From Two Or More Carboxylic Acids Or Derivatives Thereof Patents (Class 525/174)
-
Patent number: 5051334Abstract: An integral three dimensional object is formed from a photohardenable liquid composition containing radiation deflecting matter which is a thermal insulator and having a different index of refraction from the liquid.Type: GrantFiled: April 21, 1989Date of Patent: September 24, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventor: Roxy N. Fan
-
Patent number: 5039339Abstract: Disclosed is a novel blend of a water-dissipatable polyester material and an acrylic polymer. The acrylic polymer must be compatible with the polyester and can be optionally styrenated. The polyester is exemplified in having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-soldiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 44 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance and water resistance.Type: GrantFiled: September 7, 1990Date of Patent: August 13, 1991Assignee: Eastman Kodak CompanyInventors: Hieu D. Phan, Gary W. Carrier, Rebecca R. Stockl, Frank J. Tortorici, R. Gary Wulf
-
Patent number: 5039744Abstract: Molding compositions having improved flexibility are made from blends of segmented copolyester elastomers and copolymers of ethylene and ethyl acrylate.Type: GrantFiled: May 11, 1989Date of Patent: August 13, 1991Assignee: Hoechst Celanese CorporationInventor: Michael D. Golder
-
Patent number: 5001192Abstract: A polymeric polyblend composition comprising a vinylidene chloride interpolymer, polyvinylchloride, and a compatibilizing amount of a compatabilizing polymer, said polymers being miscible.Type: GrantFiled: November 9, 1988Date of Patent: March 19, 1991Assignee: The Dow Chemical CompanyInventor: Yun C. Sun
-
Patent number: 4996262Abstract: It is often desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for modifying rubbers to improve their modulus without sacrificing other properties. By utilizing the process of this invention, rubber compositions having increased modulus are prepared by grafting polyester onto rubber. This can be accomplished by reacting a polydiene rubber with a thioacid or maleic anhydride and subsequently with the polyester. It is also possible to prepare such polyester modified rubber compositions by reacting an epoxidized rubber with the polyester.Type: GrantFiled: March 27, 1989Date of Patent: February 26, 1991Assignee: The Goodyear Tire & Rubber CompanyInventors: James B. Pyke, Richard G. Bauer, Donald J. Burlett
-
Patent number: 4996252Abstract: Disclosed is a novel blend of a water-dissipatable polyester material and an acrylic polymer. The acrylic polymer must be compatible with the polyester and can be optionally styrenated. The polyester is exemplified in having an acid component of from about 70 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance and water resistance.Type: GrantFiled: July 28, 1988Date of Patent: February 26, 1991Assignee: Eastman Kodak CompanyInventors: Hieu D. Phan, Gary W. Carrier, Rebecca R. Stockl, Frank J. Tortorici, R. Gary Wulf
-
Patent number: 4992506Abstract: Molding compositions comprise a copolyetherester (A), (B) an aromatic thermoplastic polyester and a multistage rubbery elastomer (C) comprising a crosslinked (meth)acrylate phase and an interpenetrating, crosslinked styrenic phase and optionally, a mineral filler (D). Such compositions are useful for making molded articles with a good balance of modulus and elongation properties.Type: GrantFiled: December 2, 1988Date of Patent: February 12, 1991Assignee: General Electric CompanyInventors: Michael R. McCormick, Thomas A. Morelli, Warren J. Peascoe, Stefan F. Rasch, John A. Tyrell, May T. Wong
-
Patent number: 4981908Abstract: Blends of 20-99 parts by weight of a multi-block copolyester thermoplastic elastomer melting above 100.degree. C. with 80-1 parts by weight of a polyacrylate elastomer.Type: GrantFiled: February 2, 1988Date of Patent: January 1, 1991Assignee: E. I. Du Pont De Nemours and CompanyInventor: James R. Wolfe, Jr.
-
Patent number: 4902771Abstract: An imido-modified unsaturated polyester resin composition comprising an imido-modified unsaturated polyester obtainable by reacting an animal or vegetable fat and oil or a fatty acid thereof, an imido alcohol obtainable from a primary amino-alcohol and a polybasic acid anhydride, a polyhydroxy alcohol, and a polybasic acid in such a manner that the imido alcohol is used in an amount of 10 to 60% equivalent amount based on the alcoholic components; and a polymeric monomer.In one of the preferred embodiments, the composition according to the present invention further contains an inorganic filler.According to the present invention, there can be provided resin composition in which the compatibility under heat deterioration when used in enamelled wires has been improved, while maintaining excellent electrical and mechanical properties.Type: GrantFiled: August 23, 1988Date of Patent: February 20, 1990Assignee: Hitachi Chemical Company, Ltd.Inventors: Yasuo Sugawara, Yuuji Aimono, Hatuo Sugitani
-
Patent number: 4845188Abstract: A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding grade linear or unsaturated polyester or polycarbonate having reacted or copolymerized therein the residue of one or a mixture of methine reactants of the formula ##STR1## whereinR.sup.1 is an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;A is an unsubstituted or substituted 1,4-phenylene radical;R.sup.2 is hydrogen or an unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl radical;R.sup.3 is cyano, ##STR2## or an unsubstituted or substituted carbamoyl, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, aryl or aromatic heterocyclic radicals. The methine residues are present in the polymer as an integral part of the polymer chain and absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.Type: GrantFiled: August 19, 1988Date of Patent: July 4, 1989Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, Wayne P. Pruett, Samuel D. Hilbert, Clarence A. Coates, Jr.
-
Patent number: 4843124Abstract: A thermoplastic elastomer blend of 15-90 parts of a continuous matrix of a thermoplastic elastomeric copolyester having a melting point of 100.degree.-200.degree. C. and 10-85 parts of crosslinked polychloroprene present in the form of finely divided particles.Type: GrantFiled: June 3, 1987Date of Patent: June 27, 1989Assignee: E. I. Du Pont de Neumours and CompanyInventor: James R. Wolfe, Jr.
-
Patent number: 4826921Abstract: A coating composition comprising an anhydride polymer (A) containing at least two cyclic carboxylic acid anhydride functional groups and a polymer (B) containing at least two functional groups reactive with anhydride groups and selected from hydroxyalkylamino, hydroxyalkoxyalkylamino, hydroxysubstituted acyloxyalkylamino, hydroxysubstituted polyacyloxyalkylamino, mercaptoalkylamino and oxazolidino groups. One of the polymers (A) and (B) comprises at least one flexible polymer chain selected from polyether, polyester, silicone, diene polymer, hydrogenated diene polymer, polyurethane, polyisobutylene and polyacrylate chains. The functional groups characteristic of that polymer are each present as a terminal group at the end of a flexible polymer chain.Type: GrantFiled: September 2, 1987Date of Patent: May 2, 1989Assignee: International Paint public limited companyInventors: Adrian F. Andrews, Nicholas S. Hugh, Michael J. Nunn
-
Patent number: 4820763Abstract: A polyblend of poly(vinyl chloride) ("PVC") and a copolyester ("CPE") consists essentially of three components in a structure --(MR).sub.x --(MQ).sub.y -- wherein (MR).sub.x represents an ester segment with a repeating unit of mol wt 204 or 220, (MQ).sub.y an ester segment consisting of a residue of a polyester diol, so that the CPE is non-elastomeric and has a m p in the range from above 170.degree. C. to about 220.degree. C. Then the CPE provides a limited plasticizing function in PVC when the CPE is used in the range from about 30 to about 70 parts by wt based on 100 parts of the polyblend. The lack of a typical plasticizing function is evidenced by a relatively flat modulus curve, preferably one having a slope less than 1.2.times.10.sup.5 psi per unit weight of PVC in the polyblend.Type: GrantFiled: April 14, 1987Date of Patent: April 11, 1989Assignee: The B. F. Goodrich CompanyInventor: Wei-Yeih Yang
