Solid Polymer Derived From Chlorine-containing Reactant Other Than Vinyl(idene) Chloride Patents (Class 525/213)
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Publication number: 20010027221Abstract: The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm−3 and up to 40 weight percent a polyolefin including ethylene and propylene. The polymer blend is cross-linked. The polymer blends are formable and foamable. The use of sulfur to vulcanize the polymer blend is not necessary. The polymer blends can be used to make foam for floatation or for making gaskets.Type: ApplicationFiled: April 10, 2001Publication date: October 4, 2001Applicant: Sentinel Products, Corp.Inventors: John D. Bambara, Matthew L. Kozma, Todd Cagwin, Robert F. Hurley
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Publication number: 20010027236Abstract: Polymer composition comprising (A) (co)polymers based on chlorotrifluoroethylene (PCTFE) and (B) copolymers based on ethylene/chlorotrifluoroethylene (ECTFE) and/or ethylene/tetrafluoroethylene (ETFE).Type: ApplicationFiled: February 13, 2001Publication date: October 4, 2001Applicant: Ausimont S.p.A.Inventors: Julio A. Abusleme, Claudia Manzoni
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Patent number: 6291591Abstract: Blends of syndiotactic 1,2-polybutadiene and rubbery elastomers are prepared by a process that comprises polymerizing 1,3-butadiene monomer into syndiotactic 1,2-polybutadiene within a rubber cement of at least one rubbery elastomer by using a chromium-based catalyst composition that is formed by combining a chromium-containing compound, a hydrogen phosphite, and an organomagnesium compound.Type: GrantFiled: April 13, 2000Date of Patent: September 18, 2001Assignee: Bridgestone CorporationInventor: Steven Luo
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Patent number: 6268467Abstract: The present invention generally relates to certain hydrophilic polymers. These polymers undergo negligible shrinkage when polymerized and are highly hydrophilic, rendering them useful in a variety of applications.Type: GrantFiled: December 22, 1999Date of Patent: July 31, 2001Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Richard M. Ozark
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Patent number: 6262178Abstract: This invention is based upon the discovery that cyclized polyisoprene polymers can be incorporated into tire tread compounds to improve traction, treadwear, and resistance to tear. It is further based upon the discovery that cyclized polyisoprene polymers can be blended with halobutyl rubber and/or natural rubber and can be utilized in tire innerliner formulations. The present invention more specifically discloses a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said tread is adapted to be ground-contacting, and wherein said tread is comprised of a sulfur cured rubber composition which is comprised of about 5 phr to about 50 phr of cyclized polyisoprene and about 50 phr to about 95 phr of at least one other rubbery polymer.Type: GrantFiled: December 28, 1999Date of Patent: July 17, 2001Assignee: The Goodyear Tire & Rubber CompanyInventors: Paul Harry Sandstrom, Joseph Frank Geiser, Judy Chu, David John Zanzig, Richard George Bauer
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Publication number: 20010007892Abstract: A rubber composition obtained byType: ApplicationFiled: February 5, 2001Publication date: July 12, 2001Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Yasuhisa Minagawa, Hiroki Sarashi, Minoru Ueda
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Patent number: 6187865Abstract: These articles relate to rubber compositions and laminates thereof. The laminates bring together materials not easily bonded to each other. The compositions comprise rubber and a resin component containing ethylene-vinyl acetate copolymer (EVA). The laminates are useful for providing a protective covering such as shelf or drawer liners.Type: GrantFiled: December 16, 1998Date of Patent: February 13, 2001Assignee: Ludlow Composites CorporationInventor: Edouard A Brodeur, Jr.
