Solid Polymer From Ethylenic Reactants Only Is Derived From Heterocyclic Reactant Patents (Class 525/103)
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Patent number: 5532320Abstract: A nonlinear optical interpenetrating polymer network which can exhibit nonlinear optical properties includes a first polymer, and a second polymer interpenetrating the first polymer. At least one of the polymers includes a nonlinear optical component. A method of forming a nonlinear optical interpenetrating polymer network which can exhibit nonlinear optical properties includes combining a first prepolymer, which can react to form a first polymer, with at least one monomer which can react to form a second polymer. At least one of either the first prepolymer or the monomer include a nonlinear optical component. The nonlinear optical component is poled and the first prepolymer and the monomer, or monomers, of the second prepolymer are reacted while the nonlinear optical component is being poled.Type: GrantFiled: December 21, 1994Date of Patent: July 2, 1996Assignee: University of Massachusetts LowellInventors: Sukant K. Tripathy, Ru-Jong Jeng, Jayant Kumar, Sutiyao Marturunkakul, Jeng-I Chen
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Patent number: 5530063Abstract: A room temperature curable organopolysiloxane composition comprising:(A) an organopolysiloxane blocked by a silanol group or hydrolyzable silyl group at a terminal end of molecular chain thereof;(B) a polymer of a monomer having an ethylenically unsaturated double bond;(C) an epoxy compound;(D) a curing agent for the component (C); and(E) a curing catalyst for the component (A). The composition exhibits extremely higher adhesive properties for adhesion to various adherends, as compared to those conventional compositions which comprise an adhesion-imparting agent such as silane coupling agents or the like.Type: GrantFiled: June 15, 1994Date of Patent: June 25, 1996Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kazukiyo Nagai, Tsuneo Kimura, Masatoshi Arai
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Patent number: 5516832Abstract: The present invention relates to a peroxide-curable silicone rubber composition which, when cured, exhibits a reduced modulus and improved tear strength relative to prior art systems without sacrificing other desirable properties, such as high tensile strength of the cured rubber or storage stability of the uncured rubber base, said composition comprising:(A) 100 parts by weight of a diorganopolysiloxane gum;(B) 10 to 75 parts by weight a reinforcing filler;(C) a polybutylene oligomer having a number average molecular weight of 200 to less than 900 and having functionality selected from the group consisting of epoxy, alkoxyphenylene, hydroxyl, carboxyl, anhydride and fully saturated; and, optionally,(D) a hydroxy-terminated diorganopolysiloxane having a degree of polymerization of 2 to 50.Type: GrantFiled: November 3, 1994Date of Patent: May 14, 1996Assignee: Dow Corning CorporationInventors: Linda D. Kennan, Thomas M. Gentle, Dale E. Hauenstein, Paul J. Popa
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Patent number: 5492968Abstract: A resin composition comprising a) a high molecular weight compound containing an average of 2 or more hydroxyl groups and an average of 2 or more epoxy groups per molecule and having a number average molecular weight of 3,000 to 200,000; b) a silane compound having an average of 1 or more alkoxysilane, silanol and acyloxysilane groups per molecule and having a number average molecular weight of 104 to 200,000; and c) a metal chelate compound, is curable at a relatively low temperature to yield a film having excellent resistance to weathering.Type: GrantFiled: November 3, 1994Date of Patent: February 20, 1996Assignee: Kansai Paint Company LimitedInventors: Noboru Nakai, Osamu Isozaki, Naozumi Iwasawa
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Patent number: 5492945Abstract: There is disclosed a process comprising(I) preparing a water-based dispersion of(A) a cured silicone powder having an average particle diameter of 0.1 to 200 micrometers and(B) an amorphous silica micropowder that has an average particle diameter not exceeding 1 micrometer and a surface silanol group density of at least 2 silanol groups per 100 square angstroms;(II) heating said water-based dispersion; and(III) removing the water from said dispersion, thereby producing a cured silicone rubber composition wherein the silica micropowder is immobilized on the surface of the cured silicone powder.Type: GrantFiled: September 28, 1994Date of Patent: February 20, 1996Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Yoshitsugu Morita, Atsushi Sasaki, Noriyasu Yokoyama