-
Patent number: 4806588Abstract: A polyester resin composition which comprises(A) polyethylene terephthalate or a copolyester containing at least 80 mol % of ethylene terephthalate repeating unit.(B) a metal salt of a copolymer composed of .alpha.-olefin and .alpha.,.beta.-unsaturated carboxylic acid,(C) a polyvalent oxazoline compound of the formula: ##STR1## wherein R is an aliphatic or aromatic hydrocarbon group such as alkylene or arylene having 1 to 24 carbon atoms optionally substituted with lower alkyl having 1 to 6 carbon atoms or aryl having 6 to 19 carbon atoms; n is 0 or 1; X and Y are hydrogen or 2-oxazoline group, when n is 1, or no X and Y are present, when n is 0; and all oxazoline may be substituted with lower alkyl having 1 to 6 carbon atoms or aryl having 6 to 19 carbon atoms, and optionally(D) a polyester elastomer.Type: GrantFiled: April 6, 1987Date of Patent: February 21, 1989Assignee: Toyo Boseki Kabushiki KaishaInventors: Susumu Fujimoto, Shigeo Kobayashi
-
Patent number: 4806618Abstract: Novel aromatic polyethers excellent in heat resistance and soluble in various organic solvents are obtained by introducing 9,9-biphenylfluorene group, optionally together with another divalent aromatic group, into the structural units of a polyether derived from either diphenyl ketone or diphenyl sulfone.Type: GrantFiled: November 2, 1987Date of Patent: February 21, 1989Assignee: Central Glass Company, LimitedInventors: Yoshio Imai, Masaaki Kakimoto, Yutaka Maruyama, Toshio Koishi
-
Patent number: 4788255Abstract: A thermosetting powder coating composition which has good handling properties and which has a good blend of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of an acid group-containing acrylic polymer; an aliphatic dicarboxylic acid containing from 4 to 20 carbon atoms per molecule and/or a polymeric polyanhydride and a beta-hydroxy alkylamide crosslinking agent.Type: GrantFiled: October 9, 1987Date of Patent: November 29, 1988Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Marvin L. Kaufman
-
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
-
Patent number: 4753980Abstract: Toughened thermoplastic polyester compositions comprising 60-97 weight % of a polyester matrix resin and 3-40 weight % of an ethylene copolymer such as ethylene/methylacrylate/glycidyl methacrylate.Type: GrantFiled: November 14, 1986Date of Patent: June 28, 1988Assignee: E. I. Du Pont de Nemours & CompanyInventor: Edward J. Deyrup
-
Patent number: 4725647Abstract: Described herein is a process for preparing polyesters which comprises reacting a dihydric phenol with a diester derivative of an aromatic diacid in the presence of from about 10 to about 60 weight percent of a processing aid having a boiling point of greater than about 200.degree. C., under polyester forming conditions.Type: GrantFiled: November 8, 1984Date of Patent: February 16, 1988Assignee: Amoco CorporationInventors: Louis M. Maresca, Markus Matzner
-
Patent number: 4720524Abstract: An adhesive resin composition is described, comprising: (A) a thermoplastic copolyester resin prepared from (1) a dicarboxylic acid component comprising from 40 to 100 mol % of terephthalic acid and from 0 to 60 mol % of other aromatic dicarboxylic acid and (2) a low molecular weight glycol component comprising from 40 to 100 mol % of 1,4-butanediol and from 0 to 60 mol % of diethylene glycol or 1,6-hexanediol and further from 0 to 10 mol %, based on the total carboxylic acid, of polytetramethylene glycol having a molecular weight of from 600 to 6,000, which has a melting point of from 90.degree. to 160.degree. C. and a reduced viscosity of at least 0.5; and (B) an ethylene copolymer having at least one functional group selected from an epoxy group, a carboxylic acid group, and a dicarboxylic anhydride gruop; and if desired, (C) a thermoplastic resin other than the resin (A), and if further desired, (D) a polyfunctional epoxy compound.Type: GrantFiled: August 27, 1986Date of Patent: January 19, 1988Assignees: Sumitomo Chemical Company, Ltd., Toyobo Co., LtdInventors: Tadayuki Ohmae, Mitsuyuki Okada, Hiroshi Nagai, Yutaka Mizumura