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Patent number: 6172160Abstract: The invention provides a diene polymer composition composed of a branched diene polymer component (A) having at least three branched diene polymer chains through a polyfunctional coupling agent and a linear diene polymer component (B) having a quaternary ammonium group, and having a weight average molecular weight (Mw) within a range of from 100,000 to 2,000,000, a preparation process of the diene polymer composition, and a rubber composition comprising a rubber component containing the diene polymer composition, and a reinforcing agent.Type: GrantFiled: October 15, 1998Date of Patent: January 9, 2001Assignee: Nippon Zeon Co., Ltd.Inventors: Masao Nakamura, Yukio Takagishi
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Patent number: 6140423Abstract: A chlorinated vinyl chloride resin composition, which is suitably used for the production of extruded pipes, containing a chlorinated vinyl chloride resin which has a polymerization degree of from 600 to 1500 prior to chlorination and a chlorination degree of from 62 to 70 wt. %, methyl methacrylate-butadiene-styrene copolymer particles having a butadiene content of less than 60 wt. % and a styrene content of larger than 30 wt. % in the whole particles, and a chlorinated polyethylene having a chlorine content of from 10 to 50 wt. %, in which the methyl methacrylate-butadiene-styrene copolymer particles have an average dispersed particle size of 2,000 angstroms or less in an extruded pipe produced from the composition.Type: GrantFiled: December 22, 1998Date of Patent: October 31, 2000Assignee: Kaneka CorporationInventors: Takeyuki Suzuki, Toshio Okuhara, Minoru Isshiki
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Patent number: 6111018Abstract: There is disclosed a resin composition comprising about 99-1% by weight of a vinyl chloride resin and about 1-99% by weight of a copolymer of about 30-70 mol % N-substituted maleimide structural unit and about 70-30 mol % olefinic structural unit. The composition has excellent forming and molding properties and provides formed or molded products of improved heat resistance and mechanical properties.Type: GrantFiled: October 7, 1998Date of Patent: August 29, 2000Assignee: Tosoh CorporationInventors: Toru Doi, Hiroshi Inoue
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Patent number: 6100337Abstract: A thermoplastic elastomer produced without a hydrogenation step is functionalized utilizing a free radical initiator and a functionalizing monomer having at least one point of unsaturation. The base polymers can be produced by copolymerizing an .alpha.-olefin capable of producing an amorphous backbone with a comonomer which provides a "hook" for grafting to with a living polystyrene chain. Another method is to copolymerize an .alpha.-olefin monomer system capable of producing an amorphous backbone with a comonomer containing a functional group from which an anionically polymerizable monomer is grown from the backbone. A third method involves copolymerizing an .alpha.-olefin monomer system capable of giving an amorphous backbone with an olefin-terminated polystyrene comonomer. In a less preferred embodiment, a conventional EPDM polymer can be metallated and a monoalkenyl aromatic compound anionically polymerizable monomer grown from the backbone.Type: GrantFiled: May 18, 1998Date of Patent: August 8, 2000Assignee: Shell Oil CompanyInventors: Bridget Ann Spence, Ronald James Hoxmeier, Robert Charles Job
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Patent number: 6087435Abstract: A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.Type: GrantFiled: June 5, 1995Date of Patent: July 11, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6077613Abstract: A sound insulating membrane and processes for forming, particularly well suited for use in floor, ceiling and wall constructions. The membrane comprises at least one backing layer in contact with a layer of nonfoam polymeric material. The polymeric material has an elongation factor of about 500% to about 900% and a Shore A hardness of from about 65 to about 80 points, 5 seconds. In a preferred embodiment, the polymeric material comprises 40-70% chlorinated polyethylene, 20-30% ethylene vinyl acetate, and up to 10% polyvinyl chloride. Floor, ceiling and wall constructions and related methods utilizing the sound insulating membranes are also disclosed.Type: GrantFiled: November 12, 1993Date of Patent: June 20, 2000Assignee: The Noble CompanyInventor: Walter J. Gaffigan
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Patent number: 6060563Abstract: Graft copolymers having cationic units pendant to the backbone chain are disclosed. These polymers are prepared by reacting a polymer containing halogenated paramethylstyrene units in the chain, e.g., a brominated copolymer of isobutylene and para-methylstyrene, with an anionically polymerized polymer made using an organolithium initiator compound having the formula R.sub.1 R.sub.2 Z R.sub.3 --Li where R.sub.1 and R.sub.2 are alkyl radicals, R.sub.3 is a direct link or an organic radical and Z is nitrogen or phosphorous. Reaction of the anionically polymerized polymer having an R.sub.1 R.sub.2 Z R.sub.3 --end group with the halogenated polymer leads to graft polymers coupled by a quaternary ammonium or phosphonium groups.Type: GrantFiled: May 23, 1997Date of Patent: May 9, 2000Assignee: Exxon Research and Engineering CoInventors: Dennis G. Peiffer, Hsien-Chang Wang, Pamela Jean Wright, Joseph A. Sissano, Lewis J. Fetters, Louise M. Wheeler, Rebecca L. Rucker
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Patent number: 6051655Abstract: A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.Type: GrantFiled: June 5, 1995Date of Patent: April 18, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6013727Abstract: A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene. A process for preparing a dynamically vulcanized composition is also provided.Type: GrantFiled: January 31, 1991Date of Patent: January 11, 2000Assignee: Exxon Chemical Patents, Inc.Inventors: Narayanaswami Raja Dharmarajan, Robert Chester Puydak, Hsien Chang Wang, Kenneth William Powers, Thomas Chen-Chi Yu, Donald Ross Hazelton
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Patent number: 6013733Abstract: Curable coating compositions comprising either a liquid or particulate curable film-forming resinous material, a flow control agent which is a copolymer and optionally a carrier for the liquid resinous material. The copolymer is from at least one non-amino, non-hydroxyl and non-acid functional alkyl acrylate or methacrylate containing from 1 to 20 carbon atoms in the alkyl group, and functional monomer of either (i) amino functional acrylates and methacrylates in an effective amount to give the copolymer an amine value in the range from 2 to 70, or (ii) acid functional acrylate and methacrylate in an effective amount to give the copolymer an acid value in the range of from 10 to 30. Additionally, with either functional monomer (i) or (ii) another functional comonomer (iii) can be present in the copolymer which is hydroxyalkyl acrylate and/or hydroxyalkyl methacrylate and/or caprolactone polyol monomer.Type: GrantFiled: March 11, 1998Date of Patent: January 11, 2000Assignee: PPG Industries Ohio, Inc.Inventors: Debra L. Singer, Kurt G. Olson, Kurt A. Humbert, Karen A. Barkac, Mark E. Wozniak
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Patent number: 6008317Abstract: The present invention generally relates to certain hydrophilic polymers. These polymers undergo negligible shrinkage when polymerized and are highly hydrophilic, rendering them useful in a variety of applications.Type: GrantFiled: May 15, 1998Date of Patent: December 28, 1999Assignee: Bausch & Lomb IncorporatedInventors: Yu-Chin Lai, Richard M. Ozark, Paul L. Valint, Jr.
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Patent number: 5919845Abstract: The present invention relates to a powder coating having improved surface properties which contains from 0.05 to 5% by weight, preferably 0.5 to 1.5% by weight, of aliphatic polyvinyl ethers.Type: GrantFiled: April 23, 1998Date of Patent: July 6, 1999Assignee: BASF Coatings AGInventors: Richard Foukes, Klaus Cibura, Rolf Boysen, Josef Rademacher
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Patent number: 5914371Abstract: The present invention provides self-fusing, or self-amalgamating, compositions comprising rubber blends, preferably formed into a tapes, which, after being elongated and, for example, wrapped around a substrate, fuse together to form a continuous layer. In preferred aspects of the invention, the composition comprises a partially pre-crosslinked polyisoprene, a halogenated polyisobutylene, a medium molecular weight polyisobutylene, a non-extractable plasticizer and a mineral filler.Type: GrantFiled: February 13, 1998Date of Patent: June 22, 1999Assignee: Sealwrap Systems, LLCInventor: Bernard K. Mueller
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Patent number: 5854310Abstract: The present invention is a curable fluorosilicone composition having improved lubricity, low compression set, and good resistance to fluids such as automotive fuel without post-curing. The composition comprises(A) poly(trifluoropropyl)methylsiloxane, (B) vinylmethyldi(N-alkylacetamido)silane, (C) reinforcing treated silica, (D) chlorotrifluoroethylene polymer, and (E) vinyl specific organic peroxide catalyst.Type: GrantFiled: July 21, 1997Date of Patent: December 29, 1998Assignee: Dow Corning CorporationInventor: Myron T. Maxson
