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6569950 |
Process for producing acid modified polypropylene resin
There is provided a process for producing an acid modified polypropylene resin, which comprises the step of kneading: (1) 100 parts by weight of a polypropylene resin (A), (2) 0.1 to 20 parts by...
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6569945 |
Polyolefin composition containing low viscosity propylene homopolymer, fiber and extensible non-woven fabric prepared therefrom
A polyolefin composition which contains 45 to 5 weight percent of a low viscosity propylene homopolymer having an as polymerized melt flow rate of 250 to 550 g/10 minutes and 55 to 95 weight...
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6569948 |
Polyethylene pipe method
Provided is a high density multimodal polyethylene, having a shear ratio (SR) of 18 or more and comprising at least 20% by weight of a high molecular weight fraction, which high molecular weight...
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6569946 |
Thermoplastic fluoropolymers
Polymer composition comprising (A) (co)polymers based on chlorotrifluoroethylene (PCTFE) and (B) copolymers based on ethylene/chlorotrifluoroethylene (ECTFE) and/or ethylene/tetrafluoroethylene...
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6569934 |
High flexural modulus and/or high heat deflection temperature thermoplastic elastomers and methods for producing the same
The present invention provides a mineral filled thermoplastic olefin (MFTPO) composition comprising a polymer mixture, a mineral and a flexural modulus modifying agent and/or a heat deflection...
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6566450 |
Production of multimodal polyethylene
A process for the preparation of polyethylene resins having a multimodal molecular weight distribution which comprises: (i) contacting ethylene monomer and a comonomer comprising an alpha-olefin...
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6566454 |
Amphoteric stabilization of crude petroleum
The present invention relates to a method of using a block copolymer comprising monomeric units of 1,4-butadiene and at least one other comonomer addition products to lower the gel point of crude...
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6562908 |
Thermoplastic resin composition and shaped articles thereof
Described are a thermoplastic resin composition containing (A): one or more rubber reinforced thermoplastic resins, (B): one or more acrylic resins and (C): one or more thermoplastic norbornene...
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6562886 |
Propylene polymer composition and films made therefrom
A propylene homopolymer or a copolymer of propylene and an α-olefin with at least 4 carbon atoms, which is produced through polymerization in the presence of a metallocene catalyst and which has...
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6562907 |
Olefin polymer and thermoplastic resin composition
There is provided an olefin polymer having an elastic recovery of from 70 to 100% defined by the following formula (1), Elastic recovery=stress-residual deformation recovery×100/stretch...
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6562905 |
High density polyethylene compositions, a process for the production thereof and films prepared
The present invention concerns a bimodal film-making HDPE composition, a process for the preparation thereof, a film prepared thereof and a film-making process. The composition comprises at least...
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6559235 |
Grafting of polyolefins
Porous polyolefins are especially efficiently free-radically grafted using (fluorinated alkyl)olefins, vinylsilanes or certain carboxylic acids or their esters as the grafting molecules. The use of...
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6558760 |
Packaging film and containers made therefrom
The sealability of a thermoplastic, mono- or multi-layer film having an irradiated sealing layer comprising a polyethylene and/or an ethylene-x-olefin copolymer with a density ≧0.915 g/cm 3 is...
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6555588 |
Method for the production of a polypropylene blend
A method for producing a polypropylene blend from a plastic packaging materials containing high molecular weight polypropylene, other high molecular weight polymers such as polyethylene, low...
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6555624 |
Thermoplastic crosslinked rubber composition
A thermoplastic crosslinked rubber composition comprising (A) from 1 to 99 parts by weight of a hydrogenated rubber obtained by hydrogenating not less than 50% of total double bonds of at least one...
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6552149 |
Propylene terpolymers
A process for producing terpolymers of propylene, comprising a) feeding into a slurry reactor a reaction mixture containing 50-85 w-% of propylene, 1-10 w-% of ethylene, 15-40 w-% of another C 4 -C...
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6552138 |
Resin for flexible sealed containers and containers
A resin which is an ethylene/α-olefin copolymer comprising ethylene and an α-olefin having 3 to 12 carbon atoms exhibiting particular physical properties including a narrow molecular weight...
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6552131 |
Block polymer and antistatic agent comprising the same
The present invention provides a block polymer comprising a polyolefin and a hydrophilic polymer, being finely dispersed in resins, in particular polyolefins, without requiring any compatibilizer,...
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6552128 |
Rubber composition
A rubber composition which can achieve superior adhesion force between it and a material to be adhered without a coating of an adhesive. The rubber composition includes the following components (A)...
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6548603 |
Modified polyolefin resin composition
A modified polyolefin resin composition according to the present invention comprises a polyolefin resin modified with an unsaturated carboxylic acid and is suitable for imparting a good adhension...
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6545094 |
Blends of ethylenic polymers with improved modulus and melt strength and articles fabricated from these blends
A blend which comprises; A) a heterogeneous or homogenous linear ethylene homopolymer or interpolymer; B) a branched homopolymer or interpolymer; wherein said blend has; 1) a melt index, I2, of...
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6545096 |
Heat-resistant plastic sheet and infusion bag using the same
An infusion bag which does not generate a significant number of fine particles in liquid contained in the bag, and has excellent transparency and flexibility, and also has sufficient heat...
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6545093 |
High mixture-quality bi-modal polyethylene blends
Bimodal polyethylene blends are made from a high-molecular-weight ethylene copolymer and a low-molecular-weight ethylene homo- or copolymer and have a melt flow rate MFR 190/21.6 of from 6 to 14...
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6541568 |
Polyolefin materials having enhanced surface durability
Thermoplastic polymer blends and formed articles made thereof which exhibit superior physical properties such as a combination of excellent scratch resistance, rigidity and impact toughness. The...
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6541581 |
Polyethylenes obtained by use of dual site catalyst
A polyethylene produced by the homopolymerisation of ethylene or copolymerisation of ethylene with α-olefins in the presence of a catalyst, characterized in that the fraction of low molecular...
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6541123 |
Polyolefin film for stretch packaging
The present invention relates to a polyolefin stretch packaging film, comprising at least one layer containing a component (A), and which has a storage modulus (E′) of from 5.0×10 8 dyn/cm 2 ...
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6541570 |
Compositions of random copolymers of propene containing an α-olefin as comonomer
Semicrystalline polyolefin composition comprising copolymers a), b) and c) of prolylene with at least one comonomer selected from C 4 -C 10 α-olefins, where the total content of recurring units...
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6538070 |
Ethylene interpolymer polymerizations
A new process of interpolymerizing ethylene interpolymer products having improved properties, such as increased onset of crystallization temperature, is disclosed. Preferably, the process comprises...
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6538068 |
Films based on ethylene copolymers and gloves made of these films
The present invention relates to film consisting of a blend comprising (i) 70 to 98% by weight of a polymer (Z) chosen from (a) a poly-ethylene (C) obtained by metallocene catalysis, (b) a...
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6534586 |
Flame-retardant rubber composition and flame-retardant elastomer
The invention provides a flame-retardant rubber composition which may form a vulcanizate of an elastomer whose deterioration of mechanical strength is little to enjoy excellent mechanical...
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6534173 |
Films comprising metallocene catalyzed plastomer and ethylene/alkyl (meth)acrylate copolymer
The invention concerns a composition comprising an ethylene/alpha-olefin metallocene copolymer of density less than 0.900 g/cm 3 and an ethylene/alkyl (meth)acrylate radical copolymer. The...
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6531546 |
Rubber composition
A rubber composition comprising (a) a low molecular weight copolymer rubber which is an ethylene/α-olefin/non-conjugated diene copolymer rubber having a limiting viscosity [η] of 0.4-1.6 dl/g...
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6531520 |
Polymer blend
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a...
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6531545 |
Thermoplastic olefin elastomer composition for powder molding, powder for powder molding, and molded object
An olefin-based thermoplastic elastomer composition for powder molding is described. The olefin-based thermoplastic elastomer composition produces no emission of poisonous gas at incineration. It...
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6528588 |
Process for producing blends of syndiotactic 1,2-polybutadiene and rubbery elastomers
Blends of syndiotactic 1,2-polybutadiene and rubbery elastomers are prepared by a process that comprises polymerizing 1,3-butadiene monomer into syndiotactic 1,2-polybutadiene within a rubber...
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6528587 |
Coextrusion binder based on cografted metallocene polyethylene
The present invention relates to a coextrusion binder comprising: 5 to 35 parts of a polymer (A) which itself consists of a blend of 80 to 20 parts of a metallocene polyethylene (A1) of relative...
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6525138 |
Thermoplastic resin composition
There is disclosed a thermoplastic resin composition comprising; (A) 5 to 95% by weight of a thermoplastic resin having a melt flow rate of from 0.001 to 100 g/10 min. and a die swell ratio of not...
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6521709 |
Polyolefin compositions comprising a propylene polymer and UHMWPE
A polyolefin composition comprising from 10 to 95% by weight of a crystalline propylene polymer, A) having an MFR value equal to or lower than 60 g/10 min., and from 5 to 90% by weight of an ultra...
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6518377 |
Metallocene catalyst and catalyst system for producing polypropylene blend of iso- and syndio-tactic polypropylene
A polyolefin metallocene catalyst which includes two metallocene components, a stereorigid isospecific metallocene catalyst component and a stereorigid syndiospecific metallocene catalyst...
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6515093 |
Polymers, and novel compositions and films therefrom
A novel propylene copolymer is disclosed. Also disclosed is a novel composition comprising about 85 to about 99 weight percent of a polymeric ethylenic containing component having a density no...
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6514583 |
High impact strength film containing single site catalyzed copolymer
A heat-shrinkable film containing a homogeneous ethylene/alpha-olefin copolymer has a high impact strength and a high free shrink. The film can be a monolayer film or multilayer film, with the...
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6515076 |
Polyethylene resins and its compounds for container uses and containers
The present invention provides polyethylene resin and its compounds for container uses, which realize molding of thin-walled articles and high-speed molding, achieves/achieve excellent printability...
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6514625 |
Polyolefin films based on blends of polypropylene and olefin heteropolymers
Oriented polyolefin films are prepared with blends of a high crystalline polypropylene and an ethylene/propylene copolymer having less than 10%, by weight, of ethylene. These films, in a preferred...
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6515074 |
Thermoplastic polymer alloy compositions and process for manufacture thereof
Flexible thermoplastic polymer alloy compositions and process for preparing same are disclosed. The composition comprises a blend of about 20 to about 40 weight percent (hereinafter “wt. %”)...
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6512052 |
Polypropylene resin composition for automobile interior covering materials
The present invention relates to a polypropylene resin composition for automobile interior covering methods capable of calender molding and high frequency welding. More particularly, the present...
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6511755 |
Polypropylene film and multilayered polypropylene film
The present invention relates to a film using a polypropylene composition comprising crystalline polypropylene and a copolymer of propylene with α-olefin in which a limiting viscosity of the said...
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6509090 |
Composition comprising metallocene plastomer and ethylene/alkyl (meth) acrylate polymer with their secant moduli ratio greater than 1
The invention concerns a composition comprising an ethylene/alpha-olefin metallocene copolymer and an ethylene/alkyl (meth)acrylate radical copolymer, the ratio of their secant moduli being greater...
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6509106 |
Blends containing linear low density polyethylene, high density polyethylene, and low density polyethylene particularly suitable for extrusion coating and films
A novel composition of at least three different polyethylene-based components is provided. The blend comprises a linear low density polyethylene, a high density polyethylene and a low density...
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6509107 |
Platable engineered polyolefin alloys
This invention relates to polyolefin alloys that are receptive to metal plating. These compositions also have enhanced properties and are easily processed into articles by various molding methods....
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6506841 |
Composition having improved thermomechanical properties, and a method of cross-linking it
The present invention relates to a composition that is extrudable and cross-linkable in air. The composition that is extrudable and cross-linkable in air comprises a mixture of a copolymer with an...
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