-
Patent number: 4708985Abstract: The invention relates to a hydrophilic moulding compound of homopolyester and/or copolyester which contains 1 to 20 percent by weight of an alkaline and/or alkaline-earth salt of salt-forming polymer and/or copolymers from ethylenic unsaturated monomers as finely dispersed filling material, having in particualr a maximum particle size of 1 um, the salt-forming polymers being composed in particular of the following single monomers or mixtures thereof: vinyl-sulfonic acid, acrylamidoalkylene-sulfonic acid, sulfonated styrene, acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, vinyl-phosphonic acid, monoalkyl ester of maleic acid, monoalkyl ester of fumaric acid.The invention also relates to a process according to which the salts are preferably added to the polycondensation mixture of the polyester starting materials before and/or during poly-condensation as a suspension in polyhydric alcohol.Type: GrantFiled: March 22, 1982Date of Patent: November 24, 1987Assignee: Akzona IncorporatedInventors: Michael Diamantoglou, Helmut Magerlein, Walter Brodowski, Wolfgang Grimm, Gerhard Meyer
-
Patent number: 4670510Abstract: An improved polyester type block copolymer composition having a rubber-like elasticity, particularly having excellent moldability, which comprises a polyester type block copolymer produced from a crystalline aromatic polyester and a lactone in melt-admixture with a carboxylic acid compound selected from an ethylene-carboxylic acid copolymer and an aliphatic carboxylic acid metal salt.Type: GrantFiled: August 1, 1985Date of Patent: June 2, 1987Assignee: Toyo Boseki Kabushiki KaishaInventors: Takuma Kobayashi, Hironobu Kitagawa, Shigeo Kobayashi
-
Patent number: 4652608Abstract: Polyarylate polymers derived from (A) substituted phenolphthalein compounds or mixtures of these compounds with other bisphenols, and (B) a mixture of isophthalic and terephthalic acid. Also disclosed are polyarylate alloy compositions comprising a phenolphthalein polyarylate and a polymer resin selected from polybisphenol A carbonate and polystyrene.Type: GrantFiled: December 28, 1984Date of Patent: March 24, 1987Assignee: Chevron Research CompanyInventor: Phillip H. Parker
-
Patent number: 4584335Abstract: Polyarylate polymers derived from (A) mixtures of 5-keto-bis(hydroxyphenyl)anthracene compounds with other bisphenols and (B) a mixture of isophthalic and terephthalic acid. Also disclosed are polyarylate alloy compositions comprising a 5-keto-bis(hydroxyphenyl)anthracene polyarylate and a polymer resin selected from polybisphenol A carbonate and polystyrene.Type: GrantFiled: December 28, 1984Date of Patent: April 22, 1986Assignee: Chevron Research CompanyInventor: Phillip H. Parker
-
Patent number: 4558096Abstract: This invention specifically relates to blends of grossly incompatible polymers (polyethylene terephthalate and rubber) which are blended with a dispersion stabilizer (compatibilizing agent) to obtain optimum properties, particularly impact strength. The dispersion stabilizers disclosed herein are alkenyl succinic anhydrides wherein said alkenyl group contains from 8 to 30 carbon atoms; alkyl succinic anhydrides wherein said alkyl group contains from 8 to 30 carbon atoms; and dimers, oligomers, and polymers of the structural formula: ##STR1## wherein x and y are integers, wherein R and Z can be the same or different, wherein R and Z are selected from the group consisting of alkyl moieties containing from 1 to 30 carbon atoms, alkenyl moieties containing from 2 to 30 carbon atoms, and hydrogen, wherein the total number of carbon atoms in R and Z is between 8 and 30, and wherein the indicates that the repeat units can be distributed in any order.Type: GrantFiled: June 4, 1984Date of Patent: December 10, 1985Assignee: The Goodyear Tire & Rubber CompanyInventors: Wyndham H. Boon, James N. Henderson
-
Patent number: 4520168Abstract: Color improved polyarylates having a reduced viscosity of from about 0.1 to greater than 1.0 dl/gm produced by a process comprising the following steps:(a) reacting an acid anhydride derived from an acid containing from 2 to 8 carbon atoms with at least one dihydric phenol to form the corresponding diester; and(b) reacting said diester with at least one aromatic dicarboxylic acid at a temperature sufficient to form the polyarylate, wherein the improvement comprises carrying out said process in the presence of a particular solid adsorbent.Type: GrantFiled: March 27, 1984Date of Patent: May 28, 1985Assignee: Union Carbide CorporationInventors: James H. Kawakami, Benito See, Thomas R. Jones, Louis M. Maresca
-
Patent number: 4442266Abstract: A process of melt spinning polypropylene the improvement comprising adding to the polypropylene before it is melt spun, a small proportion of a polymer capable of forming an anisotropic melt in the temperature range at which the polypropylene may be melt spun and then melt spinning the polymers together at a wind up speed of less than 1000 meters per minute whereby in the process there is a suppression of wind up speed compared with the process carried out in the absence of the added polymer.Type: GrantFiled: May 29, 1981Date of Patent: April 10, 1984Assignee: Imperial Chemical Industries LimitedInventor: Harry Brody
-
Patent number: 4439586Abstract: An improved process for preparing a polyarylate having a reduced viscosity of from about 0.1 to greater than 1.0 dl/gm comprising the following steps:(a) reacting an acid anhydride derived from an acid containing from 2 to 8 carbon atoms with at least one dihydric phenol to form the corresponding diester; and(b) reacting said diester with at least one aromatic dicarboxylic acid at a temperature sufficient to form the polyarylate, wherein the improvement comprises carrying out said process in the presence of a particular solid adsorbent.Type: GrantFiled: June 30, 1982Date of Patent: March 27, 1984Assignee: Union Carbide CorporationInventors: James H. Kawakami, Benito See, Thomas R. Jones, Louis M. Maresca
-
Patent number: 4388446Abstract: Thermoplastic compositions comprising, in intimate admixture, 10 to 90 weight percent of polyethylene terephthalate and from 90 to 10 percent of a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic imide. These compositions display desirable thermal properties, particularly elevated heat deflection temperatures.Type: GrantFiled: September 14, 1981Date of Patent: June 14, 1983Assignee: Ethyl CorporationInventors: Edwin D. Hornbaker, Jesse D. Jones
-
Patent number: 4386186Abstract: Described herein is an improved process for preparing a polyarylate having a reduced viscosity of from about 0.1 to greater than 1.0 dl/gm which process comprises the following steps:(a) reacting an acid anhydride derived from an acid containing from 2 to 8 carbon atoms with at least one dihydric phenol to form the corresponding diester; and(b) reacting said diester with at least one aromatic dicarboxylic acid at a temperature sufficient to form the polyarylate, wherein the improvement comprises carrying out said process in the presence of at least one thermoplastic polymer. Also described herein are the products produced by said process.Type: GrantFiled: March 29, 1982Date of Patent: May 31, 1983Assignee: Union Carbide CorporationInventors: Louis M. Maresca, Markus Matzner
-
Patent number: 4373047Abstract: Normally flammable polyester resins (a) are rendered flame-retardant with reduced blooming or plate out tendencies and without loss in toughness or other properties in combination with (b) a flame retardant amount of decabromodiphenyl ether and (c) a flame-retardant synergist compound, by including a small amount of (d) an olefin polymer and/or an olefin copolymer. The compositions, which are useful per se for molding, extrusion, and the like, are, in addition, described in impact modified resin compositions and filled and/or reinforced modifications.Type: GrantFiled: November 26, 1980Date of Patent: February 8, 1983Assignee: General Electric CompanyInventors: Stuart C. Cohen, Ronald L. Dieck
-
