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4829124 |
Dynamically crosslinked thermoplastic elastomer
A thermoplastic elastomer is described which comprises a blend of (a) a carboxylated butadieneacrylonitrile elastomer and (b) an ethylene/acrylic acid copolymer which has been at least partially...
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4829125 |
Method of producing an olefin thermoplastic resin composition
A given amount of crystalline polypropylene resin is blended with an olefin copolymer rubber to prepare a preblend comprising an olefin copolymer rubber/crystalline polypropylene and then the...
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4818785 |
Fine particulate crosslinked amorphous copolymer and preparation and use thereof
A fine particulate crosslinked amorphous copolymer comprising an amorphous copolymer having a constituent unit originating at least from ethylene and α-olefin, and having an average particle...
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4806600 |
Methyl methacrylate syrup composition
A methyl methacrylate syrup composition comprises an intimate mixture of 1-99 parts by weight of a first polymer-in-monomer syrup (A) and 99-1 parts by weight of a second polymer-in-monomer syrup...
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4789708 |
Synthetic elastomer with improved chemical, aging and oil resistance
Ethylene propylene copolymer elastomers and ethylene propylene diene terpolymer elastomers are shown which, when cured, exhibit improved oil resistance and chemical aging properties at elevated...
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4778833 |
Composition for the preservation of wood
Composition for the preservation of wood containing a wood preservative, such as a boron compound or a fluorine compound, in a polymer or polymer composition, which upon contact with water releases...
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4769406 |
Hot melt adhesive
A hot melt adhesive suitable for bonding plastic, metal, and glass together has been developed by blending together into a homogenous mixture 10 to 20 weight percent of ethylene/vinyl acetate/acid...
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4767833 |
Transparent, impact-resistant, thermoplastic resin composition having excellent chemical resistance and process for producing same
A thermoplastic resin composition obtained by graft-polymerizing 95 to 50 parts by weight of a monomer mixture comprising a vinyl aromatic compound monomer and an acrylic compound monomer and...
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4767822 |
Method of forming a nonaqueous stable emulsion of rubber in polymerizable monomer, and the polymerization process and thermoplastic copolymers produced thereby
A process for the production of a nonaqueous stable emulsion feedstock comprising a rubber, a block copolymer having at least one component miscible with the rubber and at least one component...
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4758627 |
Polymer interdispersions, related compositions and method of making same
Polyblend interdispersions of two or more different polymers formed at least partially in the presence of an interdispersing aid which can be polytetrafluoroethylene or ultra high molecular weight...
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4753988 |
High gloss acrylate rubber-modified weatherable resins
Impact modified copolymers of vinyl aromatic, ethylenically unsaturated nitrile and, optionally, methyl methacrylate monomer, wherein the impact modifier comprises (a) large grafted rubber...
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4739002 |
Curable acrylic adhesives
Cross-linking type adhesive compositions comprising (A) polymers having α,β-unsaturated carboxylate groups, (B) materials having polymerizable vinyl groups, which contain an acrylic and/or...
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4737548 |
Adhesive resins and laminate articles
Adhesive resins obtained by reacting 100 parts by weight of an epoxy group-containing olefin polymer with 0.01-10 parts by weight of at least one ethylenically unsaturated fatty acid or derivative...
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4737547 |
Polyolefin blends containing reactive agents
A polyolefin blend comprising, in physical admixture, a major portion of particles of a first polyethylene and a minor portion of particles of a composition of a second polyethylene, is disclosed....
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4732940 |
Crosslinked resin compositions
A crosslinked resin composition obtained by crosslinking a composition comprising (A) 95-10 wt. % of a propylene polymer and (B) 5-90 wt. % of an ethylene/α-olefin copolymer having the following...
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4728709 |
Terminal cluster vinyl silicones and acrylate cluster silicones therefrom
A polyorganosiloxane polymer having a structure represented by one of the formulas (AB) m C or [(AB) m ] n SiR (4-n) where the R groups are the same or different organic groups other than...
