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7589150 |
Low molecular weight isotactic polypropylene polymers, copolymers and derivatives and materials prepared therewith
Disclosed are polypropylene homopolymers, copolymers and mono and polyfunctional polypropylene derivatives as well as methods of preparing them. These polymers are prepared in the eresence of a...
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7547744 |
Thermoplastic resin composition having excellent resistance and low gloss
The present invention relates to a thermoplastic resin composition. In more particular, a thermoplastic resin of graft ABS polymer and heat-resistant copolymer contains acryl-based resin,...
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7538157 |
Structured baroplastic materials
The present invention provides a series of baroplastic materials, and systems and methods of making and using such baroplastic materials. In one aspect of the invention, polymeric particles are...
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7514502 |
Thermoplastic resin composition having improved external appearance and excellent weatherability
The present invention relates to an acrylonitrile (ASA) type thermoplastic resin composition with excellent weatherability and appearance properties, and more particularly, to an...
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7488775 |
Graft copolymer and thermoplastic resin composition
A thermoplastic resin composition comprising 10 to 98 parts by weight of a graft polymer (1A) containing a rubber-like polymer (1G) having a diene unit content of 50% by weight or less, 2 to 50...
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7393897 |
Method for manufacturing olefinic thermoplastic elastomer composition
The method for manufacturing a thermoplastic elastomer composition of the present invention comprises continuously feeding a mixture comprising pelletized olefinic resin (A), a pulverized product...
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7368504 |
Method for the production of impact polystyrene
Process for preparation of impact-resistant polystyrene from diene monomers and from styrene monomers via anionic polymerization, where
1) in a stage 1) a rubber solution is prepared from...
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7211627 |
Elastomer composition and pressure-sensitive adhesive compositions
The invention provides an elastomer composition including an aromatic vinyl-isoprene block copolymer (a) having two or more poly(aromatic vinyl) blocks, in an amount more than 10 wt. % and less...
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7211626 |
Styrenic resin composition
Surface impact strength in a molded article of an impact-resistant styrene resin composition, and balance between the surface impact strength and the rigidity is improved. Disclosed is a styrene...
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7208547 |
Rubber modified monovinylidene aromatic polymers and thermoformed articles
The present invention is a rubber modified monovinylidene aromatic polymer composition which can be used in conventional thermoforming or other highly orienting forming or shaping processes to...
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7199187 |
Sheet
A sheet excellent in mechanical performance such as folding endurance is provided. A sheet having a substrate layer using an impact-resistant styrene type resin containing 2 to 15 wt % of rubber...
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7193013 |
Polyolefin resin composition
The present invention provides a polyolefin-based resin composition, comprising (A) a polyolefin I produced from at least one monomer selected from the group consisting of α-olefins, cyclic...
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7157520 |
Process for producing powdery linear polymer having improved powder properties
A powdery linear polymer having a narrow particle size distribution with little dusting and excellent in anti-blocking property is recovered from a latex of a linear polymer containing a large...
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7151137 |
Acryloyldimethyltaurine acid-based grafted copolymers
The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of
A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) if desired, one or...
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7071259 |
Functionalized propylene polymer compositions and composites containing same
Functionalized propylene polymer compositions useful as coupling/compatibilizing agents are provided. The compositions are a mixture of two different functionalized propylene polymers....
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6915168 |
Medical devices containing segmented polyurethane biomaterials
In one aspect, the present invention relates to a medical device, such as a medical electrical lead, comprising a biomaterial formed from a polymer comprising urethane groups and saturated linear...
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6893593 |
Resin formed article and method for production thereof
A resin molded article is produced by performing extrusion molding of a thermoplastic amorphous resin containing a dispersion phase, and then rolling it. According to a molecular orientation...
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6852921 |
Wire-protective tube
A wire-protective tube which has a resin composition having 100 parts by weight of a polypropylene, from 10 to 500 parts by weight of a propylene block copolymer having a propylene monomer unit and...
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6852797 |
Method for producing polybutadiene latex with an optimized thermal current profile
A polybutadiene latex is prepared by a process in which butadiene is polymerized by free radical emulsion polymerization in the presence of initiator and, if required, dispersants and further...
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6825271 |
Anionically polymerized, impact-resistant polystyrene with capsule particle morphology
The invention relates to an anionically polymerised, impact-resistant polystyrene with a dispersed plasticiser phase, comprising particles with capsule particle morphology and method for production...
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6822046 |
Monovinylaromatic polymer with improved stress crack resistance
A process is disclosed for improving the environmental stress crack resistance and other desirable properties of impact-resistant, elastomer-modified monovinylaromatic compounds, said process...
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6821635 |
Rubber modified monovinylidene aromatic polymer blends with improved transparency
The present invention is a blend of a monovinylidene aromatic polymer, a rubber modified monovinylidene aromatic polymer, and a monovinyl aromatic-conjugated diene copolymer, which can be used to...
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6815500 |
Shock vinylaromatic polymer by polymerization of a vinylaromatic monomer in the presence of free radical and a polymerization initiator
The invention concerns a method for preparing a composition comprising a vinylaromatic polymer enclosing rubber nodules. The invention is characterised in that it includes a step for polymerising...
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6806319 |
Retarding the thermal degradation of polymers using unsaturated aliphatic compounds
The thermal stability of a polymer is improved by blending, before melt processing, (1) a polymer selected from (a) olefin polymers, (b) polymers of vinyl-substituted aromatic compounds, (c)...
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6784253 |
Enhanced polymerization process
An emulsion polymerization process for the preparation of polybutadiene grafted with styrene and acrylonitrile monomers in a reaction system is provided. The resultant product has a low end content...
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6774182 |
Process for preparing thermoplastic resin having superior heat-stability
The present invention relates to a process for preparing a heat-resistant thermoplastic resin, especially to a process for preparing a heat-resistant thermoplastic resin having superior...
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6767962 |
Polymer compositions having improved constancy of properties
A thermoplastic molding composition that contains a plurality of graft rubbers is disclosed. A first graft rubber is a product of emulsion polymerization of a mixture containing styrene and...
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6765060 |
Graft copolymer composition and vinyl chloride resin composition containing the same
A graft copolymer composition obtained by mixing a graft copolymer (A) containing a rubbery polymer having a glass transition temperature of not higher than 0° C. as a trunk polymer and containing...
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6737476 |
Rubber composition
A brominated butyl rubber and a polymer based on a conjugated diolefin monomer are grafted by mixing the solid polymer at a temperature greater than 50° C. for a time sufficient to cause grafting....
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6716917 |
Rubber-reinforced styrene transparent resin composition and method of producing the same
A rubber-reinforced styrene transparent resin composition contains a styrene copolymer reinforced with a rubber polymer, wherein the monomer composition of an acetone soluble resin component...
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6716916 |
Thermoplastic molding materials based on particular graft rubber constituents
A molding composition containing a graft polymer is disclosed. The graft is a product of a free-radical emulsion polymerization of resin-forming vinyl monomers in the presence of rubber present in...
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6653401 |
Thermoplastic elastomer composition
Disclosed is a thermoplastic elastomer composition which comprises (A) a thermoplastic resin containing a polystyrene resin, (B) a rubber-like polymer obtained by partially or completely...
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6630535 |
Rubber compositions & vulcanizates including comb polymers
A composition comprising an elastomer, a filler, and a comb-like polymer, the comb-like polymer comprising a backbone and a plurality of side chains, the backbone having a length greater than or...
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6613837 |
Monovinylaromatic polymer with improved stress crack resistance
The present invention discloses a composition of matter consisting of a high impact polystyrene exhibiting improved environmental stress crack resistance. The HIPS material is formed utilizing...
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6593424 |
Method for preparing thermoplastic resin
A method for continuously preparing a heat resistant α-methylstyrene-acrylonitrile copolymer by bulk polymerization, comprising the steps of: a) Continuously charging a mixture of monomers...
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6566436 |
Molded forms for use in gardening and animal husbandry
The use of a thermoplastic molding composition which is not ABS, comprising, based on the total of the amounts of components A, B, C, and, where appropriate, D, this total being 100% by weight, a:...
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6545090 |
Monovinylidene aromatic polymers with improved properties and a process for their preparation
The present invention is a rubber modified monovinylidene aromatic polymer comprising: a) a monovinylidene aromatic polymer matrix, b) rubber particles dispersed therein, characterized in that the...
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6531543 |
Thermoplastic molding compositions based on acrylonitrile-styrene-acrylate polymers
Thermoplastic molding compositions, comprising (A) from 20 to 99% by weight of at least one graft copolymer, (B) from 1 to 80% by weight of a copolymer obtained from at least one alpha-olefin and...
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6518361 |
Thermoplastic molding compositions
Thermoplastic molding compositions are made from A) from 20 to 98% by weight of a particulate graft polymer and a non-elastomeric graft shell B) from 0.5 to 78.5% by weight of a thermoplastic...
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6515079 |
Preparation of thermoplastic molding compositions
In a process for preparing thermoplastic molding compositions by a) polymerizing, in aqueous emulsion, dienes, C 1 -C 12 -alkyl acrylates or mixtures of these, where from 0 to 30% by weight of...
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6462129 |
Thermoplastic resin compositions comprising a rigid dispersed phase
The invention relates to a thermoplastic composition comprising: a matrix-forming thermoplastic polymer (M), rigid nodules obtained by radical polymerization, and optionally an impact modifier (S)....
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6448335 |
Partially cross-linked elastomeric polyolefin mixtures
Mixtures of C 2 -C 10 olefin polymers functionalized with carboxylic acids which are neutralized from 1 to 100% with metallic ions The mixtures comprise (by weight): (1) 100 parts of a...
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6448332 |
Acrylonitrile/Styrene/Acrylic/polymeric compositions and methods for making same
Compositions which have substantial weatherability and impact resistance include a substantially uniform blend of an acrylonitrile/styrene/acrylic polymeric material and a component selected from...
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6380306 |
Thermoplastic molding compounds
Thermoplastic molding materials of A) from 72 to 88.5% by weight of a thermoplastic styrene or α-methylstyrene polymer or copolymer, B) from 10 to 20% by weight of a first graft polymer having an...
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6316527 |
Modified SAN resin blend compositions and articles produced therefrom
Modified SAN resin blend compositions that have good clarity and improved tensile properties compared to unmodified SAN resins are described. The compositions are blends of SAN resins and certain...
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6306961 |
Thermoplastic resin composition having impact resistance
A thermoplastic resin composition comprises a thermoplastic resin (A) and graft copolymer particles (B) having a hollow rubber portion and graft chain, in which a volumetric proportion of hollow...
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6277913 |
Thermoplastic resin composition and interior or exterior parts for vehicle thereof
There is provided a thermoplastic resin composition and interior or exterior parts for vehicle using thereof, which is excellent in flexibility, surface appearance, heat deformation property at...
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6255389 |
Star-branched rubber thermoplastic elastomer vulcanizates
The present invention relates to a curable composition comprising a thermoplastic polyolefin resin and a curable star-branched rubber, a thermoplastic elastomeric vulcanizate obtainable therefrom...
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6228938 |
ABS materials
Thermoplastic materials containing A) 5 to 80 parts by weight of a thermoplastic co- or terpolymer made from the monomers styrene, α-methylstyrene, methyl methacrylate, acrylonitrile with an...
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6221471 |
Rubber modified monovinylidene aromatic polymer blends
The present invention is a blend of a monovinylidene aromatic polymer and a rubber modified monovinylidene aromatic polymer, which can be used to produce cost effective, transparent packaging that...
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