Patent number: 4367315Abstract: An improved fire retardant polyester polymer system and composition comprising an interpolymer of a reaction product of hexachlorocyclopentadiene, a polyhydric alcohol, a carboxylic acid containing aliphatic carbon-to-carbon unsaturation, a styrene-type monomer, maleic acid or anhydride and a copolymerizable brominated neopentylacrylate comonomer.Type: GrantFiled: January 29, 1981Date of Patent: January 4, 1983Assignee: Occidental Chemical CorporationInventors: Paul Zwaenepoel, Guido Strzelbicki, Daniel J. Scharf, George M. Wagner
-
Patent number: 4331782Abstract: The present invention is an improvement in a method for making a phenol-functional polyester polymer wherein a hydroxybenzoic acid, a polyol, and a dicarboxylic acid are subjected to a polyesterification reaction under polyesterification conditions to make said polymer. The improvement comprises conducting the reaction in two stages, the first stage comprising the formation of an ester-alcohol adduct between said hydroxybenzoic acid and an epoxy compound wherein the ratio of carboxyl groups from said hydroxybenzoic acid to said oxirane groups of said epoxy compound is about 1:1. The second stage of the improvement comprises conducting the polyesterification reaction with said adduct.Type: GrantFiled: March 5, 1981Date of Patent: May 25, 1982Assignee: Ashland Oil, Inc.Inventor: Gary L. Linden
-
Patent number: 4320045Abstract: A resin molding composition comprising a thermoplastic polymer, a monomer and an unsaturated polyester which is the reaction product of at least one polyol having at least two, but not more than four hydroxyl groups, the polyols comprising not less than about 48% of the weight of the reactants forming the polyester.Type: GrantFiled: April 10, 1981Date of Patent: March 16, 1982Assignee: Owens-Corning Fiberglas CorporationInventor: Gwilym Owen
-
Patent number: 4317764Abstract: A polybutylene terephthalate homopolymer or copolymer molding blend having good impact resistance is obtained by incorporating into the resin a selected organic compound and an ethylene polymer.Type: GrantFiled: April 10, 1981Date of Patent: March 2, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: M. Lana Sheer
-
Patent number: 4299934Abstract: Hot melt adhesive compositions having low melt viscosity and high adhesive strength are disclosed. The compositions include polyesters comprising 1,6-hexanediol and terephthalic acid, blended with a polymeric material comprising a vinyl aromatic polymer derived from a monomer of the formula ##STR1## wherein R is hydrogen or an alkyl group containing 1 to 4 carbon atoms and R.sub.1 is hydrogen, chlorine, alkyl from 1 to 4 carbon atoms or phenyl.Type: GrantFiled: October 2, 1980Date of Patent: November 10, 1981Assignee: Eastman Kodak CompanyInventors: Frederick D. Petke, Richard L. McConnell
-
Patent number: 4268570Abstract: Metal-coated plastic product which comprises a molded product of a mixture of 95 to 20% by weight of a polyester block copolymer and 5 to 80% by weight of a copolymer comprising an acrylic monomer, butadiene and styrene and a layer of a metallic coating which is provided optionally via a layer of an adhesive, and optionally a layer of a top coating. Said metal-coated plastic product has excellent properties such as excellent stiffness, plasticity, processability, and further beautiful and gloss appearance and is useful as a substitute of metallic products.Type: GrantFiled: July 6, 1979Date of Patent: May 19, 1981Assignee: Toyo Boseki Kabushiki KaishaInventors: Hiroshi Imanaka, Yoshihiko Kijima
-
Patent number: 4217426Abstract: Semi-crystalline polyester/low viscosity polyethylene melt blends, which are non-tacky and non-blocking and are more readily grindable by cryogenic grinding techniques, for providing powders suitable for powder adhesives particularly useful for fusible interlinings or for providing powder coating materials.Type: GrantFiled: January 19, 1979Date of Patent: August 12, 1980Assignee: Eastman Kodak CompanyInventors: Richard L. McConnell, Doyle A. Weemes
-
Patent number: 4212791Abstract: Compositions comprising poly(alkylene terephthalate), an inert particulate nucleating agent, an oligomeric polyester crystallization promoter, and a segmented thermoplastic copolyester-ether elastomer are disclosed as having improved crystallization behavior and surface appearance. Methods of increasing the crystallization rate of poly(alkylene terephthalate) are also disclosed.Type: GrantFiled: February 23, 1979Date of Patent: July 15, 1980Assignee: Rohm and HaasInventors: Noyes L. Avery, William J. Work
-
Patent number: 4181638Abstract: A low molecular weight polyester resin is made by condensation reaction of particular polyols and carboxylic acids in a reaction mixture having excess hydroxyls and a system functionality between about 1.6 and 1.8. In one embodiment, an aliphatic diol, a cyclic dicarboxylic acid and a monobasic fatty acid are condensation reacted together to produce the polyester resin, whereas in a second, and preferred, embodiment, the monobasic fatty acid is present as a hydroxyl-bearing, polyol-esterified oil or fatty acid. The polyester resin of either embodiment can be cross-linked with an aminoplast resin, in the presence or absence of pigment, in a coating composition comprising 90% by weight and higher amounts of solids to produce cured coatings exhibiting good hardness, flexibility, chemical resistance and gloss. Pigment can be present in the cured coatings in amounts up to at least 60% by weight of the solids.Type: GrantFiled: May 8, 1978Date of Patent: January 1, 1980Inventor: Edward A. Lasher
-
Patent number: 4180493Abstract: A coating composition for polycarbonate surfaces comprising a mixture of:(A) 86% to 98% by weight of hydroxyl-group-containing copolymers with copolymerized units of:(a) 20% to 32% by weight of at least one aromatic vinyl monomer,(b) 8% to 18% by weight of at least one hydroxylalkyl ester of acrylic or methacrylic acid containing from 2 to 12 carbon atoms in the alkyl group, and(c) 50% to 70% by weight of at least one acrylic or methacrylic acid ester containing from 1 to 8 carbon atoms in the saturated aliphatic monoalcohol component and/or a mixture thereof; and(B) 2 to 14% by weight of at least one melamine resin.Type: GrantFiled: April 14, 1978Date of Patent: December 25, 1979Assignee: Bayer AktiengesellschaftInventors: Harald Selbeck, Rolf Dhein, Wolfgang Cohnen
-
Patent number: 4179420Abstract: Water dispersible oil-modified polyesters and oil-free polyesters are formed by the reaction of aromatic dicarboxylic acids, aliphatic dicarboxylic acids and polyols to form the polyester. In oil-free polyesters, oils of the respective fatty acids are excluded but the other reactants are similar to those employed in the preparation of oil-modified polyesters.Type: GrantFiled: July 27, 1976Date of Patent: December 18, 1979Assignee: Schenectady Chemicals, Inc.Inventor: Deno Laganis
-
Patent number: 4172859Abstract: Toughened multi-phase thermoplastic composition consisting essentially of one phase containing 60 to 99 percent by weight of a polyester including polycarbonate matrix resin of inherent viscosity of at least 0.35 deciliter/gram, and 1 to 40 percent by weight of at least one other phase containing particles of at least one random copolymer having a particle size in the range of 0.01 to 3.0 microns and being adhered to the polyester, the at least one random copolymer having a tensile modulus in the range of 1.0 to 20,000 p.s.i., the ratio of the tensile modulus of the polyester matrix resin to tensile modulus of said at least one polymer being greater than 10 to 1. Said at least one polymer is either a branched or straight chain polymer. The toughened compositions are useful for making molded and extruded parts.Type: GrantFiled: May 23, 1975Date of Patent: October 30, 1979Assignee: E. I. Du Pont de Nemours and CompanyInventor: Bennett N. Epstein
-
Patent number: RE30660Abstract: Water dispersible oil-modified polyesters and oil-free polyesters are formed by the reaction of aromatic dicarboxylic acids, aliphatic dicarboxylic acids and polyols to form the polyester. In oil-free polyesters, oils of the respective fatty acids are excluded but the other reactants are similar to those employed in the preparation of oil-modified polyesters.Type: GrantFiled: February 11, 1980Date of Patent: June 30, 1981Inventor: Deno Laganis