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Patent number: 5852121Abstract: An electrostatic toner receptor layer comprised of a blend of a terpolymer of methyl methacrylate/ethyl acrylate and N-t-butyl acrylamide, a vinyl resin, a chlorinated rubber or polyurethane dispersion rubber and a plasticizer. The resulting receptor layer provide durability and flexibility when applied to a crack resistance film for subsequent application to soft-sided vehicles.Type: GrantFiled: June 9, 1997Date of Patent: December 22, 1998Assignee: Minnesota Mining And Manufacturing CompanyInventors: Ronald S. Steelman, Eric J. Hanson, Jennifer Jeannette
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Patent number: 5728772Abstract: A thermoplastic elastomer composition comprising from 99 to 1 wt % of a thermoplastic polyester elastomer comprising high melting point polyester segments and low melting point polymer segments, and from 1 to 99 wt % of a chlorinated polyethylene having a chlorination degree of from 20 to 45 wt % and a heat of crystal fusion of from 5 to 35 cal/g as measured by a DSC method.Type: GrantFiled: May 21, 1996Date of Patent: March 17, 1998Assignee: Mitsubishi Chemical MKV CompanyInventors: Kazuya Hori, Yuji Takeda
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Patent number: 5543192Abstract: The present invention is directed to a printable release composition used for pressure sensitive labels and the like. The invention is also directed to an article, such as a label, that comprises a substrate such as paper, optionally a thermal transfer primer coating coated onto the substrate and a release layer coated onto the transfer primer coating or onto the substrate. The printable release composition of the present invention may be used with labels having permanent, repositionable or removable adhesives. The particular composition of the release layer depends on the type of adhesive that is appropriate for the desired end use.Type: GrantFiled: June 7, 1995Date of Patent: August 6, 1996Assignee: Moore Business Forms, Inc.Inventors: Adele C. Shipston, David K. Rice, II
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Patent number: 5516829Abstract: A heat seamable flame retardant sheet material for roofing prepared from an uncured polymeric composition of matter which comprises 100 parts by weight of a polymer blend comprising from about 50 to 90 parts by weight of halogenated polyolefins having up to about 2 percent by weight crystallinity, which polyolefins are prepared from monomers having at least 2 carbon atoms, and mixtures thereof and from about 10 to 50 parts by weight of a highly crystalline thermoplasticity promoter selected from the group consisting of polymeric olefins prepared from monomers consisting of at least two carbon atoms; from about 50 to 250 parts by weight of a filler selected from the group consisting of reinforcing and non-reinforcing materials and mixtures thereof per 100 parts of the polymer blend; from about 20 to 105 parts by weight of a processing material and mixtures thereof, per 100 parts of the polymer blend; and from about 15 to 90 parts by weight of an additive selected from the group consisting of flame retardant maType: GrantFiled: August 10, 1992Date of Patent: May 14, 1996Inventors: James A. Davis, Joseph K. Valaitis
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Patent number: 5516856Abstract: The present invention relates to a novel antioxidant-peroxide compound of Structure A,(Y--[--R--OO--X).sub.x --An].sub.y Ain which the definitions of X, Y, R, An, x, and y are given in the Summary of the Invention section, for example, t-butyl peroxy-3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate, processes for producing polymeric compositions of enhanced oxidative stability via initiation of polymerization of ethylenically unsaturated monomers, curing of elastomers and unsaturated polyester resins, modification of polypropylene and other polymers and copolymers, and crosslinking of olefin polymers and copolymers, and the resulting polymers having enhanced oxidative stability.Type: GrantFiled: January 18, 1995Date of Patent: May 14, 1996Assignee: Elf Atochem North America, Inc.Inventor: Jose Sanchez
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Patent number: 5478880Abstract: The present invention is directed to a printable release composition used for pressure sensitive labels and the like. The invention is also directed to an article, such as a label, that comprises a substrate such as paper, optionally a thermal transfer primer coating coated onto the substrate and a release layer coated onto the transfer primer coating or onto the substrate. The printable release composition of the present invention may be used with labels having permanent, repositionable or removable adhesives. The particular composition of the release layer depends on the type of adhesive that is appropriate for the desired end use.Type: GrantFiled: February 1, 1994Date of Patent: December 26, 1995Assignee: Moore Business Forms, Inc.Inventors: Adele C. Shipston, David K. Rice, II
