Solid Polymer Derived From Halogen-containing Monomer Other Than Vinyl Or Vinylidene Chloride Patents (Class 524/519)
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Patent number: 5605952Abstract: A novel aqueous polymeric formulation is disclosed. Also disclosed are methods of making the polymeric formulation, and of using the polymeric formulation to produce a crosslinked polymeric surface coating on a substrate. One embodiment of the novel polymeric formulation comprises an aqueous carrier; at least one polymeric ingredient; a non-polymeric polyfunctional amine; and base. The one polymeric ingredient has both acid-functional and acetoacetoxy-type functional pendant moieties. The non-polymeric polyfunctional amine has at least two amine-functional moieties. The amount of base contained within the formulation is effective for inhibiting gellation, which would otherwise occur as a result of crosslinking between the acetoacetoxy-type functional and amine-functional moieties. Another embodiment of the novel polymeric formulation comprises at least two polymeric ingredients, one of which has acetoacetoxy-type functional pendant moieties and the other of which has acid-functional pendant moieties.Type: GrantFiled: June 6, 1995Date of Patent: February 25, 1997Assignee: S. C. Johnson & Son, Inc.Inventor: Richard J. Esser
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Patent number: 5597858Abstract: An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer a water soluble hydrophobically associating copolymer of diallyldimethylammonium chloride and a monomer selected from the group consisting of: ##STR1## and alkyl esters of acrylic acid, where R.sub.1 is either hydrogen or CH.sub.3 ; R.sub.2 and R.sub.3 are each an alkyl group having 1 to 3 carbon atoms; A.sub.1 is either an oxygen atom or NH; B.sub.1 is either an alkylene group having 2 to 4 carbon atoms or a hydroxypropylene group, Q is benzyl, or C.sub.6 -C.sub.20 alkyl, and X.sub.1.sup.- is an anionic counterion.Type: GrantFiled: March 22, 1995Date of Patent: January 28, 1997Assignee: Nalco Chemical CompanyInventors: Manian Ramesh, Jeffrey R. Cramm, Darrell L. Werges, Christopher P. Howland
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Patent number: 5548018Abstract: An aqueous primer composition comprising a copolymer wherein a cationic monomer, a specific alkoxysilane monomer, a silane macromonomer and an ethylenically unsaturated monomer are contained in aqueous medium. For this reason, regardless of the alkalinity of the substrate, the aqueous primer composition can form a highly water-resistant, alkali-resistant, tough film. Furthermore, compared with the prior art, a higher concentration and a lower viscosity, so that the resulting primer composition shows excellent penetration into the substrate at high concentration and provides for sufficient substrate-reinforcing and water-proofing effects. Moreover, when forming a film thereby and forming a finish layer thereon, this composition shows a high affinity for the top coating or adhesive to insure a firm integration of the finish layer with the substrate surface.Type: GrantFiled: May 19, 1995Date of Patent: August 20, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventor: Masao Maekawa
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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: 5491189Abstract: The adhesive strength of an aqueous binder dispersion consisting of: a halogenated copolymer which, in addition to other components, contains an alkylation-active monoalkenylaromatic alkyl halide; polyfunctional aromatic nitroso compounds; pigments; carbon black; anti-foaming agents; emulsifiers; and other additives, used for vulcanizing rubber onto substrates which are stable under the conditions of vulcanization, is improved, and the use of blocked isocyanates is avoided. This is achieved by adding, to increase the adhesive strength, homopolymers or copolymers of vinyl acetate that are also saponified to a certain extent, as well as, optionally, other customary additives.Type: GrantFiled: January 26, 1994Date of Patent: February 13, 1996Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hans Scheer, Wolf-Dieter Beiersdorf, Hans-Joachim Purps
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Patent number: 5484844Abstract: A vinyl chloride resin elastomer composition comprises 100 parts by weight of a resin mixture comprising from 50 to 95 parts by weight of a vinyl chloride resin and from 5 to 50 parts by weight of a chlorinated polyethylene; from 20 to 400 parts by weight of an acrylonitrile-butadiene rubber containing a tetrahydrofuran-insoluble crosslinking component; and from 10 to 300 parts by weight of a plasticizer.Type: GrantFiled: April 1, 1993Date of Patent: January 16, 1996Assignee: Mitsubishi Chemical MKV CompanyInventors: Masabumi Oshima, Masaji Yamamori
