Chemical Treating Agent Contains A Phosphorus Atom Patents (Class 525/340)
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Patent number: 4957976Abstract: A process for preparing modified diene polymer rubbers having an increased impact resilience and a reduced hardness at low temperatures and useful as rubber materials for automobile tires and other industries which comprises producing an alkali metal-containing conjugated diene polymer, and reacting the alkali metal-containing polymer with a modifier selected from the group consisting of a nitro compound, a phosphoryl chloride compound of the formula: ##STR1## wherein R.sup.1 to R.sup.4 are independently an alkyl group, and an aminosilane compound of the formula: ##STR2## wherein R.sup.5 to R.sup.7 are independently an alkyl group or an alkoxyl group, R.sup.8 and R.sup.9 are independently an alkyl group, and n is an integer, said alkali metal-containing diene polymer being prepared by a living anionic polymerization using an alkali metal-based catalyst or by an addition reaction of a diene polymer having conjugated diene units and an alkali metal-based catalyst in a hydrocarbon solvent.Type: GrantFiled: September 29, 1989Date of Patent: September 18, 1990Assignee: Sumitomo Chemical Company LimitedInventors: Hiroyoshi Takao, Akio Imai, Tomoski Seki, Mitsuji Tsuji
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Patent number: 4957975Abstract: A composition that exhibits low tendency to foul mold cavities comprising a fluoroelastomer of vinylidene fluoride units and units of at least one other fluorine-containing monomer copolymerizable with vinylidene fluoride; a bisphenol or a polyhydroxy phenol crosslinking agent of the formula ##STR1## where R is H, alkyl or aryl and R' is alkyl or aryl; a divalent metal oxide or hydroxide; and 0.2-4 parts by weight per 100 parts by weight fluoroelastomer of a crosslinking accelerator which is a quaternary ammonium salt of the formula R".sub.4 N.sup.+ X.sup.- wherein each R" is independently an alkyl group of 2-10 carbon atoms or an aralkyl group of 7-10 carbon atoms and X.sup.- is selected from the group consisting of fluoride, dihydrogen phosphate, periodate, acetate, hydrogen sulfate, methane sulfonate, toluene sulfonate, or an anion of a bisphenol or a polyhydroxy phenol.Type: GrantFiled: March 14, 1988Date of Patent: September 18, 1990Assignee: E. I. Du Pont de Nemours and CompanyInventors: Dana P. Carlson, Walter W. Schmiegel
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Patent number: 4957977Abstract: Disclosed herein is a vinylamine copolymer having the structural units represented by the following formulas (I), (II), (III), (IV) and (V): ##STR1## wherein X.sup..crclbar. represents an anion or hydroxyl ion, R represents a hydrogen atom or a methyl group, M.sup..sym. represents a hydrogen ion or a monovalent cation, in which the molar fraction of the structural unit (I) is 5 to 85% by mole, the molar fraction of the structural unit (II) is 2 to 85% by mole, the molar fraction of the structural unit (III) is 5 to 80% by mole, the molar fraction of the structural unit (IV) is 0 to 40% by mole, all of said molar fractions being based on the vinylamine copolymer and the molar fraction of the structural unit (V) is 0 to 8% by mole which is based on the total content of the structural units (III), (IV) and (V), a flocculating agent and a paper strength increasing agent using the vinylamine copolymer, and a process for producing the vinylamine copolymer.Type: GrantFiled: January 25, 1990Date of Patent: September 18, 1990Assignee: Mitsubishi Kasei CorporationInventors: Takaharu Itagaki, Mitsuaki Shiraga, Shigeru Sawayama, Kohichi Satoh
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Patent number: 4950721Abstract: A method for preparing functionalized polymers formed by anionic polymerization, e.g., polystyrene, polyisoprene, etc., generally comprising the steps of conducting anionic polymerization, contacting the polymer so formed with CO.sub.2 in the presence of a polar diluent, then conducting an ion-exchange reaction between the carbonated polymer product and a hydrocarbon soluble salt.Type: GrantFiled: October 3, 1989Date of Patent: August 21, 1990Assignee: Exxon Chemical Patents Inc.Inventors: Anthony J. Dias, Joseph A. Olkusz
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Patent number: 4943618Abstract: A method is disclosed for preparing polyacrylonitrile copolymers by Heterogeneous reaction of polyacrylonitrile aquagel. Generally, the method includes the steps of preparing a solution of polyacrylonitrile by dissolving the polyacrylonitrile in a water-miscible solvent which is capable of dissolving the polyacrylonitrile but incapable of hydrolyzing the nitrile groups of the polyacrylonitrile under the dissolution conditions. Coagulating the polyacrylonitrile solution by replacing the solvent with a coagulating fluid such as water or a water-miscible fluid incapable of dissolving polyacrylonitrile at temperatures below 80.degree. C. and incapable of reacting with the nitrile groups of the polyacrylonitrile, thus obtaining the polymer in the aquagel state. Replacing the coagulating fluid with a fluid reagent capable of reacting with the nitrile groups of the polyacrylonitrile aquagel but incapable of dissolving the polyacrylonitrile aquagel at the selected reaction temperature.Type: GrantFiled: December 18, 1987Date of Patent: July 24, 1990Assignee: Kingston Technologies Limited PartnershipInventors: Vladimir A. Stoy, George P. Stoy, Jan Lovy
