Mixed With Silicon-containing Reactant Or Polymer Derived Therefrom Patents (Class 525/446)
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Patent number: 4623697Abstract: Disclosed is an ungelled resin composition comprising a compound having at least one group containing a silicon atom selected from: ##STR1## wherein Q represents the residue from an organic polyol selected from the group consisting of (1) simple diols, triols and higher hydric alcohols, (2) polyester polyols, (3) polyether polyols, (4) amide-containing polyols, (5) epoxy polyols and (6) polyhydric polyvinyl alcohols, and eachR independently is selected from the group of moieties consisting of hydrogen, and a C.sub.1 -C.sub.10 group joined to Si through an Si-C linkage, andY represents an easily hydrolyzable group.The ungelled resin composition contains an amount of easily hydrolyzable Y moieties directly bonded to silicon atoms such that the ratio of the number of grams of the ungelled resin composition to equivalents of easily hydrolyzable Y moieties in the ungelled resin composition is in a range of from 40 to 667.Type: GrantFiled: April 30, 1985Date of Patent: November 18, 1986Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, David T. McKeough
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Patent number: 4618656Abstract: A polymer which is prepared by polymerizing at least one ethylenically unsaturated monomer in the presence of an organic polymer having at least one reactive silicone group in a molecule and a compound having at least two independent ethylenically unsaturated functional groups in a molecule by use of a radical polymerization initiator having a reactive silicone group and/or a chain transfer agent having a reactive silicone group, which is cured with moisture to give a product having improved properties such as tensile properties and weather resistance.Type: GrantFiled: April 25, 1985Date of Patent: October 21, 1986Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Fumio Kawakubo, Miyako Takanoo, Sadao Yukimoto, Katsuhiko Isayama
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Patent number: 4618653Abstract: A polymer which is prepared by polymerizing at least one polymerizable monomer in the presence of an organic polymer having a reactive silicone group and a polymerizable ethylenically unsaturated group in a molecule, the total number of the silicone group and the unsaturated group being on the average not less than 1.1 and the number of the ethylenically unsaturated group being on the average not less than 0.1 by use of a radical polymerization initiator having a reactive silicone group and/or a chain transfer agent having a reactive silicone group, which is cured with moisture to give a product having improved properties such as tensile properties and weather resistance.Type: GrantFiled: April 25, 1985Date of Patent: October 21, 1986Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Fumio Kawakubo, Miyako Takanoo, Sadao Yukimoto, Katsuhiko Isayama
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Patent number: 4618657Abstract: A heat curable coating composition which deposits a release coating containing a smaller proportion of silicone release material is disclosed. This composition comprises (1) an hydroxy-functional resin which is preferably a polyester resin; (2) a cross-linking agent for the polyester, such as an aminoplast resin; and (3) at least one and preferably a mixture of at least two reactive silicones which are preferably polysiloxanes. These two polysiloxanes comprise: (A) a hydrogen- or alkoxy-functional polysiloxane; and (B) an elastomeric polysiloxane reactive with the hydrogen- or alkoxy-functional polysiloxane to provide release properties. Either or both of the polysiloxanes are reactive with the hydroxy-functional resin or the cross-linking agent. Components (1), (2) and (3) are compatible in a liquid admixture which may contain a volatile inert organic solvent or which may be solvent-free.Type: GrantFiled: March 11, 1985Date of Patent: October 21, 1986Assignee: DeSoto, Inc.Inventors: John Katchko, Thomas H. Plaisance, Karel Kriz
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Patent number: 4615882Abstract: An aqueous anti-microbial disinfectant solution for contact lenses contains an effective amount of an active ingredient which is an anti-microbial, organosilicon quaternary ammonium salt chemically bonded to a water soluble, high molecular weight organic polymer. The solution is non-toxic and non-irritating to the eye, and does not adsorb or penetrate into a contact lens.Type: GrantFiled: May 2, 1985Date of Patent: October 7, 1986Inventor: Richard F. Stockel
