With Oxygen Or Nitrogen Containing Reactant Patents (Class 521/147)
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Patent number: 4692269Abstract: A gas-releasing composition of a t-alkylhydrazinium salt and/or a carbonylhydrazine and at least one compound selected from free radical forming sources, metal oxides, and sulfur and/or sulfur donor compounds wherein when sulfur and/or a sulfur donor compound is used, the composition will also contain one or more members selected from sulfur accelerators, metal oxides, and amino-alcohols. This novel gas-releasing composition permits the selectively tailoring of the gas evolution of a system in order to meet a wide range of specific application areas polymer characteristics and conditions over a wide temperature range.Type: GrantFiled: May 13, 1986Date of Patent: September 8, 1987Assignee: Pennwalt CorporationInventors: Chester J. Kmiec, Michael F. Novits
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Patent number: 4668709Abstract: This invention provides a highly porous crosslinked functionalised polymer having interconnected cavities of micron dimensions and having a pore volume greater than about 5.6 cc/g and having a capacity to absorb water and also to absorb saline solutions. The polymers are generally based on styrene or various acrylates or mixtures and have a functional group selected from a large range of ionic and polar compositions.Type: GrantFiled: June 26, 1986Date of Patent: May 26, 1987Assignee: Lever Brothers CompanyInventors: Keith Jones, Barry R. Lothian, Alexander Martin, Graham Taylor, Ziq Hao
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Patent number: 4665103Abstract: Styrenic polymer beads that are useful in forming foamed cups with improved strength and thermal properties are prepared by forming an aqueous suspension of initial styrenic polymer beads and adding thereto an emulsion of a comonomer solution of styrenic monomer and divinylbenzene, which emulsion also contains free-radical-producing catalysts, and the suspension with added monomers is heated to copolymerize the styrenic monomer and divinylbenzene within and on the initial beads and form modified beads.Type: GrantFiled: July 8, 1986Date of Patent: May 12, 1987Assignee: Atlantic Richfield CompanyInventor: Adolph V. DiGiulio
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Patent number: 4663360Abstract: A steam expandable alkenyl aromatic polymer composition and methods of preparation are provided. The composition is mixed with a volatile blowing agent containing, as a primary blowing agent, dichlorodifluoromethane and as a secondary blowing agent, a halogenated hydrocarbon, a hydrocarbon, or an aliphatic alcohol containing from 1 to 4 carbon atoms, the secondary blowing agent having a normal atmospherpic boiling point of from about 0.degree. to about 100.degree. C. The composition may be expanded by steam immediately after extrusion foaming or may be expanded after aging of the composition which has been impregnated with volatile blowing agent.Type: GrantFiled: December 30, 1985Date of Patent: May 5, 1987Assignee: The Dow Chemical CompanyInventors: Chung P. Park, Gerald A. Garcia
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Patent number: 4661574Abstract: A moldable composition which comprises a novel random N-(halogenated phenyl)maleimide-containing copolymer and a flame-retardant synergist is disclosed. The molded composition exhibits at least a 94V-1 classification when tested in accordance with Underwriters' Laboratories Inc. Test Method UL94.Type: GrantFiled: April 11, 1986Date of Patent: April 28, 1987Assignee: Atlantic Richfield CompanyInventor: Usama E. Younes
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Patent number: 4659745Abstract: Styrenic polymer beads that are useful in forming foamed cups with improved strength and thermal properties are prepared by forming an aqueous suspension of initial styrenic polymer beads and adding thereto an emulsion of a comonomer solution of styrenic monomer and divinylbenzene, which emulsion also contains free-radical-producing catalysts, and the suspension with added monomers is heated to copolymerize the styrenic monomer and divinylbenzene within and on the initial beads and form modified beads.Type: GrantFiled: July 7, 1986Date of Patent: April 21, 1987Assignee: Atlantic Richfield CompanyInventor: Adolph V. DiGiulio
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Patent number: 4626573Abstract: A moldable composition which comprises a novel random N-(brominated or chlorinated phenyl) maleimide-containing copolymer, a thermoplastic resin, preferably, polycarbonate and a flame retardant synergist is disclosed. The molded composition exhibits at least a 94 V-1 classification when tested in accordance with Underwriters Laboratories Inc. Test Method UL94.Type: GrantFiled: April 9, 1986Date of Patent: December 2, 1986Assignee: Atlantic Richfield CompanyInventor: Usama E. Younes