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Patent number: 5482991Abstract: Novel pressure-sensitive adhesives are described which show significant resistance to solvents and working fluids such as jet fuel, hydraulic fluid, de-icing fluid and the like. Adhesive compositions comprise nonaqueous dispersions of copolymers of acrylic monomers prepared in the presence of a vinyl-substituted fluoroalkyl siloxane having the general formula I and a macromonomeric stabilizer. The adhesives prepared from the adhesive compositions exhibit excellent adhesion to glass, aluminum, and low surface-energy materials such as fluoroalkyl siloxane elastomers.Type: GrantFiled: September 16, 1994Date of Patent: January 9, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Ramesh C. Kumar, Albert I. Everaerts, Yvan A. Bogaert
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Patent number: 5475051Abstract: Vulcanizable elastomeric compositions comprise a halobutyl rubber matrix, an adhesion-promoting amount of a epoxidized natural rubber and a reinforcing amount of a siliceous inorganic filler material; the vulcanizates produced therefrom are well suited, for example, as impermeable sealing layers/coatings for tire carcasses.Type: GrantFiled: June 27, 1994Date of Patent: December 12, 1995Assignee: Rhone-Poulenc ChimieInventor: Jean Machurat
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Patent number: 5470893Abstract: Powder coating composition, prepared by process comprising the steps of providing a primary film-forming component and one or more other, different, components selected from film-forming components and non-film-forming components, each said component consisting of solid particles and each particle of said primary film-forming component comprising a solid polymeric binder system at least a portion of which is a film-forming resin in an amount sufficient to impart film forming properties to the composition, the particles of said other, different, components containing at least one substance that, when processed into a coating with said primary film-forming component, provides with said primary film-forming component said desired appearance or performance attribute to said coating, provided that, if the agglomerate contains a metallic or luster component and a fluidizable film-forming component, it also contains an incompatible film-forming component or a non-film-forming performance component, or two or more suType: GrantFiled: January 29, 1993Date of Patent: November 28, 1995Assignee: Courtaulds Coatings (Holdings) LimitedInventors: John D. Sinclair-Day, Stephen P. Cassidy, John Ring, Andrew G. Cordiner
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Patent number: 5428099Abstract: Elastomers modified by amine groups, particularly diethanol amine, are used for controlling carbon black distribution in elastomer blends.Type: GrantFiled: May 19, 1993Date of Patent: June 27, 1995Assignee: Exxon Chemical Patents Inc.Inventors: Fred Morrar, Laszlo L. Ban, Walter G. Funk, Edward Kresge, Hsien-Chang Wang, Sudhin Datta, Robert C. Keller
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Patent number: 5409987Abstract: A flowable adhesive composition specifically adapted for use in securing rubber sheet material to a substrate surface includes at least one polychloroprene rubber polymer, at least one polymer or copolymer which is comprised primarily of one .or more monoolefins, and a suitable solvent for simultaneously dissolving the polychloroprene and monoolefin based rubbers to form a homogeneous composition which can be applied to the substrate surface and rubber sheet as by pouring, brushing, spraying, rolling, or similar operations.The composition comprises a blend containing at least one polychloroprene rubber and at least one monoolefin based polymeric elastomer. The rubber adhesive composition of the invention exhibits good initial bond strength and excellent resistance to creep, while simultaneously demonstrating the ability to retain good adhesive properties upon repeated exposure to moisture.Type: GrantFiled: February 3, 1994Date of Patent: April 25, 1995Assignee: Bridgestone/Firestone, Inc.Inventors: Joseph J. Kalwara, William B. Gorman, Chester T. Chmiel
