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5064904 |
Suitable polychloroprene materials for the production of high-damping vulcanisates
Vulcanizates of polychloroprene materials containing fluorinated polyolefin have a decreased rebound elasticity without having a significantly adverse effect on the mechanical properties.
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5059480 |
Curable adhesives
A curable adhesive composition comprises a thermoplastic fluoropolymer, an elastomeric fluoropolymer, an ethylene copolymer and a crosslinking component. The composition preferably also comprises a...
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5057345 |
Fluoroopolymer blends
A polymer blend comprises (A) a fluorinated ethylene-propylene copolymer and (B) a fluoroelastomer. The fluoroelastomer comprises a block copolymer comprising at least one elastomeric segment...
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5057575 |
Processing aid for polymers
Polymer blend composition having improved processibility and comprising: (a) a major portion of a difficultly melt-procesible polymer, and (b) a minor portion of: 1 at least an effective...
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5055529 |
Processing aid for thermoplastic resin, and thermoplastic resin composition comprising same
A processing aid for a thermoplastic resin is disclosed, which is a two-stage polymer obtained by polymerizing (B) 5 to 50 parts by weight of a monomer or monomer mixture composed mainly of methyl...
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5051479 |
Melt processable TFE copolymers with improved processability
A melt-processable thermoplastic composition consisting essentially of a blend of a melt processable thermoplastic fluorocarbon polymer and about 0.05 to about 0.5 percent by weight of an...
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5010130 |
High melt viscosity fluoropolymer process aid
Improved polymer blend composition having improved processibility and comprising: (a) a major portion of a difficultly melt-processible polymer, and (b) a minor portion of: (1) at least an...
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5006594 |
Fluorinated thermoplastic elastomers containing polymeric additives and process for preparing such elastomers
New blends of fluorinated thermoplastic elastomers are disclosed that contain a two-phase composition including a continuous phase of a melt processible crystalline thermoplastic fluorocarbon resin...
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5001192 |
Polymeric polyblend composition
A polymeric polyblend composition comprising a vinylidene chloride interpolymer, polyvinylchloride, and a compatibilizing amount of a compatabilizing polymer, said polymers being miscible.
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4990406 |
Surface coating based on fluoro terpolymers and acrylic resins and resultant products
A composition for lining or coating surfaces, comprising at least one fluoro terpolymer and at least one acrylic resin, said fluoro terpolymer consisting essentially of, on a molar basis, of: (a)...
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4988566 |
Fluorocarbon polymer compositions and articles shaped therefrom
High strength, flexible compositions with improved mechanical properties at elevated temperatures for wire insulation coatings and other shaped articles used in hostile environments are disclosed,...
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4988548 |
Novel vulcanizable rubber compositions and applications thereof
A vulcanizable rubber composition comprising (1) 100 parts by weight of a polymer composition comprising (I) a vinylidene fluoride resin, (II) at least one rubber selected from the group...
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4960624 |
Fluoroelastomer composition and heat shrinkable articles comprising same
A fluoroelastomer composition is disclosed, which comprises a mixture of 100 parts by weight of a tetrafluoroethyline-propylene copolymer, not smaller than 1 part by weight and smaller than 100...
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4948830 |
Broad temperature capability elastomer
An improved fluoroelastomer composition for hydraulic seals is described which comprises a ternary mixture of a polymer including alternate fluorocarbon and hydrocarbon components joined together,...
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4945126 |
Methods of improving friction and wear properties of polymer systems
Lubricant systems are provided in which a polyolefin or polyolefin/polytetrafluoroethylene blend functions as a lubricant in a polymer matrix material. The resulting polymer composites containing...
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4945132 |
Crosslinked 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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4942203 |
Polymer compositions
A polymer composition comprising (1) a polyether polyol which is a product obtained by the free radical addition of a fluoro-olefin of the general formula: ##STR1## wherein Y represents F or...
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4935467 |
Polymeric blends
Novel compositions comprise a blend of (A) a thermoplastic polymer selected from copolymers of ethylene and tetrafluoroethylene, and thermoplastic vinylidene fluoride polymers; and (B) a...
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4931499 |
Rubber composition derived from fluoroelastomer and ethylene-alpha-olefin copolymer rubber and rubber article formed therefrom
A rubber composition obtained by subjecting a mixture of (I) 35-95 parts by weight of a fluoroelastomer and (II) 65-5 parts by weight of an ethylene-α-olefin copolymer rubber in which the total of...
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4914158 |
Granular powder of melt processable fluorine-containing resin and preparation of the same
The granular powder of a melt processable fluorine-containing resin which is an agglomerate comprising particles of the melt processable fluorine-containing resin having an average particle size of...
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4886689 |
Matrix-matrix polyblend adhesives and method of bonding incompatible polymers
A novel adhesive is described, consisting of a matrix-matrix polyblend of polymer components useful in an adhesive tie layer to bond incompatible polymer layers. The adhesives are a blend of the...
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4882113 |
Heterogeneous elastomeric compositions containing a fluoroelastomer and PTFE and methods for manufacturing said compositions
A composition comprising a homogenous mixture of unsintered porous fluoropolymer particles and fluoroelastomers, processes for manufacturing the composition, and devices made from the composition.
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4868036 |
Polymeric composition with high impact strength
A polymeric composition of at least one matrix polymer based on methyl methacrylate, at least one elastomeric latex, and at least one polymer based on fluorovinyledene, the amounts of each...
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4868042 |
Antiwicking compositions and fabrics treated therewith
A novel antiwicking composition is provided for which comprises a fluorinated ethylene/propylene copolymer, a polymeric fluoroaliphatic ester, a liquid carrier, and a dispersant. Preferably, the...
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4861835 |
Polymer blend composition suitable as optical material
A polymer blend of 2-80 wt % of an acrylic or methacrylic ester base polymer and the balance of a ternary copolymer of vinylidene fluoride (VDF), hexafluoroacetone (HFA) and tetrafluoroethylene...
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4857598 |
Co-vulcanizable compositions of fluoroelastomers
Co-vulcanizable compositions comprising a fluoroelastomer (A) composed of from 40% to 85% by mol of vinylidene fluoride, from 15% to 35% by mol of perfluoropropene and from 0 to 30% by mol of...
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4840994 |
Compositions based on fluoroelastomers and on modified olefinic polymers
Fluoroelastomer compositions vulcanizable with peroxides having improved processability and compatibility properties and comprising, as additives, ethylene polymers and ethylene-propylene or...
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4837074 |
Thermoformed polyolefin articles having improved gloss
Thermoformed polyolefin articles with improved gloss and method of making the same. A polyolefin such as LDPE, HDPE, LLDPE or PP is compounded with up to 3000 ppm, e.g. 800-1500 ppm,...
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4831083 |
Co-vulcanizable compositions of fluoroelastomers having improved chemical stability
Co-vulcanizable compositions comprising (A) 55-85% by weight of a fluoroelastomeric copolymer of vinylidene fluoride with perfluoropropene and possibly tetrafluoroethylene; (B) 45-15% by weight of...
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4828756 |
Electrically conductive composites of polyacetylene and high-nitrile resins and method thereof
An electrically conductive composite comprising conductive polyacetylene moiety, a nonconductive high nitrile resin, and a dopant. The high nitrile resin further comprises at least nitrile monomers...
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4829116 |
Polyolefin molding composition
A polyolefin molding composition, in particular based on LLDPE, containing a fluorine-containing polymer together with a wax, has a broad processing range in which no surface defects occur. The...
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4824911 |
Blends and molded articles comprising methacrylate polymers and vinylidene fluoride - hexafluoropropylene copolymer
Blending a minor proportion of a copolymer of vinylidene fluoride and hexafluoropropylene with a major proportion of a methacrylate polymer such as polymethylmethacrylate improves the toughness of...
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4822122 |
Optical transmission medium and process for producing the same based on vinylidene flouride polymers and metharylate polymers
The graded-index optical transmission medium with a low transmission loss, a favorable index distribution and superior in softness etc. can be constituted by a mixture of polymers Pn having...
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4820586 |
Pyroelectric and isotropic piezoelectric polymer blends
A pyroelectric and isotropic piezoelectric polymeric film, the film being formed from a blend of polyvinylidene fluoride and at least one polymer miscible therewith, and prepared by forming the...
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4804713 |
Pressure sensitive adhesive resin composition
A fluororesin composition useful as a pressure sensitive adhesive is obtained by blending 2-50 wt % of a copolymer of vinylidene fluoride and hexafluoroacetone with a copolymer of 2-ethylhexyl...
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4792117 |
Material for valve seats
A material for valve seats is molded of a composite resin. The composite resin is composed of polytetrafluoroethylene and a copolymer of tetrafluoroethylene and perfluoroalkylvinylether. The amount...
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4786678 |
Method of producing films from polyethylene resin, an additive and a second polymeric resin
There is disclosed a modified method of preparing a blown polyethylene film made from a blend of major proportion of a polyethylene resin, e.g., LLDPE, a minor proportion of a second polymeric...
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4786565 |
Highly weather-resistant electrodeposition coating composition
Disclosed is a highly weather-resistant electrodeposition coating composition which is obtained by neutralizing a mixture of an acrylic polycarboxylic resin having an acid value of from 30 to 100...
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4783494 |
Thermoplastic compositions of polycarbonate resin and copolymers of ethylene and acrylic or methacrylic acid
Thermoplastic compositions useful for preparation into shaped articles are provided which are based on mixtures of an aromatic polycarbonate resin, such as a poly(bisphenol-A carbonate) resin, and...
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4761444 |
Blend composition of sulfo EPDM's having improved tear properties
An elastomeric blend composition having improved tear properties and having a viscosity at 0.73 sec -1 and at 200° C. of about 8×10 3 to about 8×10 5 poises, said composition formable into an...
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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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4756599 |
Optical fiber using vinylidene fluoride base ternary copolymer as cladding material
The invention is an optical fiber having a core formed of either an inorganic glass or an organic polymer such as polymethyl methacrylate and a cladding layer formed of a ternary copolymer of...
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4753995 |
Compositions of linear polyethylene and polyvinylidene fluoride for film extrusion, and films thereof
The extrudability of linear polymers of ethylene such as low density copolymers of ethylene and C 4 -C 10 olefins (LLDPE) into thin films is improved by adding small amounts, e.g., 0.02 to 2...
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4749752 |
Fluoropolymer alloys
Fluoropolymer alloys made of melt fabricatable extra-high-molecular weight fluorinated ethylene-propylene copolymer (EHMW-FEP) and one or more other polymers. In fluoropolymer alloys made of...
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4746573 |
Flowing (free-flowing) granular compositions based on fluorinated elastomers
Free-flowing granular compositions based on fluoroelastomers containing dispersed on their surface, as an anti-caking agent, from 5% to 70% by weight of a polyolefine powder.
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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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4731417 |
Multicomponent resin composition variable in light transmittance with temperature
Disclosed is a multicomponent resin composition which is essentially a blend of three polymers, each of which may be a copolymer, and undergoes a change in light transmittance and color with...
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4713418 |
Blends of fluoroplastics and fluoroelastomers
A composition and method for preparing it is disclosed. The composition in a blend of a cured fluoroelastomer which except for the cure sites is a perfluorocarbon and a thermoplastic copolymer of...
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4708989 |
Polymer based dielectric material with high dielectric permittivity
The invention relates to dielectric materials formed from polymers and having high dielectric permittivity. The invention provides alloys of ferroelectric polymers with different Curie...
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4647602 |
Method of dispersing fluoroplastics in polymeric compositions
This invention provides a method of dispersing a fluoroplastic in a polymer composition. The method comprises the steps of comminuting the fluoroplastic to a uniform dispersion, admixing with the...
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