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Patent number: 4612334Abstract: This invention provides a highly porous crosslinked functionalized polymer having interconnected cavities of micron dimensions and having a pore volume greater than about 5.6 cc/g and having a capacity to absorb water and also to absorb saline solutions. The polymers are generally based on styrene or various acrylates or mixtures and have a functional group selected from a large range of ionic and polar compositions.Type: GrantFiled: March 1, 1985Date of Patent: September 16, 1986Assignee: Lever Brothers CompanyInventors: Keith Jones, Barry R. Lothian, Alexander Martin, Graham Taylor, Zia Haq
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Patent number: 4611014Abstract: This invention discloses highly porous crosslinked functionalized polymers having interconnected cavities and a pore volume greater than 5.6 cc/g in the swollen state and having a capacity to absorb aqueous or organic acidic liquids from its dried state of at least 3 g liquid per gram of polymer. The polymers are generally based on styrene and/or methacrylate compositions and contain various ionic or polar functional groups.Type: GrantFiled: March 1, 1985Date of Patent: September 9, 1986Assignee: Lever Brothers CompanyInventors: Keith Jomes, Barry R. Lothian, Alexander Martin, Graham Taylor, Zia Haq
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Patent number: 4607059Abstract: A gas-releasing composition of a t-alkylhydrazinium salt and/or a carbonylhydrazine and at least one compound selected from free radical forming sources, metal oxides, and sulfur and/or sulfur donor compounds wherein when sulfur and/or a sulfur donor compound is used, the composition will also contain one or more members selected from sulfur accelerators, metal oxides, and amino-alcohols. This novel gas-releasing composition permits the selectively tailoring of the gas evolution of a system in order to meet a wide range of specific application areas polymer characteristics and conditions over a wide temperature range.Type: GrantFiled: September 25, 1985Date of Patent: August 19, 1986Assignee: Pennwalt CorporationInventors: Chester J. Kmiec, Michael F. Novits
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Patent number: 4596832Abstract: In producing a foam by foaming a melt-plasticized styrene/maleic anhydride copolymer resin, a process for producing a highly foamed styrene/maleic anhydride copolymer resin foam characterized by using as the blowing agent at least one compound selected from the group consisting of a carboxylate of a metal of group Ia of the periodic table of elements, a carbonate of a metal of group Ia, a carboxylate of a metal of group IIa and a carbonate of a metal of group IIa; or by first blending with said copolymer resin at least one compound selected from the group consisting of a carboxylate of a metal of group Ia of the periodic table of elements, a carbonate of a metal of group Ia, a carboxylate of a metal of group IIa and a carbonate of a metal of group IIa, then melt-blending the mixture, followed by extruding and granulating the blend to form a pre-expanded granular product, and thereafter foaming the granular product thus obtained.Type: GrantFiled: April 19, 1985Date of Patent: June 24, 1986Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Nagao Ariga, Kyotaro Shimazu, Hiroyuki Sato
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Patent number: 4585605Abstract: The foam of the present invention, which has a multi-cellular structure including many wrinkles having one end in the boundary portion where at least three cells are adjacent to one another and extending toward the central portion of the cell wall, is a rigid thermoplastic resin foam having an ultra-low density, a high sound-insulating property, a high heat-insulating property and a high flexibility, and it is suitable for adaption for building construction. The process of the present invention is to provide the aforesaid foam of the present invention by subjecting the foam of a rigid thermoplastic resin to expansion, contraction and aging.Type: GrantFiled: September 25, 1985Date of Patent: April 29, 1986Assignee: Dow Chemical CompanyInventors: Takao Kadota, Masayuki Hashimoto, Itsuo Hamada
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Patent number: 4572740Abstract: The invention relates to new blowing and nucleating agents for the processing of plastics, which are based on mono- and diesters of citric acid.Type: GrantFiled: March 26, 1985Date of Patent: February 25, 1986Assignee: Boehringer Ingelheim KGInventors: Gunther Kretzschmann, Dieter Scholz, Karl-Heinz Hilgert
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Patent number: 4569949Abstract: Expandable styrene acrylonitrile polymer particles are provided which give good resiliency over an extended period of time.Type: GrantFiled: June 17, 1985Date of Patent: February 11, 1986Assignee: The Dow Chemical CompanyInventor: John W. Brenner
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Patent number: 4563481Abstract: Expandable styrene acrylonitrile polymer particles are provided which give good resiliency over an extended period of time.Type: GrantFiled: July 25, 1984Date of Patent: January 7, 1986Assignee: The Dow Chemical CompanyInventor: John W. Brenner