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Patent number: 5356985Abstract: The present invention relates to aqueous emulsions of polymers which contain 80 to 100 weight % of acrylonitrile polymerized within them, to a method for their preparation, and to their use as raw materials for acrylic and modacrylic fibres and as dyeing additives for adjusting the dyestuff affinity of cationic dyestuffs for conventional acrylic and modacrylic polymers and fibre materials produced from them.Type: GrantFiled: September 20, 1993Date of Patent: October 18, 1994Assignee: Bayer AktiengesellschaftInventors: Gunter Sackmann, Siegfried Korte, Heinrich Alberts, Rolf-Volker Meyer
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Patent number: 5324758Abstract: A vibration damping material of asphalt cement comprising a) 60-90 parts by weight of asphalt cement: b) 10-30 parts by weight of thermoplastic rubber: and c) 0-20 parts by weight of tacky producer. A total sum of weight of a), b) and c) is 100 parts by weight. A penetration of the vibration damping material falls in a range of 35 to 140.Type: GrantFiled: November 30, 1992Date of Patent: June 28, 1994Assignees: Sohwa Shell Sekiyu Kabushiki Kaisha, Shimizu Construction Co., Ltd.Inventors: Masaaki Takahashi, Yasuo Soga, Kazuyoshi Iatagaki, Yutaka Fujita, Yutaka Nakamura
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Patent number: 5322901Abstract: The disclosure describes a resin and rubber composition with good heat-shrinkability characteristics. Also described is a resin and/or rubber composition having dispersed therein a metal compound used for heating the composition.Type: GrantFiled: October 25, 1991Date of Patent: June 21, 1994Assignee: Toyoda Gosei Co., Ltd.Inventor: Mitsuru Kato
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Patent number: 5314943Abstract: A low viscosity, fast-curing binder for textile substrates is produced by admixing an aqueous emulsion copolymer latex with an aqueous solution copolymer formed by the copolymerization of an olefinically unsaturated polycarboxylic acid and an olefinically unsaturated monocarboxylic acid. Viscosities in the range of about 2 cps at 25% total solids to about 1000 cps at 35% total solids are realized by using solution copolymers containing about 40%-75% by weight of polycarboxylic acid.Type: GrantFiled: November 30, 1990Date of Patent: May 24, 1994
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Patent number: 5298552Abstract: Predominantly water based adhesive compositions and primers comprising:A) 2 to 50 parts by weight of a solution in a non-ionic surface active agent of one or more chlorinated polyolefins;B) 50 to 98 parts by weight of a component selected from:1) an aqueous dispersion comprising from 35 to 65 part per hundred by weight of vinylacetate-ethylene copolymer and2) an aqueous solution comprising from 0.1 to 5% by weight of an anionic surface-active agent.Type: GrantFiled: March 24, 1992Date of Patent: March 29, 1994Assignee: Himont IncorporatedInventors: Angelo Borghi, Vincenzo Giannella
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Patent number: 5281651Abstract: This invention relates to a compatibilized rubber composition and a process for compatibilizing dissimilar rubber blends comprising blending an ethylene/acrylate/acrylic acid terpolymer with 2 or more different rubbers, selected from the group including, but not limited to, EPR, EPDM, CR, NBR, SBR and NR.Type: GrantFiled: January 29, 1992Date of Patent: January 25, 1994Assignee: Exxon Chemical Patents Inc.Inventors: Palanisamy Arjunan, Roma B. Kusznir
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Patent number: 5270381Abstract: A thermoplastic elastomer composition comprising, as the main blend components, 100 parts by weight of a crystalline chlorinated polyethylene with a chlorination degree of from 20 to 45% and a heat of crystal fusion of from 5 to 35 cal/g as measured by a DSC method and from 10 to 75 parts by weight of a plasticizer.Type: GrantFiled: May 8, 1992Date of Patent: December 14, 1993Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Masahiro Yamanaka, Kazuya Hori, Hiroyuki Mori, Naoki Ichikawa, Mizuo Washimi
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Patent number: 5268051Abstract: Novel, uncured tapes are provided comprising a raw polymer mixture of HDPE, LLDPE or isotactic polypropylene, chlorosulfonated polyethylene rubber, a small amount of a filler or pigment and, optionally, a minor proportion of chlorinated polyethylene rubber or an elastomeric polymer. They are self-bonding when elongated at least about 50% and wrapped on a substrate, and possess various degrees of flame resistance depending on their composition.Type: GrantFiled: November 9, 1988Date of Patent: December 7, 1993Assignee: Polysar Rubber CorporationInventors: Eric G. Kent, Kyosaku Sato
