) an elastomeric copolymer (E) comprising units derived from propylene and ethylene and/or C4 to C20 α-olefin and (c) a polar ethylene polymer (C) wherein the cable layer and/or the propylene polymer composition has a gel content of equal or more than 0.20 wt.-%.

聚(对苯二甲酸丁二酯)组合物及相关制品

一种组合物包括特定量的聚(对苯二甲酸亚烷基酯)和环氧化合物，该环氧化合物具有至少500道尔顿的重均分子量以及至少400克/当量的环氧当量重量。与没有该环氧化合物的相应化合物相比，该组合物展现出高熔体流动，并且由该组合物模制的制品展现出减少的高温脱气。该组合物适合用于直接模制用于汽车前灯的可金属化的反射镜和灯框。

Multilayer heat shrinkable films

The present invention relates to a polymer blend and to multilayer heat shrinkable films containing at least a layer made of said polymer blend, to flexible containers made of said film, such as bags, pouches and the like, useful for packaging articles, in particular food items. The invention also relates to a process for the manufacturing of such multilayer heat shrinkable films.

Thermoplastic compositions of interpolymers of alpha-olefin monomers with one or more vinyl or vinylidene aromatic monomers and/or one or more hindered aliphatic or cycloaliphatic vinyl or vinylidene monomers blended with engineering thermoplastics

The present invention relates to a blend of polymeric materials comprising: (A) of from 1 to 80 percent by weight (based on the combined weights of Components A and B) of at least one substantially random interpolymer; wherein said interpolymer; (1) contains of from 0.5 to 50 mole percent of polymer units derived from; (a) at least one vinyl or vinylidene aromatic monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or (c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer; (2) contains of from 50 to 99.5 mole percent of polymer units derived from at least one aliphatic α-olefin having from 2 to 20 carbon atoms; (3) has a melt index (I2) of from 0.01 to 100 g/10 min; and (4) has a molecular weight distribution (Mw/Mn) of from 1.5 to 20; (B) of from 20 to 99 weight percent based on the combined weights of Components A and B of one or more engineering thermoplastics.

POLYETHYLENE BASE GRANULATE, RELATIVE PRODUCTION PROCESS AND ITS USE FOR CABLES PRODUCTION

Gaskets made from elastic substantially linear olefin polymers

Gaskets comprising at least one elastic substantially linear ethylene polymer are disclosed. The gaskets are particularly useful for sealing food and liquid containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in foodstuff applications. The substantially linear ethylene polymers have processability similar to highly branched low density polyethylene (LDPE), but the strength and toughness of linear low density polyethylene (LLDPE).

Gaskets made from homogeneous linear olefin polymers

Gaskets comprising at least one homogeneous linear ethylene polymer are disclosed. The gaskets are particularly useful for sealing beverage containers and do not contribute to taste and/or odor of the packaged product, which is especially useful in food-stuff applications.

Paintable olefinic interpolymer compositions

Breathable multilayer films with breakable skin layers

A breathable multilayer film including a breathable core layer and one or two skin layers is prepared by providing a core layer mixture of a thermoplastic polymer and a particulate filler, providing a skin layer mixture of at least two incompatible polymers, coextruding the core and skin layer mixtures to form a multilayer film, and stretching the multilayer film to cause void formation in the core layer and crack formation in the one or two skin layers. By forming cracks in the skin layers during stretching, the skin layers can perform dual functions of alleviating die build-up of filler from the core layer during coextrusion, and bonding the film to a substrate subsequent to coextrusion, without unduly hindering the moisture vapor transmission rate of the film or laminate product. The breathable film, and laminates including the film, are useful in a wide variety of personal care absorbent articles, medical garments, and other products.

Cross-linkable polyolefin composition for formed textured skin applications

The present invention relates to a flexible polyolefin composition, a sheet made therefrom, and a formed textured skin for applications such as interior furnishings of an automobile and a process to make such composition, sheet, and textured skin. Specifically said composition comprises an extrudable cross-linkable polyolefin composition comprising: (i) from 60 to 75 weight percent of one or more one silane cross-linkable polyolefin polymer; (ii) a moisture-cure condensation catalyst; and (iii) from 25 to 40 weight percent of one or more polyolefin polymer elastomer. Preferably an extruded sheet of said composition is formed into a textured skin, preferably by positive vacuum forming.

Blow-mouldable polyamide compounds

Thermoplastic moulding compounds containing A) 10 to 99.7 wt% of a polyamide, B) 1 to 30 wt% of an impact modifier, C) 0.1 to 10 wt% of a copolymer consisting of C1) 50 to 95 wt% styrene or substituted styrenes of general formula (I) or mixtures thereof, wherein R is an alkyl radical with 1 to 8 C atoms or a hydrogen atom and R 1 is an alkyl radical with 1 to 8 C atoms and n has the value 0, 1, 2 or 3 and C2) 5 to 50 wt% structural units derived from one or more dicarboxylic acid anhydrides, D) 0.001 to 20 wt% iron powder, E) 0.05 to 3 wt% of a copper-containing stabiliser, F) 100 ppm to 5 wt% of a phosphorus-containing, inorganic acid or the salts thereof or the ester derivatives thereof or mixtures thereof, G) 0 to 2 wt% of a polyethyleneimine homopolymer or copolymer, H) 0 to 60 wt% of other additives, wherein the sum total of weight percentages A) to H) amounts to 100%.

Polyethylene-based granulated material, production process thereof and use therefor for manufacturing cables

Granulated material and production process thereof, the granulated material comprising: (a) from 70% to 95% by weight of at least one ethylene homopolymer or copolymer of ethylene with at least one alpha-olefin C 3 - C 12 , having a density from 0.910 g/cm 3 to 0.926 g/cm 3 ; (b) from 2% to 25% by weight of at least one polymer selected from: (bl) copolymers of ethylene with at least one alpha-olefin C 3 -C 12 , having a density from 0.860 to 0.905 g/cm 3 , and a molecular weight distribution index (MWDI) not greater than 4; (b2) copolymers of ethylene with at least one ester having one ethylenic unsaturation; (c) from 0.1% to 7% by weight of at least one organic peroxide. The above granulated material allows to considerably reduce exudation of the peroxide and of possible other additives, in particular following prolonged exposure to extreme ambient temperatures. Moreover, the impregnation times of the granulated material with the peroxide are substantially shortened, so as to increase the productivity and reduce processing costs. Such a granulated material has advantageous use in the production of at least one coating layer of an electrical cable.

Thermoplastic compositions containing ground vulcanized rubber and polyolefin resin

Thermoplastic compositions comprising mixtures of ground vulcanized rubber and polyolefin resin are described; they are improved by incorporation of functionalized olefin polymer.

Hot melt adhesive

A hot melt adhesive based on ethylene-2-ethylhexyl acrylate copolymer finds use in packaging applications where high heat resistance, as well as good cold tolerance, is required.

Hot melt adhesive

A hot melt adhesive based on ethylene-2-ethylhexyl acrylate copolymer finds use in packaging applications where high heat resistance, as well as good cold tolerance, is required.

包含不含硅烷官能度的高压聚烯烃的低介电损失动力电缆护套

由不含硅烷官能度的高压聚烯烃(例如高压低密度聚乙烯)和聚醚多元醇的混合物制备了包括护套层(例如绝缘层)的动力电缆，所述疏水聚醚多元醇至少50％的分子包含不超过1个羟基官能团。优选地，所述动力电缆为中压或高压动力电缆，当制备所述护套层时和/或制备所述护套层之后所述聚烯烃是交联的。

Modified soft polypropylene cable with improved tensile whitening resistance

Cable que comprende al menos un conductor y una o más capa(s) de revestimiento, en el que al menos una capa de revestimiento es una capa de cable que comprende una composición de polímero de propileno que comprende (a) al menos 36,0% en peso de un polipropileno (A) (b) no más de 50,0% en peso de un copolímero elastomérico (E) que comprenden unidades derivadas de - Propileno y - Etileno y/o α-olefina C4 a C20 y (c) al menos 10,0% en peso de un polímero de etileno polar (C), en donde los porcentajes se basan en la cantidad total de la composición de polímero de propileno y en donde (i) el polipropileno (A) constituye una matriz en la que el copolímero elastomérico (E) y/opcionalmente el polímero de etileno polar (C) se dispersa dentro de la matriz, (ii) la capa de cable y/o la composición de polímero de propileno tiene un contenido de gel medido de acuerdo con el método dado en la descripción de igual o mayor que 0,20% en peso, y (iii) dicha composición comprende adicionalmente unidades (D) derivadas de al menos un monómero(s) insaturado bifuncionalmente (D') y/o al menos un polímero(s) de bajo peso molecular insaturado multifuncionalmente que tiene Mn <= 10000 g/mol (seg) (D''). Cable comprising at least one conductor and one or more coating layer (s), wherein at least one coating layer is a cable layer comprising a propylene polymer composition comprising (a) at least 36.0 % by weight of a polypropylene (A) (b) not more than 50.0% by weight of an elastomeric copolymer (E) comprising units derived from - Propylene and - Ethylene and / or α-olefin C4 to C20 and (c ) at least 10.0% by weight of a polar ethylene polymer (C), wherein the percentages are based on the total amount of the propylene polymer composition and where (i) the polypropylene (A) constitutes a matrix wherein the elastomeric copolymer (E) and / optionally the polar ethylene polymer (C) is dispersed within the matrix, (ii) the cable layer and / or the propylene polymer composition has a ...