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Patent number: 4552904Abstract: The foam of the present invention, which has a multi-cellular structure including many wrinkles having one end in the boundary portion where at least three cells are adjacent to one another and extending toward the central portion of the cell wall, is a rigid thermoplastic resin foam having an ultra-low density, a high sound-insulating property, a high heat-insulating property and a high flexibility, and it is suitable for adaption for building construction. The process of the present invention is to provide the aforesaid foam of the present invention by subjecting the foam of a rigid thermoplastic resin to expansion, contraction and aging.Type: GrantFiled: March 19, 1985Date of Patent: November 12, 1985Assignee: The Dow Chemical CompanyInventors: Takao Kadota, Masayuki Hashimoto, Itsuo Hamada
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Patent number: 4539335Abstract: Expandable thermoplastic resin particles having excellent heat resistance, solvent resistance, foamability and moldability comprising a copolymer of 10 to 80% by weight of .alpha.-methylstyrene, 5 to 50% by weight of acrylonitrile and 0 to 70% by weight of at least one member selected from the group consisting of styrene, methyl methacrylate, vinyl toluene and t-butylstyrene, and an expanding agent impregnated in the copolymer, prepared easily in high conversions by an aqueous suspension polymerization using particular difunctional organic peroxides, preferably those capable of producing t-butoxy radicals, followed by impregnation of the produced polymer particles with the expanding agent.Type: GrantFiled: May 4, 1984Date of Patent: September 3, 1985Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kiyoshi Mori, Masao Nakagawa
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Patent number: 4536521Abstract: Porous, cross-linked polymeric materials comprising hydrocarbon residues can be sulphonated to produce sulphonated polymers which are able to absorb large volumes of ionic solutions and also act as ion-exchange resins.Type: GrantFiled: September 7, 1983Date of Patent: August 20, 1985Assignee: Lever Brothers CompanyInventor: Zia Haq
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Patent number: 4535094Abstract: Highly desirable alkenylaromatic monomer olefinically unsaturated acid foams are prepared by extrusion using as a blowing agent inorganic compounds such as sodium bicarbonate, either alone or in combination with volatile fluid foaming agents.Type: GrantFiled: March 12, 1984Date of Patent: August 13, 1985Assignee: The Dow Chemical CompanyInventors: Chung P. Park, Kyung W. Suh
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Patent number: 4532264Abstract: Excellently properties, thermoplastic compositions well adapted for conversion by conventional melt-processing extrusion and other ordinary fabrication techniques into very good quality, lightly cross-linked, thermocollapse-resistant, closed-cell plastic foam(s) and the like expanded cellular product(s) are comprised of an intimate mixture of:(A) a sparsely hydroxylated, normally-solid olefin polymer, particularly a linear alkenyl aromatic or polyolefin polymer which is frequently at least substantially a styrene polymer which is generally in copolymeric form with appropriate moieties of comonomers adapted to provide the requisite attached hydroxyl units therein and thereon; and(B) a minor proportion of an inter-reactive, cross-linking polyisocyanate constituent.Type: GrantFiled: April 27, 1984Date of Patent: July 30, 1985Assignee: The Dow Chemical CompanyInventor: Louis C. Rubens
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Patent number: 4532265Abstract: Highly desirable alkenylaromatic monomer olefinically unsaturated acid foams are prepared by extrusion using as a blowing agent inorganic compounds such as sodium bicarbonate, either alone or in combination with volatile fluid foaming agents.Type: GrantFiled: March 12, 1984Date of Patent: July 30, 1985Assignee: The Dow Chemical CompanyInventors: Chung P. Park, Kyung W. Suh
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Patent number: 4485193Abstract: Resilient foam particles and moldings are obtained employing a lightly crosslinked polymer such as a styrene polymer with volatile fluid foaming agent that has low permeability through the polymer. Multiple expansion will permit low density particles for molding.Type: GrantFiled: April 16, 1984Date of Patent: November 27, 1984Assignee: The Dow Chemical CompanyInventors: Louis C. Rubens, Willard E. Alexander
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Patent number: 4454086Abstract: High quality plastic foam and the like expanded products and articles are made by incorporating a blowing agent in an acid-containing alkenyl aromatic polymer, such as a copolymer of styrene and acrylic acid; extruding while cross-linking the polymer with a polyfunctional cross-linking agent.Type: GrantFiled: June 18, 1982Date of Patent: June 12, 1984Assignee: The Dow Chemical CompanyInventors: John M. Corbett, Charles R. Bearden
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Patent number: 4442232Abstract: Expandable styrene-maleic anhydride copolymer particles which comprises a copolymer resin obtained by reaction of a styrene-maleic anhydride copolymer with a hydroxy compound and further impregnated with a volatile blowing agent.Type: GrantFiled: November 12, 1980Date of Patent: April 10, 1984Assignee: Sekisui Plastic Co., Ltd.Inventors: Mutsuhiko Kajimura, Tetsuji Maeda