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Patent number: 5468585Abstract: A resin composition for use in an electrophotographic toner which comprises an ethylenic polymer (L) having a M.sub.w of not greater than 20,000 and an acid value of 2 to 100 mg KOH/g, and an ethylenic polymer (H) having a M.sub.w of not less than 150,000, a M.sub.w /M.sub.n ratio of not less than 5.0 and a time constant for triboelectric charging (.tau.) of 1.2 to 25, the ethylenic polymers (L) and (H) being present in a weight ratio ranging from 15:85 to 85:15. This resin composition can improve the triboelectric charging properties of the toner.Type: GrantFiled: December 23, 1994Date of Patent: November 21, 1995Assignee: Mitsui Toatsu Chemicals, IncorporatedInventors: Katsuru Matsumoto, Nobuhiro Hirayama, Shoji Kawasaki, Kenji Uchiyama, Katsuo Uramoto, Tamami Fukui
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Patent number: 5397837Abstract: A compatibilized polymer blend composition is provided which comprises a uniform admixture of a halogenated copolymer of an isomonoolefin, such as polyisobutylene, and a para-alkylstyrene, such as para-methylstyrene blended with a carboxy-modified elastomer. Blends also containing an unmodified elastomer are provided wherein the carboxy-modified elastomer serves to compatibilize the unmodified elastomer and the halogenated copolymer.Type: GrantFiled: May 11, 1993Date of Patent: March 14, 1995Assignee: Exxon Chemical Patents Inc.Inventor: Palanisamy Arjunan
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Patent number: 5319026Abstract: In order to increase the modulus properties of a rubber compound it is desirable to achieve control of the cure morphology within a rubber matrix. The placement of curatives in a rubber matrix can be controlled by incorporating the curatives into a carrier and mixing the carrier with a rubber compound. In a preferred embodiment, the carrier can be made having the morphology of a short fiber, and the curatives can be oriented like a short fiber.Type: GrantFiled: May 3, 1993Date of Patent: June 7, 1994Assignee: The Goodyear Tire & Rubber CompanyInventors: Bruce R. Hahn, Judith A. Tweedie
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Patent number: 5290822Abstract: An ultra low density polyolefin foam having a density of about 0.6 to about 1.5 pounds per cubic foot comprising a heat-plastified mixture comprising (1) a non-elastomeric olefin polymer resin selected from the group consisting of ethylene homopolymers, non-elastomeric copolymers of ethylene and a copolymerizable monomer, and propylene homopolymers; (2) an elastomer in an amount of about 3 to about 30 wt. parts per 100 wt. parts of said non-elastomeric olefin polymer resin; (3) polystyrene in an amount of about 1 to about 15 wt. parts per 100 wt. parts of said olefin polymer resin; (4) a stability control agent selected from the group consisting of partial esters of long chain fatty acids with polyols, higher alkyl amines, fatty acid amides, and olefinically unsaturated carboxylic acid copolymers, and (5) a hydrocarbon blowing agent having from 1 to 6 carbon atoms and a boiling point between -175.degree. C. and 50.degree. C.Type: GrantFiled: June 21, 1993Date of Patent: March 1, 1994Assignee: Astro-Valcour, Inc.Inventors: John E. Rogers, Ronnie D. Kisner
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Patent number: 5258466Abstract: Emulsion polymers which are prepared by free-radical polymerisation of monomers in the presence ofa) polymers of the formulae ##STR1## wherein the radicals have the meanings given in the description, and b) low-molecular anionic emulsifiers,are outstandingly suitable as surface sizes for paper. They are distinguished by a low tendency to foaming and by a wide application spectrum.Type: GrantFiled: June 12, 1991Date of Patent: November 2, 1993Assignee: Bayer AktiengesellschaftInventors: Gunter Sackmann, Joachim Konig, Fritz Puchner, Heinz Baumgen
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Patent number: 5225451Abstract: A foamable composition for producing an ultra low density polyolefin foam having a density of about 0.6 to about 1.5 pounds per cubic foot comprising a heat-plastified mixture comprising (1) an olefin polymer resin selected from the group consisting of ethylene homopolymers and copolymers of ethylene and a copolymerizable monomer; (2) an elastomer in an amount of about 3 to about 30 wt. parts per 100 wt. parts of said olefin polymer resin; (3) polystyrene in an amount of about 1 to about 15 wt. parts per 100 wt. parts of said olefin polymer resin; (4) a stability control agent selected from the group consisting of partial esters of long chain fatty acids with polyols, higher alkyl amines, fatty acid amides, and olefinically unsaturated carboxylic acid copolymers, and (5) a hydrocarbon blowing agent having from 1 to 6 carbon atoms and a boiling point between -175.degree. C. and 50.degree. C.Type: GrantFiled: August 27, 1992Date of Patent: July 6, 1993Assignee: Astro-Valcour, Inc.Inventors: John E. Rogers, Ronnie D. Kisner