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Patent number: 4931509Abstract: A curable elastomeric composition comprising an epoxy group-containing acrylate-type elastomer in combination with (1) a polycarboxylic acid or its anhydride, (2) a quaternary ammonium or phosphonium salt and (3) a urea.Type: GrantFiled: April 3, 1987Date of Patent: June 5, 1990Assignees: Nippon Zeon Co., Ltd., Toyoda Gosei Co., Ltd.Inventors: Shigelu Yagishita, Masatoshi Sugimoto, Tomoaki Okita
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Patent number: 4927892Abstract: The present invention relates to a process for the preparation of a functionalized polymer comprising reacting a polymer or copolymer of a conjugated diene, at least part of the (co)polymer being formed by 1,2-polymerization, with (a) CO and (b) water and/or an alcohol, in the presence of (i) a Pd compound, (ii) a ligand and (iii) an acid, except hydrohalogenic acids.Type: GrantFiled: October 11, 1988Date of Patent: May 22, 1990Assignee: Shell Oil CompanyInventors: Eit Drent, Antonius A. Broekhuis
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Patent number: 4912170Abstract: This invention relates to a p-methyl styrene polymer represented by the following formula: ##STR1## Z denotes a group such as a functional group. Poly p-methylstyrene (PPMS) is lithiated by reaction with n-butyllithium. The lithiated PPMS is used to prepare polymers containing functional groups. As an example, a solution of PPMS (MW 260,000), 1.0 g in 20 ml of cyclohexane, was reacted with n-butyllithium, 8.5 mmol, and tetramethylethylenediamine, 8.7 mmol, for 20 hours to obtain a precipitate. The precipitate was dissolved in THF, and CO.sub.2 was blown into the solution. The solution was washed with an aqueous solution of HCl and dropped into methanol to obtain a solid polymer having carboxyl group functionality.Type: GrantFiled: December 22, 1988Date of Patent: March 27, 1990Assignee: Toa Nenryo Kogyo K.K.Inventors: Tadashi Niwa, Masayuki Kato, Yoshio Taguchi, Chihiro Imai, Tokuo Makishima, deceased, by Nobuko Makishima, legal representative
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Patent number: 4912171Abstract: A fluoroelastomer composition curable in reactive admixture with an acid acceptor that includes an elastomeric gum consisting essentially of vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin and a combination of(A) polyhydroxy compound, and(B) organo-onium compound,and process of curing the elastomeric copolymer with an admixture of (A) and (B) and an acid acceptor, and the resulting shaped or formed, cured articles are described.Type: GrantFiled: August 17, 1989Date of Patent: March 27, 1990Assignee: Minnesota Mining and Manufacturing CompanyInventors: Werner M. A. Grootaert, Robert E. Kolb
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Patent number: 4902750Abstract: The subject invention relates to N-[3-phosphoranylidenyl-1-azacyclopenta-2,4-dione] radical-containing-compounds which are effective, storage stable latent catalysts for a variety of high performance resin systems.Type: GrantFiled: March 9, 1989Date of Patent: February 20, 1990Assignee: BASF AktiengesellschaftInventor: Hong-Son Ryang
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Patent number: 4902601Abstract: Radiation sensitive material suitable for the production of radiation sensitive plates for lithographic printing plate manufacture is based on a polymer including a plurality of structural units represented by the formula: ##STR1## in which, R represents H or CH.sub.3 ; each R.sub.1, which may be the same or different represents H or alkyl; R.sub.2 represents a single bond or a substituted or unsubstituted divalent radical; Ar represents a substituted or unsubstituted divalent radical derived from an aromatic or heteroaromatic compound; X represents O, S or NH; A represents an anion; Y represents a carbonyl oxy or aromatic radical; and n is an integer equal to or greater than 1.Type: GrantFiled: January 19, 1989Date of Patent: February 20, 1990Assignee: Vickers PLCInventors: Rodney M. Potts, Michael J. Pratt, Keith M. Fletcher
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Patent number: 4902751Abstract: A process for the preparation of hydroxamated polymers of acrylamide is disclosed whereby the polymer is reacted with a hydroxylamine salt at pH of at least about 8.0.Type: GrantFiled: June 5, 1989Date of Patent: February 20, 1990Assignee: American Cyanamid CompanyInventors: Morris E. Lewellyn, Donald P. Spitzer
