Ingredient Contains A Carbon Atom Double-bonded To Oxygen, E.g., Carbon Dioxide, Carboxylic Acid, Etc. Patents (Class 521/97)
-
Patent number: 4312776Abstract: A blowing agent composition comprises azodicarbonamide, 0.005 to 5% by weight, based on the weight of azodicarbonamide, of a chromium sulphate, and 0.005-1% by weight, based on the weight of azodicarbonamide, of at least one zinc compound selected from zinc salts and oxides.Type: GrantFiled: October 10, 1980Date of Patent: January 26, 1982Assignee: FBC LimitedInventors: Rishi R. Puri, Kenneth T. Collington
-
Patent number: 4306034Abstract: A molded article simulating the appearance of natural plantation crepe rubber and a method for producing this article. Styrene/butadiene linear or radial block copolymer having a polymerized styrene content of the range of about 20 to about 50 weight percent of the total block copolymer and resinous polymer of vinyl-substituted aromatic compound in the range of about 10 to about 60 parts resinous polymer per 100 parts block copolymer are blended with a sufficient amount of polarizing agent to achieve rapid heating through response to microwave treatment. The composition is melted, molded against a surface mirroring the appearance of plantation crepe rubber, and removed from the mold as an article simulating plantation crepe rubber.Type: GrantFiled: October 27, 1980Date of Patent: December 15, 1981Assignee: Phillips Petroleum CompanyInventor: Agmund K. Thorsrud
-
Patent number: 4304797Abstract: Expandable styrene polymer particles which have fast cooling rates during molding are produced by dry blending styrene polymer particles in the presence of 0.06 to 0.60 parts of decaglyceroloctaoleate per 100 parts of polymer particles. The oleate may be added as sole fast cool agent or in addition to the known internal additives which impart fast cool properties.Type: GrantFiled: February 17, 1981Date of Patent: December 8, 1981Assignee: ARCO Polymers, Inc.Inventor: John P. Spicuzza
-
Patent number: 4304796Abstract: Expandable styrene polymer particles which have fast cooling rates during molding are produced by dry blending styrene polymer particles in the presence of 0.06 to 0.60 parts of a mixture of alkyl esters of fatty acids per 100 parts of polymer particles. The ester mixture may be added as sole fast cool agent or in addition to the known internal additives which impart fast cool properties.Type: GrantFiled: February 17, 1981Date of Patent: December 8, 1981Assignee: Arco Polymers, Inc.Inventors: John P. Spicuzza, Jr., John G. Klepic, III
-
Patent number: 4298706Abstract: Foams of polypropylene resin composition having remarkably improved extrusion foaming characteristics are prepared by a non-crosslinking extrusion foaming process comprising mixing and kneading polypropylene resin and 1,2-polybutadiene resin so that 1,2-polybutadiene resin reacts under the influence of the heat and shearing stress in the extruder, and extruding thereafter.Type: GrantFiled: September 18, 1979Date of Patent: November 3, 1981Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Takashi Ueno, Kyoichi Nakamura
-
Patent number: 4289862Abstract: Liquid, linear, crosslinkable phosphazene compositions and a process for their preparation are disclosed. These liquid compositions, prepared from normally solid polyphosphazene, contain the polyphosphazene in admixture with from about 1 to about 30 parts per hundred parts of polymer of a polythiol, a polyacrylate, a polymethacrylate or mixtures thereof such that the combination has a viscosity of less than 500,000 cps at 23.degree. C. These compositions are easily handled and can be crosslinked at ambient temperatures.Type: GrantFiled: July 14, 1980Date of Patent: September 15, 1981Assignee: Ethyl CorporationInventors: Edwin D. Hornbaker, Hsueh M. Li
-
Patent number: 4278731Abstract: Expandable styrene polymer particles which have fast cooling rates during molding are produced by dry blending styrene polymer particles in the presence of 0.06 to 0.60 parts of a mixture of alkyl esters of fatty acids per 100 parts of polymer particles. The ester mixture may be added as sole fast cool agent or in addition to the known internal additives which impart fast cool properties.Type: GrantFiled: October 1, 1980Date of Patent: July 14, 1981Assignee: Arco Polymers, Inc.Inventors: John P. Spicuzza, Jr., John G. Klepic, III
-
Patent number: 4278732Abstract: Expandable styrene polymer particles are surface-coated with decaglyceroloctaoleate to prevent the particles from lumping together during expansion. The coating is applied by adding 0.02-0.05 part of decaglyceroloctaoleate to an aqueous suspension containing 100 parts of polymer particles subsequent to impregnating the mixture with a blowing agent, or by dry blending polymer particles with the octaoleate.Type: GrantFiled: October 1, 1980Date of Patent: July 14, 1981Assignee: ARCO Polymers, Inc.Inventor: John P. Spicuzza, Jr.
-
Patent number: 4278730Abstract: Expandable styrene polymer particles which have fast cooling rates during molding are produced by dry blending styrene polymer particles in the presence of 0.06 to 0.60 parts of decaglyceroloctaoleate per 100 parts of polymer particles. The oleate may be added as sole fast cool agent or in addition to the known internal additives which impart fast cool properties.Type: GrantFiled: October 1, 1980Date of Patent: July 14, 1981Assignee: ARCO Polymers, Inc.Inventor: John P. Spicuzza, Jr.
-
Patent number: 4256851Abstract: There is disclosed an environmentally degradable plastic composition comprising an organic polymeric material having dispersed therein at least one ethylenically unsaturated alcohol or ethylenically unsaturated ester derived therefrom as a readily autoxidizable organic substance.Type: GrantFiled: January 19, 1978Date of Patent: March 17, 1981Assignee: Owens-Illinois, Inc.Inventors: Lynn J. Taylor, John W. Tobias
-
Patent number: 4252906Abstract: A process for preparing a foamed and crosslinked polyethylene resin shaped article having improved heat-sealability, which comprises melt-kneading (a) a silane-modified polyethylene resin, (b) a heat-decomposable blowing agent, (c) a silanol condensation catalyst, and (d) an organic peroxide at a temperature lower than the decomposition temperature of the heat-decomposable blowing agent (b), shaping the mixture, and heating the resulting foamable and crosslinkable shaped articles to the decomposition temperature of the heat-decomposable blowing agent or to a higher temperature thereby to foam and crosslink it; and a foamable and crosslinkable polyethylene resin composition used therefor.Type: GrantFiled: September 7, 1977Date of Patent: February 24, 1981Assignee: Sekisui Kagaku Kogyo Kabushiki KaishaInventors: Seiya Hosokawa, Ken Shinkai, Tateo Takasuka, Yutaka Ozaki
-
Patent number: 4247412Abstract: A blowing composition comprising azodicarbonamide, a zinc peroxide and a decomposition inhibitor for azodicarbonamide.Type: GrantFiled: April 17, 1979Date of Patent: January 27, 1981Assignee: Otsuka Kagaku Yakuhin Kabushiki KaishaInventors: Shigeaki Ohno, Nobuyuki Aburatani, Nobuyuki Ueda
-
Patent number: 4241194Abstract: Small particles of cellulose-containing plants, fine granular oxidated silicon compounds and an alkali metal hydroxide are mixed, then heated to 150.degree. C. to 220.degree. C. while agitating until the plant particles soften or melt, thereby producing an alkali metal cellulose silicate condensation product.Type: GrantFiled: January 7, 1980Date of Patent: December 23, 1980Inventor: David H. Blount
-
Patent number: 4238570Abstract: Expandable particles of a styrene polymer which comprise on the surface thereof an ester of an aliphatic carboxylic acid with an aliphatic alcohol, the ester having no hydroxyl group in the molecule and being a solid at room temperature, or a mixture of said ester and a finely divided lubricant, and a process for preparing the same.Type: GrantFiled: February 23, 1979Date of Patent: December 9, 1980Assignee: Hitachi Chemical Company, Ltd.Inventors: Hideaki Shibata, Michihisa Osawa
-
Patent number: 4226945Abstract: A rubber composition, expansible under vulcanization conditions consisting of at least one vulcanizable synthetic rubber, vulcanizing agents and a propellant gas donor under vulcanizing conditions consisting of(a) from 100 to 900 parts by weight, based on 100 parts by weight of said synthetic rubber, of natural, non-pretreated chalk, and(b) from 5 to 120 parts by weight, based on 100 parts by weight of said synthetic rubber, of at least one natural or synthetic fatty acid having from 12 to 22 carbon atoms.Type: GrantFiled: August 7, 1979Date of Patent: October 7, 1980Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hans J. Bucken, Helmut Horskorte
-
Patent number: 4192924Abstract: Curable organic resin compositions, such as epoxy resins, are provided, based on the use of a diaryliodonium salt-redox catalyst curing system. 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: April 30, 1979Date of Patent: March 11, 1980Assignee: General Electric CompanyInventor: James V. Crivello
-
Patent number: 4186163Abstract: This invention relates to a novel elastomeric foamed material which has surprisingly been found to exhibit a variety of unusual and desirable features both in its physical properties and in its process of manufacture. These foamed compositions of a lightly sulfonated elastomeric gum contain a nonvolatile polar plasticizer and preferably extenders such as oil and fillers. These elastomer foams exhibit an unusual profile of physical properties including melt reprocessability of fabricated articles, and high temperature reshaping of foamed objects while maintaining a good foam structure. These novel foams can be manufactured with relatively uniform cell structures and with small cell sizes at foam densities from near bulk density to less than 0.1 g/cc.Type: GrantFiled: October 4, 1977Date of Patent: January 29, 1980Assignee: Exxon Research & Engineering Co.Inventors: Douglas Brenner, Robert D. Lundberg
-
Patent number: 4182799Abstract: A flame-retarding additive for foamed polystyrene is composed of 40 to 56 weight percent of halogenated hydrocarbon, 9 to 15 weight percent of antimony oxide, 14 to 22 weight percent of zinc borate, and 16 to 28 weight percent of hydrated alumina.Type: GrantFiled: June 9, 1978Date of Patent: January 8, 1980Inventor: John Rodish
-
Patent number: 4181780Abstract: This invention relates to a novel elastomeric foamed material which has been found to exhibit a variety of unusual and desirable features both in its physcial properties and in its process of manufacture. These foamed compositions of a lightly sulfonated elastomeric gum contain a non-volatile polar plasticizer and preferably extenders such as oil and fillers. These elastomer foams exhibit an unusal profile of physical properties including extremely rapid production, melt reprocessability of fabricated articles, a novel memory characteristic, and high temperature reshaping of foamed objects while maintaining a good foam structure. These novel foams can be manufactured with relatively uniform cell structures and with small cell sizes at foam densities from near bulk density to less than 0.1g/cc.Type: GrantFiled: January 5, 1979Date of Patent: January 1, 1980Assignee: Exxon Research & Engineering Co.Inventors: Douglas Brenner, Robert D. Lundberg
-
Patent number: 4172928Abstract: Expandible particles of styrene particles for producing molded bodies, particularly large blocks having a homogeneous fine-cell structure, and having improved characteristics, are obtained by polymerizing styrene or a mixture of styrene and one or more different monomers copolymerizable with styrene, in the presence of at least one compound of the following general formulae (I) or (II) ##STR1## wherein R.sub.1 and R.sub.4, either like or unlike each other, are an optionally halogen-substituted alkyl radical containing 1 to 30 carbon atoms;R.sub.2 and R.sub.3, like or unlike each other, are an alkyl, cycloalkyl or phenyl radical, optionally halogen-substituted;X is a halogen or an alkyl radical having 1 to 8 carbon atoms;M is an integer from 0 to 4; andN is an integer from 0 to 5.Type: GrantFiled: June 28, 1978Date of Patent: October 30, 1979Assignee: Montedison S.p.A.Inventors: Antonio Alvares, Guido Bertazzoni
-
Patent number: 4170697Abstract: Silicon halides will react chemically with polyols to produce polyol silicate resinous products which will react chemically with polyisocyanates to produce polyisocyanate silicate solid or cellular solid products.Type: GrantFiled: June 23, 1978Date of Patent: October 9, 1979Inventor: David H. Blount
-
Patent number: 4164512Abstract: This invention relates to a novel elastomeric foamed material which has been found to exhibit a variety of unusual and desirable features both in its physical properties and in its process of manufacture. These foamed compositions of a lightly sulfonated elastomeric gum contain a non-volatile polar plasticizer and preferably extenders such as oil and fillers. These elastomer foams exhibit an unusual profile of physical properties including extremely rapid production, melt reprocessability of fabricated articles, a novel memory characteristic, and high temperature reshaping of foamed objects while maintaining a good foam structure. These novel foams can be manufactured with relatively uniform cell structures and with small cell sizes at foam densities from near bulk density to less than 0.1g/cc.Type: GrantFiled: November 29, 1977Date of Patent: August 14, 1979Assignee: Exxon Research & Engineering Co.Inventors: Douglas Brenner, Robert D. Lundberg
