Material Contains At Least One Metal Atom Patents (Class 528/55)
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Patent number: 4334052Abstract: Rigid, solid, non-cellular, urethane polymer compositions can be prepared which are the reaction product of at least one polyhydric alcohol with at least one organic polyisocyanate in the presence of a low molecular weight urethane modifier adduct which is the reaction product prepared, for instance, by reacting (1) at least one polyisocyanate and at least one monohydric alcohol or (2) at least one monofunctional isocyanate with at least one monohydric or polyhydric alcohol. Said adduct can also consist of mixtures of (1) and (2). Such polymers when prepared in the presence of any catalyst for urethane formation which is a liquid or solid at ambient temperature, set quickly to solid, rigid polymers having a density of at least one gram per cubic centimeter. They can be demolded after combining the materials, without the addition of heat from an external source, within a period of less than one minute to about 15 minutes.Type: GrantFiled: March 13, 1981Date of Patent: June 8, 1982Assignee: BASF Wyandotte CorporationInventors: John T. Patton, Jr., Herwart C. Vogt, Manher Parekh
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Patent number: 4328138Abstract: Curable N-acylurea polymers and coating compositions are provided which cure by reaction of ethylenic unsaturation of the acyl group. The subject polymers are prepared by reaction of a polymeric carbodiimide with an ethylenically unsaturated monocarboxylic acid. Coating compositions so provided may have N-acylurea polymer solids contents of about 30% to about 95% by weight, exclusive of pigment.Type: GrantFiled: December 4, 1980Date of Patent: May 4, 1982Assignee: DeSoto, Inc.Inventors: Shiow-Ching Lin, Gerry K. Noren
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Patent number: 4321343Abstract: Disclosed herein are block copolymers prepared by polymerizing isobutylene in the presence of an alkyl-substituted phenol as chain transfer agent followed by reaction with a diisocyanate and coupling to a polyoxyalkylene polyol.Type: GrantFiled: October 17, 1980Date of Patent: March 23, 1982Assignee: W. R. Grace & Co.Inventor: John M. Rooney
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Patent number: 4309378Abstract: The instant invention is directed to a process for the production of pneumatic tires having particularly high dynamic strength and low plastic deformability comprising casting or centrifugally casting the following liquid reaction system whose rapid hardening requires temperatures of at most 85.degree. C.:(A) prepolymers or semiprepolymers of specified isocyanates and a polyol or polyol mixture having a hydroxyl functionality of 2.0 to 2.2 and an average molecular weight of from 1,000 to 3,000, wherein the molar ratio of polyol to diisocyanate is from 1:1.5 to 1:4.0,(B) specific aromatic diamine chain extenders,(C) catalysts, and(D) auxiliaries.Type: GrantFiled: August 14, 1980Date of Patent: January 5, 1982Assignee: Bayer AktiengesellschaftInventors: Otto Ganster, Jurgen Schwindt
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Patent number: 4306052Abstract: Novel thermoplastic polyester polyurethanes are disclosed which are obtained by reacting a polyester diol, a difunctional extender, a methylenebis(phenyl isocyanate), and from about 0.0025 mole to about 0.03 mole per equivalent of isocyanate of a monocarbodiimide product derived from a methylenebis(phenyl isocyanate) or the corresponding uretidinedioneimine adduct thereof with said latter methylenebis(phenyl isocyanate).The polyester polyurethanes are characterized by a combination of thermoplasticity, extremely good hydrolytic stability which cannot be diminished by solvent action, good physical properties, particularly tensile strength and elongation, and enhanced clarity of molded articles.Type: GrantFiled: September 25, 1980Date of Patent: December 15, 1981Assignee: The Upjohn CompanyInventors: Henry W. Bonk, Richard W. Oertel
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Patent number: 4305977Abstract: A process for improving the water vapor permeability of polyurethane coatings by incorporating a hydroxy alkyl amine, an alkoxylated amine or the salt of either with an inorganic or organic acid into the coating composition is taught. Coating compositions including this water vapor diffusion enhancing additive are also taught as is a process for coating water vapor permeable substrates.Type: GrantFiled: September 24, 1979Date of Patent: December 15, 1981Assignee: Bayer AktiengesellschaftInventors: Werner Kubitza, Gerhard Mennicken