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Patent number: 4894407Abstract: An extraction composition useful for extracting gold or silver values from aqueous systems containing gold or silver cyanide anions. Useful extractions include organic oxides of phosphrous and sulfur attached to an inert resinous substrate.Type: GrantFiled: August 15, 1988Date of Patent: January 16, 1990Assignee: University of UtahInventors: Jan D. Miller, Spiro D. Alexandratos
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Patent number: 4882390Abstract: A fluoroelastomer composition curable in reactive admixture with an acid acceptor that includes an elastomeric gum consisting essentially of vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin and a combination of(A) polyhydroxy compound, and(B) organo-onium compound, and process of curing the elastomeric copolymer with an admixture of (A) and (B) and an acid acceptor, and the resulting shaped or formed, cured articles are described.Type: GrantFiled: February 15, 1989Date of Patent: November 21, 1989Assignee: Minnesota Mining and Manufacturing CompanyInventor: Robert E. Kolb
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Patent number: 4857574Abstract: Stable dispersion of addition (co)polymers in an inert relatively non-polar organic hydrocarbon liquid, the dispersed particles embracing both a (co)polymer and a polymer containing an ethylenically unsaturated monomer. The (co)polymers are substantially composed of:(a) 5 to 100 mole % of styrene and/or methyl styrene;(b) 0 to 95 mole % of alkyl methacrylate having 1 or 2 carbon atoms in the alkyl group and/or alkoxyalkylene methacrylate having 1 or 2 carbon atoms in the alkoxy group and the alkylene group;(c) 0 to 40 mole % of alkyl methacrylate having 3 to 12 carbon atoms in the alkyl group;(d) 0 to 40 mole % of hydroxalkyl methacrylate having 2 to 12 carbon atoms in the alkyl group and/or glycidyl methacrylate; and(e) 0 to 20 mole % of m methacrylic acid.The (co)polymers are grafted to a polymer of a number average molecular weight of 2000 to 10.Type: GrantFiled: February 11, 1988Date of Patent: August 15, 1989Assignee: Akzo nvInventor: Roelof Buter
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Patent number: 4855211Abstract: Phosphonium mordanting polymer, that is capable of fixing acid dyes and that comprises randomly distributed recurring units corresponding to the general formula (I) ##STR1## wherein: A represents a unit that is derived from a copolymerizable monomer capable of quenching singlet oxygen e.g. N-vinylimidazole or 2-methyl-1-vinylimidazole;B represents a unit that is derived from a copolymerizable monomer having a hydrophobic character e.g. acrylonitrile or methacrylonitrile;n represents an integer of from 1 to about 12;each of R.sub.1, R.sub.2 and R.sub.3 (same or different) represents a C.sub.1 -C.sub.8 alkyl group e.g. n-butyl, a substituted C.sub.1 -C.sub.8 alkyl group e.g. a methylol group, a cyanoethyl group or an aralkyl group, a cycloalkyl group, an aryl group e.g. phenyl, or a substituted aryl group;X.sup.- represents an acid anion e.g. a halogen anion e.g. Cl.sup.-, Br.sup.- or I.sup.-, or an anion derived from an inorganic acid e.g. NO.sub.3.sup.-, HSO.sub.4.sup.-, SO.sub.4.sup.--, H.sub.2 PO.sub.4.sup.Type: GrantFiled: August 4, 1988Date of Patent: August 8, 1989Assignee: Agfa-Gevaert, N.V.Inventors: Wilhelmus Janssens, Daniel M. Timmerman, Daniel A. Claeys
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Patent number: 4840999Abstract: Dehydrogenated poly(spiro[2,4]hepta-4,6-diene) which is insoluble in organic solvents, has an electrical conductivity of at least 10.sup.-10 S.times.cm.sup.-1, and contains, relative to the total number of recurring structural units in the polymer, 0-90 mol % of the recurring structural units of the formulae I and II ##STR1## in which R.sup.1 is in each case a hydrogen atom or an alkyl group having 1 to 4 C atoms, and 10-100 mol % of at least one of the recurring structural units of the formulae III to VI ##STR2## in which R.sup.1 is as defined in formula I or II and X.sup.- is a bromide or iodide ion or an anion of a Lewis or protonic acid, is obtained by treating poly(spiro[2,4]-hepta-4,6-diene) with bromine, iodine or a Lewis or proton-donating acid, and can be used in an electrically conducting material for the production of, for example, conductors, electrodes, batteries or semiconductor components.Type: GrantFiled: September 11, 1987Date of Patent: June 20, 1989Assignee: Ciba-Geigy CorporationInventors: Bernd Tieke, Sheik A. Zahir