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Patent number: 4438224Abstract: Mechanically stable styrene polymer foams having highly desirable physical properties are prepared employing as a blowing agent a mixture of lower alcohols with chlorofluoromethanes.Type: GrantFiled: August 15, 1983Date of Patent: March 20, 1984Assignee: The Dow Chemical CompanyInventors: Kyung W. Suh, David C. Krueger, Burch E. Zehner
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Patent number: 4427796Abstract: There is provided a water insoluble disinfectant composition comprising a tertiary amine quaternized with a water insoluble carrier to provide a quaternary ammonium salt.In the preferred modification of the invention, the carrier is a resin, most suitably a crosslinked polystyrene or crosslinked methacrylate resin. The compositions of the present invention are formed by creating an amine reactive labile active center on the carrier and reacting said activated carrier with the amine of choice to form a quaternary ammonium salt. Ammonium salts having at least one alkyl moiety of C10 to C16 carbon atoms and at least one aryl moiety have been found particularly effective.Type: GrantFiled: July 28, 1982Date of Patent: January 24, 1984Assignee: Research Foundation of the State University of New YorkInventors: Ron Nudel, Gilbert E. Janauer, Eugene E. Schrier, Ilona W. Figura
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Patent number: 4367290Abstract: A foamed article of poly-n-butyl methacrylate or a copolymer of n-butyl methacrylate and other vinyl monomer is obtained by allowing n-butyl methacrylate alone or n-butyl methacrylate in conjunction with the other vinyl monomer to stand at room temperature under a vacuum.Type: GrantFiled: October 29, 1981Date of Patent: January 4, 1983Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Katsukiyo Ito, Kazuo Kodaira
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Patent number: 4351910Abstract: An expandable styrene series resin composition comprising a styrene series resin containing in its molecular structure a group of the formula:--SiY.sub.n R.sub.3-n (I)wherein R is an inert monovalent organic group; Y is a hydrolyzable group; and n is an integer of 1 to 3, and a blowing agent, and if necessary, one or more organosilane compounds having at least two hydrolyzable groups in its molecule, can give foamed articles having excellent heat resistance as well as high degree of expansion and good physical and chemical properties.Type: GrantFiled: July 29, 1981Date of Patent: September 28, 1982Assignee: Hitachi Chemical Company, Ltd.Inventors: Hatuo Sugitani, Takeo Kudo, Yoshiyuki Mukoyama, Hiromasa Kawai
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Patent number: 4330635Abstract: The invention relates to a foamable polymeric composition comprising a copolymer of alkenyl aromatic and alkenyl nitrile monomers, optionally a diene rubber grafted with said monomers and a foaming agent selected from a polybasic acid group. A method for foaming said polyblend is also disclosed.Type: GrantFiled: December 15, 1980Date of Patent: May 18, 1982Assignee: Monsanto CompanyInventor: Edward F. Tokas
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Patent number: 4327197Abstract: Copolymers of monovinyl aromatic monomers and the anhydrides of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.Type: GrantFiled: August 5, 1981Date of Patent: April 27, 1982Assignee: Atlantic Richfield CompanyInventors: Adolph V. Di Giulio, Jack N. Bauer
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Patent number: 4326044Abstract: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: February 17, 1981Date of Patent: April 20, 1982Assignee: Atlantic Richfield CompanyInventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4323655Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and the anhydride of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: February 17, 1981Date of Patent: April 6, 1982Assignee: Atlantic Richfield CompanyInventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4312910Abstract: Machinable foams having improved solvent resistance are prepared from a styrene-acrylic acid copolymer.Type: GrantFiled: April 4, 1980Date of Patent: January 26, 1982Assignee: The Dow Chemical CompanyInventors: Kyung W. Suh, Jonathan R. Jones
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Patent number: 4312958Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: April 17, 1981Date of Patent: January 26, 1982Assignee: Atlantic Richfield CompanyInventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4307202Abstract: Anhydride-containing thermoplastic polymers are foamed with ammonium carbonate, ammonium bicarbonate and ammonium oxalate to provide foams having good heat distortion characteristics and undesirable organic blowing agents are avoided.Type: GrantFiled: August 21, 1980Date of Patent: December 22, 1981Assignee: The Dow Chemical CompanyInventor: John M. Corbett