Polyethylene compounds having non-migratory slip properties

A masterbatch having functionalized silicone with an epoxy group or a secondary amine group as a slip additive, the polyethylene compound that the silicone-containing masterbatch has been let down into, and the plastic articles and films from such compounds having improved slip properties are disclosed. The improved slip properties are evidenced by essentially no migration of the slip additive 12 weeks after manufacturing and a dynamic coefficient of friction value of less than 0.4 and a static coefficient of friction 0.5 or less as measured within the first day of manufacturing according to the ASTM D1894-01 method.

movie and article

resumo “filme e artigo” a invenção provê um filme compreendendo pelo menos duas camadas, uma primeira camada e uma segunda camada; e sendo que a primeira camada é formada de uma primeira composição compreendendo um poliéster e/ou um ácido poliláctico; e sendo que a segunda camada é formada de uma segunda composição compreendendo pelo menos o seguinte: a) um polímero à base de etileno funcionalizado, e b) pelo menos um copolímero de etileno/acrilato de alquila. abstract film and article the invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester and/or a polylactic acid; and wherein the second layer is formed from a second composition comprising at least the following: a) a functionalized ethylene-based polymer, and b) at least one ethylene/alkyl acrylate copolymer.

Low dielectric loss power cable sheaths comprising high pressure polyolefins free of silane functionality

Power cables that comprise a sheath layer, e.g., an insulation layer, are produced from a mixture of a high pressure polyolefin free of silane functionality, e.g., high pressure low density polyethylene, and a polyether polyol of which at least 50 percent of its molecules comprise no more than a single hydroxyl functionality. Preferably, the power cable is a medium or high voltage power cable, and the polyolefin is crosslinked as the sheath layer is fabricated and/or subsequent to the fabrication of the sheath layer.

Process for making crosslinked cable insulation using high melt strength ethylene-based polymer made in a tubular reactor and optionally modified with a branching agent

An insulated wire or cable is made by a process comprising the steps of: (A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130°C (60 Hz, 2kV) or 120°C (60 Hz, 8 kV) or 100°C (60 Hz, 8 kV) of < 0.5% and comprising: (1) a high melt strength ethylene-based polymer made in a tubular reactor, and (2) a peroxide, and (B) crosslinking the high melt strength ethylene-based polymer.

Halogen-free flame retardant compositions with improved tensile properties

A composition for use in jacketing or insulation materials is disclosed, the composition comprising from 42 to 54 percent by weight of a halogen-free flame retardant, from 26 to 46 percent by weight of an ethylene alkyl acrylate copolymer, such as ethylene ethyl acrylate, optionally from 0 to 15 percent by weight of an ethylene-based polymer, optionally from 0 to 12 percent by weight of a coupling agent, and optionally from 0 to 1 percent by weight of an antioxidant. A cable insulation layer, a cable protective outer jacket, a cable core sheath, and cable comprising the jacketing material composition are also disclosed. Components comprising the composition exhibit balanced and improved melt rheological, tensile, and flame-retardant properties.

Low dielectric loss power cable sheaths comprising high pressure polyolefins free of silane functionality

외장층, 예를 들어 절연층을 포함하는 전력 케이블이, 실란 관능기 무함유 고압 폴리올레핀, 예를 들어 고압 저밀도 폴리에틸렌과 분자의 50% 이상이 1개 이하의 히드록시 관능기를 포함하는 폴리에테르 폴리올의 혼합물로부터 제조된다. 바람직하게는, 전력 케이블은 중전압 또는 고전압 전력 케이블이고, 폴리올레핀은 외장층이 제조될 때 및/또는 외장층의 제조 후 가교된다. A power cable comprising an outer layer, for example an insulating layer, is formed from a silane functional group-free high pressure polyolefin, for example a mixture of high pressure low density polyethylene and a polyether polyol wherein at least 50% of the molecules contain one or less hydroxy functional groups . Preferably, the power cable is a medium voltage or high voltage power cable, and the polyolefin is crosslinked when the sheath layer is produced and / or after the manufacture of the sheath layer.