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Patent number: 4828923Abstract: Disclosed is a process for the preparation of rubber laminates. According to this process, a rubber laminate having a high bonding strength can be obtained by contacting an uncured composition A comprising a fluororubber and a metal oxide with an uncured composition B comprising a nitrile group-containing polymer rubber and a phosphonium salt represented by the following general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each stand for a hydrocarbon residue having 1 to 20 carbon atoms, which may be substituted, with the proviso that up to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be a primary, secondary or tertiary amino group or a fluoroalkyl group, and R.sub.5 stands for a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, and curing the uncured compositions.Type: GrantFiled: April 6, 1988Date of Patent: May 9, 1989Assignee: Nippon Zeon Co., Ltd.Inventors: Takashi Nakagawa, Osamu Sugimoto
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Patent number: 4816522Abstract: Halocarbons are readily bonded to a variety of substrates, including metals, polyolefins, styrenics, polyamides and thermoplastic polyesters, by treating the surface(s) to be bonded with a neoalkoxy zirconate compound. The articles produced by the aforesaid process resist delamination. Applicable fluorinated compounds include fluorinated polymers such as Teflon. The specific zirconate compound preferred is dependent on the particular substrate and the halogenated organic compound to be bonded. Preferred are organo-zirconates having the formula: ##STR1## wherein R, R.sup.1 and R.sup.2 are each monovalent hydrocarbon groups or substantive derivatives thereof; the A groups are independently selected from diester phosphates, diester pyrophosphates, oxyalkylamino, oxyalkylarylamino, or sulfonyl groups; B is an R'.sub.2 C group or a carbonyl group; R' is a hydrogen group or an alkyl group having from 1 to 6 carbon atoms; and n is 1 or 2.Type: GrantFiled: March 24, 1988Date of Patent: March 28, 1989Assignee: Kenrich PetrochemicalsInventors: Gerald Sugerman, Salvatore J. Monte
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Patent number: 4797452Abstract: This invention discloses a process for selectively hydrogenating double bonds in unsaturated polymers, such as polybutadiene. The utilization of the process of this invention results in a rate of vinyl hydrogenation which is slowed relative to the rate of backbone hydrogenation. By utilizing the process of this invention, the rate of hydrogenation of double bonds in the polymers is satisfactory. The process of the subject invention more specifically comprises contacting a polymer containing double bonds in its backbone and vinyl unsaturation with hydrogen in the presence of a polymer containing pendant groups having the structural formula --Rh(P.phi..sub.3).sub.2 X wherein .phi. represents a phenyl group and wherein X represents a halogen atom. Polymers having pendant --P.phi..sub.2 --Rh(P.phi..sub.3).sub.2 X groups are highly preferred catalysts for utilization in the selective hydrogenations of this invention.Type: GrantFiled: February 19, 1987Date of Patent: January 10, 1989Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson G. Wideman, Wen-Liang Hsu
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Patent number: 4774262Abstract: A water insoluble ion exchange resin having a crosslinked, three dimensional resin skeleton and an active group of the formula: ##STR1## wherein R is selected from the group consisting of hydrogen and an alkyl radical having 1-15 carbon atoms and having at most two branchings in the alkyl group, and A is a mono-, di-, or tri-substituted ethylene radical or mono- or di-substituted methylene radical, wherein the substituents are selected from the group consisting of an alkyl group having at most two branchings, hydroxy, an amino group and hydrogen and wherein A provides a link binding the active group to the resin skeleton.Type: GrantFiled: November 27, 1985Date of Patent: September 27, 1988Assignees: Minemet Recherche, Societe Nationale des Poudres et ExplosifsInventors: Pierre Blanquet, Francois Ricalens
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Patent number: 4769419Abstract: Novel structural adhesive compositions for metal-bonding applications. The adhesives comprise olefinic-terminated liquid rubbers which are reacted with monoisocyanate compounds. The compositions according to the present invention are especially useful in formulating ambient temperature curable structural adhesive compositions.Type: GrantFiled: December 1, 1986Date of Patent: September 6, 1988Inventor: Terrance H. Dawdy
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Patent number: 4758618Abstract: A curable composition comprising an elastomeric vinylidene fluoride copolymer, a polyhydroxy compound and a vulcanization accelerator, characterized in that said copolymer contains from 2 to 50 mol % of vinylidene fluoride units and unsaturated bonds introduced by reacting an untreated elastomeric vinylidene fluoride copolymer dispersed in an aqueous medium, with an aqueous alkaline solution containing an onium compound.Type: GrantFiled: September 3, 1986Date of Patent: July 19, 1988
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Patent number: 4749728Abstract: A new transesterification catalyst comprises an epoxide and a non-acidic nucleophilic onium salt.Coating compositions having hydroxyl functional resin components and carboxylic ester components adapted for curing by transesterification following application to a substrate are formulated with in-situ formed cure catalyst comprising a non-acidic nucleophile and an epoxide-to-product coatings that readily cure by transesterification. Such coatings including polyesters, polyepoxides, and polyacrylates are useful in formulating high solids coatings and powder coatings having exceptional physical properties.Extremely low-temperature cure coatings were obtained by transesterifying mixtures of polyols and polymeric esters having multiple activated ester linkages having the structure ##STR1## wherein R' is lower alkyl and Y is --OH and O-alkyl radicals. These coatings provide low-temperature cure coatings for paper, plastic, and wood in addition to metal substrates.Type: GrantFiled: June 6, 1986Date of Patent: June 7, 1988Assignee: The Glidden CompanyInventors: Gary P. Craun, Kirk J. Abbey
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Patent number: 4748208Abstract: A curable fluoroelastomer composition comprising:(a) a fluoroelastomeric copolymer of vinylidene fluoride and at least one other fluorinated monomer;(b) a curing accelerator comprising an iminum compound of the formula ##STR1## wherein R.sub.1 is a substituted or unsubstituted aryl group, R.sub.2 is an alkyl or halogenated alkyl group, a cycloalkyl or halogenated cycloalkyl group, or a substituted or unsubstituted aralkyl group, and X is a halogen atom;(c) a polyhydroxy compound as a cross-linking agent; and(d) a metal compound selected from a divalent metal hydroxide, a divalent metal oxide or a mixture thereof.Type: GrantFiled: June 5, 1987Date of Patent: May 31, 1988Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Michio Kasahara, Hideaki Kodera
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Patent number: 4743643Abstract: Stable dispersion of addition (co)polymers in an inert relatively non-polar organic hydrocarbon liquid, the dispersed particles embracing both a (co)polymer and a polymer containing an ethylenically unsturated monamer. The (co)polymers are substantially composed of:(a) 5 to 100 mole % of styrene and/or methyl styrene;(b) 0 to 95 mole % of alkyl methacrylate having 1 or 2 carbon atoms in the alkyl group and/or alkoxyalkylene methacrylate having 1 or 2 carbon atoms in the alkoxy group and the alkylene group;(c) 0 to 40 mole % of alkyl methacrylate having 3 to 12 carbon atoms in the alkyl group;(d) 0 to 40 mole % of hydroxyalkyl methacrylate having 2 to 12 carbon atoms in the alkyl group and/or glycidyl methacrylate; and(e) 0 to 20 mole % of methacrylic acid.Type: GrantFiled: November 20, 1986Date of Patent: May 10, 1988Assignee: Akzo nvInventor: Roelof Buter
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Patent number: 4742126Abstract: Double bonds in saturated fluoroelastomers consisting of copolymers of vinylidene fluoride with hexafluoropropene and/or chlorotrifluoroethylene, and optionally tetrafluoroethylene, are obtained by reacting the polymer in a solution of a water-insoluble solvent in the presence of an aqueous phase, an inorganic base, and a phase-transfer catalyst.Type: GrantFiled: January 20, 1987Date of Patent: May 3, 1988Assignee: Ausimont S.p.A.Inventors: Giovanni Moggi, Piergiorgio Bonardelli, Graziella Chiodini, Stefano Conti
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Patent number: 4742096Abstract: Improved powder coating compositions comprise a hydroxyl functional binder having carboxylic ester functionality and a transesterification cure catalyst comprising an epoxide and a non-acidic nucleophile, preferably onium salts. Resins such as hydroxyl functional acrylic, hydroxyl functional polyester, ester functional polyesters, and methyl succinate esters of bisphenol epoxides transesterify in the presence of an epoxide and phosphonium salts such as tetrabutylphosphonium acetate and yield coatings having exceptional hardness, impact resistance and solvent resistance at bake temperatures of about 300.degree. F.Type: GrantFiled: August 1, 1986Date of Patent: May 3, 1988Assignee: The Glidden CompanyInventor: Gary P. Craun
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Patent number: 4734465Abstract: Vulcanizable fluoroelastomer compositions having as base a copolymer of vinylidene fluoride (from 40 to 84 mol %) with perfluoropropene (15 to 30 mol %) and with tetrafluoroethylene (0.30 mol %) and containing a vulcanizing agent of the polyhydroxy compound type, an accelerator of the aminophosphinic compound type, metal oxides and/or hydroxides of basic character and an alkyl, cycloalkyl or aryl compound from the group of phosphoric esters, aminophosphoric esters, sulfoxides and sulfones.Type: GrantFiled: July 22, 1986Date of Patent: March 29, 1988Assignee: Montedison S.p.A.Inventors: Giovanni Moggi, Gianna Cirillo
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Patent number: 4710545Abstract: Polymer-bound alkyl diarylphosphinite catalyst compositions having the formula I: ##STR1## wherein the trivalent phosphorus is substituted by one alkoxy group and one aryl group and wherein the third bond of phosphorus is a P-C bond to a pendant aryl groups of the polymer matrix and wherein .circle.p --C.sub.6 H.sub.4 -- is a polymer matrix containing aromatic groups such as polystyrene cross-linked with divinylbenzene and wherein at least 1% of pendant aryl groups of the polymer matrix are bound to phosphorus and wherein Ar is substituted by electron-donating groups such as alkyl, alkoxy, and N,N-dialkylamino, are disclosed. Polymer-bound aryl dialkyl phosphonites having the formula II, .circle.p --C.sub.6 H.sub.4 --P(OR).sub.2 and polymer-bound diarylphosphinous chlorides having the formula .circle.p --C.sub.6 H.sub.4 --P--(Ar')--Cl are also disclosed. Processes for making the polymer-bound phosphinites, phosphonites and phosphinous chlorides are also disclosed.Type: GrantFiled: August 19, 1985Date of Patent: December 1, 1987Assignee: Allied CorporationInventors: William J. Boyle, Jr., Frank Mares, Andrea M. Corbo
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Patent number: 4689289Abstract: Block polymer compositions are provided which are useful as positive or negative resists utilizing aryl onium salts in combination with silicone-organic block polymers, such as polydimethylsiloxane-poly-t-butylmethacrylate block polymers. A silicone prepolymer is used in combination with certain polymerizable vinyl monomers such as t-butylmethacrylate. The silicone prepolymer has chemically combined pinacolate groups in the backbone or terminal positions which are capable of generating free-radicals upon thermolysis.Type: GrantFiled: April 30, 1986Date of Patent: August 25, 1987Assignee: General Electric CompanyInventor: James V. Crivello
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Patent number: 4680339Abstract: A high temperature, pressurized process is described to synthesize substituted carboxylated modified acrylamide polymers represented by the structure: ##STR1## wherein X is from the group --SO.sub.3 M, --PO.sub.3 M.sub.2, --COOR, --OR, ##STR2## and mixtures thereof.Type: GrantFiled: February 24, 1986Date of Patent: July 14, 1987Assignee: Nalco Chemical CompanyInventor: Dodd W. Fong
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Patent number: 4678840Abstract: A high temperature, pressurized process is described to synthesize phosphonated acrylamide polymers represented by the structure: ##STR1## wherein X is from the group H, OR, Cl, Br, I, --COOM, --SO.sub.3 M, ##STR2## and mixtures thereof.Type: GrantFiled: February 24, 1986Date of Patent: July 7, 1987Assignee: Nalco Chemical CompanyInventors: Dodd W. Fong, David J. Kowalski
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Patent number: 4673715Abstract: A fluoroelastomer composition comprising (a) a fluoroelastomer comprising vinylidene fluoride units and units of at least one other fluorine-containing monomer copolymerizable with vinylidene fluoride, said monomer containing 2-7 carbon atoms and containing at least as many fluorine atoms as carbon atoms, and (b) a phosphonate accelerator for curing the fluoroelastomer having the formula: ##STR1## where R, R.sub.1 and R.sub.2 independently represent an alkyl radical of from 1-8 carbon atoms, a phenyl radical, a phenyl radical substituted with an alkyl group of 1-4 carbon atoms or an aralkyl radical having from 7-13 carbon atoms such fluoroelastomer composition substantially reduces mold fouling during curing.Type: GrantFiled: August 27, 1986Date of Patent: June 16, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Stanley W. Caywood, Jr.
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Patent number: 4663395Abstract: A fluoroelastomer composition comprising (a) a fluoroelastomer comprising vinylidene fluoride units and units of at least one other fluorine-containing monomer copolymerizable with vinylidene fluoride, said monomer containing 2-7 carbon atoms and containing at least as many fluorine atoms as carbon atoms, and (b) a phosphonate accelerator for curing the fluoroelastomer having the formula: ##STR1## where R, R.sub.1 and R.sub.2 independently represent an alkyl radical of from 1-8 carbon atoms, a phenyl radical, a phenyl radical substituted with an alkyl group of 1-4 carbon atoms or anaralkyl radical having from 7-13 carbon atoms such fluoroelastomer composition substantially reduces mold fouling during curing.Type: GrantFiled: July 25, 1985Date of Patent: May 5, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Stanley W. Caywood, Jr.
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Patent number: 4657984Abstract: An aminomethylation reaction is disclosed wherein polymeric polyamines are produced. Polymeric polyolefins such as polybutadiene, secondary amines, and synthesis gas are reacted in the presence of a catalyst system comprising a ruthenium-containing compound, a rhodium-containing compound, a sterically hindered phosphine and a solvent. Preferred polybutadiene feedstocks are those with a predominance of internal rather than pendant vinylic olefin groups and particularly those polymers containing both the 1,2-polybutadiene and 1,4-polybutadiene units.Type: GrantFiled: October 16, 1985Date of Patent: April 14, 1987Assignee: Texaco Inc.Inventors: Edward E. McEntire, John F. Knifton
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Patent number: 4649177Abstract: A process for preparing a nylon block copolymer which comprises bringing into reactive contact lactam monomer, basic lactam polymerization catalyst and a composition containing one or more lactam functional materials selected from the group represented by the formula: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group;Z is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: September 11, 1985Date of Patent: March 10, 1987Assignee: DM Rim Nylon VofInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4645799Abstract: A curable composition comprising an elastomeric vinylidene fluoride copolymer, an organic peroxide and a vulcanization accelerator, characterized in that said copolymer contains unsaturated bonds introduced by reacting an untreated elastomeric vinylidene fluoride copolymer dispersed in an aqueous medium, with an aqueous alkaline solution containing an onium compound.Type: GrantFiled: October 17, 1985Date of Patent: February 24, 1987Assignee: Asahi Glass Company, Ltd.Inventors: Hiroshi Wachi, Seitoku Kaya, Gen Kojima
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Patent number: 4645800Abstract: A composition containing lactam functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, Q is ##STR2## with Y=C.sub.3 -C.sub.11 alkylene; b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group;Z is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a hydrocarbon; (4) a polysiloxane; or (5) combinations thereof.Type: GrantFiled: July 3, 1985Date of Patent: February 24, 1987Assignee: DSM Rim Nylon VOFInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4639475Abstract: The invention relates to an adhesive stick of an adhesive resin dissolved and/or dispersed in an aqueous solvent system and containing a gel-forming component and, if desired, other standard additives. The new adhesive stick is characterized in that its adhesive layers applied by rubbing onto a receiving surface show permanently tacky pressure-sensitive adhesive properties and in that the stick contains the reaction product of sorbitol and/or xylitol and benzaldehyde as the gel-forming component and, as adhesive resin, a reaction mixture from the reaction of methyl vinyl ether/maleic acid anhydride copolymers with partially neutralized acid phosphate esters of nonionic wetting agents of the lower alkylene oxide adduct type.Type: GrantFiled: April 17, 1984Date of Patent: January 27, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Wolfgang Dierichs, Gerhard Gierenz, Gabriella Kraus
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Patent number: 4628075Abstract: A composition containing acid halide functional materials, which are useful in the preparation of nylon block polymers, selected from the group consisting of: ##STR1## wherein, X is a halogen;b is an integer equal to 2 or more;R.sub.1 is an alkyl, aryl, aralkyl, alkyloxy, halogen, aryloxy, or aralkyloxy group; andZ is a segment of: (1) a polyether, provided said polyether is not solely polyarylene polyether; (2) a polyester containing polyether or polymeric hydrocarbon segments (3) a polysiloxane; or (4) combinations thereof.Type: GrantFiled: July 3, 1985Date of Patent: December 9, 1986Assignee: DSM RIM Nylon VOFInventors: James D. Gabbert, Albert Y. Garner, Ross M. Hedrick
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Patent number: 4605706Abstract: A chelate resin having a functional group of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl, aminoalkyl, phenyl or a substituted group thereof and another functional group of the formula: ##STR2## wherein R.sub.3 is amino, alkylamino, polyethylenepolyamino, hydrazo, hydrazino, hydrazono, amidino, guanidino, semicarbazide or a substituted group thereof, has an excellent adsorption capacity for metal ions.Type: GrantFiled: May 28, 1985Date of Patent: August 12, 1986Assignee: Sumitomo Chemical Company, LimitedInventors: Yushin Kataoka, Masaaki Matsuda, Kenji Ochi, Masahiro Aoi
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Patent number: 4605685Abstract: A method for the preparation of a graft polymer membrane comprising an inactive polymer film having TFS as a graft chain. The inactive polymer film is irradiated with ionizing radiation, and the resulting irradiated film is graft-polymerized by contacting said film with TFS.This product may then be sulfonated to provide a cation exchange membrane; or the obtained graft polymer may be haloalkylated, and quarternary aminated to provide an anion exchange membrane; or the graft polymer membrane may be used to prepare a weakly acidic cation exchange membrane by substituting at least part of the benzene rings of the graft polymer by one of the groups among hydroxyl groups, carboxylic acid groups, phosphoric acid groups and phosphorous acid groups.The polymeric membrane products are also disclosed and claimed.Type: GrantFiled: September 6, 1984Date of Patent: August 12, 1986Assignee: Chlorine Engineers Corp., Ltd.Inventors: Takashi Momose, Kazuo Tomiie, Hiroyuki Harada, Hiroshi Miyachi, Hiroko Kato