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Patent number: 4294951Abstract: Rapidly cured polyurethane elastomers are prepared by mixing a diphenylmethanediisocyanate based liquid prepolymer obtained from polytetramethylene ether glycol and an aliphatic diol at specified proportions, and a curing agent essentially containing said polytetramethylene ether glycol, diol and organometallic catalyst.Type: GrantFiled: July 14, 1980Date of Patent: October 13, 1981Assignee: Mitsui-Nisso CorporationInventors: Toshio Sugita, Hiroaki Sakaguchi, Hisanobu Tsuda, Tsuyoshi Suzuki
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Patent number: 4293669Abstract: Heat resistant polymers connected by ester and/or urethane groups and optionally amide- and/or imide groups and/or hydantoin and/or isocyanurate rings are obtained by crosslinking the polymers with trishydroxy alkyl triazolidine -3,5-diones.Type: GrantFiled: March 3, 1980Date of Patent: October 6, 1981Assignee: Bayer AktiengesellschaftInventors: Ludwig Rottmaier, Rudolf Merten, Jurgen Lewalter, Wilfried Zecher, Willi Dunwald
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Patent number: 4289868Abstract: Poly(thio)hydantoins are prepared by reacting an iso(thio)cyanate having at least two iso(thio)cyanate moieties with a compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each represents hydrogen, halogen, a C.sub.1 -C.sub.20 aliphatic group, a C.sub.7 -C.sub.20 aliphatic-aromatic group, a C.sub.6 -C.sub.20 aromatic group or a heterocyclic group having from 4 to 16 ring members and at least one N, O or S atom;A represents CN, COR, substituted or unsubstituted C.sub.1 -C.sub.20 aliphatic group, C.sub.7 -C.sub.20 aliphatic-aromatic group, C.sub.6 -C.sub.20 aromatic group or a heterocyclic group having from 4 to 16 ring members and at least one N, O or S atom wherein the substituents are NO.sub.2, COOR.sub.4, CN, CO or OH; R and R.sup.4 are selected from the definition of R.sup.1 and R.sup.2 with the exclusion of halogen;M represents OH or ##STR2## and R.sup.6 represents hydrogen, unsubstituted or substituted C.sub.2 -C.sub.20 aliphatic, C.sub.5 -C.sub.12 cycloaliphatic, C.Type: GrantFiled: December 6, 1979Date of Patent: September 15, 1981Assignee: Bayer AktiengesellschaftInventors: Jurgen Lewalter, Rudolf Merten, Wilfried Zecher, Willi Dunwald
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Patent number: 4288586Abstract: The present invention relates to a new process for the preparation of polyisocyanates containing isocyanurate groups by the partial trimerization of the isocyanate groups of 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl-cyclohexane (also known as isophorone diisocyanate and abbreviated IPDI), using catalysts which accelerate the trimerization of isocyanate groups, characterized in that the catalysts used are quaternary hydroxyalkyl ammonium hydroxides containing at least one hydroxyalkyl group. The present invention also relates to the polyisocyanates containing isocyanurate groups produced according to this process and to their use, optionally in the form of products which are blocked with blocking agents for isocyanate groups, as isocyanate components for polyurethane lacquers.Type: GrantFiled: February 12, 1979Date of Patent: September 8, 1981Assignee: Bayer AktiengesellschaftInventors: Manfred Bock, Josef Pedain, Wilhelm Slawyk
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Patent number: 4284751Abstract: A polyurethane sealant including a polyurethane having terminal isocyanate groups and containing a dual curing catalysti of organic bismuth and organic tin, said polyurethane being the reaction product of a liquid poly (lower) alkylene polyol having a molecular weight of 6,000 or more and three to five hydroxyl groups and a sterically unhindered aromatic diisocyanate. The polyurethane sealant may be used in conjunction with a silane based primer and when applied to glass surfaces provides a high strength and rapidly curing seal.Type: GrantFiled: May 14, 1980Date of Patent: August 18, 1981Assignee: Products Research & Chemical Corp.Inventors: Jack W. Hutt, Fernando E. Blanco
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Patent number: 4263411Abstract: A process of forming polyurethane compositions which emit reduced amounts of toxic smoke on burning is described. The process comprises reacting a mixture of an organic compound having two or more active hydrogen atoms, an organic polyfunctional isocyanate, a catalyst and at least one metal salt of an aliphatic or alicyclic monocarboxylic acid wherein the metal is cobalt, copper, nickel or manganese. The metal salt is added to the mixture in an amount which is sufficient to reduce the formation of toxic substances when the polyurethane is ignited.Type: GrantFiled: September 28, 1979Date of Patent: April 21, 1981Assignee: Mooney Chemicals, Inc.Inventor: Eugene Bak
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Patent number: 4263423Abstract: The instant invention is directed to a process for the production of a light fast, transparent polyurethane elastomer comprising reacting:(A) from 90 to 50% by weight, based on the polyurethane solids content, of a compound having a molecular weight of from 400 to 10,000 which has at least two Zerewitinoff active hydrogen atoms;(B) from 50 to 10% by weight, based on the polyurethane solids content, of an aliphatic and/or alicyclic polyisocyanate; and(C) from 0 to 20% by weight, based on the polyurethane solids content, of a chain-lengthening agent having a molecular weight of from 60 to 400; in the presence of:(D) catalysts for the isocyanate polyaddition reaction, the improvement wherein said catalysts, component (D), is a catalyst combination of:(a) an alkali metal hydroxide and/or alkaline earth metal hydroxide; and(b) an organometallic compound selected from the group consisting of the acetyl acetonate of iron, C.sub.1 -C.sub.Type: GrantFiled: July 16, 1979Date of Patent: April 21, 1981Assignee: Bayer AktiengesellschaftInventors: Jurgen Schwindt, Holger Meyborg, Gerhard Grogler, Klaus Recker
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Patent number: 4256848Abstract: The reaction of an organic polyisocyanate with an organic compound containing at least 2 active hydrogen containing groups is catalyzed with a synergistic co-catalyst combination of at least one organo-mercuric catalyst and at least one zinc salt of an alkylcarboxylic acid having about 2 to about 22 carbon atoms. Useful solid (non-cellular) and foamed polyurethane products are obtained which are produced at a faster curing rate than with use of either co-catalyst alone.Type: GrantFiled: October 15, 1979Date of Patent: March 17, 1981Assignee: BASF Wyandotte CorporationInventors: Bernardas Brizgys, James A. Gallagher
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Patent number: 4250077Abstract: The instant invention is directed to a suspension which is stable in storage comprising:(1) 0.5 to 80%, by weight, based on the total suspension, of an inorganic filler in(2) 20 to 99.5%, by weight, based on the total suspension, of polyhydroxyl compounds containing aliphatic or cycloaliphatic combined hydroxyl groups,wherein said polyhydroxyl compounds (2) contain from 0.05 to 10% by weight based on (1)+(2) of a graft polymer and stabilizer which was produced by the free radical polymerization of(a) from 1 to 35%, by weight, based on the graft polymer, of an olefinically unsaturated carboxylic acid and(b) from 0 to 60%, by weight, based on the graft polymer, of other olefinically unsaturated monomers, in the presence of(c) from 5 to 99%, by weight, based on the graft polymer, of polyhydroxyl compounds,wherein the carboxyl groups of the graft polymer are completely or partially neutralized by organic or inorganic bases.Type: GrantFiled: September 27, 1979Date of Patent: February 10, 1981Assignee: Bayer AktiengesellschaftInventors: Wulf von Bonin, Peter Vehlewald
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Patent number: 4241204Abstract: Curable organic resin compositions, such as epoxy resins, are provided, based on the use of dialkyl hydroxy arylsulfonium salts in combination with certain organic oxidants such as iodosoaromatic esters, or the use of certain amines or transition metals in combination with organic peroxides. The curable compositions can provide flexible or rigid organic resin foam when used with a volatile organic solvent as a result of exothermic heat of cure.Type: GrantFiled: February 12, 1979Date of Patent: December 23, 1980Assignee: General Electric CompanyInventor: James V. Crivello
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Patent number: 4237252Abstract: Storage-stable, one-part, curable resin compositions comprising I. a latent catalyst which comprises rupturable microcapsules having shell walls of a crosslinked interfacial polyurethane-polyether reaction product and liquid fills of a Lewis acid-glycerol complex, II. a cationically curable monomer composition and III. a Lewis base scavenger.Type: GrantFiled: June 28, 1979Date of Patent: December 2, 1980Assignee: Minnesota Mining and Manufacturing CompanyInventors: Richard G. Newell, Harold E. Rude