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Patent number: 5225483Abstract: A thermoplastic composition is provided which comprises a blend of a thermoplastic, such as a copolymer of styrene and maleic anhydride; polypropylene; a modified elastomeric component, such as EPM or EPDM, which has been modified with a specified functional monomer, such as a 2-substituted-5-norbornene, and an amine-modified maleic anhydride grafted polypropylene. The composition has improved properties.Type: GrantFiled: July 22, 1991Date of Patent: July 6, 1993Assignee: Exxon Chemical Patents Inc.Inventors: Sudhin Datta, Narayanaswami R. Dharmarajan, Jean M. Dekoninck, Donald A. White
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Patent number: 5200454Abstract: The present invention relates to a flame-retardant resin composition having halogen content of 2 to 40% by weight basing on the amount of said composition, which comprises(a) 100 parts by weight of a styrene-based polymer having mainly syndiotactic configuration, or a mixture of 99 to 50% by weight of said styrene-based polymer and 1 to 50% by weight of a thermoplastic resin (exclusive of tetrafluoroethylene-based polymer) and/or rubber;(b) 3 to 40 parts by weight of a flame retardant selected from the group consisting of halogenated polystyrenes and halogenated polyphenylene oxides and(c) 1 to 15 parts by weight of an auxiliary flame retardant, as main components.In addition, the present invention contains the above components (a), (b) and (c) as main components, and further contains(d) 0.003 to 10 parts by weight of tetrafluoroethylene-based polymer and/or(e) 1 to 300 parts by weight of an inorganic filler.Type: GrantFiled: April 10, 1990Date of Patent: April 6, 1993Assignee: Idemitsu Kosan Company LimitedInventor: Akikazu Nakano
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Patent number: 5196463Abstract: A method is disclosed for the vulcanization of acrylic gums having active halogen groups, comprising adding thereto a mixture of trithiocyanic acid, a metal salt of an aliphatic organic acid and a metal dialkyl dithiocarbamate and applying heat to the resulting mixture. The resultant vulcanizate does not require conventional oven post cure processing.Type: GrantFiled: February 7, 1991Date of Patent: March 23, 1993Assignee: Enichem Elastomeri S.r.l.Inventors: Eugene Chang, Robert Cody, Edward Mazzone
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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: 5140072Abstract: The subject invention provides a cured non-foamed composition consisting of (i) polychloroprene and (ii) 2-25% by weight of the polymer composition of a copolymer of ethylene and at least one alpha-beta unsaturated carboxylic acid (or ionomer) or ester thereof and a process for making the same.Type: GrantFiled: November 2, 1990Date of Patent: August 18, 1992Assignee: E. I. du Pont de Nemours and CompanyInventor: Tsuneichi Takeshita
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Patent number: 5137963Abstract: Non-formaldehyde emitting binders for nonwoven cellulosic materials comprise a solution copolymer of an olefinically unsaturated organic compound having at least one carboxylate group conjugated with the olefinic linkage, which is reacted with a hydroxyalkyl ester of an olefinically unsaturated carboxylic acid. The product of said reaction is admixed with a non-formaldehyde containing latex carrier to produce a binder composition which will reach substantially fully cured wet strength in 8 seconds or less.Type: GrantFiled: July 27, 1990Date of Patent: August 11, 1992Assignee: Union Oil Company of CaliforniaInventor: Dennis P. Stack
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Patent number: 5137960Abstract: A vinyl chloride based resin composition including (a) 100 parts by weight of at least one member of resin selected from; a vinyl chloride polymer or vinyl chloride based copolymer whose mean degree of polymerization is 500 to 1000; and a vinyl chloride based copolymer, of which an insoluble part in tetrahydrofuran is 1 to 50 parts by weight, a swelling value in tetrahydrofuran is at least 5.0 and a mean degree of polymerization of a soluble part in tetrahydrofuran is 500 to 1500, which is a copolymer of vinyl chloride monomers and monomers having at least 2 ethylenic double bonds in a molecule. The resin composition also includes (b) 1 to 30 parts by weight of a paste resin of a vinyl chloride polymer or vinyl chloride copolymer whose mean grain size is 2 .mu.m or less and mean degree of polymerization is 500 to 2000. The resin composition further includes (c) 30 to 200 parts by weight of a plasticizer and (d) 0.Type: GrantFiled: May 15, 1991Date of Patent: August 11, 1992Assignee: Shin-Etsu Chemical Co., LtdInventors: Osamu Matsumoto, Shoichi Yoshizawa