Low dielectric loss power cable sheaths comprising high pressure polyolefins free of silane functionality

Power cables that comprise a sheath layer, e.g., an insulation layer, are produced from a mixture of a high pressure polyolefin free of silane functionality, e.g., high pressure low density polyethylene, and a polyether polyol of which at least 50 percent of its molecules comprise no more than a single hydroxyl functionality. Preferably, the power cable is a medium or high voltage power cable, and the polyolefin is crosslinked as the sheath layer is fabricated and/or subsequent to the fabrication of the sheath layer.

Low Dielectric Loss Power Cable Sheaths Comprising High Pressure Polyolefins Free of Silane Functionality

Power cables that comprise a sheath layer, e.g., an insulation layer, are produced from a mixture of a high pressure polyolefin free of silane functionality, e.g., high pressure low density polyethylene, and a polyether polyol of which at least 50 percent of its molecules comprise no more than a single hydroxyl functionality. Preferably, the power cable is a medium or high voltage power cable, and the polyolefin is crosslinked as the sheath layer is fabricated and/or subsequent to the fabrication of the sheath layer.

Process for making crosslinked cable insulation using high melt strength ethylene-based polymer made in a tubular reactor and optionally modified with a branching agent

An insulated wire or cable is made by a process comprising the steps of:(A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130°C (60 Hz, 2kV) or 120°C (60 Hz, 8 kV) or 100°C (60 Hz, 8 kV) of ≤ 0.5% and comprising:(1) a high melt strength ethylene-based polymer made in a tubular reactor, and(2) a peroxide, and(B) crosslinking the high melt strength ethylene-based polymer.

Adhesive polymer composition

Pinhole-resistant extrusion method

This invention relates to a pinhole-free, pinhole-resistant extrusion composition comprising at least one olefin polymer and to a method of making a pinhole-free, pinhole-resistant coated or laminated substrate. The invention uses either a single polymer composition or a polymer blend wherein the composition has a corrected or actual Goettfert melt strength value in the range of from about 0.01 to about 6.5 centiNetwons to provide a pinhole-free, pinhole-resistant extrusion coating, extrusion lamination, adhesive lamination or in-mold coating or the like. Suitable olefin polymers include high pressure, free-radical initiated ethylene polymers and homogeneously branched ethylene polymers with polymer blends of low density polyethylene and substantially linear ethylene polymers particularly preferred. The coatings, moldings, films or laminations are useful for various substrates including paperboard and can protect against product leakage in such applications as disposable cups for hot beverages.

Medium density polyethylene compositions for film applications

Use of a homogeneous blend of a metallocene-catalysed medium density polyethylene (mMDPE) with low density polyethylene (LDPE), to produce blown films, this composition essentially consisting of from 0.5 to 99.5 % by weight of mMDPE and from 99.5 to 0.5 % by weight of LDPE, based on the total weight of the blend. The blend is optionally coextruded between layers of LDPE. The compositions of this invention have good processability and are used to make blown films which have the good optical properties of LDPE and the good mechancial and processing properties of MDPE.

Medium density polyethylene compositions for film applications

Use of a homogeneous blend of a metallocene-catalysed medium density polyethylene (mMDPE) with low density polyethylene (LDPE), to produce blown films, this composition essentially consisting of from 0.5 to 99.5 % by weight of mMDPE and from 99.5 to 0.5 % by weight of LDPE, based on the total weight of the blend. The blend is optionally coextruded between layers of LDPE. The compositions of this invention have good processability and are used to make blown films which have the good optical properties of LDPE and the good mechancial and processing properties of MDPE.

耐针孔挤出组合物、方法和制品

本发明涉及一种包含至少一种烯烃聚合物的无针孔的耐针孔挤出组合物、以及一种制造无针孔的耐针孔涂布或层压底材的方法。本发明使用一种单个聚合物组合物或一种聚合物共混物,其中在使用Rheotens装置进行测定时,所述组合物在190℃下的修正或实际Goettfert熔体强度值为约0.01—6.5厘牛顿,这样可得到一种无针孔的、耐针孔挤出涂层、挤出层压品、粘合剂层压品或模塑涂层或类似物。合适的烯烃聚合物包括高压自由基引发的乙烯聚合物和多相支化乙烯聚合物,其中低密度聚乙烯与基本线型乙烯聚合物的聚合物共混物是特别优选的。这些涂层、模塑品或层压品可用于各种底材,包括纸板,而且可例如在一次性热饮料杯之类的应用中防止产品泄漏。