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Patent number: 4237235Abstract: Urethane polymers are produced by reacting isocyanate with hydroxyl compounds in the presence of a catalytic amount of a chelating catalyst or cocatalyst which is a complex of a chelating agent with metallic ions and which does not react with the reagents.Type: GrantFiled: August 21, 1978Date of Patent: December 2, 1980Inventor: Rosalba Mazzucco
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Patent number: 4230814Abstract: Heat curable compositions are provided comprising cationically polymerizable organic materials such as epoxy resins, vinyl ethers or phenol formaldehyde resins and thermal curing agents, based on the use of dialkyl hydroxyarylsulfonium salts with an organic oxidant, such as an organic peroxide, azonitriles, etc. The heat curable compositions can be used as injection molding compounds or as a coating composition.Type: GrantFiled: February 12, 1979Date of Patent: October 28, 1980Assignee: General Electric CompanyInventor: James V. Crivello
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Patent number: 4224422Abstract: Curable expoy resin-polyisocyanate systems which incorporate a minor amount of a cationically polymerizable, ethylenically unsaturated monomer and which are catalyzed by a Lewis acid.Type: GrantFiled: June 28, 1979Date of Patent: September 23, 1980Assignee: Minnesota Mining and Manufacturing CompanyInventors: Harold E. Rude, Richard G. Newell
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Patent number: 4224431Abstract: The instant invention is directed to novel heterocyclic nylon-1 linear polymers comprising regularly recurring structural units having the general formula: ##STR1## where R can be hydrogen or an aliphatic hydrocarbon group of from 1 to 4 carbon atoms, at least one of said R's being an aliphatic hydrocarbon group of from 1 to 4 carbon atoms, and wherein said polymers contain from 2 to 100 of said recurring structural units. The instant invention also relates to a novel process for the production of said polymers by reacting certain specified cycloaliphatic diisocyanates in the presence of specified catalysts.Type: GrantFiled: February 1, 1979Date of Patent: September 23, 1980Assignee: Mobay Chemical CorporationInventor: Herbert L. Heiss
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Patent number: 4220727Abstract: This invention relates to compositions and methods for forming polyether polyurethanes utilizing internal release additives for the purpose of facilitating mold release in the production of molded objects. The invention discloses four classes of internal release additives: (1) mixtures of aliphatic or aryl carboxylic acid and a polar metal compound; (2) caboxyalkylsiloxanes; (3) aliphatic glyoximes; and (4) aralkyl quaternary ammonium salts.Type: GrantFiled: July 12, 1978Date of Patent: September 2, 1980Assignee: Union Carbide CorporationInventor: Robert E. Godlewski
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Patent number: 4217436Abstract: Novel bis cyclic ureas are disclosed having the formula ##STR1## wherein C.sub.n H.sub.a n represents alkylene from 4 to 12 inclusive and provided there are at least 4 carbon atoms in succession in the chain and R is the residue obtained by the removal of both halogen atoms from a diacid halide.The bis cyclic ureas are easily converted to a novel class of aliphatic diisocyanates simply by heating. Alternatively, they are blended with polymeric polyols to form one-component storage stable compositions which are thermally converted to polyurethane resins without any significant volatile or side product formation.Type: GrantFiled: December 11, 1978Date of Patent: August 12, 1980Assignee: The Upjohn CompanyInventors: Reinhard H. Richter, Benjamin W. Tucker, Henri Ulrich
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Patent number: 4211848Abstract: A polyisocyanate is reacted with an unsaturated polyester containing a vinyl monomer and a water-binding agent, then cured with water containing an oxidated silicon compound and an initiator such as a peroxide to produce solid or cellular solid inorganic-organic plastic.Type: GrantFiled: January 26, 1979Date of Patent: July 8, 1980Inventor: David H. Blount