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4727113 |
Crystalline 1-butene polymer composition
The composition of crystalline 1-butene polymer comprising (a) a crystalline 1-butene polymer containing a 1-butene component as a main component, and (b) a radical-treated crystalline...
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4722973 |
Thermoplastic elastomer composition
This invention provides a thermoplastic elastomer composition obtained by blending (A) a hard segment comprising a low-density ethylene-α-olefin copolymer formed by copolymerizing ethylene with an...
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4713409 |
Vulcanizable polymeric compositions containing a zinc dimethacrylate adjuvant and method for preparing the adjuvant
Vulcanizable polymeric compositions comprising certain rubbery polymers or polymer blends, a zinc dimethacrylate adjuvant having a surface area of from about 3.7 to about 5.4 m 2 /g or more and a...
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4710540 |
Composition for preparing cement-adhesive reinforcing fibers
A modifier composition is disclosed for compounding with a polyolefin to produce a resin from which cement adherent polyolefin fibers may be produced by conventional fiber forming methods. The...
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4708988 |
Process for dynamically partially gelling fluoroelastomers
An extrudable fluoroelastomer comprising a gelled fluoroelastomer having units of vinylidene fluoride and units of at least one other fluorine-containing monomer copolymerizable with vinylidene...
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4698373 |
Stable one part dental compositions employing ipn technology
Compositions hardenable by exposure to heat or electromagnetic radiation are provided by dissolving together to form a blend from about 0% to about 50% by weight of an uncrosslinked polymer, from...
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4696967 |
Thermoplastic elastomer compositions
A low smoke and flame retardant composition comprising an acrylate rubber and a polyolefin resin compatibilized with aluminum trihydrate. The composition can be made by dynamically partially curing...
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4690995 |
Copolymers containing high concentrations of phenol antioxidant units
Copolymers comprising 0.10 to 50 parts by weight of hindered phenol antioxidant monomer and at least 10 to 60 parts by weight of at least one unsaturated carboxylic acid monomer are prepared,...
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4687810 |
Making rubber blends of diene rubber & EPR or EPDM
A rubber blend is produced by masticating a mixture of monoolefin copolymer rubber and high-diene hydrocarbon rubber while dynamically vulcanizing the monoolefin copolymer rubber. The blend is then...
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4683269 |
Opaque binder system
The present invention relates to an opaque binder system containing a core-shell polymer and polymeric binder. The system is prepared and blended in-situ and demonstrates improvement in contrast...
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4683257 |
Rubber compositions for solid golf balls
Solid golf balls are formed from a molding composition comprising (1) a polybutadiene blend of (A) a polybutadiene synthesized using a nickel and/or cobalt base catalyst and having a Mooney...
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4678834 |
Blends of polyolefins with polymers containing reactive agents
A polyolefin blend comprising, in physical admixture, a major portion of particles of a polyethylene and a minor portion of particles of a composition of a thermoplastic second polymer, is...
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4678837 |
Multilithium polymerization initiators
An alternate procedure for preparing multilithium initiators using DVB has been developed in order to achieve better control over the specific number of anionic sites per initiator molecule and to...
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4677025 |
Unique molecular weight distribution polybutylene blend and film
An unusual polybutene-1 polymer blend based on the ability of polybutene-1 to undergo random scission of molecules in a chemical cracking process. Such cracked polymer when blended back with the...
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4666987 |
In-mold polymerization of vinyl aromatic compound
A process for in mold polymerization and a composition for use therein comprising a polymerizable vinyl aromatic monomer and a particulated, semicrystalline nonmiscible polymer.
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4654402 |
Graft polymer of acrylic ester rubber and polyolefin
Compatibilized polymer blends are described comprising a blend of olefin polymer, cross-linkable acrylic ester copolymer rubber, and a compatibilizing amount of a graft copolymer comprising acrylic...
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4640958 |
Novel coupling agent for star-block copolymers
A new coupling agent has been disclosed which is acryloyl chloride. This coupling agent undergoes anionic polymerization through the acrylate unsaturation rather than anionic attack at the acid...
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4638019 |
Method for radical cross-linking of organic polymers
A method for radical cross-linking or organic polymers, is disclosed which uses a cross-linking enhancer of the following formula ##STR1## wherein R is alkenyl or alkynyl; R 1 is alkylene,...
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4623684 |
Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same
A composition comprising: (A) a first component selected from the group consisting of: (i) an oil-soluble ethylene backbone polymer having a number average molecular weight in the range of...
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4618654 |
Base material for silane grafted, crosslinked thermoplastic or elastomeric material
The base material for silance grafting is to be a mixture of at least 50% of a polyolefin (compound A) and of not more than 50% of a different polymer or elastomer serving as property modifier...
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4614764 |
Linear low density ethylene polymers blended with modified linear low density ethylene polymers
The properties of linear ethylene polymers, especially linear, low density polyethylene (LLDPE), are improved by adding a chemically modified ethylene polymer to the base resin. The modification is...
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4612155 |
Process for the grafting of monomers onto polyolefins
A continuous process for the grafting of ethylenically unsaturated monomers onto homopolymers of ethylene and copolymers of ethylene and C 4 -C 10 higher alpha-olefins is disclosed. The process...
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4612348 |
Rubber concentrate, polymer blends based thereon and methods for making same
The specification discloses a method for forming a rubber concentrate which can be incorporated in relatively high percentages into rubber reinforced polymers without adversely affecting...
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4605704 |
Graft polymers of polymerizable monomers and olefin polymers
Graft polymers are prepared by reacting an ethylenically unsaturated polymerizable monomer with a polymer of an olefin of 2 to about 8 carbon atoms in a process wherein the olefin polymer is...
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4603173 |
Processing polyethylene resins
Polyethylene blow molding resins having improved processing properties such as reduction of flare swell and die swell are obtained by treating resins having particular molecular weight...
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RE32217 |
Graft copolymerization process
Mass graft copolymerization carried out in an extrusion passageway having a sealing zone to prevent back flow of grafting material introduced to the extrusion passageway downstream of the sealing...
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4596855 |
Elastomeric compositions
An elastomeric composition comprising an elastomer matrix having dispersed therein about 3-30 parts per 100 parts by weight of the elastomer of powdered polytetrafluoroethylene having a number...
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4591615 |
Thermoplastic elastomer composition
A process for producing a thermoplastic elastomer comprising curing a blend of nitrile rubber and a thermoplastic under dynamic curing conditions. The thermoplastic comprises a copolymer of...
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4587297 |
Blends of polyolefin-vinyl chloride graft polymers and condensation polymers
A novel thermoplastic polymer composition comprises a blend of polyolefin graft polymer, and a condensation polymer such as a polycarbonate, a polyester of bisphenol and phthalic acids, or a...
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4575526 |
Hydrocarbyl substituted carboxylic acylaging agent derivative containing combinations, and fuels containing same
A composition comprising: (A) a first component selected from the group consisting of: (i) an oil-soluble ethylene backbone polymer having a number average molecular weight in the range of...
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4567223 |
Polyolefin containing hot-melt adhesives having short set time and both good low and high temperature bond strength properties
The hot-melt adhesives of the present invention comprise a blend of at least one propylene/C 4 to C 10 higher 1-olefin copolymer having an acid number of at least 5, a tackifying resin, and a...
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4555546 |
Compatibilized blends of acrylic ester
Compatibilized polymer blends are described comprising a blend of olefin polymer, cross-linkable acrylic ester copolymer rubber, and a compatibilizing amount of a graft copolymer comprising acrylic...
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4530970 |
Fluoroelastomer composition and lining material made thereof
A fluoroelastomer composition comprising a fluoroelastomer and a polyvinylidene fluoride, wherein the fluoroelastomer is a peroxide-curable fluorinated copolymer elastomer, the polyvinylidene...
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4530971 |
Covulcanizable compositions from fluoroelastomers based on vinylidene fluoride and copolymers tetrafluoroethylene-propylene
A fluoroelastomer (A) based on vinylidene fluoride (40-83% by moles), perfluoropropene (15-35%) and tetrafluoroethylene (0%-30%) and a diamino compound (B), are mixed with a copolymer (C)...
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