-
Patent number: 4163085Abstract: A process for producing a continuous foam sheet of a synthetic resin having a polyolefin base which comprises admixing an organic peroxide, a blowing agent, and a pore regulator with the synthetic resin, finely distributing said peroxide, blowing agent and pore regulator within said resin at a temperature below the decomposition temperature of the peroxide and the blowing agent in the thermoplastic range, shaping the resulting admixture into a sheet or panel and thereafter effecting thermal crosslinking and foaming of the resin. The pore regulator comprises an oligomeric and/or polymeric saturated dicarboxylic acid ester or a mixture of such esters having average molecular weights of from between 500 and 40,000, and flow points and/or melting ranges that are below the decomposition temperature of the peroxide and of the blowing agent.Type: GrantFiled: September 27, 1976Date of Patent: July 31, 1979Assignee: Dynamit Nobel AGInventors: Werner Kuhnel, Paul Spielau
-
Patent number: 4160072Abstract: A foamable and crosslinkable polyethylene composition comprising(a) modified polyethylene obtained by chemically bonding a silane compound containing at least one unsaturated group to polyethylene in the presence of a radical generator,(b) a zinc salt of a higher carboxylic acid, and(c) a heat-decomposable blowing agent, and ingredients (a), (b) and (c) having been melt-kneaded with one another at a temperature lower than the decomposition temperature of the heat-decomposable blowing agent.Type: GrantFiled: October 31, 1977Date of Patent: July 3, 1979Assignee: Sekisui Kagaku Kogyo Kabushiki KaishaInventors: Ken Shinkai, Norio Chiba, Yutaka Ozaki
-
Patent number: 4152495Abstract: Certain polymeric modifiers are surprisingly effective for injection molding and extruding thermoplastic structural foam of lower density, improved appearance, more uniform cell structure, and for lowering injection molding cycle time.Type: GrantFiled: April 6, 1976Date of Patent: May 1, 1979Assignee: Rohm and Haas CompanyInventor: Russell A. Labar
-
Patent number: 4111860Abstract: A process for the manufacture of a multicellular stretched sheet which comprises melt compounding a thermoplastic matrix polymer and an additive comprising a polymeric or non-polymeric organic compound or a metal salt of an organic acid, forming the blend into a shaped article and stretching the article at a temperature within the normal orientation temperature of the matrix polymer and below the glass-transition temperature of the polymeric additive or below the melting or softening point of the non-polymeric additive.Type: GrantFiled: October 29, 1974Date of Patent: September 5, 1978Assignee: Bakelite Xylonite LimitedInventor: James Jack
-
Patent number: 4110273Abstract: The invention refers to a blowing agent composition consisting of 1,4 butan-diol-bis-(carbonic acid ester-benzoic acid anhydride) and silicon dioxide. Silicon dioxide reduces the decomposition temperature of the anhydride while at the same time increasing the yield of gas substantially.Type: GrantFiled: September 12, 1977Date of Patent: August 29, 1978Assignee: Bayer AktiengesellschaftInventors: Wolfgang Cohnen, Gerhard Apel
-
Patent number: 4110267Abstract: Expandable ethylenically unsaturated polymer particle compositions containing an expanding agent, said polymer particles having the surfaces thereof coated with a layer of a compound comprising calcium carbonate having a particle size of from 0.02 to 0.2 microns and the surfaces of said calcium carbonate particles having chemically attached thereto organic compounds selected from the group consisting of higher fatty acids, resin acid, lignin sulfonic acid and mixtures thereof.Type: GrantFiled: July 17, 1975Date of Patent: August 29, 1978Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventors: Toshiki Ikeda, Yoshitsugu Beppu