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Patent number: 5484847Abstract: Moisture-curable, melt-processible, graft copolymers are obtained by reacting certain direct ethylene copolymers having copolymerized therein a glycidyl containing comonomer, with a specific aminosilane, N-tert-butylaminopropyl trimethoxysilane. The compositions are useful as hot-melt moisture-curable adhesives, as co-extrudable adhesives, and in wire and cable and several other applications.Type: GrantFiled: January 26, 1995Date of Patent: January 16, 1996Assignee: E. I. Du Pont de Nemours and CompanyInventor: George W. Prejean
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Patent number: 5464901Abstract: A curable resin composition comprises (A) a silicone resin having epoxy and phenyl groups and at least two hydrolyzable silyl groups and/or silanol groups in one molecule, (B) a vinyl polymer having a group or groups reactive with the epoxy group in the ingredient (A), and (C) a condensation catalyst for the silicone resin.Type: GrantFiled: March 18, 1994Date of Patent: November 7, 1995Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yuji Yoshikawa, Mitsuhiro Takarada
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Patent number: 5462770Abstract: The present invention provides a low viscosity curable resin composition and coating composition containing the same which has a decreased solvent content. The coating composition provides a cured film having not only excellent acid resistance but also good weather resistance and mar resistance without an adverse effect to the environment. The curable resin composition comprises (a) a hydroxyl and carboxyl group containing silicone polymer, (b) a carboxyl and carboxylate group containing polymer, and (c) a hydroxyl and epoxy group containing polymer.Type: GrantFiled: March 7, 1995Date of Patent: October 31, 1995Assignee: Nippon Paint Co., Ltd.Inventors: Seigo Miyazoe, Tsuneyoshi Hisai, Akira Fushimi, Kazuhiko Takeoka, Yoshitaka Okude, Takeo Kurauchi
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Patent number: 5432233Abstract: The present invention provides a low viscosity curable resin composition and coating composition containing the same which has a decreased solvent content. The coating composition provides a cured film having not only excellent acid resistance but also good weather resistance and mar resistance without an adverse effect to the environment. The curable resin composition comprises (a) a hydroxyl and carboxyl group containing silicone polymer, (b) a carboxyl and carboxylate group containing polymer, and (c) a hydroxyl and epoxy group containing polymer.Type: GrantFiled: September 9, 1993Date of Patent: July 11, 1995Assignee: Nippon Paint Co., Ltd.Inventors: Seigo Miyazoe, Tsuneyoshi Hisai, Akira Fushimi, Kazuhiko Takeoka, Yoshitaka Okude, Takeo Kurauchi
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Patent number: 5427860Abstract: Described are preferred methods for promoting interfacial bonding between surfaces containing oxide, hydrous oxide or hydroxyl groups. The methods involve attaching silane coupling agents to the opposed surfaces and, in turn, bonding the opposed silane coupling agents to each other to thereby promote interfacial bonding between the surfaces. Also described are preferred compositions for promoting such interfacial bonding.Type: GrantFiled: October 7, 1992Date of Patent: June 27, 1995Inventors: Martel Zeldin, Wilmer K. Fife
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Patent number: 5425947Abstract: The specification describes and claims a moisture curable composition comprising hydroxypolysiloxane, silane curing agent, finely divided filler (preferably calcium carbonate), catalyst, and as rheological additive, a polymer having on its polymer chain at least one carboxylic acid anhydride group. Preferred rheological additives are polybutadiene polymers treated with e.g. maleic acid anhydride. These products have improved rheology for sealant use.Type: GrantFiled: November 19, 1992Date of Patent: June 20, 1995Assignee: Dow Corning S.A.Inventors: Jean-Paul Hautekeer, Patrick Leempoel