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Patent number: 4204051Abstract: This invention relates to a process for the preparation of new organic compounds having blocked hydroxyl groups, which compounds are converted by the action of moisture into compounds having free hydroxyl groups, the preferred compounds obtainable by this process, and a process for the preparation of polyurethanes in which mixtures containing polyisocyanates and compounds which can be converted into polyols by hydrolysis are reacted with water.Type: GrantFiled: June 12, 1978Date of Patent: May 20, 1980Assignee: Bayer AktiengesellschaftInventors: Wolfgang Wellner, Hermann Gruber
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Patent number: 4195132Abstract: The present invention relates to novel, substantially insoluble and infusible plastics which are cross-linked by way of triazine rings and, optionally, by way of tri-substituted bis-oxymethylene urea groups or urethane groups.Type: GrantFiled: May 5, 1977Date of Patent: March 25, 1980Assignee: Bayer AktiengesellschaftInventors: Rudolf Sundermann, Gunther Rottloff, Ernst Grigat
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Patent number: 4184031Abstract: Curing catalysts comprising organo metallic compounds, and carboxylic acids or compounds convertible thereto, processes for their use and compositions containing them are disclosed. The compositions enable the control of the curing rate profile of hydroxy terminated polybutadiene based urethane propellant binders, and the cure rate profile of polyurethane resin systems generally.Type: GrantFiled: October 11, 1977Date of Patent: January 15, 1980Assignee: Thiokol CorporationInventors: William H. Graham, Inella G. Shepard
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Patent number: 4182812Abstract: A process is described for preparing hydantoins by reacting an isocyanate or isothiocyanate having 2 or more isocyanate or isothiocyanate groups with an unsaturated diamide at 0.degree.-450.degree. C. said diamide being a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.6 may be the same or different and each is from the group consisting of hydrogen, alkyl of 1-20 carbon atoms, alkenyl or 1-20 carbon atoms, aryl of 4-20 carbon atoms and aralkyl or 7-20 carbon atoms, and R.sub.4 and R.sub.6 together are additionally together a heterocyclic having 3-7 carbon atoms wherein the nitrogen heteroatom is bonded to both R.sub.3 and R.sub.6, andR.sub.1 and R.sub.2 are also additionally halogen, andx and y each are integers from 1 to 3, with the proviso that at least one of x and y is 1.Type: GrantFiled: November 23, 1977Date of Patent: January 8, 1980Assignee: Bayer AktiengesellschaftInventors: Wilfried Zecher, Rudolf Merten
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Patent number: 4180645Abstract: This invention is concerned with autoxidizable coating compositions which contain(a) a member selected from the group consisting of an organic polyisocyanate, a urethane oil, and a uralkyd;(b) at least one non-volatile reactive liquid monomer selected from the group consisting of dicyclopentenyl acrylate and dicyclopentenyl methacrylate; and(c) an effective amount of a polyvalent metal-containing complex or salt that catalyzes the curing of (a) and (b).Use of the non-volatile reactive liquid component enables the production of coating compositions having high application solids content and yet having suitable viscosity for efficient handling. The coatings obtained from the compositions of the present invention combine the typical desirable properties including durability, weather-resistance, etc.Type: GrantFiled: May 22, 1978Date of Patent: December 25, 1979Assignee: Rohm and Haas CompanyInventors: William D. Emmons, Kayson Nyi, Peter R. Sperry
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Polyurethane coating compositions containing unsaturated esters of glycol monodicyclopentenyl ethers
Patent number: 4178425Abstract: This invention is concerned with autoxidizable coating compositions which contain(1) a member of the group consisting of an organic polyisocyanate, an isocyanate-modified drying oil, and a uralkyd;(2) at least one non-volatile reactive liquid monomer selected from the group consisting of dicyclopentenyloxyalkyl acrylate and dicyclopentenyloxyalkyl methacrylate; and(3) an effective amount of a polyvalent metal-containing complex or salt that catalyzes the curing of (1) and (2).Use of the non-volatile reactive liquid component enables the production of coating compositions having high application solids content and yet having suitable viscosity for efficient handling. The reduced volatile component improves the environmental aspects of preparing and using the coating compositions while the combining of these materials in the film results in enhancement of the film properties without detriment to the qualities normally desired and attained with the polyurethane type of coating composition.Type: GrantFiled: May 22, 1978Date of Patent: December 11, 1979Assignee: Rohm and Haas CompanyInventors: William D. Emmons, Kayson Nyi -