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Patent number: 4614766Abstract: Disclosed is a curable composition containing (1) a resin containing at least one air-oxidizable group and at least one epoxy group, and (2) a compound having in a molecule thereof at least one epoxy-reactive moiety and at least one silicon atom directly bonded to a group Y wherein Y represents a hydrolyzable group.Type: GrantFiled: September 27, 1985Date of Patent: September 30, 1986Assignee: PPG Industries, Inc.Inventors: Karl F. Schimmel, Paul J. Prucnal, Douglas R. Camp, John W. Tiedt
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Patent number: 4608421Abstract: New siloxane-polyesters, siloxane-ethers and siloxane-ether-polyesters, useful as powder coating resins, are prepared by reacting rigid diacids, neopentyl glycol, trimellitic anhydride with up to 90 percent hydroxyl functional silicone having about two .dbd.Si(R)--OH groups per molecule where R is lower alkyl or phenyl groups and the remaining silicon valences form ring-structured siloxanes. Improved powder properties, including crystallinity and tack temperatures of 50.degree.-90.degree. C., are believed to result in part from the rigidity provided by both the specific diacids and the cyclic silicones. The siloxane resins are hard at room temperature and can be powdered by methanical grinding. Powder coatings formulated from these resins are particularly suitable for coating metal and glass substrate.Type: GrantFiled: June 17, 1985Date of Patent: August 26, 1986Assignee: SCM CorporationInventor: Ju-Chui Lin
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Patent number: 4604443Abstract: Disclosed is an ungelled partial hydrolysis product of an organosilicon-containing material, a method for preparing the partial hydrolysis product, and a composition such as a coating composition containing the partial hydrolysis product. 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. The organosilicon-containing material for preparation of the ungelled partial hydrolysis product contains greater than or equal to 10 mole percent of at least one organosilane compound corresponding to the formula, R--Si--Y.sub.3. In the aforesaid formula, R represents hydrogen or a C.sub.1 -C.sub.10 group joined to Si through an Si--C linkage. Each Y in the aforesaid formula represents an easily hydrolyzable group.Type: GrantFiled: April 30, 1985Date of Patent: August 5, 1986Assignee: PPG Industries, Inc.Inventors: Wen-Hsuan Chang, Edward L. Dufford
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Patent number: 4598131Abstract: Disclosed is a composition containing a novel ungelled resin in combination with an effective amount of a cure-promoting catalyst selected from the group consisting of triflic acid (i.e., trifluoromethane sulfonic acid), a neutralization product of triflic acid with ammonia, a neutralization product of triflic acid with an amine, a tetraalkyl ammonium salt of triflic acid, and mixtures of one or more of the aforesaid catalysts. The composition 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 ungelled resin comprises 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.Type: GrantFiled: December 19, 1984Date of Patent: July 1, 1986Assignee: PPG Industries, Inc.Inventor: Paul J. Prucnal
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Patent number: 4594134Abstract: Provided is a method for preparing a spherical cured product having a diameter of 5 mm or less of a polymer or a polymer composition containing at least 10 wt % of the linear organopolysiloxane blocks represented by the following general formula (1), characterized by curing in an atomized state a curable polymer or a curable polymer composition containing at least 10 wt % of the linear organopolysiloxane blocks represented by the following general formula (1):--R.sub.2 SiO].sub.n (1)wherein R's are the same or different monovalent hydrocarbon groups and n is an integer of 5 or more.Type: GrantFiled: November 9, 1984Date of Patent: June 10, 1986Assignee: Toray Silicone Company, LimitedInventors: Tsuneo Hanada, Yoshitsugu Morita
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Patent number: 4588770Abstract: A silicone composition which is stable in the absence of moisture but which in the presence of water will cure at room temperature to an elastomer, comprising a polyorganosiloxane having reactive end groups, a polyester and a thickening filler.Type: GrantFiled: June 21, 1984Date of Patent: May 13, 1986Assignee: Bayer AktiengesellschaftInventors: Thomas Wurminghausen, Franz Saykowski, Hans Sattlegger
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Patent number: 4565846Abstract: A selective gas-permeable film comprising a crosslinked copolymer product of a bifunctional polyorganosiloxane and a mixture of a styrene polymer having an aromatic ring at the side chain thereof, a phenolic polymer having an aromatic ring at the main chain thereof or an addition polymer of a phenolic compound and a phenyl ether compound joined through methylene groups and a polymer having functional end hydroxyl groups. Alternatively, the copolymer product may be of the bifunctional polyorganosiloxane and the addition polymer alone.Type: GrantFiled: July 16, 1982Date of Patent: January 21, 1986Assignee: Matsushita Electric Industrial Company, LimitedInventors: Yukihiro Saito, Yoshimasa Ito, Shiro Asakawa
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Patent number: 4539379Abstract: A method is provided for making silicone-polyester block polymers comprising effecting reaction between an aminoalkylpolydiorganosiloxane and a polyester, such as a polyalkyleneterephthalate, under reduced pressure and under molten conditions.Type: GrantFiled: May 25, 1984Date of Patent: September 3, 1985Assignee: General Electric CompanyInventor: John E. Hallgren
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Patent number: 4536425Abstract: A method of preparing a polar thermoplastic resin having improved resistance to gas permeability is disclosed wherein a blend of the resin and coarse mica flakes having an average particle size of less than about 100 mesh is prepared, the blend being prepared under mixing conditions which impart a shear force to the mica flakes sufficient to delaminate the flakes into individual platelets, substantially increasing the original aspect ratio of the flakes whereby an increase in the gas barrier properties of the resin is attained greater than that attained with fine mica flakes having an average particle size greater than about 100 mesh.Type: GrantFiled: June 8, 1984Date of Patent: August 20, 1985Assignee: Continental Can CompanyInventor: Ihab M. Hekal
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Patent number: 4521461Abstract: Siloxane-polyester compositions comprising (1) a siloxane-polyester copolymer resin (2) one or more solvents for the siloxane-polyester copolymer, (3) a silane wherein one of the groups attached to silicon is an epoxy-substituted organic group, at least two of the remaining valencies of the silicon atom being satisfied by alkoxy or alkoxyalkoxy groups, and (4) a titanium chelate.The presence of (3) and (4) improves the rate of cure of the siloxane-polyester, and the compositions are useful for providing decorative and/or protective coatings on metals, plastics and other substrates.Type: GrantFiled: April 25, 1984Date of Patent: June 4, 1985Assignee: Dow Corning LimitedInventors: James McVie, Derek W. Butler
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Patent number: 4507469Abstract: A curable composition comprising an organic polymer containing at least one hydrolyzable a group attached to the silicon per polymer molecule and having a molecular weight within the range of 300 to 15,000, wherein a curing catalyst comprising tin II salt of organic carboxylic acid and/or lead II salt of organic carboxylic acid is used in combination with an acid material and/or a basic material, thereby unexpectedly improving the set resistance thereof. The composition may be utilized as a sealant which cures upon exposure to moisture to form a rubber like substance having improved set resistance.Type: GrantFiled: November 8, 1983Date of Patent: March 26, 1985Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Tetsuo Mita, Hirotazu Nakanishi, Junji Takase, Katsuhiko Isayama, Nobutaka Tani
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Patent number: 4496704Abstract: This invention provides for novel linear thermoplastic block copolyesters derived from dicarboxylic acids or dialkyl esters thereof, alkylene glycols and dihydroxy terminated polydimethylsiloxane block copolymers. Films, tapes, sheeting and other extruded and molded articles prepared from said copolyesters exhibit improved clarity and improved nonsticking properties.Type: GrantFiled: March 7, 1983Date of Patent: January 29, 1985Assignee: The Goodyear Tire & Rubber CompanyInventor: Paul R. Ginnings
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Patent number: 4480072Abstract: The solvent resistance, flexibility and hardness of various hydroxylated polymers is enhanced by crosslinking with alkyl silicates or their hydrolyzed condensates.Type: GrantFiled: August 30, 1983Date of Patent: October 30, 1984Assignee: Union Carbide CorporationInventor: Charles B. Mallon
