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4992510 |
Method for producing rubber modified thermoplastic resins
Disclosed is method for producing a rubber modified thermoplastic reins which comprises carrying out all or a part of the following setps (I) - (VI): (I) a step of mixing the following (A), (B),...
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4985498 |
Process of forming films from blends of linear low density ethylene copolymers
Novel polymer blends are provided comprising a linear low density copolymer of ethylene with an olefin containing 4 to 10 carbon atoms (LLDPE) compounded with minor amounts of an at least partially...
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4972032 |
Process for preparing copolymers of alpha-methylstyrene and acrylonitrile
Copolymers of α-methylstyrene and acrylonitrile having improved composition of uniformity are prepared by emulsion polymerizing a first monomer stream having a weight ratio of...
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4965315 |
Thermoplastic resin composition
A thermoplastic resin composition composed of a mixture comprising a graft polymer obtained by subjecting a monomer mixture of an aromatic vinyl monomer and a vinyl cyanide monomer to emulsion...
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4963613 |
Adhesive composition
An adhesive composition comprising: a polymer latex containing a copolymer which comprises (a) 40 to 80% by weight of a conjugated diene monomer and (b) 0.5 to 30% by weight of a cyanated...
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4957969 |
Improved blends of linear low density ethylene copolymers
Novel polymer blends are provided comprising a major amount of a linear low density copolymer of ethylene with an olefin containing 4 to 10 carbon atoms (LLDPE) compounded with a minor amount of an...
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4957679 |
Method of making interfolded sheets of plastic film
When a film consisting of high density polyethylene and about three percent polystyrene is run on an interfolding machine to produce interfolded sheets of the film for use as deli wrap, the film is...
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4940747 |
Moulding materials, based on vinyl chloride polymers, with improved processability
Thermoplastic moulding materials, of vinyl chloride polymers, which contain a polymer, prepared in the presence of mercaptans, from styrene, α-methylstyrene, vinyltoluene, acrylonitrile, methyl...
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4931504 |
Thermoplastic compositions based on polyphenylene ethers and styrene-butadiene polymers produced by emulsion polymerization
The invention relates to thermoplastic compositions made up of: A. Polyphenylene ethers, in an amount of 15-95 wt. parts; B. Styrene resins, in an amount of 0 to 70 wt. parts; C. E-SBR...
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4921909 |
Method for producing thermoplastic resins
Emulsion polymerization type thermoplastic resin of high performance can be produced by the following methods: namely, a method which comprises removing an aqueous phase from a two-phase mixture...
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4918118 |
Process for improving properties of synthetic resin powder
A process for improving properties of a synthetic resin powder by subjecting a latex of a graft-copolymer whose back bone is a rubber to coagulation, and adding a lubricant to the graft-copolymer...
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H000758 |
Sealant composition
A sealant composition comprises a functionalized polymer component which is prepared by grafting enough carboxylic acid, dicarboxylic acid, or derivative thereof onto a polymer component to thereby...
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4902745 |
Rubber-like thermoplastic polymer mixtures
Soft polymer mixtures of (a) 10 to 50 parts by weight of a graft polymer obtained from a particulate, highly cross linked diene or alkyl acrylate rubber and graft polymerized alkyl methacylate,...
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4902744 |
Polymer mixture and its use as a modifier for polyvinyl chloride
A polymer mixture of (a) 45 to 50 parts by weight of a graft product of a mixture of 25 to 40 parts by weight acrylonitrile and 75 to 60 parts by weight styrene, α-methylstyrene,...
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4889888 |
Elastoplastic compositions and process for preparing them
Elastoplastic compositions comprising a continuous crystalline polyolefin phase and at least two phases discretely dispersed in the polyolefin phase, one of which is a dynamically cured EPDM rubber...
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4882383 |
Impact modified poly(alkenyl aromatic) resin compositions
Thermoplastic compositions comprising rubber modified polyalkenyl aromatic resin and a modifying agent having a core-shell structure comprised of an interpenetrating, cross-linked (meth)acrylate...