Patent number: 4174307Abstract: Novel compounds which are the products of monomeric organic reactants containing one or more active hydrogen atoms as determined by the Zerewitinoff method, e.g., a polyol, and organic polyisocyanates, e.g., diisocyanates, in such amounts as to provide about two isocyanate groups for each active hydrogen-containing group thereby forming isocyanate terminated intermediates which are reacted with monomeric organic reactants having at least one active hydrogen-containing group and preferably also an unsaturated group, preferably in a terminal position. One of the monomeric organic active hydrogen-containing reactants must have only one active hydrogen.Type: GrantFiled: July 31, 1978Date of Patent: November 13, 1979Assignee: Polychrome CorporationInventor: William Rowe
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Patent number: 4150212Abstract: This invention relates to new catalyst combinations having improved catalytic activity for isocyanate polyaddition reactions. The catalysts are combinations of known metal catalysts with aromatic compounds which contain at least one nitrogen atom as a hetero atom and have at least one primary amino group in the ortho- or para-position to the hetero atom. Preferred aromatic compounds include ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 which may be the same or different, each represent a hydrogen atom, an aliphatic hydrocarbon group having from 1 to 6 carbon atoms or an aromatic hydrocarbon group having from 6 to 12 carbon atoms or two of the groups R.sub.1 to R.sub.4 represent a condensed aromatic ring.Type: GrantFiled: June 23, 1978Date of Patent: April 17, 1979Assignee: Bayer AktiengesellschaftInventor: Holger Meyborg
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Patent number: 4145515Abstract: Methods of forming liquid, low viscosity, low molecular weight, cross-linkable, stable polyurethane prepolymers which comprise: reacting polyisocyanates, and preferably aliphatic and cycloaliphatic diisocyanates, with polyhydroxy compounds or polyols, and preferably diols, triols, tetrols, and mixtures thereof; the polyols having a molecular weight of from about 62 to about 3000; the polyisocyanates and the polyols being added to the reaction mixture in an NCO/OH ratio in the range of from about 0.7:1 to about 6:1, and preferably from about 1.6:1 to about 4:1; the reaction taking place preferably in an inert, non-reactive organic solvent such as xylene; in the absence of any reaction catalysts, or in the presence of a relatively very low concentration of reaction catalysts of from about 0.00005% by weight to about 0.8% by weight, based on the total weight of the reaction mixture; at a reaction temperature of from about 0.degree. C. to about 70.degree. C., and preferably from about 0.degree. C. to about 40.Type: GrantFiled: December 1, 1976Date of Patent: March 20, 1979Assignee: Congoleum CorporationInventors: Vincent F. Pogozelski, Robert P. Conger
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Patent number: 4132843Abstract: The invention relates to completely or partially blocked diisocyanates.Type: GrantFiled: March 18, 1977Date of Patent: January 2, 1979Assignee: Hoechst AktiengesellschaftInventor: Horst Dalibor
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Patent number: 4128531Abstract: A thermosetting resin composition comprising a polyfunctional epoxy compound such as diglycidyl ether of bisphenol A, a polyfunctional isocyanate such as diphenylmethane diisocyanate, a curing agent and polybutadiene type polymer having terminal hydroxyl groups can produce cured articles excellent in heat resistance and crack resistance.Type: GrantFiled: October 18, 1977Date of Patent: December 5, 1978Assignee: Hitachi Chemical Company, Ltd.Inventors: Shinichi Toyoda, Masahiko Sakai, Kazuo Goto, Toshikazu Narahara, Yoshiharu Karasawa
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Patent number: 4128537Abstract: Process for the preparation of ethylenically unsaturated isocyanurates comprising reacting polyisocyanate with a monohydric alcohol containing a vinylidene group in the presence of a copper salt to form an isocyanate-containing urethane and then trimerizing the isocyanate-containing urethane to form an ethylenically unsaturated isocyanurate. The ethylenically unsaturated isocyanurate may be homopolymerized or copolymerized with ethylenically unsaturated monomers to form high molecular weight polymers having excellent physical properties.Type: GrantFiled: July 27, 1977Date of Patent: December 5, 1978Assignee: ICI Americas Inc.Inventor: Kenneth H. Markiewitz
