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5863986 |
Polymer alloy blend or composition and shaped articial obtained therefrom
Polymer alloy comprising a) one or more cycloolefin copolymers and b) one or more types of core-shell particles and c) one or more block copolymers.
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5859133 |
Tire tread compound
The subject invention discloses a pneumatic tire having an outer circumferential tread wherein said tread is a sulfur-cured rubber composition comprised of (a) an isoprene-butadiene diblock rubber,...
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5854367 |
Process for cationic polymerization
The specification discloses a process for cationic polymerization of vinyl aromatic monomers, adhesive compositions containing polymers made by the process and use of the polymers as processing...
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5854349 |
Cycloolefin copolymer composition
Disclosed is a cycloolefin copolymer composition (C) obtained by copolymerizing an α-olefin of two or more carbon atoms (a) and a specific cycloolefin (b) in the presence of an aromatic...
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5847051 |
Block copolymer composition containing polypropylene and polybutene
The present invention relates to the addition of a poly-1-butene to a mixture of a styrene-diene block copolymer, a polypropylene homo(co)polymer, oil, and optionally a metallocene-made...
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5834559 |
Thermoplastic resin compositions having excellent antistatic properties
A thermoplastic resin composition having excellent antistatic properties comprising 100 parts by weight of the following component (A), 3 to 30 parts by weight of the following component (B) and 5...
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5824748 |
Composite pressure sensitive adhesive microspheres
Composite pressure sensitive adhesive microspheres are provided comprising two or more water insoluble polymers that are mixed wholly within the boundaries of polymeric microspheres. The range of...
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5795938 |
Preparation of toughened polystyrene molding materials
Toughened vinyl aromatic compounds, in particular high impact polystyrene, are prepared by a continuous process in which the vinyl aromatic compound and the impact modifier, an elastomeric block...
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5783629 |
Thermoplastic polyolefins having improved paintability properties
Thermoplastic polyolefin compositions of a substantially crystalline polyolefin that is a homopolymer of ethylene, propylene or butylene or a copolymer of propylene and a C 3 -C 10 alpha-olefin;...
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5777030 |
Blends of a styrenic polymer and monovinylaren/conjugated diene block copolymers
A polymer blend composition comprising (A) a monovinylarene/conjugated diene block copolymer, and (B) a styrenic polymer of styrene/methyl methacrylate is provided. A process for preparing the...
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5777031 |
High 1,2 content thermoplastic elastomer/oil/polyolefin composition
A thermoplastic elastomer composition comprising a block copolymer having at least two resinous endblocks and a high 1,2-addition butadiene midblock, a paraffin oil and a crystalline polyolefin....
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5776998 |
Non-aqueous solvent free process for making UV curable adhesives and sealants from epoxidized monohydroxylated diene polymers
The invention herein is a non-aqueous solvent free process for producing UV curable adhesive and sealant compositions comprising a tackifying resin and a monohydroxylated epoxidized polydiene...
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5760135 |
Pressure sensitive adhesive
This invention relates to a novel pressure sensitive adhesive formed of a liquid and solid rubber which is substantially resin free. Preferably the adhesive is formed of a weight ratio of solid...
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5760105 |
Styrenic resin composition
There are disclosed a styrenic resin composition which comprises 1 to 95% by weight of a (a) styrenic polymer having syndiotactic configuration (SPS) or modified SPS; 1 to 95% by weight of a (b)...
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5760141 |
Propylene block copolymer, process for preparation thereof and propylene resin composition comprising same
A propylene block copolymer, a process for preparation of the propylene block copolymer, and a propylene resin composition comprising the propylene block copolymer. The propylene block copolymer...
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5756577 |
Styrene butadiene copolymer and polyolefin resins based shrink films
This invention is related to the production and application of heat- shrinkable films derived from a mixture of styrene-butadiene copolymer and polyolefin type resins produced by any of the known...
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5756579 |
Rubber-reinforced vinyl aromatic (CO) polymer
A rubber-reinforced vinyl aromatic (co)polymer comprising a polymeric matrix and a rubber phase dispersed and/or grafted in the polymeric matrix and consisting of a mixture of(i) a diene rubber...