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Patent number: 4306036Abstract: Anhydride-containing thermoplastic polymers are foamed with ammonium carbonate, ammonium bicarbonate and ammonium oxalate to provide foams having good heat distortion characteristics and undesirable organic blowing agents are avoided.Type: GrantFiled: August 21, 1980Date of Patent: December 15, 1981Assignee: The Dow Chemical CompanyInventor: John M. Corbett
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Patent number: 4304874Abstract: Copolymers of monovinyl aromatic monomers and the anhydrides of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.Type: GrantFiled: May 6, 1980Date of Patent: December 8, 1981Assignee: ARCO Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4298705Abstract: Rubber-modified copolymers of monovinyl aromatic, monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: December 8, 1980Date of Patent: November 3, 1981Assignee: Arco Polymers, Inc.Inventor: Adolph V. DiGiulio
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Patent number: 4298703Abstract: Copolymers of monovinyl aromatic monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.Type: GrantFiled: December 5, 1980Date of Patent: November 3, 1981Assignee: ARCO Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4298704Abstract: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid amide monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: December 8, 1980Date of Patent: November 3, 1981Assignee: ARCO Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4289857Abstract: The dimensional stability of closed-cell synthetic polymer foams can be notably improved by the incorporation therein, during their preparation, of from about 0.1 to about 10 percent by weight (based upon the weight of the synthetic resin) of certain borate or phosphinate glycol ester compounds such as, for example, tri(1-stearyl-glycero)borate, tri(monostearylpolyoxyethyleneglycol)borate, di(1-stearylglycero)phosphinate, and the like.Type: GrantFiled: July 31, 1980Date of Patent: September 15, 1981Assignee: Asahi-Dow LimitedInventors: Tsuneo Hoki, Nobuo Miura, Hiroshi Watanabe
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Patent number: 4286070Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: August 25, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4286068Abstract: A process for oxidizing organic substrates such as ketones and ethylenically unsaturated compounds. The substrate is contacted with aqueous hydrogen peroxide in a solution or in a two-phase liquid system, in the presence of a polymeric catalyst containing chemically bonded arsenic. This process can lead to lactones or hydroxy acids from cyclic ketones or to esters or mixtures of alcohol and carboxylic acid from open chain ketones. Unsaturated compounds afford epoxides and/or diols. Preparations of certain polymers substituted by arsenic groups, particularly from polystyrene, poly(vinylpyridine) and copolymers thereof, useful as catalysts in such oxidation process, are described. For example, polystyrene is brominated, bromine therein is replaced by lithium and the resulting lithiated polymer is converted into a polymer containing an arsenic group, such as arsono, --As(O)(OH).sub.2, as substituent group, by reaction with arsine triethoxide followed by oxidation and hydrolysis by aqueous hydrogen peroxide.Type: GrantFiled: April 28, 1980Date of Patent: August 25, 1981Assignee: Allied Chemical CorporationInventors: Frank Mares, Stephen E. Jacobson
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Patent number: 4278627Abstract: Expandable styrene-maleic anhydride copolymer particles in which the base copolymer is chemically modified with a hydroxy compound such as 1,4-butanediol, diethylene glycol, glycerine or bisphenol which are useful in the production of various foamed articles having low density without overcharging thereof and good thermal stability.Type: GrantFiled: May 2, 1980Date of Patent: July 14, 1981Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventors: Mutsuhiko Kajimura, Tetsuji Maeda
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Patent number: 4278767Abstract: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: July 14, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4278768Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and the anhydride of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: July 14, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4273880Abstract: A process for the production of foamed films of polyethylene or ethylene vinyl acetate copolymers using metal salts of aliphatic fatty acids as additives.Type: GrantFiled: July 19, 1979Date of Patent: June 16, 1981Assignee: Bayer AktiengesellschaftInventors: Wichard Pump, Wolfgang Becker, Edwin Woldenberg
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Patent number: 4271271Abstract: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid amide monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: June 2, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4266037Abstract: Copolymers of monovinyl aromatic monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: May 5, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4266038Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: May 5, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer