Mixed With Silicon-containing Reactant Or Polymer Derived Therefrom Patents (Class 525/446)
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Patent number: 4959404Abstract: A thermoplastic resin composition comprises a resin dispersion which includes a thermoplastic resin component having a solubility parameter .delta. of at least 9.5 cal.sup.1/2 cm.sup.-3/2, a modifier component having a solubility parameter .delta. of not higher than 8.5 cal.sup.1/2 cm.sup.-3/2, and a dispersibility improver comprising a silicon-containing polyacetal copolymer having (i) a siloxane segment derived from 0.01 to 30 wt. % of a terminal-reactive silicone oil of the following general formula I: ##STR1## wherein R.sub.1 represents an alkyl or phenyl group, R.sub.2 represents a divalent organic group, X represents a group selected from the group consisting of --NH.sub.2, --OH, ##STR2## --R.sub.4 OH, --R.sub.5 COOH, --R.sub.6 COOR.sub.7, --R.sub.8 and --OR.sub.9, R.sub.3 represents a divalent organic group, R.sub.4 to R.sub.6 each represent an alkylene group having 1 to 10 carbon atoms, R.sub.7 to R.sub.Type: GrantFiled: November 3, 1988Date of Patent: September 25, 1990Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Yukihiko Kageyama, Kenji Hijikata
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Patent number: 4952643Abstract: A curable polymer composition comprising:(A) an organic elastomeric polymer having, in a molecule, at least one silicon-containing group which is cross linkable through formation of a siloxane bond and(B) an epoxy resin which has been cured which is easily handled and affords a cured product having improved strength.Type: GrantFiled: January 29, 1990Date of Patent: August 28, 1990Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Toshifumi Hirose, Kawakubo Kawakubo, Katsuhiko Isayama
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Patent number: 4942212Abstract: A polyurethane resin is composed of a polyol component, a polyisocyanate component and optionally, a chain extender component. At least a portion of the polyol component or chain extender component is a siloxane polyol component represented by the following formula (1) and/or formula (2): ##STR1## wherein R means an alkyl group, R' denotes a hydrogen atom or C.sub.1-5 alkyl group, k, l and m stand for 1-250, 0-5 and 0-50 respectively, and n is an integer of 1-3 in the formula (1) and an integer of 2-3 in the formula (2). A thermal recording material containing the polyurethane resin as a heat-resistant layer is also disclosed.Type: GrantFiled: December 6, 1988Date of Patent: July 17, 1990Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg. Co., Ltd.Inventors: Kazuyuki Hanada, Kohichi Kuroda, Iwao Misaizu, Masashi Kashimura, Tomoko Goto, Katsumi Kuriyama
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Patent number: 4927895Abstract: Silicon-containing copolyester are in the form of a block copolymers comprising,(i) between about 1 to 99% by weight of a siloxane segment which is at least one selected from the group consisting of siloxane segments expressed by the following general formulas; ##STR1## where R and R', which may be the same or different, are each hydrocarbon moieties having 1 to 10 carbon atoms, and m is an integer between 1 to 2000; and(ii) between about 99 to about 1% by weight of a polyester segment which is at least one selected from polyester segments of the following general formulas: ##STR2## where R.sub.1 is at least one radical selected from the group consisting of aromatic bivalent radicals having 6 to 12 carbon atoms and aliphatic bivalent radicals having 4 to 20 carbon atoms, R.sub.2 is at least one radical selected from the group consisting of aromatic bivalent radicals having 6 to 20 carbon atoms, and aliphatic bivalent radicals having 2 to 20 carbon atoms, and n is an integer between 1 and 1000.Type: GrantFiled: October 28, 1988Date of Patent: May 22, 1990Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Kenji Hijikata, Yukihiko Kageyama, Katsuhiko Takahashi
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Patent number: 4923914Abstract: A surface-segregatable, melt-extrudable thermoplastic composition suitable for processing by melt extrusion to form a fiber or film having a differential, increasing concentration of an additive from the center of the fiber or film to the surface thereof, which differential, increasing concentration imparts to the surface of the fiber or film at least one desired characteristic which otherwise would not be present, which composition includes at least one thermoplastic polymer and at least one defined additive. During formation of the fiber or film, the additive rapidly segregates in a controllable manner toward the newly-formed surface of the fiber or film, thereby resulting in a controllable differential concentration of the polymeric material, which concentration increases with increasing distance from the center of the fiber or film to its surface. The weight ratio of the polymer to the additive is in the range of from about 1 to about 1,000.Type: GrantFiled: April 14, 1988Date of Patent: May 8, 1990Assignee: Kimberly-Clark CorporationInventors: Ronald S. Nohr, J. Gavin MacDonald
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Patent number: 4920168Abstract: A stabilized surface-segregatable, melt-extrudable thermoplastic composition suitable for processing by melt extrusion to form a fiber or film having a differential, increasing concentration of a siloxane-containing primary additive from the center of the fiber or film to the surface thereof, which differential, increasing concentration imparts hydrophilicity to the surface of the fiber or film, which composition includes at least one thermoplastic polymer, at least one siloxane-containing primary additive, and at least one siloxane-containing stabilizing additive. During formation of the fiber or film, the primary additive rapidly segregates in a controllable manner toward the newly-formed surface of the fiber or film, thereby resulting in a controllable differential concentration of the primary additive, which concentration increases with increasing distance from the center of the fiber or film to its surface. The weight ratio of the polymer to the additive is in the range of from about 1 to about 1,000.Type: GrantFiled: April 14, 1988Date of Patent: April 24, 1990Assignee: Kimberly-Clark CorporationInventors: Ronald S. Nohr, J. Gavin MacDonald
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Patent number: 4918132Abstract: A thermoplastic polyester resin composition comprising from 10 to 80% by weight of a thermoplastic polyester (A); from 5 to 55% by weight of a compound rubber type graft copolymer (B) having at least one vinyl monomer graft-polymerized onto a compound rubber composed of from 10 to 90% by weight of a polyorganosiloxane rubber and from 10 to 90% by weight of a polyalkyl (meth)acrylate rubber in a total amount of 100% by weight in an inseparably interlocking fashion and having an average particle size of from 0.08 to 0.6 .mu.m; from 5 to 70% by weight of a thermoplastic polyester elastomer (C); and from 0 to 60% by weight of a filler (D), with the total amount of components (A) to (D) being 100% by weight.Type: GrantFiled: September 20, 1988Date of Patent: April 17, 1990Assignee: Mitsubishi Rayon Company LimitedInventors: Masafumi Hongo, Hideyuki Shigemitsu, Naoki Yamamoto, Akira Yanagase
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Patent number: 4902736Abstract: A one-part curing composition comprising a compound (a) having two or more structural groups, per molecule, expressed by the general formula: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 are groups selected from an alkyl group having 1 to 6 carbon atoms, a phenyl group, and a chloromethyl group, and a polymer (b) having two or more isocyanate groups per molecule, has a good stability in storage under conditions which exclude moisture and humidity, and which further cures in the presence of humidity. This composition does not foam under high temperatures and humidities and has a good heat resistance.Type: GrantFiled: August 10, 1988Date of Patent: February 20, 1990Assignee: Toray Thiokol Company LimitedInventors: Toshiaki Nonaka, Masashi Nakajima, Tatsuro Matsui, Noriaki Dokoshi
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Patent number: 4894427Abstract: An aromatic polyester-polyorganosiloxane block copolymer comprising a polyester segment consisting essentially of:(a) an aromatic polyester of an aromatic dicarboxylic acid, or mixtures thereof, and a dihydric phenol, a lower aliphatic diol, an alicyclic diol, or mixtures thereof,(b) an aromatic polyester of an aromatic hydroxycarboxylic acid or mixtures thereof, or(c) a copolymer of (a) and (b),and a polyorganosiloxane segment having a recurring unit represented by the formula: ##STR1## in which R.sub.1 represents a lower alkylene group or a lower alkylene ether group; R.sub.2 and R.sub.3 independently represent a methyl group or a phenyl group; and n represents an integer not smaller than 10, in which bonding between the polyester segment and the polyorganosiloxane segment is an ester linkage formed by a condensation reaction between the terminal carboxyl group of the polyester segment and the terminal hydroxyl group of the polyorganosiloxane segment.Type: GrantFiled: September 29, 1988Date of Patent: January 16, 1990Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Naoki Yamamoto, Hiroshi Mori, Akira Nakata, Misayo Suehiro
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Patent number: 4882381Abstract: Moulding compounds prepared from fully aromatic polyesters and grafted silicone rubber of a specified composition can be worked up into moulded bodies with excellent low temperature toughness and uniform surface.Type: GrantFiled: July 26, 1988Date of Patent: November 21, 1989Assignee: Bayer AktiengesellschaftInventors: Dieter Wittmann, Hans-Jurgen Kress, Ludwig Bottenbruch, Edgar Leitz, Horst Peters
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Patent number: 4880882Abstract: The curable resin composition of the present invention consists of a curable resin and the spherical microparticles of cured silicone rubber obtained by the curing of an addition reacting silicone rubber composition, wherein the silicone rubber composition also contains an epoxy compound having an aliphatically unsaturated group. Furthermore, because the microparticles are prepared from an aqueous emulsion or aqueous dispersion of the silicone rubber composition, it has an extremely small particle size.Type: GrantFiled: August 19, 1988Date of Patent: November 14, 1989Assignee: Toray Silicone Company, Ltd.Inventors: Yoshitsugu Morita, Noriyasu Yokoyama, Keiji Yoshida
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Patent number: 4877831Abstract: A polycarbonate resin composition excellent in chemical resistance, weather resistance, heat resistance, and low-temperature impact resistance, which comprises,either a polycarbonate resin (A) or a mixture (A') of the polycarbonate resin and a saturated polyester and/or a polyester elastomer andeither a siloxane based graft copolymer (B) obtained by graft polymerization of 95 to 10% by weight of at least one vinyl monomer onto 5 to 90% by weight of a polyorganosiloxane rubber which exhibits a degree of swelling of 3 to 30 as measured to toluene at 25.degree. C., contains constitutional units derived from a graft-linking agent, and has an average particle size of 0.08 to 0.8 .mu.m or a mixture (B) of the siloxane-based graft copolymer and a vinyl polymer,wherein the component (B) is blended so that the content of the polyorganosiloxane rubber may be from 0.5 to 60% by weight based on the whole resin composition.Type: GrantFiled: June 16, 1987Date of Patent: October 31, 1989Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Masafumi Hongo, Hideyuki Shigemitsu, Naoki Yamamoto, Akira Yanagase
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Patent number: 4876318Abstract: Compounds of the formula ##STR1## where R is alkyl, R' is independently selected from alkyl and aryl, and n ranges from 1 to 8 are useful as coupling agents in filled polymer compositions, e.g., in filled, polar polymers such as polybutylene terephthalate.Type: GrantFiled: July 19, 1988Date of Patent: October 24, 1989Assignee: Texas Alkyls, Inc.Inventors: Dennis B. Malpass, Kelly B. Triplett, Andrzej M. Piotrowski
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Patent number: 4871788Abstract: Novel ionomeric silane coupling agents are disclosed and their use in bonding a matrix polymer to a mineral substrate is described. The coupling agents comprise amic acid-functional silanes which are partially neutralized with metal cations and are prepared by reacting a mixture of (I) an amine-functional silane, (II) a stoichiometric excess of a dicarboxylic organic acid and (III) an ionic compound containing a metal cation, wherein 10% to 80% of the excess carboxylic acid functionality is neutralized by the metal cations. The coupling agents greatly improve bonding to the matrix polymer in moist environments and are particularly suitable for use in formulating filled injection molding compositions.Type: GrantFiled: June 3, 1988Date of Patent: October 3, 1989Assignee: Dow Corning CorporationInventor: Edwin P. Plueddemann
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Patent number: 4870132Abstract: A resin composition having (a) amphoionic group of the formula: ##STR1## wherein R is optionally substituted C.sub.1 -C.sub.6 alkylene or phenylene and Y is --COOH or --SO.sub.3 H, (b) an ethylenically unsaturated group, and (c) a silicon-containing organic group. The resin composition is useful as a reactive emulsifier in the emulsion polymerization of ethylenically unsaturated monomers.Type: GrantFiled: September 20, 1988Date of Patent: September 26, 1989Assignee: Nippon Paint Co., Ltd.Inventors: Akio Kashihara, Tadafumi Miyazono, Keizou Ishii, Shinichi Ishikura
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Patent number: 4863978Abstract: A novel ionomeric silane coupling agent is disclosed and its use in bonding a matrix polymer to a mineral substrate is described. The coupling agent is prepared by partially neutralizing the combined acid functionality present in a mixture of an acid-functional silane (or metal salt thereof) and an acid-functional film former with a metal ion. The coupling agent greatly improves bond strength in moist environments and is particularly suitable for use in formulating filled injection molding compositions.Type: GrantFiled: June 3, 1988Date of Patent: September 5, 1989Assignee: Dow Corning CorporationInventor: Edwin P. Plueddemann
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Patent number: 4861830Abstract: A polymer admixture is formed from a base polymer and thermoplastic copolymer additive including polar hard segments and polar and nonpolar soft blocks in graft or block copolymer form. The polymer admixture is characterized by increased contact angle hysteresis and is formed into blood and tissue-contacting surfaces of a biomedical device or into textiles. A preferred additive comprises a segmented block copolymer having polydialkylsiloxanes as nonpolar soft blocks, and a polyurethane as hard segments and a polyalkylene oxide as a polar soft block.Type: GrantFiled: June 22, 1987Date of Patent: August 29, 1989Assignee: Th. Goldschmidt AGInventor: Robert S. Ward, Jr.
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Patent number: 4853434Abstract: There is disclosed a modified reaction resin with a content of 50 to 98% by weight of a liquid reaction resin or reaction resin mixture processed into thermosetting plastic with a suitable reactive group of sufficient number for the hardening process and 2 to 50% by weight of one or more three-dimensional crosslinked polyorganosiloxane rubbers, which are held in the reaction resin matrix in finely divided state as polyorganosiloxane rubber particles with a diameter of from 0.01 to 50 micrometers, together with small quantities of other auxiliary materials. The rubber particles have reactive groups on their surfaces, which in turn in the presence of auxiliary media serving as reactive components can react chemically with the reaction resin.There is also disclosed a process for the production of the modified reaction resins and their use for the production of fracture and impact resistant, also definitively shaped thermosetting plastics, fiber-reinforced plastics, insulation materials and laminated plastic.Type: GrantFiled: October 2, 1987Date of Patent: August 1, 1989Assignee: Hanse Chemie GmbHInventor: Hermann Block
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Patent number: 4831080Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and a liquid organohydrogenpolysiloxane and the second component comprises the same PSA and a cure agent for the liquid organohydrogenpolysiloxane. The method provides improved adhesive bond strength over the unmodified PSA, which bond strength generally increases with the passage of time.Type: GrantFiled: May 2, 1988Date of Patent: May 16, 1989Assignee: Dow Corning CorporationInventors: John D. Blizzard, Terence J. Swihart
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Patent number: 4826946Abstract: Multi-block copolymers of recurring structural units of polysiloxanes and recurring structural units of aliphatic polyesters, polyethers or polyetheresters with rubber properties, the individual polymeric blocks constituting rubber-type products with glass transition temperatures below practical usefulness and a process for their production.Type: GrantFiled: June 4, 1987Date of Patent: May 2, 1989Assignee: Bayer AktiengesellschaftInventors: Herbert Eichenauer, Christian Lindner, Karl-Heinz Ott, Peter Orth, Hartwig Hocker
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Patent number: 4812518Abstract: Lacquers and molding compositions containing an anti-adhesive character producing and lubricity increasing amount of a polyester-containing polysiloxane corresponding to the formula ##STR1## wherein A, B and D each represent --CH.sub.3 or --Z--R--Q; Z represents an alkylene group with 1 to 11 carbon atoms, --(CH.sub.2).sub.2 SCH.sub.2 --or --(CH.sub.2).sub.3 NHCO--; R represents an aliphatic, cycloaliphatic or aromatic group containing at least 3 carboxylate ester groups and having an average molecular weight Mn of 300 to 3,000; Q represents a reactive group capable of chemically reacting with a resin component of the lacquer or molding composition; x represents a number from 4 to 150; y represents a number from 1 to 6, in which an average molecule contains at least one group --Z--R--Q and the ratio of the number of --Z--R--Q groups to the number x is from 1:3 to 1:30.Type: GrantFiled: September 30, 1986Date of Patent: March 14, 1989Assignee: BYK-Chemie GmbHInventors: Karlheinz Haubennestel, Alfred Bubat
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Patent number: 4803233Abstract: Aqueous, organic polymer compositions, such as urethane- or acrylic-based coating compositions, can be improved with respect to strength, adhesion, anticorrosion and/or hardness by mixing them with certain aqueous, silicon compound emulsion compositions. For example, silicone resin emulsions provide improved corrosion resistance for urethane coating compositions. The aqueous, silicon compound emulsion composition comprises a primary, a secondary and a tertiary surfactant.Type: GrantFiled: October 30, 1987Date of Patent: February 7, 1989Assignee: Dow Corning CorporationInventors: Dipak Narula, Terence J. Swihart
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Patent number: 4792587Abstract: A resin composition of the invention, exhibiting the anisotropism when melted, comprises (1) a resin having rigid structure and exhibiting the anisotropism when melted and (2) a resin having a rigid structure portion and a soft structure portion, both resins having been uniformly mixed with each other.Type: GrantFiled: March 16, 1987Date of Patent: December 20, 1988Assignee: Polyplastics Co., Ltd.Inventors: Toshio Kanoe, Tsuneyoshi Okada, Kenji Hijikata
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Patent number: 4789710Abstract: A process for the preparation of a room-temperature curable resin comprises reacting a compound (A) containing at least two acryloyl groups and/or methacryloyl groups in a molecule, and having from 100 to 100,000 of number-average molecular weight, with an aminosilane compound (B) represented by formula, ##STR1## (wherein X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acryloxy, ketoxymate, amino, acid amide, aminoxy, mercapto, alkenyloxy groups; R.sub.1 is C.sub.1 -C.sub.10 alkyl group, aryl group, or aralkyl group; n is an integer of from 1 to 3, and m is an integer of from 1 to 10),at the ratio of at least 0.2 equivalents of primary amino groups contained in the compound (B) to equivalent of acryloyl groups and/or methacryloyl groups contained in the compound (A), under substantially water-free condition, subsequently reacting the reaction product of aminosilane-modified resin and, furtherwith a monofunctional isocyanate compound (C) represented by formula,R.sub.Type: GrantFiled: December 21, 1987Date of Patent: December 6, 1988Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hisao Furukawa, Jo Kawamura
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Patent number: 4788254Abstract: A moisture curable polymer composition comprising (A) an organic polymer having at least one reactive silicone group in a molecule and (B) a compound having one silanol group in a molecule and/or a compound which reacts with water or moisture to form a compound having one silanol group in a molecule, which is cured with moisture to give an elastomeric material with improved tensile properties and surface characteristics.Type: GrantFiled: July 13, 1987Date of Patent: November 29, 1988Assignee: Kanegafuchi Chemical Industry, Co., Ltd.Inventors: Fumio Kawakubo, Sadao Yukimoto, Miyako Takanoo, Katsuhiko Isayama, Takahisa Iwahara
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Patent number: 4778858Abstract: This invention relates to a process for preparing a thermoplastic resin composition through a solid state polymerization process. The thermoplastic resin composition made in accordance with this invention is particularly suitable for use in thermoforming thin walled articles. The process of this invention specifically comprises (1) melt blending a polyethylene terephthalate prepolymer with at least one liquid crystalline polymer to produce a polyethylene terephthalate/liquid crystalline polymer blend; and (2) solid state polymerizing said polyethylene terephthalate/liquid crystalline polymer blend at a temperature within the range of about 195.degree. C. to about 255.degree. C. for a period of at least about 1 hour to produce a thermoplastic resin composition. The subject invention also deals with thermoforming such thermoplastic resin compositions into articles, such as food trays, having a crystallinity within the range of about 10% to about 40%.Type: GrantFiled: March 5, 1987Date of Patent: October 18, 1988Assignee: The Goodyear Tire & Rubber CompanyInventor: Paul R. Ginnings
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Patent number: 4775712Abstract: A thermoplastic polyester resin composition capable of providing a molded article superior in impact resistance, heat resistance, cold resistance, and weather resistance, which comprises a blend of 10 to 80% by weight of a thermoplastic polyester (A), 5 to 55% by weight of a polyorganosiloxane-based graft copolymer (B) obtained by graft-polymerizing 95 to 10% by weight of at least one vinyl monomer onto 5 to 90% by weight of a polyorganosiloxane rubber which exhibits a degree of swelling of 3.0 to 15.0 measured in toluene at 25.degree. C. and contains a graft-linking agent, 5 to 55% by weight of a thermoplastic polyester elastomer (C), and 0 to 60% by weight of a filler (D), wherein the total amount of the components (A) to (D) is 100% by weight.Type: GrantFiled: January 13, 1987Date of Patent: October 4, 1988Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Isao Sasaki, Akira Yanagase, Masafumi Hongo
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Patent number: 4774278Abstract: An improved coating composition is proposed which comprises a conventional resin component for coating admixed with a silicone resin in combination with an organopolysiloxane having specified substituent groups in an object of forming non-skid coating films imparted with non-blocking property at the same time.Type: GrantFiled: September 25, 1986Date of Patent: September 27, 1988Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiroshi Yoshioka, Ichiro Ono, Hideki Sugahara
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Patent number: 4771109Abstract: Graft polymers of vinyl monomers or vinyl monomer mixtures on block copolymers of recurring structural units from the polysiloxane series and recurring structural units from the series comprising homo- and copolymers of conjugated dienes as grafting bases.Type: GrantFiled: February 24, 1987Date of Patent: September 13, 1988Assignee: Bayer AktiengesellschaftInventors: Herbert Eichenauer, Christian Lindner, Karl-Heinz Ott
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Patent number: 4766181Abstract: Polyester resin is modified with siloxane block polymers in such a manner so as to form silicone-modified polyester copolymer domains of controlled size and distribution dispersed in the polyester matrix. These domains undergo microphase segregation and migration during the melt spinning and cold-drawing to the surface of the polyester fiber being formed so as to provide a silicone-sheathed polyester fiber.Type: GrantFiled: September 18, 1986Date of Patent: August 23, 1988Assignee: Union Carbide CorporationInventors: Robert L. Ostrozynski, George H. Greene, James H. Merrifield
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Patent number: 4764569Abstract: A resinous composition for coating use which is obtained by the reaction of base resin having both hydroxyl and carboxyl groups with an organopolysiloxane resin and with an alkylene imine compound in any successive order. The invention also provides a coating composition containing as resinous vehicle the abovesaid silicon and alkylene imine modified resin or a combination of silicon modified resin and polyalkylen imine. The present coating composition is characterized by having excellent recoatability and weathering resistance.Type: GrantFiled: December 24, 1986Date of Patent: August 16, 1988Assignee: Nippon Paint Co., Ltd.Inventors: Hirotoshi Umemoto, Hisaki Tanabe, Yutaka Takeuchi
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Patent number: 4761327Abstract: A biaxially oriented film formed from a intimate mixture comprising (I) an aromatic polyester, (II) 0.005 to 1.0% by weight, based on the aromatic polyester, of fine particles of a silicone resin having (a) a composition represented by the following formula (A)R.sub.x SiO.sub.2-x/2 (A)wherein R represents a hydrocarbon group having 1 to 7 carbon atoms, and x is a number of from 1 to 1.2, (b) a volume shape factor (f), represented by the following formula (B), of more than 0.4 but not exceeding .pi./6f=V/D.sup.3 (B)wherein V is the average volume (.mu.m.sup.3) of the particles and D is the average maximum particle diameter (.mu.m) of the particle, and (c) an average particle diameter of 0.3 to 4 .mu.m. The film optionally contains (III) 0.005 to 1% by weight, based on the aromatic polyester, of inert fine particles having an average particle diameter of 0.01 to 1 .mu.m but being smaller than the average particle diameter of the silicone resin particles.Type: GrantFiled: January 14, 1987Date of Patent: August 2, 1988Assignee: Teijin LimitedInventors: Hisashi Hamano, Kinji Hasegawa, Yoshihiro Noumi, Hideo Katoh
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Patent number: 4758637Abstract: Polyester resin is modified with siloxane block polymers in such a manner so as to form silicone-modified polyester copolymer domains of controlled size and distribution dispersed in the polyester matrix. These domains undergo microphase segregation and migration during the melt spinning and cold-drawing to the surface of the polyester fiber being formed so as to provide a silicone-sheathed polyester fiber.Type: GrantFiled: November 21, 1986Date of Patent: July 19, 1988Assignee: Union Carbide CorporationInventors: James H. Merrifield, George H. Greene
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Patent number: 4758616Abstract: A thermoplastic polyester composition for a powdered paint which comprises:(a) a copolyester derived from a dicarboxylic acid component comprising 40 to less than 60 molar % of terephthalic acid and a diol component comprising at least 70 molar % of 1,4-butanediol and having a melting point determined by differential thermal analysis of 100.degree. to 150.degree. C.,(b) a nucleating agent, and(c) a leveling agent.This composition can be applied with a lowered pre-heat temperature and a lowered heat setting temperature and can form a coating film having an excellent adhesion, a good appearance and a high impact resistance.Type: GrantFiled: August 15, 1986Date of Patent: July 19, 1988Assignees: Toray Industries, Inc., Seitetsu Kagaku Co.Inventors: Tatsuro Okano, Hirofumi Eguchi
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Patent number: 4755551Abstract: An electrodeposition resinous paint composition comprising (a) a modified alkyd resin, (b) a melamine resin, (c) a water-soluble silicone resin and (d) an inorganic filler, in which these components (a), (b), (c) and (d) are contained in the following ratios by weight:[(a)/[(a)+(b)]]=0.4-0.9;[(c)/[(a)+(b)]]=0.01-0.1;and[(d)/[(a)+(b)+(c)]]=0.1-1.0.Type: GrantFiled: July 7, 1987Date of Patent: July 5, 1988Assignee: UBE Industries, Ltd.Inventors: Tsunetomo Nakano, Fumio Sakatani, Mitsushi Taguchi
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Patent number: 4739013Abstract: Polyurethanes are provided which have a polymeric backbone including recurring urethane or urea groups or both and which are reaction products including macroglycols, diisocyanates, and preferably chain extending agents. The polyurethanes may take the form of poly(fluorosilicone urethanes) and include recurring organosilicone moieties from a fluoroalkylsiloxane reactant. When it is desired that these polyurethanes be capable of forming fibers in air, then the reactant charge should be such that the ratio of isocyanate equivalents to hydroxyl equivalents is less than 1.Type: GrantFiled: May 4, 1987Date of Patent: April 19, 1988Assignee: Corvita CorporationInventor: Leonard Pinchuk
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Patent number: 4713410Abstract: A heat curable aqueous emulsion coating composition is disclosed which is adapted to deposit a release coating which stratifies to allow less silicone to effectively coat a given surface area. This emulsion comprises water containing: (1) a fatty acid or fatty alcohol-containing hydroxy-functional polyester having a hydroxy value of at least about 40 and which is a free flowing liquid at room temperature; (2) a cross-linking agent for said hydroxy resin; and (3) at least one silicone reactive with said hydroxy-functional resin and/or said cross-linking agent to provide a release function. The hydroxy-functional polyester and the cross-linking agent serve to emulsify the silicones in the aqueous phase of the emulsion.Type: GrantFiled: January 13, 1986Date of Patent: December 15, 1987Assignee: DeSoto, Inc.Inventors: John Katchko, Karel Kirz, Thomas H. Plaisance
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Patent number: 4699967Abstract: Block copolymers of recurring structural units of the series of polysiloxanes and recurring structural units of the series of aliphatic polyesters, polyethers or polyetheresters with rubber properties, the polymeric block-forming polymers in each case producing rubber-type products with glass transition temperatures below practical temperatures of use and a process for the production thereof.Type: GrantFiled: January 21, 1986Date of Patent: October 13, 1987Assignee: Bayer AktiengesellschaftInventors: Herbert Eichenauer, Christian Lindner, Karl-Heinz Ott, Peter Orth, Hartwig Hocker
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Patent number: 4687811Abstract: A process for producing a polyester in a stable emulsion state, which comprises thermal polymerization of a bis(.omega.-hydroxyalkyl)terephthalate or an oligomer thereof in the form of finely divided particles dispersed in a silicone oil by using a graft polymer, as a dispersion stabilizer, constructed of both a polysiloxane and an acrylic polymer.Type: GrantFiled: July 17, 1986Date of Patent: August 18, 1987Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Isao Sasaki, Hiroshi Mori
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Patent number: 4684697Abstract: Disclosed are moisture-curable compositions based on (A) ungelled, partial hydrolyzates or organosilicon-containing materials in combination with (B) acrylic addition interpolymers containing hydrolyzable silyl groups.The organosilicon-containing material for preparation of the ungelled partial hydrolysis product has an average functionality based on easily hydrolyzable Y groups attached to silicon atoms of greater than or equal to 2.4 and contains greater than or equal to 10 mole percent of at least one organosilane compound corresponding to the formula R-Si-Y.sub.3. The partial hydrolysis product is prepared using a controlled amount of water.The acrylic addition interpolymer is not particularly limited provided that it contains at least one silicon atom directly bonded to a hydrolyzable group and is compatible with the ungelled partial hydrolysis product.Type: GrantFiled: July 2, 1986Date of Patent: August 4, 1987Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, William P. Blackburn, Paul J. Prucnal, Edward L. Dufford
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Patent number: 4683271Abstract: New siloxane-esters, useful as powder coating resins, are prepared by random condensation polymerization of a hindered glycol and a hydroxy functional silicone having about two ##STR1## groups per molecule wherein R is lower alkyl or phenyl groups and the remaining silicone valences form ring-structured siloxanes. Improved powder properties, including tack temperatures of 150.degree. F. to 220.degree. F., are believed to result in part from the hindered glycols especially those having carboxylic functionality.Type: GrantFiled: June 2, 1986Date of Patent: July 28, 1987Assignee: The Glidden CompanyInventors: Ju-Chui Lin, Kirk J. Abbey, Gary P. Craun, Peter V. Robinson
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Patent number: 4681922Abstract: Siloxane/polyester (carbonate) block copolymers comprising wholly aromatic polyester or polyestercarbonate units and from 0.5 to 7.5% by weight of polysiloxane blocks, exhibit an improved melt flowability without impairment of the heat stability.Type: GrantFiled: November 29, 1984Date of Patent: July 21, 1987Assignee: Bayer AktiengesellschaftInventors: Manfred Schmidt, Winfried Paul, Dieter Freitag, Dietrich Rathmann
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Patent number: 4678835Abstract: A coating composition contains at least 15 percent by weight of an ungelled reaction product of:(i) at least 2 percent by weight of an amine having in a molecule thereof at least one amino hydrogen atom, and at least one silicon atom directly bonded to a hydrolyzable group;(ii) at least 4 percent by weight of a material containing at least one epoxide group, at least 30 percent of said material being essentially free of hydroxyl groups; and(iii) a material selected from vinyl alkoxysilanes; nonfunctional organosilanes; organosilicates; and partial hydrolysis products thereof; the percentages by weight being based on the total weight of the resin solids of the coating composition including (i), (ii) and (iii).Type: GrantFiled: January 30, 1986Date of Patent: July 7, 1987Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, Edward L. Dufford, J. Alden Erikson, Paul J. Prucnal
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Patent number: 4675361Abstract: A polymer admixture is formed from a base polymer and thermoplastic copolymer additive including polar hard segments and polar and nonpolar soft blocks in graft or block copolymer form. The polymer admixture is characterized by increased contact angle hysteresis and is formed into blood and tissue-contacting surfaces of a biomedical device or into textiles. A preferred additive comprises a segmented block copolymer having polydialkylsiloxanes as nonpolar soft blocks, and a polyurethane as hard segments and a polyalkylene oxide as a polar soft block.Type: GrantFiled: June 24, 1983Date of Patent: June 23, 1987Assignee: Thoratec Laboratories Corp.Inventor: Robert S. Ward, Jr.
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Patent number: 4663397Abstract: Thermosetting resin compositions of the present invention comprises a thermosetting resin and a specified class of cured polyorganosiloxane resins dispersed as extremely fine particles in the thermosetting resin. Moldings and other shaped articles prepared using these compositions are flexible and exhibit small coefficients of thermal expansion and low shrinkage during molding.Type: GrantFiled: March 24, 1986Date of Patent: May 5, 1987Assignee: Toray Silicone Co., Ltd.Inventors: Yoshitsugu Morita, Akihiko Shirahata
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Patent number: 4659786Abstract: Polyester-polysiloxane block copolymers for dental uses are disclosed as low modulus thermoplastic elastomers. The copolymers comprise polycaprolactone residues and poly(dimethylsiloxane) .alpha.,.omega.-diol residues which are linked by ether bonds. The compounds exhibit the property of plasticity by heating and the property of original rubber elasticity by cooling again to room temperature.Type: GrantFiled: June 3, 1985Date of Patent: April 21, 1987Assignee: Tohoku UniversityInventors: Michio Kawakami, Yoshima Araki, Kenkichi Murakami, Hidetoshi Oikawa, Michio Nakanishi, Makoto Hosotani
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Patent number: 4657986Abstract: A curable resinous composition comprising:(A) an organic elastomeric polymer having at least one silicon-containing reactive group in a molecule,(B) an epoxy resin,(C) a silicone compound having a silicon-containing group and a functional group reactive with an epoxy group, and(D) a curing agent for the epoxy resin, wherein said silicon-containing reactive group is a group of the formula: ##STR1## wherein X is a hydroxyl group or a hydrolyzable group, R.sup.1 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or an organosiloxy group, "a" is 0, 1, 2, or 3, "b" is 0, 1 or 2 provided that the total of "a" and "b" is at least 1, and "m" is 0 or an integer of 1 to 18, a weight ratio of (A) to (B) being from 1:100 to 100:1 and a weight ratio of (A)+(B) to (C) being from 100:0.1 to 100:20.Type: GrantFiled: December 23, 1985Date of Patent: April 14, 1987Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Katsuhiko Isayama, Toshifumi Hirose, Takahisa Iwahara, Fumio Kawakubo
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Patent number: 4652610Abstract: Disclosed is a curable composition containing (A) a first silicon-containing resin containing at least one molecule having in a terminal and/or side chain thereof at least one silicon atom bonded to a group Y, wherein Y represents a hydrolyzable group; and (B) a second silicon-containing resin, different from the first silicon-containing resin. The second silicon-containing resin contains at least one molecule having in a terminal and/or side chain thereof at least one group corresponding to the following formula ##STR1## wherein Q is the residue of a substance such as a polyester resin, an acrylic resin, a urethane resin, a polyamide resin, and a polyether resin,each Y represents a hydrolyzable group,each R represents a C.sub.1 -C.sub.4 alkyl group, a vinyl group or an allyl group,each R' represents H or a C.sub.1 -C.sub.4 alkyl group,a is an integer of from 0 to 2,b is an integer of from 0 to 6, andn is an integer of from 1 to 2.Type: GrantFiled: January 3, 1986Date of Patent: March 24, 1987Assignee: PPG Industries, Inc.Inventors: Rostyslaw Dowbenko, Debra L. Singer, William P. Blackburn, Frank C. Williams, Jr.
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Patent number: 4640962Abstract: Polyester resin is modified with siloxane block polymers in such a manner so as to form silicone-modified polyester copolymer domains of controlled size and distribution dispersed in the polyester matrix. These domains undergo microphase segregation and migration during the melt spinning and cold-drawing to the surface of the polyester fiber being formed so as to provide a silicone-sheathed polyester fiber.Type: GrantFiled: September 11, 1985Date of Patent: February 3, 1987Assignee: Union Carbide CorporationInventors: Robert L. Ostrozynski, George H. Greene, James H. Merrifield
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Patent number: 4628076Abstract: Disclosed is an ungelled resin comprising a compound corresponding to a specified formula (I) which compound typically is prepared by reaction of an aminoalkyloxy silane with an organic isocyanate. The ungelled resin contains a hydrolyzable group that is attached directly to Silicon. The ungelled resin can be utilized in coating compositions. The ungelled resin can be cured with moisture and/or with polyols, and can be used to provide protective and/or decorative films on a variety of substrates.The novel compounds contained in the ungelled resin for convenience can be thought of as prepared from an organic isocyanate having an average functionality of at least 1; a silicon-containing compound corresponding to a specified formula (III) infra, the silicon-containing compound having at least one hydrolyzable group; and a compound containing at least 2 carbon atoms, at least 1 functional group reactive with a moiety on the silicon-containing compound and at least one amino group.Type: GrantFiled: December 17, 1984Date of Patent: December 9, 1986Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, David T. McKeough