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Patent number: 5093388Abstract: A high friction brake shoe formulation having a high static friction coefficient in shear of about 1.5 and low adhesion to materials having microscopic pores therein in contact with said brake shoe formulation which comprises a mixture of about 75 phr of neoprene W rubber and about 25 phr of neoprene WHV rubber; a first curing system comprising about 1 phr of a fatty acid, about 5 phr of ZnO, and about 1-3 phr of MgO; and a second curing system comprising about 1.25 phr of sulfur and about 0.6 phr of a sulfur accelerator; together with about 50 phr of a reinforcing agent of N555 or N650 carbon black.Type: GrantFiled: March 28, 1989Date of Patent: March 3, 1992Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: John T. Siemon, Jr., Joseph F. Meier
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Patent number: 5086095Abstract: Weather-resistant polyacetal resin compositions and molded articles formed of the same include a polyacetal base resin, and a weather-resistant effective amount of a weather stabilizing package comprised of (i) a weather stabilizer that is at least one selected from the group consisting of benzotriazoles, benzophenones, aromatic benzoates, cyanoacrylates, oxalanilides and hindered amines (ii) a homopolymer or copolymer of acrylic or methacrylic acid, or ester derivatives thereof, and (iii) a fluororesin.Type: GrantFiled: October 15, 1990Date of Patent: February 4, 1992Assignee: Polyplastics Co., Ltd.Inventor: Toru Katsumata
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Patent number: 5082875Abstract: A sanitary rubber composition or article comprising a synthetic rubber prepared by solution polymerization and a fine powder of polyethylene having a molecular weight of 1.times.10.sup.6 to 1.times.10.sup.9 and having excellent chemical and physical properties is described.Type: GrantFiled: April 17, 1989Date of Patent: January 21, 1992Assignee: Kabushiki Kaisha Toritsu IndustryInventor: Masao Tajima
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Patent number: 5053450Abstract: Compositions of acrylic rubber and another rubber which can be nitrile rubber, hydrogenated nitrile rubber, fluoroelastomer, silicone rubber, or fluorosilicone rubber are described, in which the acrylic rubber is at least partially crosslinked. The compositions are millable and processable and, by the addition of curatives for the nitrile rubber, hydrogenated nitrile rubber, fluoroelastomer, silicone rubber, or fluorosilicone rubber, can be further crosslinked to become vulcanizates which exhibit excellent resistance to the effects of hot air, hot oil, and ozone.Type: GrantFiled: October 16, 1989Date of Patent: October 1, 1991Assignee: Monsanto CompanyInventor: Aubert Y. Coran
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Patent number: 5028655Abstract: Non-formaldehyde emitting binders for nonwoven cellulosic materials comprise a solution copolymer of an olefinically unsaturated organic compound having at least one carboxylate group conjugated with the olefinic linkage, which is reacted with a hydroxyalkyl ester of an olefinically unsaturated carboxylic acid. The product of said reaction is admixed with a non-formaldehyde containing latex carrier to produce a binder composition which will reach substantially fully cured wet strength in 8 seconds or less.Type: GrantFiled: December 15, 1987Date of Patent: July 2, 1991Assignee: Union Oil Company of CaliforniaInventor: Dennis P. Stack
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Patent number: 5028654Abstract: The invention seeks to improve the preheating resistance and high temperature resistance during vulcanization of a cement for the vulcanization of rubber onto metals. Such cements conventionally contain metal-binding polymers, dinitrosobenzene, organic solvents and, optionally, other components, such as acid-binding agents and reinforcing fillers. The goals of the invention are achieved by partial replacement of the usual metal-binding polymers by substituted aromatic compounds bearing two or more substituent groups having the formula --CH.sub.2 Br.Type: GrantFiled: April 6, 1989Date of Patent: July 2, 1991Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Willi Wuest, Wolf-Dieter Beiersdorf
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Patent number: 5008326Abstract: Non-formaldehyde emitting binders for nonwoven cellulosic materials comprise a solution copolymer of an olefinically unsaturated organic compound having at least one carboxylate group conjugated with the olefinic linkage, which is reacted with a hydroxyalkyl ester of an olefinically unsaturated carboxylic acid. The product of said reaction is admixed with a non-formaldehyde containing latex carrier to produce a binder composition which will reach substantially fully cured wet strength in 8 seconds or less.Type: GrantFiled: July 27, 1990Date of Patent: April 16, 1991Assignee: Union Oil Company of CaliforniaInventor: Dennis P. Stack
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Patent number: 5001171Abstract: It now has been found that uncured modified rubber compositions comprising mixtures of elastomers and a reinforcing filler can be prepared having improved properties.Type: GrantFiled: October 21, 1988Date of Patent: March 19, 1991Assignee: Bridgestone/Firestone, Inc.Inventors: Georg G. Bohm, Daniel F. Graves
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Patent number: 4994519Abstract: A heat-stable binder for use in the vulcanization of natural or synthetic rubber mixtures onto metallic or other substrates, comprising a mixture which is free from oxidizing agents that oxidize quinone dioxime and which contains chlorinated rubber, after-brominated dichloropolybutadiene, and quinone dioxime.Type: GrantFiled: February 9, 1988Date of Patent: February 19, 1991Assignee: Henkel Kommanditgesellschaft auf AktienInventor: Hans Scheer
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Patent number: 4988548Abstract: 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 consisting of acrylic rubbers, .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubbers and hydrides of .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubbers, said acrylic rubber consisting of (A) 30 to 99.9% by weight of an alkyl acrylate and/or an alkoxy-substituted alkyl acrylate, (B) 0.1 to 10% by weight of a crosslinkable monomer and (C) 0 to 70% by weight of another ethylenically unsaturated compound copolymerizable with (A) and (B) (the sum of (A), (B) and (C) is 100% by weight) and said .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubber consisting of (D) 10 to 60% by weight of an .alpha.,.beta.Type: GrantFiled: November 22, 1988Date of Patent: January 29, 1991Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Yasuhiko Takemura, Shinichiro Zen, Yoshiaki Zama, Hiroji Enyo
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Patent number: 4948834Abstract: Disclosed herein is an improved vinyl chloride latex copolymer composition having good color stability, characterized in that it contains a small but effective amount of an alpha-olefin to provide color stability of films of the composition.Type: GrantFiled: March 27, 1989Date of Patent: August 14, 1990Assignee: PPG Industries, Inc.Inventors: John A. Baker, Rudolf Maska, James R. Bodwell, Suryya K. Das, Jerome A. Seiner, Terence J. Hart
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Patent number: 4946711Abstract: A method, and aqueous emulsion, for coating a metal part with a peelable mask that is resistant to attack by the strong acid and strong base etchants used in chemical milling are disclosed. The method comprises contacting a polyvalent metal cation salt-surfaced part with an anionic emulsion for a time period effective to coat the part. The anionic emulsion includes coalescent rubbery particles and pigment and has a total solids content of at least about 10 weight percent. The weight ratio of pigment to rubbery particles is about 0.1:1 to about 2:1, respectively.Type: GrantFiled: December 16, 1988Date of Patent: August 7, 1990Assignee: DeSoto, Inc.Inventors: Fred D. Hawker, Victor E. Pietryga, Robert W. Byrd, James Wichmann, Patricia A. Nicpon
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Patent number: 4945126Abstract: 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 about 1 to 30 weight percent of the novel lubricant or lubricant blend have greatly improved friction and wear properties, including lower coefficients of friction and increased surface wear resistence. The polyolefin does not remain as discrete, identifiable particles after mixing with the polymer matrix, and has an average molecular weight of less than 500,000.Type: GrantFiled: February 2, 1987Date of Patent: July 31, 1990Assignee: ICI Americas Inc.Inventors: Jane M. Crosby, John E. Theberge
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Patent number: 4871796Abstract: A method of producing compounds in which the rubber phase contains a polyolefin and a halobutyl rubber, which is partially crosslinked, to which composition is then added additional polyolefin and a vulcanizable olefinic rubber, which is then further crosslinked using organic peroxides, and then blended with a styrenic rubber. The TPE compounds incorporate (A) polypropylene 10-90 weight parts (wt. pts.), (B) halobutyl rubber 90-10 wt. pts. (where (A)+(B)=100), (C) an olefinic rubber 10-120 wt. pts., (D) mineral oil softener 5-120 wt. pts., which are then treated thermally in the presence of (E) MOx and/or MCl, to which composition of 100 weight parts is added (F) polyolefin 100-600 wt. pts., and (G) a vulcanizable olefinic rubber 50-500 wt. pts. The resulting blend is then thermally treated with (H) organic peroxide(s), to which blend of 100 wt. pts. is then added and uniformly dispersed (I) 5-150 wt. pts. of styrenic rubber.Type: GrantFiled: November 2, 1987Date of Patent: October 3, 1989Inventors: Masato Komatsu, Isao Baba, Noboru Yamamoto
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Patent number: 4870112Abstract: A foamable, gelable and heat-vulcanizable composition for the manufacture of latex foam having, e.g., the following properties:(a) the indentation hardness must be sufficiently high;(b) the pore structure is to be uniformly fine for an adequate layer thickness,comprises a mixture of a rubber latex and a filler/rubber powder, a vulcanizing agent and conventional additives.The latex foams according to the invention are excellently suited as vibration damping materials, the mass to volume ratio and correspondingly the hardness being adjustable depending on the intended use to a high or low value.Type: GrantFiled: May 15, 1987Date of Patent: September 26, 1989Assignee: Huels AktiengesellschaftInventors: Herbert Knipp, Wolfgang Schulz
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Patent number: 4857571Abstract: Prevulcanization of elastomer is inhibited by incorporation into the elastomer to be vulcanized, a minor amount of certain methyl substituted-aminoalkyl phenols as inhibitors or scorch retarders, and at least one of a polyfunctional (meth)acrylic monomer, allylic compound, or metal salt of unsaturated monocarboxylic acids which provides improved technical advantages as a reactive coagent in the cross-linking of such elastomeric compositions.Type: GrantFiled: September 1, 1988Date of Patent: August 15, 1989Assignee: Sartomer Company, Inc.Inventors: Ralph H. Reiter, C. Raymond Ekwall
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Patent number: 4851462Abstract: A solvent based contact adhesive suitable for bonding cured EPDM membranes is disclosed. The adhesive includes a crosslinked halogenated butyl rubber, a low molecular weight, high softening point, thermoplastic aliphatic-type-based hydrocarbon resin and at least one organic solvent employed as a dispersion medium for the crosslinked halogenated butyl rubber and the resin. The disclosed adhesive exhibits superior heat aging and hot water immersion properties which are significant characteristics in roof applications.Type: GrantFiled: January 21, 1988Date of Patent: July 25, 1989Assignee: Uniroyal Plastics Company, Inc.Inventors: Chester T. Chmiel, David A. Young
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Patent number: 4851468Abstract: Soft, resilient thermoplastic compositions with good physical strength useful as molded parts including hoses, seals and gaskets which exhibit good flow and good surface characteristics in injection molded parts. The compositions comprise ethylene copolymer resin (e.g., ethylene vinyl acetate), halogenated butyl rubber and polychloroprene wherein the rubbers have been dynamically vulcanized to a fully cured state in the presence of the ethylene copolymer resin.Type: GrantFiled: February 23, 1988Date of Patent: July 25, 1989Assignee: Exxon Research & Engineering CompanyInventors: Donald Hazelton, Robert C. Puydak
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Patent number: 4843130Abstract: An antibacterial polymer containing a repeating unit of the formula ##STR1## wherein A, l and n are defined in the specification.Type: GrantFiled: April 11, 1988Date of Patent: June 27, 1989Assignee: Otsuka Kagaku Kabushiki KaishaInventors: Hiroki Kourai, Yoshio Yabuhara