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4879343 |
Heat and impact resistant resin composition
A heat and impact resistant composition comprising: (A) 5-89 parts by weight of a graft polymer prepared by graft polymerizing 30-75 parts by weight of a mixture of 30-80% of an aromatic vinyl...
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4874815 |
ABS Compositions having trimodal rubber particle distributions
A rubber modified interpolymer of a monovinylidene aromatic monomer and an ethylenically unsaturated nitrile monomer. The rubber particles of the present invention have a trimodal particle size...
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4870131 |
Low gloss molding composition
A composition capable of providing low gloss in a part molded therefrom consisting essentially of 20 to 50% by weight of a graft copolymer of ethylenically unsaturated monomers grafted unto a...
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4859744 |
Process for the production of graft polymers of high rubber content
The invention relates to a process for the production of graft polymers of resin-forming monomers on a rubber in which a very high graft yield is obtained by the use of an initiator system of an...
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4857631 |
Method for producing de-watered grafted rubber concentrate
The specification discloses a readily de-waterable modified rubber concentrate and method for forming same from a process including the preparation of a latex emulsion of the modified rubber...
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4849472 |
High-tenacity, High-flexibility polymeric blends
Thermoplastic, high-tenacity, high-flexibility polymeric blends suitable for obtaining molded and thermoformed shaped articles comprising a styrene polymer or copolymer reinforced with...
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4849473 |
Stengthened high impact styrene polymers showing improved physical-mechanical properties
Strengthened high impact resistant styrene polymers having improved physical-mechanical properties, particularly a high resilience at room temperature and at lower temperatures, and break...
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4847323 |
Resin composition having nacreous gloss
A resin composition having a nacreous gloss comprising (i) a polyvinyl chloride resin and (ii) a polystyrene resin or a high impact polystyrene resin is provided. This composition can be...
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4843125 |
Molding resin composition
A molding thermoplastic, elastomeric resin composition having superior flexibility, impact resistance, mechanical strengths and moldability is provided, which composition comprises (1) a block...
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4826920 |
Films of linear ethylene polymer, polystyrene, and high impact polystyrene
Films of linear ethylene polymers, particularly copolymers of ethylene and alpha-olefins of 4 to 10 carbon atoms (LLDPE), containing up to about 15 weight percent of a 1:3 to 3:1 ratio of...
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4824907 |
Preparation of thermoformed plastics articles
Moulded articles of uniform wall thickness are prepared by vacuum-forming or thermoforming a composition comprising a uniform blend of, as base resin, a moulding grade resin having a continuous...
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4822856 |
Preparation of polymeric blend stock
A process for preparing a polymeric blend stock comprising fluidizing a first particulated polymer, contacting the particulated polymer with droplets of a latex of a second polymer or polymer...
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4800216 |
ABS molding compositions of reduced residual butadiene content
The invention relates to ABS molding compositions having a markedly reduced residual butadiene content, even at high processing temperatures.
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4788250 |
Thermoplastic resin composition of ethylene-propylene-non-conjugated diene terpolymer rubber having improved combined properties of weather resistance and molding appearance
Disclosed is a thermoplastic resin composition comprising a graft polymer resin (I) obtained by polymerizing one or more monomers (b) selected from the group consisting of aromatic vinyl compounds...
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4785051 |
Rubber-modified monovinylidene aromatic polymer compositions
According to the present invention, there are produced rubber-modified monovinylidene aromatic polymers having three different types of rubber particles. The first is a small particle. The second...
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4783504 |
Hot melt adhesive containing a silane grafted hydrogenated block polymer
A sealant composition comprising: (a) 100 parts by weight of a silane functionalized polymer component which is prepared by reacting enough silane of the general formula R R' n SiY 3 -n (where...
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4778850 |
Thermoplastic moulding materials made from vinyl chloride polymers and graft polymers and having improved properties
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4774287 |
Heat-resistant copolymer of alpha-methylstyrene and acrylonitrile, process for preparing the same, and thermoplastic resin composition containing the same
A heat-resistant copolymer obtained by copolymerizing (A) 72-82 parts by weight of α-methylstyrene and (B) 26-18 parts by weight of acrylonitrile, characterized in that the copolymer contains (a)...