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5753326 |
Clear film extrusion from an annular die
A method and apparatus is provided for forming clear shrinkable film material for use as labels on containers. A blend of general purpose polystryene and styrene-butadiene or styrene butyl acrylate...
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5750612 |
Polypropylene resin composition for car interior fittings
Disclosed is a polypropylene resin composition for car interior fittings, comprising (a) a crystalline polypropylene, (b) particular hydrogenated block copolymer(s), (c) particular hydrogenated...
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5750623 |
Hot-melt adhesives for disposable items and articles made therefrom
Hot-melt adhesive compositions containing high molecular weight linear styrene-isoprene-styrene block copolymers or high molecular weight linear styrene-butadiene-styrene copolymers, having little...
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5741857 |
Blends of elastomer block copolymer and aliphatic α-olefin/monovinylidene aromatic monomer and/or hindered aliphatic vinylidene monomer interpolymer
A thermoplastic elastomeric blend composition comprising: (A) from 99 to 1 weight percent of a styrenic block copolymer; and (B) from 1 to 99 weight percent of an interpolymer of α-olefin and (1)...
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5733980 |
Ethylene α-olefin block copolymers and methods for production thereof
This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene...
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5726248 |
Polymeric N-aryl substituted and N-alkaryl substituted diphenyldiamines
This invention relates to a novel class of polymeric compositions which have molecular weights ranging from 300 to 10,000 and are the reaction product of (a) an N-aryl or N-alkaryl substituted...
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5726239 |
Monovinyl aromatic block copolymer containing compositions and microgranules and powders derived therefrom to be used in rotational molding and similar processes
Block copolymer containing compositions, to be used in rotational molding, the compositions comprising at least: (a) 100 parts by weight of a block copolymer containing at least two...
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5721318 |
Pressure sensitive structural adhesives and sealants based on telechelic/heterotelechelic polymers with dual cure systems
Pressure sensitive structural adhesive and sealant compositions comprising: (a) a polymer system comprising from 95 to 15 percent by weight of a telechelic polymer and from 5 to 85 percent by...
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5719226 |
Low viscosity hot melt disposables adhesive composition
The present invention provides a low viscosity, hot melt adhesive composition which is especially suited for use in disposables and is comprised of a) 100 parts by weight of a blend of i) a...
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5717035 |
Solid block and random elastomeric copolymers
There is disclosed a linear block copolymer comprising at least one triblock I-B-I, wherein I is a block of a polymerized conjugated diene of at least 5 carbon atoms, such as isoprene, and B is a...
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5703162 |
Branched copolymer pressure sensitive hot melt adhesive
An improved hot melt, pressure sensitive adhesive. The adhesive has a unique combination of excellent heat stability and higher tack. The adhesive is utilized in disposable articles such as diapers...
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5693712 |
Silica filled rubbery vulcanizates
A process is provided for making improved rubbery vulcanizates wherein rubbery polymer is mixed with silica or silica and carbon black, polyfunctional polysulphide silane compound and sulphur-based...
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5693425 |
Mutli-arm block copolymer, and pressure sensitive adhesive and tape employing a multi-arm elastomeric block copolymer
The present invention provides a novel multi-arm block copolymer, a novel pressure-sensitive adhesive made from a multi-arm elastomeric block copolymer, and a novel tape made therefrom. The...
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5686530 |
Tire tread compound
The subject invention discloses a pneumatic tire having an outer circumferential tread wherein said tread is a sulfur-cured rubber composition comprised of (a) an isoprene-butadiene diblock rubber,...
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5684082 |
Use of maleated styrene-ethylene-butylene-styrene triblock polymer for improved adhesion
There is disclosed a method for adhering rubber to reinforcing materials which comprises embedding a textile fiber or metal reinforcing material in a vulcanizable rubber composition comprising...
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5679743 |
Polyacetal resin composition and sliding member
The disclosure describes a polyacetal resin composition comprising 100 parts by weight of a polyacetal resin (A), 0.3 to 10 parts by weight of an olefin copolymer (B) composed of 30 to 70 wt % of...