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Patent number: 4833191Abstract: A process for preparing a predispersed fiber composition useful for dispersing discontinuous fibers into a rubber or plastic polymer compound is disclosed which comprises mixing at least about 15 percent by weight of a pourable binder composition with up to about 85 percent by weight of discontinuous fibers at a temperature of from about 40.degree. C. to about 150.degree. C. until a homogeneous predispersed fiber composition is obtained. The binder composition comprises from about 50 to 100 percent by weight of a rubber or plastic polymer, from 0 to about 50 perecnt by weight of a plasticizer or peptizer for the polymer, and from 0 to about 45 percent by weight of critical chemical additives, and is pourable at ambient tmeperature or becomes pourable upon being heated to a temperature of up to about 135.degree. C. and has a Brookfield viscosity of less than about 1,300,000 centipoises at the temperature at which it is pourable.Type: GrantFiled: October 6, 1987Date of Patent: May 23, 1989Assignee: Wyrough & LoserInventors: Kenneth C. Bushway, Thomas N. Loser
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Patent number: 4826924Abstract: An antibacterial polymer containing a repeating unit of the formula ##STR1## wherein A, l and n are defined in the specification.Type: GrantFiled: August 12, 1988Date of Patent: May 2, 1989Assignee: Otsuka Kagaku Kabushiki KaishaInventors: Hiroki Kourai, Yoshio Yabuhara
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Patent number: 4822834Abstract: Viscoelastic constrained layer vibration damping composition having a shear storage modulus of 500.+-.100 psi consisting essentially of about 100 parts by weight of a butyl rubber having a glass transitional point temperature of -50 degrees F..+-.15 degrees, 100 parts by weight of a nitrile rubber having a glass transitional point temperature of 60 degrees F..+-.15 degrees, 50 parts by weight of a thermoplastic polymer having a glass transitional point temperature of 130 degrees F..+-.15 degrees, 45 parts by weight of a plasticizer, and 50 parts by weight of a powdered filler.Type: GrantFiled: April 19, 1988Date of Patent: April 18, 1989Assignee: The United States of America as represented by the Secretary of the Air ForceInventor: Creed E. Blevins
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Patent number: 4822845Abstract: It now has been found that uncured rubber composition comprising rubbers having an unsaturated carbon chain and at least one carbon black can be improved by including therein, a minor property-improving amount of at least one aromatic heterocyclic di-N-oxide compound of the partial formula ##STR1## wherein the depicted carbon atoms are part of an optionally substituted aromatic ring, and R.sup.1 and R.sup.2 are each independently hydrogen, hydrocarbyl, halohydrocarbyl, hydrocarbyloxy, hydrocarbyl sulfonyl, hydrocarbyl thio, hydrocarbylsulfoxidyl, halogen, amino,--CN--OH--CHO--CH(O hydrocarbyl)2--C(O)R.sup.3--C(O)OR.sup.3--C(N--OH)R.sup.3--C(O)NR.sup.3 R.sup.6--CH.dbd.N--NH--C(O)OR.sup.3--CH.sub.2 OC(O)CH.sub.3--R.sup.4 YR.sup.3--C(O)NHR.sup.4 OH--C(NH)NR.sup.7 R.sup.8,or--C(O)NHN(R.sup.3).sub.2wherein each R.sup.3 is independently hydrogen or a hydrocarbyl group, R.sup.4 is a divalent hydrocarbyl group, R.sup.6 is hydrogen, hydrocarbyl, --R.sup.4 OR.sup.3, or --R.sup.4 COOR.sup.3 ; R.sup.Type: GrantFiled: April 13, 1987Date of Patent: April 18, 1989Assignee: The Firestone Tire & Rubber & CompanyInventors: Daniel F. Graves, Hans-Wilhelm Engels
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Patent number: 4822654Abstract: 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 consisting of acrylic rubbers, .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubbers and hydrides of .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubbers, said acrylic rubber consisting of (A) 30 to 99.9% by weight of an alkyl acrylate and/or an alkoxy-substituted alkyl acrylate, (B) 0.1 to 10% by weight of a crosslinkable monomer and (C) 0 to 70% by weight of another ethylenically unsaturated compound copolymerizable with (A) and (B) (the sum of (A), (B) and (C) is 100% by weight) and said .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubber consisting of (D) 10 to 60% by weight of an .alpha.,.beta.Type: GrantFiled: March 10, 1988Date of Patent: April 18, 1989Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Yasuhiko Takemura, Shinichiro Zen, Yoshiaki Zama, Hiroji Enyo