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Patent number: 4581415Abstract: Polymer-bound alkyl diarylphosphinite catalyst compositions having the formula I: ##STR1## wherein the trivalent phosphorus is substituted by one alkoxy group and one aryl group and wherein the third bond of phosphorus is a P--C bond to a pendant aryl groups of the polymer matrix and wherein .circle.p --C.sub.6 H.sub.4 -- is a polymer matrix containing aromatic groups such as polystyrene cross-linked with divinylbenzene and wherein at least 1% of pendant aryl groups of the polymer matrix are bound to phosphorus and wherein Ar is substituted by electron-donating groups such as alkyl, alkoxy, and N,N-dialkylamino, are disclosed. Polymer-bound aryl dialkyl phosphonites having the formula II, .circle.p --C.sub.6 H.sub.4 --P(OR).sub.2 and polymer-bound diarylphosphinous chlorides having the formula .circle.p --C.sub.6 H.sub.4 --P--(Ar')--Cl are also disclosed. Processes for making the polymer-bound phosphinites, phosphonites and phosphinous chlorides are also disclosed.Type: GrantFiled: July 31, 1984Date of Patent: April 8, 1986Assignee: Allied CorporationInventors: William J. Boyle, Jr., Frank Mares, Andrea M. Corbo
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Patent number: 4581416Abstract: The invention relates to processes for the synthesis of tertiary phosphine oxides and sulfides.The process according to the invention consists, in a first step, of reacting a secondary phosphine oxide or sulfide with an optionally activated alkali metal amide, and, in a second step, of reacting the mixture obtained in the first step with an organic halide containing at least one halogenophenyl radical or one halogenomethyl group.Tertiary phosphine oxides and sulfides are complexing agents of high stability.Type: GrantFiled: January 23, 1984Date of Patent: April 8, 1986Assignee: Societe Nationale des Poudres et ExplosifsInventors: Wilfrid Bergeret, Sylvie Boileau, Jean-Claude Gautier, Serge Raynal
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Patent number: 4574060Abstract: Selective conversion of acrylonitrile into 1,4-dicyano-1-butene by contacting a liquid phase comprising acrylonitrile with an effective amount of a polymer-bound alkyl diarylphosphinite catalyst having the formula I: ##STR1## wherein the trivalent phosphorus is substituted by one alkoxy group and one aryl group and wherein the third bond of phosphorus is a P--C bond to a pendant aryl group of the polymer matrix, such as polystyrene cross-linked with divinylbenzene is disclosed. Treatment of the liquid phase, prior to contacting same with the polymer-bound catalyst, with a drying agent comprising a polymer-bound dialkyl arylphosphonite and regeneration of the drying agent are also disclosed.Type: GrantFiled: November 3, 1982Date of Patent: March 4, 1986Assignee: Allied CorporationInventors: William J. Boyle, Jr., Frank Mares, Andrea M. Wallo
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Patent number: 4560730Abstract: This application discloses an improvement in the preparation of a ruthenium complex supported on an organic polymer, wherein the complex is added to the support over an extended period of time rather than all at once.Type: GrantFiled: November 21, 1984Date of Patent: December 24, 1985Assignee: The Standard Oil CompanyInventors: James D. Burrington, Robert K. Grasselli, Fred Pesa, Elizabeth A. Maher
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Patent number: 4552928Abstract: A regenerative catalyst composition is provided comprising polymer supported covalently bound di- or triphenylated cation radical salts, wherein the cation radical is a Group VA element and the complementing anion is a Lewis acid anion or other anion, such as perhalo acid or acid metal halide. The phenylated cation radical salts, either polymer supported or unsupported, are useful catalytic agents facilitating the versatile Diels-Alder organic synthetic reactions to form cyclohexene compounds including the more intricate terpenoids, steroids, alkaloids, and prostaglandinoids.Type: GrantFiled: September 17, 1984Date of Patent: November 12, 1985Assignee: Board of Regents, The University of Texas SystemInventors: Nathan L. Bauld, Dennis J. Bellville
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Patent number: 4544708Abstract: Vulcanizable fluoroelastomer compositions based on vinylidene fluoride, comprising, as a vulcanizing system, a polyhydroxyl aromatic compound, a divalent metal compound of basic nature, and an accelerator consisting of a salt of ammonium or of phosphonium or of quaternary amino-phosphonium in which the anion is a complex of a Cd or Zn or Ni or Pb halide.Type: GrantFiled: February 24, 1983Date of Patent: October 1, 1985Assignee: Montedison S.p.A.Inventors: Giovanni Moggi, Gianna Cirillo
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Patent number: 4544707Abstract: The present invention relates to novel polymer compositions and the novel method of their synthesis. The novel polymer compositions are synthesized by forming a tetrahydrofuran solution of a polymer selected from the group consisting of polyvinylchloride, polystyrene, and silicone; adding an anhydrous manganese salt of the formula:MnX.sub.2wherein X is a species capable of forming an anion, preferably a halogen or a thiocyanate, then adding to the solution of polymer and manganese salt, a phosphine of the formula:PR.sup.1 R.sup.2 R.sup.3wherein R.sup.1, R.sup.2, and R.sup.3 may be the same or different, and each is selected from the group consisting of substituted or unsubstituted alkyl, cycloalkyl or aryl groups or hydrogen, provided that no more than two of the groups R.sup.1, R.sup.2, and R.sup.3 are substituted or unsubstituted aryl groups and that at least one of the groups R.sup.1, R.sup.2, and R.sup.3 is a substituted or unsubstituted alkyl, cycloalkyl or aryl group.Type: GrantFiled: May 7, 1984Date of Patent: October 1, 1985Assignee: Gould Inc.Inventors: Karl Minten, William Krug