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Patent number: 4472556Abstract: A method is disclosed for enhancing at least one of the mechanical properties of a partially crystalline thermoplastic by forming a dispersion of a polydiorganosiloxane within the thermoplastic, and extending the resultant dispersion. Ultimate tensile strength, modulus, and ultimate elongation can be enhanced in comparison with the same thermoplastic with no added polydiorganosiloxane and no extension.Type: GrantFiled: December 20, 1982Date of Patent: September 18, 1984Assignee: Dow Corning CorporationInventors: Jonathan Lipowitz, Robert E. Kalinowski
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Patent number: 4472465Abstract: Siloxane-polyester compositions comprising (1) a siloxane-polyester copolymer resin (2) a silane wherein one of the groups attached to silicon is an organic group containing at least one amino group, the remaining valencies of the silicon being satisfied by alkoxy, alkoxyalkoxy, methyl or phenyl groups there being present at least two alkoxy or alkoxyalkoxy groups, (3) a solvent for the siloxane-polyester copolymer and (4) a titanium chelate.The presence of (2) and (4) improves the rate of cure of the siloxane-polyester, and the compositions are useful for providing decorative and protective coatings on metals, plastics and other substrates.Type: GrantFiled: August 1, 1983Date of Patent: September 18, 1984Assignee: Dow Corning LimitedInventor: Peter M. Burrill
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Patent number: 4465712Abstract: Siloxane-polyester compositions comprising (A) a siloxane-polyester copolymer, (B) a solvent for the siloxane-polyester copolymer, (C) a silane wherein one of the groups attached to silicon contains at least one amino group and (D) a silane having 3 or 4 alkoxy or alkoxyalkoxy groups attached to silicon any remaining groups being hydrocarbon or hydrocarbon ether groups.The compositions may also contain a siloxane condensation catalyst and are useful for coating substrates such as metals and plastics.Type: GrantFiled: January 6, 1984Date of Patent: August 14, 1984Assignee: Dow Corning LimitedInventor: James McVie
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Patent number: 4465721Abstract: This invention is concern with a method of preparing a polycarbonate resin by passing a solution of dihydric phenol through a source of hydrogen and reacting the solution with carbon monoxide.This is a division of application Ser. No. 218,501, filed Dec. 22, 1980 and now U.S. Pat. No. 4,414,264 which is a continuation-in-part of application Ser. No. 32,663 filed Apr. 23, 1979 and now U.S. Pat. 4,243,779 .Type: GrantFiled: June 27, 1983Date of Patent: August 14, 1984Inventor: Roy E. McAlister
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Patent number: 4450266Abstract: A high molecular weight stabilized polymer composition containing p-polyphenylene sulfide and a siloxane.Type: GrantFiled: February 8, 1983Date of Patent: May 22, 1984Assignee: Bayer AktiengesellschaftInventors: Karsten Idel, Dieter Freitag, Josef Merten
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Patent number: 4444946Abstract: The invention relates to special stable dispersions which crosslink at room temperature upon exposure to moisture in the atmosphere. The dispersions comprise polysiloxanes, vinyl-grafted polysiloxanes and condensation products, e.g. by weight approximately comprisingI. 20-90% of at least one diorganopolysiloxane optionally terminated by OH,II. 5-85% of at least one aliphatic or mixed aliphatic/aromatic polycondensation product or polyaddition product, polyether, or vinyl polymer with a glass temperature T.sub.G of up to 40.degree. C. and/or a vinyl monomer-grafted derivative thereof, andIII. 5-85% of at least one organopolysiloxane modified by grafting with at least one vinyl monomer and comprising(A) 10-90% of a diorganopolysiloxane optionally terminated by OH,(B) 10-90% of polymerized units of at least one vinyl compound, and(C) 0-80% of at least one aliphatic or mixed aliphatic/aromatic polycondensation product or polyaddition product, polyether, or vinyl polymer with a glass temperature T.sub.Type: GrantFiled: January 29, 1982Date of Patent: April 24, 1984Assignee: Bayer AktiengesellschaftInventors: Heinrich Alberts, Hans Friemann, Hans-Heinrich Moretto, Hans Sattlegger
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Patent number: 4443581Abstract: Described herein are polyarylate molding compositions having improved notched izod impact values after molding, which composition comprises a blend of a polyarylate and a siloxane-polyarylene polyether block copolymer and/or a siloxane polycarbonate block copolymer.Type: GrantFiled: August 27, 1981Date of Patent: April 17, 1984Assignee: Union Carbide CorporationInventors: Lloyd M. Robeson, Markus Matzner
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Patent number: 4429082Abstract: Ungelled reaction products of a condensation product with an amino silane are formed. The products are capable of curing at a low temperature to form durable coatings. Polyols can optionally be blended with the ungelled reaction products to provide useful coating compositions.Type: GrantFiled: May 10, 1982Date of Patent: January 31, 1984Assignee: PPG Industries, Inc.Inventors: Kyu-Wang Lee, John R. Peffer, Robert Piccirilli, Wen-Hsuan Chang
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Patent number: 4414364Abstract: There are prepared polyester resins having the hydrogen end atoms replaced by halohydrogen carbon groups, halocarbon groups, or silane groups, and/or by a group having fluorescent properties.Type: GrantFiled: December 22, 1980Date of Patent: November 8, 1983Inventor: Roy E. McAlister
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Patent number: 4412032Abstract: Pigmented thermosetting organic solvent solution coating compositions are disclosed which cure to provide improved weather resistance.Type: GrantFiled: April 28, 1982Date of Patent: October 25, 1983Assignee: DeSoto, Inc.Inventors: Joseph E. Gaske, Thomas H. Plaisance, Kazys Sekmakas
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Patent number: 4408021Abstract: A water-activatable adhesive useful for adhering a solar film, polyester (polyethylene terephthalate) film, to glass. The adhesive comprises the reacted product of (A) gamma-isocyanatopropyltriethoxy silane, containing a free isocyanate (NCO) group, and (B) a thermoplastic polyester formed by reacting (i) a dibasic acid selected from the group consisting of terephthalic acid, isophthalic acid and hexahydrophthalic acid, and mixtures thereof, with (ii) a polymethylene glycol of the formula HO(CH.sub.2).sub.x OH where x is an integer from 2 to 10, neopentyl glycol and glycerin, and mixtures thereof, and (iii) an aliphatic dibasic acid selected from the group consisting of those having the formula HOOC(CH.sub.2).sub.n COOH where n is an integer from 1 to 8, and mixtures of such acids, whereby substantially no free NCO remains in the adhesive.Solar film is used for absorbing and/or reflecting solar radiation.Type: GrantFiled: August 12, 1981Date of Patent: October 4, 1983Assignee: Morton Thiokol, Inc.Inventor: Howard I. Penn
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Patent number: 4384070Abstract: Pigmented coating solutions are disclosed which deposit coatings possessing improved resistance to ultraviolet radiation-induced auto-oxidation. These solutions contain organic solvent, including aromatic hydrocarbon solvent, having dissolved therein an aromatic hydrocarbon-soluble, normally liquid, polysulfide or polydisulfide derivative having terminal -SH groups which have been reacted with a monofunctional reactant providing a C.sub.1 -C.sub.22 alkyl terminal group to provide an essentially nonreactive derivative. The solvent also has dissolved therein a polar polymeric binder (preferably thermosetting) which degrades by a photo-oxidative mechanism and which has only limited compatibility with the derivative. The pigment protects the bulk of a deposited coating, and the limited compatibility causes a heated film of the coating solution to stratify as the solvent evaporates to concentrate the derivative at the surface of the cured coating to protect the same.Type: GrantFiled: July 2, 1981Date of Patent: May 17, 1983Assignee: DeSoto, Inc.Inventors: Joseph E. Gaske, Thomas H. Plaisance, Hannu K. Pennanen
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Patent number: 4377659Abstract: By mixing and reacting an alkali metal silicate, a substituted monohydroxy organic compound and a polycarboxylic acid and/or polycarboxylic acid anhydride, polyester silicate resinous products are produced which may be utilized as molding powder, coating agent, etc.Type: GrantFiled: September 1, 1982Date of Patent: March 22, 1983Inventor: David H. Blount
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Patent number: 4370441Abstract: Pigmented thermosetting organic solvent solution coating compositions are disclosed which cure to provide improved weather resistance. These coating compositions contain three resin components, as follows:1- an essentially nonfunctional organic solvent-soluble silicone resin reaction product of a highly branched, low molecular weight hydroxy function polyester with an hydroxy or alkoxy-functional organic polysiloxane, the polysiloxane constituting from 8% to 20% of the three resin components, and the polyester and the polysiloxane being combined in approximately stoichiometric proportions;2- a reactive organic solvent-soluble essentially linear high molecular weight hydroxy functional polyester constituting the balance of the three resin components; and3- from 3% to 15% of the three resin components of a heterocyclic aminoplast resin for curing the reactive polyester.Type: GrantFiled: May 29, 1981Date of Patent: January 25, 1983Assignee: DeSoto, Inc.Inventors: Joseph E. Gaske, Thomas H. Plaisance, Kazys Sekmakas
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Patent number: 4370439Abstract: A method is provided for producing a more stable emulsion of a polyester resin having carboxyl functionality and an amino-functional silane coupling agent that is incorporated into a sizing composition for treating glass fibers. The method involves reacting the polyester resin having carboxyl functionality with the amino-functional silane at ambient temperatures and atmospheric pressure then diluting the reaction product of the polyester resin and silane to obtain a more stable emulsion. The emulsion is then incorporated into a sizing composition by the addition of typical sizing additives to produce a more stable sizing composition.Type: GrantFiled: March 22, 1979Date of Patent: January 25, 1983Assignee: PPG Industries, Inc.Inventors: Carl A. Melle, Donald E. McWilliams, Balbhadra Das
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Patent number: 4368294Abstract: Organopolysiloxane modified organic polymers are prepared by reacting organic polymers containing C-bonded hydroxyl groups with organopolysiloxanes containing Si-bonded hydroxyl groups and/or alkyl groups which are bonded to silicon via oxygen in the presence of water in excess of any formed during the reaction.Type: GrantFiled: February 27, 1981Date of Patent: January 11, 1983Assignee: Wacker-Chemie GmbHInventors: Bernward Deubzer, Josef Esterbauer, Christian Solbrig, Volker Frey
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Patent number: 4348510Abstract: This invention provides for novel linear thermoplastic block copolyesters derived from dicarboxylic acids or dialkyl esters thereof, alkylene glycols and dihydroxy terminated polydimethylsiloxane block copolymers. Films, tapes, sheeting and other extruded and molded articles prepared from said copolyesters exhibit improved clarity and when tested in accordance with ASTM test method D-1894 exhibit improved nonsticking properties.Type: GrantFiled: June 12, 1981Date of Patent: September 7, 1982Assignee: The Goodyear Tire & Rubber CompanyInventors: Max H. Keck, Paul R. Ginnings
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Patent number: 4346185Abstract: Alkali metal unsaturated polyester silicate resinous products are produced by mixing a polyhydroxy organic compound, an alkali metal silicate and an unsaturated polycarboxylic acid, then heating the mixture to a temperature between the melting point of the polycarboxylic acid and the boiling temperature of the polyol while agitating until the reaction is complete. The products may be used in laminates and as coating agents.Type: GrantFiled: July 6, 1981Date of Patent: August 24, 1982Inventor: David H. Blount
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Patent number: 4340520Abstract: This invention relates to the treatment of glass fibers and to compositions suitable for use in the treatment of glass fibers which comprise acid salts of polyester aminoorganosilanes and polyalkylene oxide polymers.Type: GrantFiled: January 21, 1981Date of Patent: July 20, 1982Assignee: Union Carbide CorporationInventors: James G. Marsden, Enrico J. Pepe
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Patent number: 4336358Abstract: A graft copolymer comprising (I) as a first polymeric moiety an organopolysiloxane with OH functional groups, (II) as a second polymeric moiety a polyester-urethane and, (III) units of vinyl monomers, units of the first and second polymeric moieties being linked via vinyl polymer bridges, all these units having been polymerized in the presence of mixtures of the first and second polymeric moieties, is produced by polymerizing a suitable monomer dispersion. The product is suited for replacing all or some of the organopolysiloxane component in room temperature curable compositions containing organopolysiloxanes, silane cross-linking agents and a curing catalyst.Type: GrantFiled: November 14, 1980Date of Patent: June 22, 1982Assignee: Bayer AktiengesellschaftInventors: Heinrich Alberts, Hans Friemann, Hans Sattlegger, Hans-Heinrich Moretto
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Patent number: 4330446Abstract: A silica complex composition suitable for the surface treatment of metals is disclosed, which comprises a water dispersible silica, an organic polymer soluble or dispersible in water and a di- or trialkoxy (or alkoxy-alkoxy) silane compound.Type: GrantFiled: May 17, 1979Date of Patent: May 18, 1982Assignee: Kansai Paint Co., Ltd.Inventor: Yoshiaki Miyosawa
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Patent number: 4320172Abstract: The invention provides a novel in-process release paper, i.e. a release paper used as a backing paper in the manufacturing of, e.g. a synthetic leather with a polyurethane resin. The releasing resin composition with which the release paper is coated is novel as comprising (a) a base resin selected from the group consisting of alkyd resins and acrylic resins modified with an organopolysiloxane, of which from 15 to 50% by moles of the organic groups directly bonded to the silicon atoms in a molecule are phenyl groups, having at least one hydroxy-substituted organic group directly bonded to the silicon atom in a molecule, (b) an alkanol-modified amino resin and (c) an acidic catalyst. The inventive in-process release paper is very superior to the conventional ones in the very much reduced peeling resistance, increased surface gloss and durability in repeated use.Type: GrantFiled: July 1, 1980Date of Patent: March 16, 1982Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Minoru Takamizawa, Toshio Shinohara, Yasushi Yamamoto, Tasuku Tanino, Kiyoyuki Takano, Fumiaki Mori
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Patent number: 4306056Abstract: Processes for producing an oligoester and producing unsaturated polyester resin by use of the oligoester using unsaturated dibasic acid or its anhydride and isophthalic acid as dibasic acid components, and propylene oxide as a polyol component, characterized by (a) the step of reacting isophthalic acid with propylene oxide in the presence of an amine compound catalyst to form an oligoester, (b) the step of removing volatile components from the oligoester by heating it at a temperature range of 180.degree.-300.degree. C., (c) the step of treating the resulting oligoester with silica-alumina compound having adsorbing property, and (d) the step of reacting the oligoester so treated with the unsaturated dibasic acid or its anhydride.Type: GrantFiled: May 16, 1980Date of Patent: December 15, 1981Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Akira Miyamoto, Senzo Shimizu, Fumitaka Satoh, Yasumitsu Higuchi, Toshiyuki Abe, Kohji Yamamoto
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Patent number: 4294938Abstract: Polyalkylene terephthalate molding blends with ionic hydrocarbon polymers as toughening agents are protected against thermal degradation and discoloration by the presence of a selected silicone resin.Type: GrantFiled: February 15, 1980Date of Patent: October 13, 1981Assignee: E. I. Du Pont de Nemours and CompanyInventors: Charles E. Berr, Edward J. Deyrup
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Patent number: 4289859Abstract: Phenyl containing siloxane fluids are added to transparent thermoplastic polymers to give transparent thermoplastics having improved internal lubrication. For example, PhSi(OMe).sub.3 is equilibrated with (Me.sub.2 SiO).sub.x to give a fluid containing 28 percent by weight phenyl radicals, a PhSiO.sub.3 /2 to Me.sub.2 SiO ratio of 0.72 and an OMe to Si ratio of 0.78. This fluid was added to polystyrene in amount of 1 percent by weight to give a transparent plastic which exhibits no bleed and had excellent surface lubricity.Type: GrantFiled: June 2, 1980Date of Patent: September 15, 1981Assignee: Dow Corning CorporationInventors: Robert E. Kalinowski, Gary A. Vincent
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Patent number: 4287109Abstract: The instant invention relates to an aqueous silicone polyester resin system having a silicone content of at least 30% by weight, based on the solid binder, comprising a polyester resin having an acid number of from 50 to 170; a silicone precondensate with SiOH or SiOR-functionality; or a silicone-polyester-combination resin; having from 0 to 80% by weight, based on the solid binder, of an organic solvent; from 0 to 10% by weight, based on the solid binder, of an emulsion or dispersion auxiliary; a nitrogen base; and optionally at least one pigment or filler.The invention relates also to the production of the silicone polyester-resin system and to the use of the resin in aqueous lacquer materials.Type: GrantFiled: August 10, 1979Date of Patent: September 1, 1981Assignee: Bayer AktiengesellschaftInventors: Ottfried Schlak, Hans-Heinrich Moretto, Werner Clarenz, Bernd Peltzer, Willi Burgmer
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Patent number: 4282129Abstract: A stable polyol-alkali metal silicate emulsion is produced by mixing an aqueous solution of an alkali metal silicate or alkali metal metasilicate pentahydrate, a liquid polyol and a small amount of an acid while heating the mixture to 40.degree. to 100.degree. C. and agitating until the mixture emulsifies.Type: GrantFiled: September 29, 1980Date of Patent: August 4, 1981Inventor: David H. Blount
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Patent number: 4278783Abstract: A method is herein disclosed for curing an organoalkoxysilane compound characterized by using as a catalyst at least one compound selected from the group consisting of a phosphite of the formula:(RO).sub.n P--OH).sub.3-nand a phosphate of the formula: ##STR1## (wherein R is an alkyl group having 1 to 4 carbon atoms and/or an aromatic group; n is an integer of 1 or 2).Type: GrantFiled: September 4, 1979Date of Patent: July 14, 1981Assignee: Mitsubishi Gas Chemical Company Inc.Inventors: Susumu Taniyama, Goro Shimaoka, Shoichi Inoue
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Patent number: 4278574Abstract: Paint binders having an intrinsic viscosity of from 8-15 ml/g which are water soluble upon neutralization with bases comprising the condensation reaction product of(A) 50-85% by weight of a polyester resin modified with 5-40% by weight of a polysiloxane of the general formula ##STR1## wherein R is an alkyl, cycloalkyl, aryl or alkoxy radical,R.sub.1 is hydrogen or an alkyl radical andn is an integer of from 0-40;said modified polyester having a hydroxyl number of from about 50-400 mg KOH/g, an acid value of below about 10 mg KOH/g, and an intrinsic viscosity of from about 6-11 ml/g, measured in dimethylformamide at 20.degree. C.; and(B) 15-50% by weight of a film forming resin containing carboxyl groups to provide an acid value of from about 100-300 mg KOH/g and an intrinsic viscosity of from about 5-9 ml/g, measured in dimethylformamide at 20.degree. C.; the ratio of the intrinsic viscosity values of components (A) and (B) being governed by the relation.eta.A/.eta.B=1.2 to 2.2.Type: GrantFiled: December 19, 1978Date of Patent: July 14, 1981Assignee: Vianova Kunstharz, A.G.Inventors: Gert Dworak, Hansjorg Aigner
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Patent number: 4273694Abstract: This invention relates to time-stable strong mineral acid salts of polyester aminoorganosilanes.Type: GrantFiled: April 1, 1980Date of Patent: June 16, 1981Assignee: Union Carbide CorporationInventors: Enrico J. Pepe, James G. Marsden
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Patent number: 4265801Abstract: The invention relates to novel melt processable polymer compositions which comprise a blend of non-silicone polymer and a monoorganic polysiloxane resin. Such compositions are useful inter alia as flameproof and moisture resistant coating compositions and in the product of heat shrinkable silicone elastomer compositions.Type: GrantFiled: July 17, 1978Date of Patent: May 5, 1981Assignee: Raychem LimitedInventors: Anthony G. Moody, Richard J. Penneck
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Patent number: 4241116Abstract: A method of treating the surface of a shaped article of a polycarbonate resin, which comprises coating the shaped article of the polycarbonate resin with a specific pre-treating solution (I), air-drying the coated article, then coating the article with a specific coating composition (II), and heat-curing the coated article. The pre-treating solution (I) contains a bisphenol type epoxy resin in a mixed solvent of a lower alcohol and an alkyl ether of ethylene glycol, and the coating composition (II) comprises (A) a reaction mixture of an aminoalkylalkoxy silane of the formula (1) with an epoxyalkylalkoxy silane of the formula (2); (B) a mixture of an alkyl-modified methylol melamine of the formula (3) with an alkyd resin; and (C) an acrylic acid derivative of the formula (5) or its polymer of a low degree of polymerization, the formulas (1), (2), (3) and (5) being given in the claim.Type: GrantFiled: September 17, 1979Date of Patent: December 23, 1980Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Susumu Taniyama, Goro Shimaoka, Shoichi Inoue