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5679744 |
Rubber composition
A rubber composition suitable for use, for example, a tire and a belt containing a natural and/or polyisoprene rubber, and/or styrene-butadiene copolymer rubber, polybutadiene rubber, and/or an A-B...
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5663230 |
Water stop composition and methods of preparing same
Water stop compositions and methods of preparing same are disclosed. The compositions exhibit a controlled swelling or volumetric expansion upon immersion in water. The compositions swell about...
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5658986 |
Polymers containing thiuram disulfide groups and their preparation
These copolymers are denoted by the formulae: ##STR1## P 1 , P 2 =vinyl or dienic (p with a value of 1), or polyoxyalkylene, polyester or polyamide (p with a value of 0) polymer block; A=(1)...
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5654364 |
Miscible blend of polyolefin and polyolefin block copolymer
The invention relates to melt-miscible polyolefin blends, and a process for preparing the melt-miscible blends, of two or more polyolefins. Matching of the segment length of a modifying polyolefin...
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5654365 |
Styrenic polymer composition
Syndiotactic polystyrene can be impact-modified by a blend of (a) polystyrene-hydrogenated polybutadiene block copolymers and (b) one or more core/shell modifiers based on a lightly or...
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5639831 |
Dissimilar arm asymmetric radial or star block copolymers for adhesives and sealants
Radial or star asymmetric block copolymer of the following formulae and improved adhesive and sealant compositions containing them (A-HD) x -Y-(UD) z (I) or ...
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5635561 |
Star block copolymer of vinylaromatic monomer and of conjugated diene process for preparing it, and its compositions with crystal polystyrene
The invention relates to a star block copolymer of the formula [S 1 -S 2 -(B 1 /S 3 )-B 2 ] m -X-[B 2 (B 1 /S 3 )-S 2 ] n in which X represents a polyfunctional radical resulting from a...
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5633318 |
Sytrenic polymer resins achieving improved gloss and impact resistance
A polystyrene based composition is provided having high impact strength and gloss. The gloss is particularly noted when the resin is molded into plastic articles, especially at relatively cooler...
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5629371 |
Resin molding
Disclosed is a resin molding comprising a molding composed of a resin composition comprising 100 parts by weight of a substrate resin comprising 100 to 30% by weight of at least one propylene...
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5627234 |
Hot melt adhesive composition for labels
A block copolymer composition is disclosed which derives from the copolymerization of a monoalkenyl-arene and a conjugated diene having from 4 to 5 carbon atoms, and comprising: from 30% to 55%...
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5618883 |
Styrene ethylene-butylene and ethylene-propylene block copolymer hot melt pressure sensitive adhesives
A hot melt pressure sensitive adhesive composition comprising a tackified ethylene-propylene rubber modified with a copolymer of a styrene ethylene-propylene block copolymer and/or a styrene...
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5614577 |
Curable film forming compositions
There are provided a pressure-sensitive adhesive and other compositions which free radical cured mixtures of at least one unsaturated elastomeric polymer and at least one organic additive which is...
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5597860 |
Vulcanizable rubber compositions and vulcanized rubber
The present invention provides a vulcanizable rubber composition comprising 100 parts by weight of a polymer component consisting of 30 to 80 wt. % of an ethyleneα-olefinnon-conjugated diene...
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5596041 |
Hydrogenated block copolymer and hydrogenated block copolymer compositon
A hydrogenated block copolymer or hydrogenated block copolymer mixture consisting essentially of (a) hydrogenation product of a star-branched block copolymer represented by the structural formula...
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5591792 |
Adhesive resin composition
The invention relates to an adhesive resin composition comprising an ethylene polymer having a melting point of 70 to 132° C., a density of 0.88 to 0.94% g/cm 3 and a melt flow rate (MFR) of 0.05...
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5587425 |
Blends of copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks
A method for preparing blends of a copolymer in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomer in the presence of a randomizer; (2) an initiator...
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5583182 |
Block copolymer and pressure sensitive adhesive composition
A block copolymer comprising a polymer block of an aromatic vinyl compound, a polymer block of butadiene and a polymer block of isoprene, having a weight average molecular weight of 10,000-500,000,...
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