Mixed With Carboxylic Acid Or Derivative Reactant Or Polymer Derived Therefrom; Or With Heterocyclic Reactant Containing More Than One Heterocyclic Ring; Or Polymer Therefrom Patents (Class 525/454)
-
Patent number: 5126396Abstract: A polymerisable composition which comprises an unsaturated urethane, a C.sub.1 or C.sub.2 alkyl methacrylate and at least one other ethylenically unsaturated addition polymerisable substance copolymerisable therewith, such polymerisable compositions, where they contain an inorganic filler, overcome some of the problems associated with the polymerisable compositions described in European 0.064,809. Where the polymerisable substance comprises an unsaturated polyester, the shelf-life of the polymerisable composition can be extended by adding thereto a reagent which reacts with a portion of the free carboxyl group in the unsaturated polyester. The compositions may be used, for example, in the production of fibre-reinforced composites.Type: GrantFiled: November 20, 1990Date of Patent: June 30, 1992Assignee: Imperial Chemical Industries PLCInventors: Michael L. Orton, William I. Spurr
-
Patent number: 5126209Abstract: A transparent polyurethane layer which is resistant to fogging. The layer contains monomers and/or oligomers of acrylic acid or of salts of said acid grafted radiochemically to the surface of said layer. The layer is used as a coating layer for laminated glazings.Type: GrantFiled: February 2, 1988Date of Patent: June 30, 1992Assignee: Saint-Gobain VitrageInventor: Albert A. Kruger
-
Patent number: 5120790Abstract: Blends are formed with numerous commercially available resins and a comb-shaped polymer ("comb" for brevity) of a macromolecular monomer of a polylactone having terminal vinyl unsaturation so long as the polylactone chains are long enough to be compatible with one of the components to be blended. The comb may be formed with any polymerizable olefinically unsaturated monomer, preferably a vinyl, styryl, or acryloyl monomer. The vinyl unsaturation of the "head" of the macromer of polylactone may be acryloyl, styryl or allyl. The comb is made by a low temperature emulsion or suspension polymerization process. The comb, which has a hydrocarbon backbone and pendant polylactone chains, typically has a number average molecular weight of at least 10,000. A blend of first and second resins which are normally incompatible with each other, is also produced using a comb in which the backbone is compatible with one of the resins.Type: GrantFiled: October 28, 1991Date of Patent: June 9, 1992Assignee: The B. F. Goodrich CompanyInventor: Simon H. Yu
-
Patent number: 5106446Abstract: The present invention is directed to a mixture which can be used as an adhesive. The mixture broadly contains 1) a hydroxy group containing polyurethane, and 2) a polycarbonate and/or a polycaprolactone.Type: GrantFiled: May 7, 1990Date of Patent: April 21, 1992Assignee: Bayer AktiengesellschaftInventors: Manfred Beck, Horst Muller-Albrecht, Heinrich Konigshofen
-
Patent number: 5104932Abstract: The invention relates to bituminous compositions containing residues of polymers and in particular sterile car waste, which have previously undergone a hydrolysis and/or alcoholysis treatment prior to their incorporation into the bitumen or asphalt. The treatment is carried out in such a way as to hydrolyze and/or alcoholyze at least 5% by weight of the polyesters and/or polyurethanes initially contained in the polymer residues.During the addition of the pretreated mixture of polymers to the bitumen or asphalt, it is preferable to add a catalyst and/or a reagent assisting the in situ condensation of the acids, alcohols, amines or isocyanates formed during the pretreatment and which react with one another or with certain constituents of the bitumen or asphalt.The process permits a better incorporation of the polymer residues containing a fraction of polyurethane, polyester and/or polyepoxide resins and consequently makes it possible to obtain improved bituminous compositions for use in roads or industry.Type: GrantFiled: February 21, 1991Date of Patent: April 14, 1992Assignee: Institut Francais du PetroleInventor: Francois Dawans
-