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4771107 |
Thermoplastic molding material based on ABS
A thermoplastic molding material which contains, in each case based on the molding material comprising A+B, A. from 50 to 95% by weight of a rigid matrix composed of, (a 1 ) styrene and (a...
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4767803 |
Method of producing coagulated colloidal particles
Disclosed is a method of producing coagulated colloidal particles with close-packed structure which comprises; (A) adding a coagulant to aqueous colloidal particles at a temperature lower than...
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4764563 |
Clear impact modifier for PVC
PVC impact modifier composition and clear modified PVC comprising PVC and a graft copolymer including from 60 to 70 wt % of a butadiene based rubber grafted with 40 to 30 wt % of a styrenic...
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4764558 |
Alkyl vinyl ether/N-arylmaleimide copolymer containing polymer alloy
A thermodynamically miscible polymer composition containing a copolymer having recurring units of an alkyl vinyl ether and recurring units of an N-aryl substituted maleimide and an acrylonitrile...
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4762886 |
Weather resistant thermoplastic resin composition
A weather resistant thermoplastic resin composition which comprises (A) a graft polymer comprising (A-1) chosen from a copolymer of ethylene and propylene, a terpolymer of ethylene, propylene and a...
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4760108 |
Microcapsule-containing water-base coating formulation and copying and/or recording material making use of said coating formulation
A microcapsule-containing water-base coating formulation comprises as essential components (a) microcapsules making use of a synthetic resin as a wall-forming material and (b) a reaction product...
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4753708 |
Method for heat sealing
A film forming dispersion for the heat sealing of dissimilar substrate said dispersion comprising at least two different types of polymers having different adhesive properties in an organic solvent...
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4745156 |
Thermoplastic resin compositions
A polyvinyl chloride resin composition is disclosed, which contains an α-methylstyrene/acrylonitrile copolymer in a specified amount. Forming sheet materials made therefrom having high heat...
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4743649 |
Films of linear ethylene polymer and high impact polystyrene
Films of linear ethylene polymers, particularly copolymers of ethylene and alpha-olefins of 4 to 10 carbon atoms (LLDPE), containing up to about 15 weight percent of an impact polymer, e.g. impact...
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4740560 |
ABS resins and process for making them
A polyblend of a high graft copolymer, a low graft copolymer and a matrix interpolymer is made by: (A) mixing a latex of the high graft copolymer and a latex of the low graft copolymer to...
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4732926 |
Dry blendable polypropylene composition
A high impact dry blendable polypropylene composition filled with mica and reinforced with an impact modifier of ethylene-propylene-diene monomer rubber/high density polyethylene.
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4717741 |
Rubber modified styrenic polymer compositions formed from hydroperoxide derivatives of rubbery polymers
A rubber-modified polymeric composition is disclosed. The rubber-modifying component comprises a grafted rubbery polymer, said grafted rubbery polymer being formed by a process, the steps of the...
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4716197 |
Polyethylene/EPDM-graft polystyrene blends
The specification discloses a polymer blend comprising from about 20 to 90% of an olefin combination including a high density polyolefin and a linear low density polyolefin, from about 6 to about...
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4704431 |
Blends of polypropylene and vinylaromatic/α-methylstyrene copolymers
A polymer resin comprising a blend of polypropylene, a copolymer of a vinylaromatic monomer and α-methylstyrene prepared by anionic polymerization at a temperature above 61° C. and a...
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4703083 |
Grafted nitrile rubber blends as thermoplastic elastomers
Compositions comprising 100 parts by weight high (>50 wt %) nitrile rubber graft copolymer and from 20 to 50 pbw nitrile rubber are thermoplastic elastomers. These elastomers exhibit improved...
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4703084 |
Thermoplastic compositions containing nitrile rubber
Compositions comprising a vinyl aromatic compound-acrylonitrile copolymer, a nitrile rubber and a graft copolymer thereof possess good rubbery characteristics and are processible as thermoplastics...
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