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Patent number: 5399612Abstract: Novel polymeric compositions are disclosed. The polymeric compositions, in particular, are either soluble or readily dispersible in water. Such polymeric compositions can be characterized as polymeric blends containing at least one acid-functional vinyl polymer and at least one amino-functional siloxane polymer. The novel polymeric blends further include volatile aqueous media comprising water and base in an amount that is effective for preventing the acid-functional moieties of the vinyl polymer from chemically reacting with the amino-functional moieties of the siloxane polymer. Such compositions or "blends", in general, comprise 60-99.9 parts-by-weight of the acid-functional vinyl polymer and 0.1-40 parts-by-weight of the amino-functional siloxane polymer, based upon total weight of the blended polymeric composition. Also disclosed are methods of producing the blended polymeric composition.Type: GrantFiled: March 23, 1993Date of Patent: March 21, 1995Assignee: S. C. Johnson & Son, Inc.Inventor: Glenn C. Calhoun
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Patent number: 5389728Abstract: Moisture-curable, melt-processible, graft copolymers are obtained by reacting certain direct ethylene copolymers having copolymerized therein a glycidyl containing comonomer, with a specific aminosilane, N-tert-butylaminopropyl trimethoxysilane. The compositions are useful as hot-melt moisture-curable adhesives, as co-extrudable adhesives, and in wire and cable and several other applications.Type: GrantFiled: June 1, 1994Date of Patent: February 14, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventor: George W. Prejean
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Patent number: 5387646Abstract: The invention provides:1) a fluorine-containing resin composition including:a) a fluorine-containing resin having (i) a hydrolyzable group attached directly to a silicon atom and/or a silanol group and (ii) an epoxy group in the molecule, orb) a mixture of a component (I) having a hydrolyzable group attached directly to a silicon atom and/or a silanol group and a component (II) having an epoxy group, such that at least one of the components (I) and (II) is a fluorine-containing resin;2) a curable composition including the resin composition and a metal chelate compound; and3) a coating composition including this resin composition or this curable composition.Type: GrantFiled: April 7, 1993Date of Patent: February 7, 1995Assignee: Kansai Paint Company, LimitedInventors: Akimasa Nakahata, Nobushige Numa, Masahiro Yamane, Osamu Isozaki, Noboru Nakai
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Patent number: 5378746Abstract: The present invention relates to an encapsulated glazing, a priming composition for treating a glazing, and a process for the adhesion of a thermoplastic profile to a glazing. The process consists of treating at least the area of the glazing to be covered with the profile with an organosilane and a composition based on a chlorinated polyolefin, the average molecular weight of which is between 1,000 and 300,000 (as determined by gel permeation chromatography), followed by encapsulating the treated glazing with a thermoplastic material, in order to form the profile. Preferably, the encapsulating step is performed by injecting.Type: GrantFiled: May 14, 1993Date of Patent: January 3, 1995Assignee: Saint Gobain Vitrage InternationalInventors: Andre Beyrle, Ann L'Her
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Patent number: 5360869Abstract: A process for making a fluorinated copolymer is disclosed. The process comprises polymerizing a monomer to form a polymer and then terminating the polymerization by adding a perfluorinated alkyl chlorosilane to the polymer. The perfluorinated alkyl chlorosilane reacts with the polymer to form a copolymer having a fluorinated terminal portion thereon.Type: GrantFiled: November 5, 1992Date of Patent: November 1, 1994Assignee: University of North Carolina at Chapel HillInventors: Joseph M. DeSimone, Michael O. Hunt, Jr.
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Patent number: 5350803Abstract: Moisture-curable melt-processible adhesives are obtained by reacting certain ethylene copolymers containing an alkyl acrylate and a carefully limited amount of a carboxylic acid with a stoichiometric amount of an epoxy-silane. A process of preparing the moisture-curable melt-processible adhesives in the absence of solvent is also available.Type: GrantFiled: March 31, 1993Date of Patent: September 27, 1994Assignee: E. I. Du Pont de Nemours and CompanyInventor: George W. Prejean
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Patent number: 5326818Abstract: Polymeric stabilizers with a polysiloxanic structure contain sterically hindered phenol groups and reactive groups capable of binding themselves to the polymeric structure to be stabilized. These polymeric stabilizers are particularly suitable for applications which require the non-extractability of additives due to solvents, fats or soaps.Type: GrantFiled: December 2, 1993Date of Patent: July 5, 1994Assignee: Eni Chem Synthesis S.p.A.Inventors: Luciano Pallini, Daniele Fabbri, Rossella Farris, Carlo Neri
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Patent number: 5324779Abstract: Crosslinkable compositions with a polyethylene base are described which comprise a major proportion, for example 65 to 95% by weight, of at least one polymer selected from the polyethylenes grafted by a silane and ethylene-triethoxyvinylsilane copolymers; a minor proportion, for example, from 5 to 35% by weight, of at least one polymer selected from the hydrophilic polymers which are incompatible with ethylene polymers; as well as, added to the total weight of polymers (a) and (b), a small proportion, for example, from 1 to 10% by weight, of at least one polymer selected from the copolymers and the terpolymers with an ethylene base to react chemically with said incompatible hydrophilic polymer; and a catalytic proportion, for example of 0.001 to 0.3% by weight, of at least one hydrolytic catalyst. These crosslinkable compositions can be shaped by extrusion, extrusion blow-molding or injection molding and then crosslinked by heating in the presence of water.Type: GrantFiled: October 21, 1991Date of Patent: June 28, 1994Assignee: Institut Francais Du PetroleInventors: Jacques Jarrin, Gaetan Serpe, Francois Dawans
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Patent number: 5322892Abstract: A melt process for forming fibers from blends of polymers containing a high percentage of vinyl alcohol units with terpolymers of alkyl methacrylates, unsaturated acids, anhydrides or glycidyl-containing esters, and N-vinyllactams or N-vinylamides is described.Type: GrantFiled: November 25, 1992Date of Patent: June 21, 1994Assignee: Rohm and Haas CompanyInventors: Edward E. LaFleur, Robert M. Amici, William J. Work
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Patent number: 5210150Abstract: Moisture-curable melt-processible adhesives are obtained by reacting certain ethylene copolymers containing an n-alkyl acrylate and a carefully limited amount of a carboxylic acid with a stoichiometric amount of an epoxy-silane. A process of preparing the moisture-curable melt-processible adhesives in the absence of solvent is also available.Type: GrantFiled: November 22, 1991Date of Patent: May 11, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: George W. Prejean
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Patent number: 5208289Abstract: This invention discloses a curing resin composition comprising (a) an organic resin containing no less than 2 alkenyl groups per molecule, and having a number average molecular weight of 500-100,000. (b) an organohydrogen-polysiloxane containing no less than 2 Si--H bonds per molecule, and (c) a platinum catalyst. It is desired that the organic resin of component (a) is at least one type chosen from acrylic, polyester and epoxy. The preferable amount of component (b) is such that there are 0.8-4 hydrogen atoms bonded to silicon atoms per alkenyl group of component (a).Type: GrantFiled: March 27, 1991Date of Patent: May 4, 1993Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Mitsuhiro Takarada, Yuji Yoshikawa, Kenji Yamamoto, Hiroharu Ohsugi, Atsushi Ohgaki, Ryozo Takagawa
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Patent number: 5202190Abstract: A method of preparing vinyl-silicone copolymers which involves the use of a mercapto-functional silicone compound as a macromolecular chain transfer agent. Release coatings and low adhesion backsizes comprising the vinyl-silicone copolymers.Type: GrantFiled: March 18, 1992Date of Patent: April 13, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Steven S. Kantner, Ramesh C. Kumar, Gilbert L. Eian
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Patent number: 5200461Abstract: Disclosed is a micro gel particle having an anionic charge for which it is electrodepositable by itself. The present invention provides a process for preparing an anionic micro gel particle dispersion comprising:emulsifying in an aqueous medium a resin composition comprising(A) 100 parts by weight of an anionic film-forming aqueous resin, and(B) 10 to 250 parts by weight of a thermosetting crosslinking agent which is self-crosslinked or crosslinked with said aqueous resin (A) in terms of condensation or addition reactionexcepting the combination of an acrylic resin and an alcoxylated methylol melamine; parts by weight being based on the solid content of the resin composition, andheating the resultant emulsion to above a crosslinkable temperature of said crosslinking agent (B).Type: GrantFiled: July 5, 1990Date of Patent: April 6, 1993Assignee: Nippon Paint Co., Ltd.Inventors: Yasuyuki Tsuchiya, Kenshiro Tobinaga
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Patent number: 5194501Abstract: A pressure-sensitive adhesive that can adhere aggressively to both polar and nonpolar substrates and has good internal strength at high temperatures is provided by heat or radiation curing a blend of an ethylenically-unsaturated .alpha.-olefin polymer, a crosslinker having at least 2 hydrosilyl groups, and a hydrosilation catalyst. A preferred hydrosilane crosslinker has the formula ##STR1## wherein R is an alkyl group having 1-6 carbon atoms, and n' is a number in the range of 2 to 35.Type: GrantFiled: October 30, 1990Date of Patent: March 16, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Gaddam N. Babu, Larry D. Boardman
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Patent number: 5191019Abstract: Method for production of a thermostable crosslinked halogen-containing polymer. Expoxygroups are added by way of a monomer as for example glycidylmethacrylate. The crosslinking of the polymer is carried out through an organic silane which can be hydrolyzed. By this method the crosslinking can be separated from the processing of the polymer as it is catalyzed by moisture after the processing is carried out. The crosslinking reaction is carried out very fast. Good thermostability is gained even if the halogen-containing monomer is vinylchloride.Type: GrantFiled: October 8, 1991Date of Patent: March 2, 1993Assignee: Norsk Hydro A.S.Inventors: Roger Dahl, Steinar Pedersen, Jaan Roots, Keith Redford
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Patent number: 5189097Abstract: Polymers containing a high percentage of vinyl alcohol units may be blended with copolymers of alkyl methacrylates and N-vinyllactams or N-vinylamides and processed into sheet, film, fiber and other objects which exhibit an useful balance of barrier and strength properties.Type: GrantFiled: October 22, 1991Date of Patent: February 23, 1993Assignee: Rohm and Haas CompanyInventors: Edward E. LaFleur, Robert M. Amici, William J. Work
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Patent number: 5154962Abstract: Pressure-sensitive adhesive tape having low adhesion backsizes and release coatings that can be written on with solvent and water-based inks, the indicia remaining firmly bonded and resisting smearing. The coatings comprise copolymers of (A) free radically polymerizable vinyl monomer, (B) polar monomer in sufficient amount to impart a hydrated Tg of -15.degree. C. to 35.degree. C. and a difference of at least 20.degree. C. between the hydrated and actual Tgs, and (C) siloxane-based polymer of a type and in an amount that will impart a satisfactory release value.Type: GrantFiled: September 13, 1991Date of Patent: October 13, 1992Assignee: Minnesota Mining and Manufacturing CompanyInventors: Timothy A. Mertens, Steven S. Kantner, Kurt C. Melancon
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Patent number: 5115023Abstract: Siloxane organic hybrid polymers and a method of making them by condensation polymerization reaction of organoalkoxysilane in the presence of organic film-forming polymers are disclosed.Type: GrantFiled: November 5, 1990Date of Patent: May 19, 1992Assignee: PPG Industries, Inc.Inventors: John D. Basil, Chia-Cheng Lin, Robert M. Hunia
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Patent number: 5063114Abstract: A coated material obtained by applying a coat containing a metallic powder and/or a coloring pigment to a substrate and further applying a topcoat clear coating thereon, wherein said topcoat clear coating is a heat-hardening coat which contains a composition comprising a hydroxyl group-containing resin, a hydrolyzable silyl group-containing polymer and a hardening catalyst as the main component. This coated material is excellent in, for example, appearance, acid resistance, staining resistance, adhesiveness and hardness.Type: GrantFiled: April 6, 1990Date of Patent: November 5, 1991Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Toshiro Nambu, Hirotoshi Kawaguchi, Hisao Furukawa, Yasushi Kato
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Patent number: 5023298Abstract: Disclosed is a curable composition which is superior in chemical resistance and weather resistance and appearance by the use of oxazolidine compounds, comprising (A) a compound having a carboxylic anhydride group, (B) an oxazolidine compound and (C) a polymer containing an alkoxysilyl group. An epoxy compound (D) may be added to the composition.Type: GrantFiled: December 27, 1989Date of Patent: June 11, 1991Assignee: Nippon Paint Co., Ltd.Inventors: Hiroshi Miwa, Yoshitaka Okude, Masakazu Watanabe, Sakuichi Konishi
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Patent number: 5010137Abstract: A rubber composition obtained by compounding (B) from 0.005 to 50 parts by weight of an polyorganohydrogensiloxane and (C) from 0.00001 to 1 part by weight of a compound of a transition metal belonging to the group VIII with (A) 100 parts by weight of a rubber-forming polymer mainly comprising (I) from 3 to 70% by weight of a polyorganosiloxane represented by the formula: ##EQU1## wherein R represents a substituted or unsubstituted monovalent organic group, 0.02 to 10 mole % of which being a vinyl group; and a represents a number of from 1.900 to 2.004,and having a degree of polymerization of from 500 to 10,000 and (II) from 30 to 97% by weight of organic rubber, and subjecting the resulting compound to hydrosilylation while effecting shear deformation. The rubber composition is excellent in roll processing properties, mechanical strength, heat resistance, and low-temperature property and is suitable as oil seal and rubber hose.Type: GrantFiled: February 16, 1988Date of Patent: April 23, 1991Assignees: Japan Synthetic Rubber Co., Ltd., Toshiba Silicone Co., Ltd.Inventors: Itsuki Umeda, Masaaki Takashima, Yoshiaki Zama, Yasuhiko Takemura, Yuichi Funabashi, Junichiro Watanabe, Kiyoshi Takeda, Makoto Matsumoto
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Patent number: 4981909Abstract: Plasma-resistant polymeric materials are prepared by reacting a polymeric material containing reactive hydrogen functional groups with a multifunctional organometallic material containing at least two functional groups which are reactive with the reactive hydrogen functional groups of the polymeric material, such as hexamethylcyclotrisilazane.Type: GrantFiled: September 7, 1988Date of Patent: January 1, 1991Assignee: International Business Machines CorporationInventors: Edward D. Babich, Michael Hatzakis, Scott L. Jacobs, Juri R. Parasczcak, Jane M. Shaw, David F. Witman
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Patent number: 4952619Abstract: Reactive stabilizing compounds, able to stabilize organic polymers, contain in their molecule a sterically hindered amino group and a hydrolyzable silyl function.In stabilizing organic polymers, said reactive stabilizing compounds can be hydrolyzed at the silyl function with the formation of silanol groups, which are made to interact in order to form complex resinous stabilizing structures. These latter are added in stabilizing quantities to the polymer to the stabilized.According to one particular embodiment, the hydrolysis at the silyl function and the formation of the resinous structure take place spontaneously within the polymer to be stabilized.According to a further embodiment, the reactive stabilizing compound is added to the polymer after being stably supported on a solid support by reaction with an inorganic solid having surface hydroxyl groups.Type: GrantFiled: May 14, 1987Date of Patent: August 28, 1990Assignee: Enichem Synthesis S.p.A.Inventors: Alberto Greco, Carlo Busetto, Luigi Cassar, Carlo Neri
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Patent number: 4921909Abstract: Emulsion polymerization type thermoplastic resin of high performance can be produced by the following methods: namely, a method which comprises removing an aqueous phase from a two-phase mixture comprising a latex of polymer (1) produced by emulsion polymerization, a water soluble agent (2) in an amount of 10% by weight or less of said polymer (1) which is capable of coagulating the latex of polymer (1) and an organic agent (3) in an amount of 0.1 to 6 times the weight of said polymer (1) which is capable of dissolving both an uncrosslinked polymer contained in said polymer (1) and thermoplastic polymer (4) mentioned hereinbelow and has a solubility in water of 5% by weight or less at 25.degree. C.Type: GrantFiled: December 24, 1986Date of Patent: May 1, 1990Assignee: Mitsubishi Rayon Company, Ltd.Inventors: Teruhiko Sugimori, Noriyuki Tajiri, Yutaro Fukuda
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Patent number: 4914248Abstract: A diene polymer expressed by the following general formula and with a weight average molecular weight, determined by GPC, of 10,000 to 1,000,000: ##STR1## (wherein, D.sub.1 indicates a diene polymer, R.sub.1 an organic group of 1 to 20 carbon atoms free from active hydrogen or a silicon compound, m is 0 or an integer of from 1 to 6, and n is 0 or an integer of from 1 to 6, m being 1 or more when n=0 and n being 2 or more when m=0).This diene polymer is used as a vulcanization use rubber composition suitable for tire applications, principally tire treads, stiffeners for high impact polystyrene, etc., thermoplastic elastomers, and thermoplastic resins.Type: GrantFiled: June 9, 1987Date of Patent: April 3, 1990Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Yuichi Kitagawa, Yasuo Hattori, Akira Saito
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Patent number: 4900764Abstract: Hydrophilic polymers of the type suitable for use in making contact lenses and having a wide range of controllable properties including strength and gas permeability are formed from acrylonitrile or methyl methacrylate or an analogue thereof, 1-vinyl-2-pyrrolidinone and an appropriate amount of a cross-linking agent. Contact lenses (3) having an interferometric pattern thereon are also disclosed.Type: GrantFiled: May 18, 1988Date of Patent: February 13, 1990Inventors: Donald J. Highgate, John D. Frankland
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Patent number: 4892918Abstract: Secondary-amino-functional organosilicone are prepared by the reaction of an N-substituted, secondary allylamine with an Si-H functionalized organosilicone particularly a di- or polysiloxane. The resulting products are useful in toughening thermosetting matrix resins, particularly epoxy resins.Type: GrantFiled: May 29, 1987Date of Patent: January 9, 1990Assignee: BASF CorporationInventor: Hong-Son Ryang
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Patent number: 4861667Abstract: A coating composition comprising a fluorine-containing copolymer containing at least 10% by weight of fluorine based on fluoroolefin units, being soluble in a solvent and having curable reactive sites, and a polyfunctional organic silicon compound having at least one isocyanate group directly bonded to a silicon atom.Type: GrantFiled: December 15, 1987Date of Patent: August 29, 1989Assignee: Asahi Glass Company, Ltd.Inventors: Takashi Takayanagi, Seiji Munekata, Nobuyuki Miyazaki, Ken Moriwaki
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Patent number: 4847154Abstract: Modified heat-curable resins having enhanced toughness are prepared through incorporation of certain secondary amine terminated organosilicones or prereacts of these organosilicones with epoxy, cyanate, or bismaleimide resins. These modified resins are useful as toughened matrix resins, as high temperature, high strength elastomers, and, particularly, as structural adhesives.Type: GrantFiled: September 24, 1987Date of Patent: July 11, 1989Assignee: BASF CorporationInventor: Hong-Son Ryang
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Patent number: 4847344Abstract: Novel heat-resistant maleimido polymers, well adopted for the production of molded/laminated shaped articles, are copolymerizates of (a) a hydrocarbyl N,N'-bis(maleimide); (b) a diamine containing a diorganopolysiloxane bridge; optionally, (c) an N,N'-bis(maleimide) containing a diorganopolysiloxane bridge; optionally, (d) at least one other comonomer copolymerizable therewith; and, optionally, (e) a catalyst therefor.Type: GrantFiled: March 10, 1988Date of Patent: July 11, 1989Assignee: Rhone-Poulenc ChimieInventors: Pascal Barthelemy, Yves Camberlin
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Patent number: 4837274Abstract: A curable composition comprising (A) an organic polymer containing at least one reactive silicon functional group crosslinkable to produce an elastomer by the formation of a siloxane bond in its molecule and (B) an organic silicon compound having a molecular weight of not less than 140 and represented by the formula (1):[(CH.sub.3).sub.3 SiO].sub.n R.sup.1 (1)wherein R.sup.1 is a residue of an alcohol or a weak acid which has a valency of n, and n is a positive integer. The composition of the invention can give cured product having excellent modulus and elongation as well as has excellent storage stability.Type: GrantFiled: September 29, 1987Date of Patent: June 6, 1989Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Fumio Kawakubo, Sadao Yukimoto, Michihide Homma
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Patent number: 4822681Abstract: A chemically modified and activated, hydroxyl-group-containing, natural or synthetic, polymeric solid body surface is disclosed, as well as a process for the activation of such solid body surfaces by means of organo-silanes and, if necessary, homo- or heterobifunctional reagent. The surfaces are used for the stable, simple and economical binding of proteins, nucleic acids, low-molecular ligands, cells, microorganisms and other biological materials, in biology, biotechnology and medicine.Type: GrantFiled: January 29, 1987Date of Patent: April 18, 1989Assignee: Veb Leipziger ArzeimittelwerkInventors: Werner Schossler, Hans-Friedrich Boeden, Martin Holtzhauer, Fritz Loth, Falk Hiepe, Dieter Bertram, Frank Mielke, Reinhard Muller, Dagmar Konjuchowa
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Patent number: 4818790Abstract: A room temperature-curable resin composition consisting essentially of (A) a vinyl polymer containing a basic nitrogen atom and (B) a compound containing both an epoxy group and a hydrolyzable silyl group in each molecule. The composition is especially useful as a paint, an adhesive, or a sealing agent.Type: GrantFiled: August 28, 1985Date of Patent: April 4, 1989Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Masataka Ooka, Shinichi Kuwamura, Hiroshi Ozawa, Hiroshi Ozawa
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Patent number: 4797454Abstract: Cyanate-functional oxazolinylpolysiloxanes are useful for toughening high performance resin systems such as cyanates, epoxies, and bismaleimides without substantial loss of heat resistance.Type: GrantFiled: September 24, 1987Date of Patent: January 10, 1989Assignee: BASF CorporationInventor: Hong-Son Ryang
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Patent number: 4785053Abstract: An optical resin material comprising at least two constituent units each having positive and negative main polarizability differences of at least 50.times.10.sup.-25 cm.sup.3 in terms of absolute values has small birefringence and good water absorbance, heat resistance and moldability.Type: GrantFiled: July 2, 1986Date of Patent: November 15, 1988Assignee: Sumitomo Chemical Company, LimitedInventors: Iko Ito, Shozaburo Imai, Michihisa Isobe
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Patent number: 4782008Abstract: Plasma-resistant polymeric materials are prepared by reacting a polymeric material containing reactive hydrogen functional groups with a multifunctional organometallic material containing at least two functional groups which are reactive with the reactive hydrogen functional groups of the polymeric material, such as hexamethylcyclotrisilazane.Type: GrantFiled: March 19, 1985Date of Patent: November 1, 1988Assignee: International Business Machines CorporationInventors: Edward D. Babich, Michael Hatzakis, Scott L. Jacobs, Juri R. Parasczcak, Jane M. Shaw, David F. Witman
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Patent number: 4707529Abstract: Dispersions of siloxane polymers and optional dispersion stabilizers in a polyepoxide resin continuous phase are characterized in that the siloxane polymer is grafted to the polyepoxide resin, and the dispersions remain stable. The compositions are curable and are useful as coatings, in preparing laminates and reinforced plastics, and as adhesives.Type: GrantFiled: June 27, 1985Date of Patent: November 17, 1987Assignee: The Dow Chemical CompanyInventors: Dwight K. Hoffman, Reet T. Fernandez
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Patent number: 4704416Abstract: Aqueous redispersible powders which contain a water-soluble polymer and at least one organic silicon compound, in which at least 50 percent by weight of the organic silicon compound(s) used to prepare these powders are liquid or solid at room temperature at 1,020 hPa (abs.), have a boiling point of at least 150.degree. C. at 1,020 hPa (abs.), and contain an average of not more than 1.8 SiC-bonded organic radicals per silicon atom, and have at least one hydrogen atom bonded directly to silicon per molecule, or at least one hydroxy group bonded to silicon per molecule, or at least one hydrocarbon radical bonded to silicon via oxygen per molecule which may be substituted by an alkoxy group, or a mixture of at least two such condensable substituents in which the organic silicon compound(s) are used in an amount of at least 30 percent by weight, based on the total weight of the powder (calculated as anhydrous powder).Type: GrantFiled: October 8, 1986Date of Patent: November 3, 1987Assignee: Wacker-Chemie GmbHInventors: Herbert Eck, Michael Roth
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Patent number: H1387Abstract: The present invention provides a method for making a method for making high service temperature rubber compound, hot melt adhesive or sealant compositions by combining a polyphenylene ether resin with an elastomeric block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene, which comprises (a) making a masterbatch of 2 to 50 phr of a polyphenylene ether having an intrinsic viscosity of 0.3 deciliters per gram or more and 100 phr of said block copolymer by extruding them together with 2 to 30 phr of an endblock compatible resin, and (b) optionally mixing the masterbatch with more of the block copolymer.Type: GrantFiled: November 9, 1993Date of Patent: December 6, 1994Assignee: Shell Oil CompanyInventors: David R. Hansen, Glenn R. Himes, Steven S. Chin