Patent number: 5096980Abstract: A polyurethane adhesive composition containing an oxy acid of phosphorus or a derivative thereof, a carboxylic acid or an anhydride thereof and an epoxy resin can serve as an adhesive for manufacturing food packaging materials, for instance, giving bonds having very good bond strength, heat resistance and hot water resistance between a metal foil and a plastic film.Type: GrantFiled: June 20, 1989Date of Patent: March 17, 1992Assignee: Takeda Chemical Industries, ltd.Inventors: Kyuya Yamazaki, Hiroto Ryoshi, Teruo Hori
-
Patent number: 5096984Abstract: A cationically electrodepositable paint composition comprises (A) a resin having hydroxyl groups and cationic groups, (B) an epoxy resin having at least two epoxy groups, each directly bound to a (bridged) alicyclic ring, and (C) lead hydroxide and/or lead maleate as curing catalyst(s).Type: GrantFiled: February 20, 1990Date of Patent: March 17, 1992Assignee: Kansai Paint Company, LimitedInventors: Reiziro Nishida, Akira Tominaga
-
Patent number: 5093416Abstract: Poly(polyisocyanate-alkali metal silicate) products are produced by mixing and reacting an alkali metal silicate glass powder with a polyisocyanate compound and may be produced in the form of a pre-polymer, a solid or a cellular solid. These products may be used as flame-resistant, sound and thermal insulation, as a coating agent and for filling cracks and cavities.Type: GrantFiled: September 28, 1987Date of Patent: March 3, 1992Inventor: David H. Blount
-
Patent number: 5075417Abstract: Polyester polyols are prepared by reacting a multifunctional adduct (e.g., maleic anhydride (MA)) and tall oil fatty acid, (TOFA), and then esterifying/transesterifying the MA/TOFA reaction product with an excess of aromatic polyester polyols (preferably such polyols are produced from dimethyl terephthalate (DMT) process residue and polyhydric alcohols). The polyester polyols may be used in the manufacture of rigid polyurethane (PUR) and rigid urethane-modified polyisocyanurate (PUR/PIR) foams.Type: GrantFiled: August 31, 1990Date of Patent: December 24, 1991Assignee: Cape IndustriesInventors: John M. Trowell, Billy S. Jessup, Jr.
-
Patent number: 5075384Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of styrene allyl alcohol copolymers are formulated with allylic monomers and unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry-and heat-curable coating compositions.Type: GrantFiled: May 13, 1991Date of Patent: December 24, 1991Assignee: MonsantoInventors: William A. DuPont, Jerome W. Knapczyk
-
Patent number: 5061770Abstract: A diallyl aromatic dicarboxylate derivative of the formula ##STR1## wherein Y is hydrogen atom or perfluoroalkenyl group having 6 to 14 carbon atoms, is a novel compound. The compound (1) is a starting material for a prepolymer containing a repeating unit derived from diallyl aromatic fluorine-containing dicarboxylate and represented by the formula ##STR2## wherein X is prefluoroalkenyl group having 6 to 14 carbon atoms.Type: GrantFiled: April 14, 1989Date of Patent: October 29, 1991Assignee: Daikin Industries, Ltd.Inventors: Sinji Tamaru, Motonobu Kubo
-
Patent number: 5053465Abstract: An epoxy polyurethane.polyurea product having improved impact properties is formed by reacting a curing amount of a polyetherpolyamine such as, for example, an amine terminated ethylene glycol with blends of epoxy resins combined with small amounts of blocked polyoxypropylene polyol/isocyanate.prepolymer. The products of the instant invention exhibit improvements over similar blends cured with other amine curing agents which result in brittle products.Type: GrantFiled: May 12, 1989Date of Patent: October 1, 1991Assignee: Texaco Chemical CompanyInventor: Harold G. Waddill
-
Patent number: 5053464Abstract: A polyurethane containing a metal phthalocyanine in the main chain is a novel compound and can be divided into two groups; one of which is a linear polymer and the other of which is a cross-linked polymer. This substance is useful as a redox catalyst due to the peculiar properties of the metal phthalocyanine. The polyurethane can be prepared by reacting a metal phthalocyanine polycarboxylic acid with thionyl chloride to obtain a metal phthalocyanine polycarboxylic acid polychloride; synthesizing a metal phthalocyanine polyhydroxy ester from the metal phthalocyanine polycarboxylic acid polychloride and a diol: HO--R.sup.1 --OH through a dehydrochlorination; and then addition-condensation-polymerizing the resulting metal phthalocyanine polyhydroxy ester, a diol: HO--R.sup.2 --OH and a diisocyanate.Type: GrantFiled: August 20, 1990Date of Patent: October 1, 1991Assignee: Hirofusa Shirai & Nisshinbo Industries, Inc.Inventors: Hirofusa Shirai, Naomi Masuda, Tatsuya Hongu, Nobuhisa Tsutsumi
-
Patent number: 5049623Abstract: Ethylenically unsaturated carbamates are prepared by reaction of unsaturated isocyanates with the hydroxy groups of styrene allyl alcohol copolymers. The ethylenically unsaturated carbamates either alone or formulated with unsaturated co-reactants such as (meth)-acryloyl monomers and oligomers, maleates and fumarates provide radiation curable coating compositions.Type: GrantFiled: August 3, 1989Date of Patent: September 17, 1991Assignee: Monsanto CompanyInventor: William A. Dupont
-
Patent number: 5034475Abstract: Polymers with polyvinyl acetal groups, which contain acetalized polyvinyl alcohol groups on polyurethane grafting substrates and which are prepared from graft polymers, containing vinyl alcohol groups on polyurethane grafting substrates, by reaction with aldehydes according to known methods. The aldehydes used can be any known aldehydes capable of acetalization reactions.The polyurethane grafting substrates contain at least 2 urethane groups in the molecule and units from diisocyanates and diols, and polymer radicals of units of vinyl carboxylates having 3 to 20 carbon atoms and/or hydrolysis products thereof and, if appropriate, further monomer units are grafted onto the polyurethane grafting substrates. The proportion of vinyl alcohol units in the hydrolyzed or partially hydrolyzed graft polymers before the acetalization is >10% by weight.In the acetalized polymer, the content of residual unacetalized vinyl alcohol units is >7.Type: GrantFiled: October 19, 1989Date of Patent: July 23, 1991Assignee: Hoechst AGInventors: Matthias Kroggel, Karl-Josef Rauterkus, Hans-Dieter Hermann
-
Patent number: 5030696Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of styrene allyl alcohol copolymers are formulated with allylic monomers and unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry-and heat-curable coating compositions.Type: GrantFiled: August 3, 1989Date of Patent: July 9, 1991Assignee: Monsanto CompanyInventors: William A. DuPont, Jerome W. Knapczyk
-
Patent number: 5030665Abstract: Radiation cured peelable film useful as a surgical drape or wound dressing includes a copolymer of a vinyl monomer and an acrylate capped polyurethane prepolymer. The cured film may be prepared by casting a mixture of the vinyl monomer, prepolymer and a photoinitiator onto a surface as a liquid film and exposing the liquid film to ultraviolet light.Type: GrantFiled: April 8, 1988Date of Patent: July 9, 1991Assignee: Becton, Dickinson and CompanyInventors: Min-Shiu Lee, John Gleason, Robert A. Taller
-
Patent number: 5026771Abstract: Ethylenically unsaturated carbamates prepared by addition of unsaturated isocyanates to the hydroxy groups of polyvinyl acetals are formulated with allylic monomers and optionally unsaturated co-reactants selected from (meth)-acryloyl monomers and oligomers, maleates and fumarates to provide air-dry- and heat-curable coating compositions.Type: GrantFiled: August 3, 1989Date of Patent: June 25, 1991Assignee: Monsanto CompanyInventors: William A. Dupont, Jerome W. Knapczyk
-
Patent number: 5017664Abstract: Modified-polyurethane block copolymers and devices formed therefrom demonstrate excellent biocompatibilty and improved physical and mechanical properties. In a preferred embodiment, from about 5 to about 25 percent of urethane hydrogen atoms are replaced with propyl sulfonate and propyl carboxylate groups to provide the modified copolymer.Type: GrantFiled: April 5, 1989Date of Patent: May 21, 1991Assignee: Wisconsin Alumni Research FoundationInventors: Timothy G. Grasel, Stuart L. Cooper
-
Patent number: 4997906Abstract: A crosslinked copolymer composition is derived from an aliphatic polyester, a dianhydride and a diisocyanate. The copolymer membrane has high thermal stability and good aromatic/saturate selectivity and permeability.Type: GrantFiled: April 3, 1990Date of Patent: March 5, 1991Assignee: Exxon Research & Engineering CompanyInventors: Warren A. Thaler, W. S. W. Ho, Guido Sartori
-
Patent number: 4990577Abstract: The invention provides a liquid coating composition curable at ambient temperature comprising a compound having at least 2 acryloyl groups or methacryloyl groups and an amino compound having a primary amino group which is blocked with an aldehyde or ketone, said amino compound being an aliphatic or cycloaliphatic amine containing 2-24 carbon atoms or an adduct of a molecular weight of 300-1500 of an epoxy compound or isocyanate compound or .alpha.,.beta.-ethylenically unsaturated carbonyl compound and a primary amine having a group reacting with said epoxy compound or isocyanate compound or .alpha., .beta.-ethylenically unsaturated carbonyl compound. A process for coating a substrate with such composition is also provided.Type: GrantFiled: February 10, 1989Date of Patent: February 5, 1991Assignee: Akzo N.V.Inventors: Arie Noomen, Paul M. Vandevoorde, Tamme Bartels, Gerardus J. W. M. Maters, Winsenty L. S. Pilaszek
-
Patent number: 4983266Abstract: This invention relates to an electrodeposition process which comprises electrodepositing onto a conducting substrate a coating composition comprising a self-crosslinking polymeric resin which has an average of at least two pendent hydroxy functional groups and an average of at least two pendent ester groups of the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl, substituted alkyl or aryl groups; n is from about 1 to about 5; X is nitrogen, sulfur or phosphorus; and when X is nitrogen or phosphorus, R.sup.3 is hydrogen, lower alkyl, or an aryl group; R.sup.4 is lower alkyl or an aryl group; and when X is sulfur, R.sup.4 is nothing and R.sup.3 is either hydrogen, lower alkyl or aryl.Type: GrantFiled: December 27, 1988Date of Patent: January 8, 1991Assignee: The Sherwin-Williams CompanyInventors: Goutam Gupta, Sherman J. Mels
-
Patent number: 4976785Abstract: Disclosed is a paint resin prepared by reacting an aluminum chelate compound with a resin having an active hydrogen bonded to an electrophilic atom or atomic group, and/or epoxy group.Type: GrantFiled: February 14, 1989Date of Patent: December 11, 1990Assignee: Nippon Paint Co., Ltd.Inventors: Shinji Nakano, Koichi Tsutsui, Shoji Ikeda, Yoji Hirasawa
-
Patent number: 4973392Abstract: This invention relates to coating compositions which comprise a polymer having at least two hydroxy functional groups and a crosslinking agent having an average of at least two pendent ester groups of the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl, substituted alkyl or aryl groups; n is from about 1 to about 5; X is nitrogen, sulfur or phosphorus; and when X is either nitrogen or phosphorus, R.sup.3 is hydrogen, lower alkyl, or an aryl group; R.sup.4 is lower alkyl or an aryl group; and when X is sulfur, R.sup.4 is nothing and R.sup.3 is either hydrogen, lower alkyl or aryl.Type: GrantFiled: December 27, 1988Date of Patent: November 27, 1990Assignee: The Sherwin-Williams CompanyInventor: Goutam Gupta
-
Patent number: 4973646Abstract: Disclosed are thermosetting, powder coating compositions comprised of semi-crystalline polyesters and .epsilon.-caprolactam-blocked bis(1-cyanato-1-methylethyl) benzene compounds which are readily curable at relatively-mild temperatures and using cure times commonly used to cure (cross-link) powder coatings. When using equivalent curing conditions, the disclosed coating compositions exhibit a higher degree of cross-linking than do combinations of amorphous polyesters and the .epsilon.-caprolactam-blocked bis(1-cyanato-1-methylethyl)-benzene compounds.Type: GrantFiled: April 9, 1990Date of Patent: November 27, 1990Assignee: Eastman Kodak CompanyInventors: Jonathan S. Witzeman, Yeong-Ho Chang
-
Patent number: 4966945Abstract: A method for coating or printing a substrate by applying thereto a coating or printing ink vehicle which is a solution of a curable mixture of synthetic resins, evaporating a solvent therefrom a give a physically dry and clear film, and maintaining said film at or slightly above room temperature to cure or harden said vehicle, said vehicle including a glycidyl compound, one or more amines as curing or hardening agents for said glycidyl compound, a thermoplastic resin having free carboxyl groups which is inert at the aforementioned curing temperatures, a solvent, and optional commonly used auxiliaries.Type: GrantFiled: November 17, 1988Date of Patent: October 30, 1990Assignee: Schering AGInventors: Manfred Drawert, Horst Krase, Hans D. Skoda
-
Patent number: 4963435Abstract: A wire with a coated layer for bonding to a joint body by ultrasonic vibration, the coated layer of said wire comprising urethane resin having formulated therein a brominated epoxy resin.Type: GrantFiled: December 2, 1988Date of Patent: October 16, 1990Assignees: Hitachi, Ltd., Hitachi Computer Peripherals Co., Ltd., Hitachi Cable, Ltd.Inventors: Shigeo Hara, Setsuo Sekine, Toshio Suzuki, Minoru Taguchi, Akio Mitsuoka, Yoshiyuki Tetsu
-
Patent number: 4963220Abstract: A composition providing a two-part adhesive consists of an acrylate monomer and perester catalyst, comprising the polymerizable part, and a ferric ion-accelerated butyraldehyde/aniline activator comprising the other.Type: GrantFiled: May 1, 1989Date of Patent: October 16, 1990Assignee: Dymax CorporationInventors: Andrew G. Bachmann, Robert F. Bickley
-
Patent number: 4956439Abstract: Modified polyurethane products, exhibiting good physical strength and excellent heat resistance, and especially improved heat sag properties, are prepared by blending a polyol component containing at least 1% of at least one polynuclear aromatic polyol or a derivative thereof, or a mononuclear diol or a derivative thereof, at a temperature of 100.degree.-180.degree. C., to form a first liquid component; admixing the first liquid component with a second liquid component containing a diisocyanate or polyisocyanate, one of the two liquid components containing a catalyst; and reacting and molding the admixture in a mold kept at a temperature of from 80.degree.-140.degree. C. by reaction injection molding.Type: GrantFiled: September 8, 1989Date of Patent: September 11, 1990Inventors: Shen-Nan Tong, Shih-Jung Tsai, Jyi-Shang Lii
-
Patent number: 4952632Abstract: The invention relates to trans-cyclohexane-1,4-diisocyanate which is completely or partially blocked with epsilon-caprolactam and a method of manufacturing the same wherein 1 mole trans-cyclohexane-1,4-diisocyanate is reacted with 1 to 2 moles epsilon-coprolactam, without or with the presence of solvents. These blocked diisocyanates are used for polyurethane powders.Type: GrantFiled: March 9, 1988Date of Patent: August 28, 1990Assignee: Huels AktiengesellschaftInventors: Rainer Gras, Elmar Wolf
-
Patent number: 4946910Abstract: This invention, therefore, relates to the field of polyurethane coatings for use in automobile basecoat/clearcoat systems. In particular, this invention relates to water-dispersible polyurethane resins having polyether sidechains which may be utilized in basecoat compositions as principal resins or grind resins. These polyurethane resins may be laterally stabilized or terminally stabilized. The terminally stabilized resins of this invention are preferably employed as principal resins in basecoat compositions.Type: GrantFiled: December 22, 1988Date of Patent: August 7, 1990Assignee: BASF Corporation, Inmont DivisionInventors: Thomas G. Savino, Thomas C. Balch, Alan L. Steinmetz, Sergio E. Balatin, Nicholas Caiozzo
-
Patent number: 4942219Abstract: The use of an amorphous block copolyester resin as a viscoelastic resin for a composite vibration damping material, and a viscoelastic resin composition for a composite vibration damping material which comprises the amorphous block copolyester resin and at least one compound selected from the group consisting of polyepoxy compounds, polyisocyanate compounds and acid anhydrides.Type: GrantFiled: October 20, 1988Date of Patent: July 17, 1990Assignees: Toyo Boseki Kabushiki Kaisha, Nippon Steel CorporationInventors: Takeshi Yatsuka, Seiji Yamazoe, Hiroshi Hirakouchi, Yutaka Mizumura, Hiroshi Endo, Nobuo Kadowaki
-
Patent number: 4939216Abstract: A heat-curable coating material for cathodic electrocoating is water-dilutable on protonation with an acid and contains(A) from 50 to 95% by weight of a polymer, polycondensate or polyadduct containing primary and/or secondary amino groups, as a binder, and(B) from 5 to 50% by weight of a crosslinking agent obtainable by reacting(a) a polyurethane with(b) formaldehyde or a formaldehyde-donating compound and(c) one or more secondary aliphatic amines.Type: GrantFiled: July 12, 1989Date of Patent: July 3, 1990Assignee: BASF Lacke+ Farben AktengesellschaftInventors: Dirk Lawrenz, Hans Schupp, Thomas Schwerzel
-
Patent number: 4923929Abstract: A graft copolymer produced by polymerizing an ethylenically unsaturated monomer in the presence of a fluorine-containing resin having reactive double bonds via a urethane linkage is excellent in transparency and pigment dispersibility and can provide a coating composition excellent in weather resistance.Type: GrantFiled: June 12, 1987Date of Patent: May 8, 1990Assignee: Hitachi Chemical Co.Inventors: Takeo Ohwada, Kengo Kobayashi
-
Patent number: 4912177Abstract: This invention relates to binary thermoplastic polyblend consisting essentially of a thermoplastic aromatic polycarbonate and a thermoplastic polyester polyol-based polyurethane (TPU). The polyblends exhibit improved hydrocarbon solvent resistance and melt flow properties over polycarbonate resins.Type: GrantFiled: May 2, 1989Date of Patent: March 27, 1990Assignee: The Dow Chemical CompanyInventors: Richard E. Skochdopole, Dane L. Wright
-
Patent number: 4906695Abstract: 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 modified with an alkoxy-functional silicon compound and the second component comprises the same PSA modified with a cure agent for the alkoxy-functional silicon compound. The method provides improved adhesive bond strength over the unmodified PSA which generally increases with time.Type: GrantFiled: July 8, 1988Date of Patent: March 6, 1990Assignee: Dow Corning CorporationInventors: John D. Blizzard, Terence J. Swihart
-
Patent number: 4902757Abstract: A solvent-based thermosetting coating composition comprising a hydroxy functional urethane modified polyester resin and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as a hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer suitable for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The hydroxy functional urethane modified polyester resin is the product of polymerization of lactone monomers in the presence of hydroxy-containing urethane modified polyester precursor. The polymerization reaction mixture comprises between about 10 and about 80 weight percent the hydroxy-containing urethane modified polyester precursor and between about 90 and about 20 weight percent lactone monomers.Type: GrantFiled: October 5, 1988Date of Patent: February 20, 1990Assignee: E. I. Du Pont de Nemours & Co.Inventors: Panagiotis I. Kordomenos, Andrew H. Dervan, Tab Semanision
-
Patent number: 4902754Abstract: A solvent-based thermosetting coating composition comprising a hydroxy functional urethane modified polyester resin and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as a hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer suitable for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The hydroxy functional urethane modified polyester resin is the product of polymerization of lactone monomers in the presence of hydroxy-containing urethane modified polyester precursor. The polymerization reaction mixture comprises between about 10 and about 80 weight percent the hydroxy-containing urethane modified polyester precursor and between about 90 and about 20 weight percent lactone monomers.Type: GrantFiled: October 5, 1988Date of Patent: February 20, 1990Assignee: E. I. Du Pont de Nemours & Co.Inventors: Panagiotis I. Kordomenos, Andrew H. Dervan, Tab Semanision
-
Patent number: 4902755Abstract: A solvent-based thermosetting coating composition comprising a hydroxy functional urethane modified polyester resin and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as a hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer suitable for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The hydroxy functional urethane modified polyester resin is the product of polymerization of lactone monomers in the presence of hydroxy-containing urethane modified polyester precursor. The polymerization reaction mixture comprises between about 10 and about 80 weight percent the hydroxy-containing urethane modified polyester precursor and between about 90 and about 20 weight percent lactone monomers.Type: GrantFiled: October 5, 1988Date of Patent: February 20, 1990Assignee: E. I. Du Pont de Nemours & Co.Inventors: Panagiotis I. Kordomenos, Andrew H. Dervan, Tab Semanision
-
Patent number: 4902756Abstract: A solvent-based thermosetting coating composition comprising a hydroxy functional urethane modified polyester resin and blocked polyisocyanate crosslinking agent. The coating composition may be formulated as a hot sprayable, high solids coating composition suitable for use as chip resistant automotive vehicle primer suitable for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, the composition may be formulated as a high solids composition sprayable with conventional spraying equipment. The hydroxy functional urethane modified polyester resin is the product of polymerization of lactone monomers in the presence of hydroxy-containing urethane modified polyester precursor. The polymerization reaction mixture comprises between about 10 and about 80 weight percent the hydroxy-containing urethane modified polyester precursor and between about 90 and about 20 weight percent lactone monomers.Type: GrantFiled: October 5, 1988Date of Patent: February 20, 1990Assignee: E. I. Du Pont de Nemours & Co.Inventors: Panagiotis I. Kordomenos, Andrew H. Dervan, Tab Semanision
-
Patent number: 4898919Abstract: A polyurethane adhesive comprising(a) a specific block polyurethane polyol produced by reacting a hydrogenated polybutadiene glycol, a polyol having two or more hydroxy groups, and a polyisocyanate,(b) a thermoplastic polyester urethane rubber, and(c) a polyisocyanate compound as a crosslinking agent,said polyurethane adhesive being useful for adhesion of low polar materials, particularly adhesion between polypropylene materials and sheets of polyvinyl chloride.Type: GrantFiled: July 22, 1988Date of Patent: February 6, 1990Assignee: Sunstar Giken Kabushiki KaishaInventors: Ryuichi Ueda, Masahito Mori, Kohske Torii
-
Patent number: 4880883Abstract: Modified-polyurethane block copolymers and devices formed therefrom demonstrate excellent biocompatibility and improved physical and mechanical properties. In a preferred embodiment, from about 5 to about 25 percent of urethane hydrogen atoms are replaced with propyl sulfonate and propyl carboxylate groups to provide the modified copolymer.Type: GrantFiled: June 3, 1987Date of Patent: November 14, 1989Assignee: Wisconsin Alumni Research FoundationInventors: Timothy G. Grasel, Stuart L. Cooper
-
Patent number: 4874859Abstract: The subject of the invention is new derivatives (I) and (II) of cyanuric acid which have the formula, respectively, ##STR1## in which: R' and R" are --CH.sub.2 --CH(OH)--CH.sub.2 OH andR is an alkyl containing a polymerizable ethylenic functional group such as an acrylic, methacrylic or allyl group.The derivatives (I) and (II) according to the invention may be employed as crosslinking agents in polymers.Type: GrantFiled: December 11, 1987Date of Patent: October 17, 1989Assignee: Societe Chimique des CharbonnagesInventors: Remy Teissier, Serge Clamens
-
Patent number: 4871806Abstract: Curable compositions which comprise:(i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and(ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhdyride groups per molecule; and(iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; and(iv) a hydroxy-functional compound having an average of at least two hydroxyl groups per molecule;wherein at least one of the compounds (i), (ii), (iii) or (iv) comprises a film forming polymer.Type: GrantFiled: November 16, 1987Date of Patent: October 3, 1989Assignee: The Sherwin-Williams CompanyInventors: Mohamad D. Shalati, James A. Marquart
-
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.
-
Patent number: 4859760Abstract: Disclosed are polyurethane powder coating compositions comprising at least one amorphous polyester, at least one semi-crystalline polyester, and a polyisocyanate crosslinking agent. Coatings made from such powder compositions provide a unique combination of good hardness and flexibility, while the powder from which they are made has good storage stability.Type: GrantFiled: December 7, 1987Date of Patent: August 22, 1989Assignee: Eastman Kodak CompanyInventors: Fred W. Light, Jr., James D. Hood, Yeong-Ho Chang
-
Patent number: 4855368Abstract: Thermoset resinous molding compositions are provided by essentially instantaneously combining and reacting three basic resin forming components. The latter include an oligomeric ester or polyester containing polymerizable unsaturation and free hydroxyl group(s); a polyisocyanate; and an aromatic polyamine. The indicated thermosetting resin systems are especially adapted for use in a reaction injection molding (RIM) operation.Type: GrantFiled: June 21, 1988Date of Patent: August 8, 1989Assignee: Ashland Oil, Inc.Inventors: Timothy A. Tufts, Dan Borgnaes, Billy M. Culbertson, Theodore C. Wilkinson
-
Patent number: 4855352Abstract: Stable finely-divided dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material are made by reacting (i) an isocyanate with (ii) a compound selected from polyamines, hydrazines, hydrazides and mixtures thereof in the presence of (iii) a hydroxyl compound selected from polyethers, polyesters, polyester amides, polycarbonates and mixtures thereof and (iv) a catalyst. The catalyst is a compound which catalyzes the reaction of isocyanate groups with hydroxyl groups. The catalyst is used in a quantity of at least 50 parts per million parts of (i), (ii) and (iii). These dispersions are particularly useful in the production of polyurethanes.Type: GrantFiled: July 28, 1988Date of Patent: August 8, 1989Assignee: Mobay CorporationInventors: Michael K. Lowery, Richard E. Keegan, Mark A. Koshute
-
Patent number: 4851481Abstract: An improved epoxy resin composition having improved crack resistance and toughness with maintaining the excellent mechanical and electrical properties, which comprises an epoxy resin dispersed with silicone resin particles which are a crosslinking reaction product of one or more organopolysiloxanes having silanol groups at both ends and one or more organosilane compounds having at least two alkoxysilyl groups within one molecule thereof. The epoxy resin compositions of this invention are useful as sealing materials for IC, and also as coating materials, paints, adhesives, and prepregs.Type: GrantFiled: December 6, 1988Date of Patent: July 25, 1989Assignee: Sunstar Giken Kabushiki KaishaInventors: Akira Kuriyama, Tatsuya Okuno
-
Patent number: 4845162Abstract: The present invention relates to a composition comprising a phenolic resin, as for example phenol formaldehyde, an active hydrogen containing polymer as for example a polyamide, and a curing agent, such as a polyepoxide.Type: GrantFiled: June 1, 1987Date of Patent: July 4, 1989Assignee: Allied-Signal Inc.Inventors: George J. Schmitt, Dusan C. Prevorsek, Hong B. Chin, Kwok W. Lem