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Patent number: 4122058Abstract: Rapid-setting polyurethanes are prepared employing as the modifier component therein a cyclic unsaturated aliphatic hydrocarbon having an atmospheric boiling point above about 140.degree. C such as dicyclopentadiene.Type: GrantFiled: November 14, 1977Date of Patent: October 24, 1978Assignee: The Dow Chemical CompanyInventor: Franciszek Olstowski
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Patent number: 4119594Abstract: According to a preferred practice of the invention, thermoset polyurethanes are molded from a mixture of solid particles of hydroquinone di-(beta-hydroxyethyl)ether (HQEE) and zinc stearate dispersed in a liquid mixture of a polyether polyol and a liquid form of diphenylmethane diisocyanate. The use of the HQEE chain extender and the zinc stearate catalyst provides a unique one-shot molding mixture that is relatively unreactive at room temperature, but polymerizes and cures rapidly upon heating. It has a pot life of at least several hours and is suitable for use in injection molding equipment generally used in processing thermoplastic material.Type: GrantFiled: May 31, 1977Date of Patent: October 10, 1978Assignee: General Motors CorporationInventors: Stanley A. Iobst, Howard W. Cox
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Patent number: 4115372Abstract: Novel solvent soluble and injection moldable copolyamideimides are disclosed that are characterized in that from about 30 percent to about 70 percent of the recurring units are ##STR1## and in the remaining 30-70 percent of the recurring units are ##STR2## wherein C.sub.n H.sub.2n represents alkylene from 7 to 12 carbon atoms, inclusive, and Ar is ##STR3## where X = --SO.sub.2 --, --CO--, --O--, or alkylene (C.sub.1-4). The copolyamideimides are further characterized by ease of melt processing such as by extruding or injection molding while at the same time prossessing good high temperature stability and unexpectedly high impact and tensile yield strengths.Type: GrantFiled: January 21, 1977Date of Patent: September 19, 1978Assignee: The Upjohn CompanyInventor: Kemal B. Onder
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Patent number: 4115295Abstract: Two-part polymerizable compositions are described which contain (a) organic material having epoxide functionality, (b) organic material having hydroxyl functionality, and (c) a catalyst comprising highly fluorinated aliphatic sulfonyl protonic acid or a compound capable of liberating such acid. The compositions polymerize essentially completely at room temperature (or at slightly elevated temperatures). The polymerized compositions have desirable dielectric properties and are therefore especially useful for potting electrical components.Type: GrantFiled: April 26, 1976Date of Patent: September 19, 1978Assignee: Minnesota Mining and Manufacturing CompanyInventors: Janis Robins, James E. Kropp, Chung I. Young
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Patent number: 4098730Abstract: This invention relates to a non-flammable homogeneous or foamed organo-red mud polymers, which essentially comprise the reaction product of red mud and a compound possessing at least two isocyanate groups.Type: GrantFiled: August 27, 1976Date of Patent: July 4, 1978Assignees: Metallgesellschaft Aktiengesellschaft, Chemie-Anlagenbau Bischofsheim GmbH, Reuter Technologie GmbHInventors: Karl Heinz Hilterhaus, Franz Gottfried Reuter
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Patent number: 4098733Abstract: Polyurethane and vinyl polymer composites are rapidly prepared without the requirement of the application of an external source of heat by the admixture of a composition comprising(A) a polyether polyol having an equivalent weight of 30-250, such as an adduct of glycerine with propylene oxide;(B) an organic polyisocyanate, such as toluene diisocyanate;(C) an ethylenically unsaturated monomer, such as styrene;(D) a catalyst for polymerizing ethylenically unsaturated monomers such as tertiary butyl perbenzoate; and(E) a catalyst for urethane formation such as lead octoate.Foams may also be prepared by adding an appropriate foaming agent.Type: GrantFiled: May 23, 1977Date of Patent: July 4, 1978Assignee: The Dow Chemical CompanyInventors: Franciszek Olstowski, Donald B. Parrish