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Patent number: 5225491Abstract: This invention relates to a comb-shaped graft copolymer, to a process for making the comb, and to a polymer blend made with the comb. The comb is made by a free radical polymerization of an ethylenically unsaturated monomer with a macromolecular monomer ("macromer" for brevity) of a haloalkylene oxide ("HAO" for brevity) homopolymer, random or block copolymer. The comb copolymer and blends of the comb with a polymer(s) may be cured. A comb with a terminal acrylyl or methacrylyl group or "head" and pendant polyether chains, which always include some HAO repeating units, may be made in an emulsion or suspension polymerization process which provides a comb having adequately high molecular weight so that the comb may be used in blends. The preferred comb of epichlorohydrin has a (meth)acrylyl head at one end, through which it (the macromer) is polymerizable, and a terminal hydroxyl (OH) group, or an end-capping group derived from the OH group at the other end.Type: GrantFiled: October 14, 1992Date of Patent: July 6, 1993Assignee: The B. F. Goodrich CompanyInventor: Simon H. Yu
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Patent number: 5187232Abstract: Mixtures of polychloroprene and hydrogenated nitrile rubber give vulcanizates combining high modulus with a high dynamic stress absorption capacity.Type: GrantFiled: October 9, 1990Date of Patent: February 16, 1993Assignee: Bayer AktiengesellschaftInventors: Rudiger Musch, Joachim Thormer, Hartmuth Buding, Friedrich Leibbrandt
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Patent number: 5187201Abstract: Coating compositions and molding compositions containing an amount of alkyl vinyl ether polymer which is effective for improving leveling and/or preventing or eliminating foam, and the use of these copolymers for improving leveling and/or preventing or eliminating foam in coating compositions and molding compositions. The alkyl vinyl ether polymer is a copolymer containing identical or different repeating units of the formula ##STR1## in which R represents a C.sub.1-18 --alkyl group or C.sub.m F.sub.2m+1 --(CH.sub.2).sub.2 --group, where m is a number from 4 to 18, and identical or different repeating units of the formula ##STR2## in which R' represents various groups.Type: GrantFiled: January 19, 1990Date of Patent: February 16, 1993Assignee: BYK-Chemie GmbHInventors: Karl-Heinz Haubennestel, Alfred Bubat
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Patent number: 5177151Abstract: This invention relates to a comb-shaped graft copolymer, to a process for making the comb, and to a polymer blend made with the comb. The comb is made by a free radical polymerization of an ethylenically unsaturated monomer with a macromolecular monomer ("macromer" for brevity) of a haloalkylene oxide ("HAO" for brevity) homopolymer, random or block copolymer. The comb copolymer and blends of the comb with a polymer(s) may be cured. A comb with a terminal acrylyl or methacrylyl group or "head" and pendant polyether chains, which always include some HAO repeating units, may be made in an emulsion or suspension polymerization process which provides a comb having adequately high molecular weight so that the comb may be used in blends. The preferred comb of epichlorohydrin has a (meth)acrylyl head at one end, through which it (the macromer) is polymerizable, and a terminal hydroxyl (OH) group, or an end-capping group derived from the OH group at the other end.Type: GrantFiled: June 8, 1992Date of Patent: January 5, 1993Assignee: The B. F. Goodrich CompanyInventor: Simon H. Yu
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Patent number: 5171776Abstract: A crosslinked polymer composition obtained by the metathesis polymerization of a dicyclopentadiene monomer in which a chlorinated polymer such as a chlorinated elastomer or chlorinated polypropylene is dissolved; a crosslinked dicyclopentadiene polymer composition comprising a ring-opened dicyclopentadiene polymer and a dicyclopentadiene-soluble chlorinated polymer; and a method for preparing a crosslinked polymer composition comprising adding the chlorinated polymer to one of two reactant liquid streams, one of which contains dicyclopentadiene and a ring-opening metathesis catalyst and the other contains a catalyst activator, combining the two streams, and charging them to a mold or similar forming container in which the dicyclopentadiene polymerizes.Type: GrantFiled: June 19, 1991Date of Patent: December 15, 1992Assignee: Hercules IncorporatedInventor: Nitya P. Khasat
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Patent number: 5140070Abstract: Polymeric flame retardants comprise halogenated aromatic compounds having acylamino functional groups which are chemically bonded to cyclic imide-containing or imide-forming polymers or copolymers. The polymeric flame retardants are prepared by the reaction of halogenated aromatics containing a reactive hydrazido group with some or all of the anhydride groups of an cyclic alpha, beta-unsaturated dicarboxylic acid anhydride polymer or copolymer to form pendant halogenated-aromatic-substituted imide or amic acid groups. In addition, polymeric film retardants are used to render thermoplastic resins less flammable under conditions which promote combustion. Novel flame retardant hydrazides are disclosed.Type: GrantFiled: May 31, 1991Date of Patent: August 18, 1992Assignee: Elf Atochem North America, IncInventors: Ronald E. MacLeay, Terry N. Myers
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Patent number: 5081183Abstract: The present invention provides a poly(alpha-ketoester) compound represented by the formula (1); ##STR1## wherein G is a residue of an active hydrogen-containing compound G--(X--H).sub.n, or an alkyl, aryl, aralkyl, alkenyl, alkynyl group having 3 to 20 carbon atoms which may contain oxygen or nitrogen atoms, or a polymeric compound residue, X is an oxygen atom or --CH.sub.2, n is an integer of 3 to 1,000, R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group or an aryl group, and a production thereof.Type: GrantFiled: January 12, 1990Date of Patent: January 14, 1992Assignee: Nippon Paint Co., Ltd.Inventors: Aoki Kei, Takagawa Ryozo, Tomita Nobuaki, Mori Hirohiko
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Patent number: 5028662Abstract: A thermoplastic elastomer composition prepared by dynamically vulcanizing a composition comprised (A) polyolefin 5-50 wt. parts, (B) brominated butyl rubber 5-50 wt. parts, (C) polychloroprene rubber 5-50 wt. parts and (D) process oil 10-50 wt. parts in the presence of peroxide is disclosed.Type: GrantFiled: May 26, 1989Date of Patent: July 2, 1991Assignee: Advanced Elastomer Systems, L.P.Inventors: Eiji Sezaki, Masatoshi Isono, Masatoshi Akami, Hisafumi Endo
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Patent number: 4937291Abstract: Thermoplastic elastomer blends containing polyvinyl chloride having improved oil resistance and low compression set are made by blending a crosslinked nitrile rubber with a polyvinyl chloride-acrylate copolymer. The amount of nitrile rubber can vary over a wide range as from about 1 part to about 400 parts by weight for every 100 parts by weight of the polyvinyl chloride-acrylate copolymer. The polyvinyl chloride-acrylate copolymer has an inherent viscosity of from about 0.3 to about 4.0 and is made from a vinyl chloride monomer with an optional vinyl component comonomer and one or more acrylate monomers having the formula ##STR1## wherein R.sup.1 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.Type: GrantFiled: September 9, 1988Date of Patent: June 26, 1990Assignee: The B.F. Goodrich CompanyInventors: William S. Greenlee, Josef C. Vyvoda
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Patent number: 4935468Abstract: Thermoplastic elastomer blends containing polyvinyl chloride having improved oil resistance, exceptionally low compression set and softness are made by mixing a polyvinyl chloride-acrylate copolymer with effective amounts of cured acrylate elastomers. The polyvinyl chloride-acrylate copolymer has an inherent viscosity of from about 0.3 to about 4.0 and is made from a vinyl constituent which is a vinyl chloride monomer with an optional vinyl component comonomer and one or more acrylate monomers having the formula ##STR1## wherein R.sup.1 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.Type: GrantFiled: September 9, 1988Date of Patent: June 19, 1990Assignee: The B. F. Goodrich CompanyInventors: William S. Greenlee, Josef C. Vyvoda, Fred R. Wolf
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Patent number: 4904535Abstract: An adhesive having superior adhesive properties between metal/metal, metal/plastic or plastic/plastic and a bonding process therebetween are provided, which adhesive is composed mainly of a copolymer comprising the respective units of 50 to 95% by weight of vinyl chloride, 5 to 50% by weight of a vinyl carboxylate ester and 0.01 to 5% by weight of a phosphoric acid ester having a C--C double bond and copolymerizable with the foregoing vinyl monomers, and having an average degree of polymerization of 100 to 900, and which bonding process comprises dissolving the adhesive in an organic solvent, coating the solution onto substrates, drying the coated substrate and bonding the substrates onto each other on heating under pressure.Type: GrantFiled: March 11, 1988Date of Patent: February 27, 1990Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Rentaro Suzuki, Shinichiro Ikeda
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Patent number: 4882388Abstract: The present invention provides a rubber composition having a good balance among low temperature resistance, oil resistance, heat aging resistance, and mechanical strength characteristics. This rubber composition comprises a rubber component composed of an ethylenic copolymer rubber and an acrylic rubber, wherein the ethylenic copolymer rubber is a copolymer comprising (a) 50 to 85% by mole of ethylene, (b) 50 to 15% by mole of an acrylate and/or a methacrylate, and (c) 0.05 to 8% by mole, based on the total of said components (a) and (b), of a cross-linked point forming monomer; and the acrylic rubber contains at least 60% by mole of at least one monomer selected from among at least an alkyl acrylate, an alkyl methacrylate and an alkoxyalkyl acrylate.Type: GrantFiled: October 5, 1988Date of Patent: November 21, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Takashi Nakagawa, Sigelu Yagisita, Masahiro Fukuyama
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Patent number: 4871801Abstract: Thermoplastic polymers exhibiting improved physical properties and a method for preparing same are described. The method of preparing these polymer compositions comprises reacting a functionalized base polymer composition having pendant cyclic anhydride groups with a coreactive second moiety. Said functionalized base polymer comprises the reaction product of:I. a hydroxyl containing base polymer comprising the reaction product of:(a) a vinyl halide monomer; and(b) at least one other ethylenically unsaturated monomer having at least one pendant hydroxyl functional group; andII. a cyclic polyanhydride functionalizing agent.Type: GrantFiled: November 25, 1988Date of Patent: October 3, 1989Assignee: The B. F. Goodrich CompanyInventor: Zaev Sharaby
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Patent number: 4786680Abstract: A rubber composition for a tire tread, comprising natural rubber and/or polyisoprene rubber, a specific styrene-butadiene copolymer rubber, and halogenated butyl rubber.Type: GrantFiled: October 8, 1987Date of Patent: November 22, 1988Assignee: The Yokohama Rubber Co., Ltd.Inventors: Yukizi Suzuki, Yasushi Kikuchi
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Patent number: 4705828Abstract: Disclosed herein are a polypropylene resin composition comprising 100 parts by weight of propylene homopolymer showing a stereoregularity of a boiling heptane-insoluble part thereof of not less than 0.960 as an isotactic pentad rate obtained by .sup.13 C-NMR and 0.01 to 2 parts by weight of a hydrocarbon polymer having completely or partially saturated main hydrocarbon chain and at least one hydroxy group at an end of the main hydrocarbon chain, and a biaxially stretched film comprising the polypropylene resin composition.Type: GrantFiled: February 6, 1986Date of Patent: November 10, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Yoshio Matsumoto, Toshio Fujii, Yoshinao Shinohara, Kiyoshi Fukuda
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Patent number: 4699951Abstract: A polymer admixture comprising a first cationic polymer having a molecular weight between about 2,500-1,000,000 in admixture with a second cationic polymer having a molecular weight between about 1,000,000-50,000,000, wherein said admixture contains a weight ratio of first polymer to second polymer between about 50:1 to 1:50, has greatly improved properties for treating and clarifying waste waters contaminated with oily waste and dispersed solids. The first cationic polymer is preferably a homopolymer, and the second cationic polymer is preferably a copolymer of acrylamide containing the same cationic monomer used to synthesize the first cationic polymer.Type: GrantFiled: December 11, 1985Date of Patent: October 13, 1987Assignee: Nalco Chemical CompanyInventors: Stephan J. Allenson, Stephen D. Wagner
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Patent number: 4668731Abstract: Dispersion of polyacrylic acid in mineral spirits containing an elastomer that is swellable in mineral spirits, amount of elastomer being sufficient to render the dispersion less resistant to settling of solids.Type: GrantFiled: August 5, 1985Date of Patent: May 26, 1987Assignee: The B. F. Goodrich CompanyInventors: Robert Y. Lochhead, Thomas R. George, Jr., William L. Banks