Ingredient Contains A Carbon Atom Double-bonded To Oxygen, E.g., Carbon Dioxide, Carboxylic Acid, Etc. Patents (Class 521/97)
  • Patent number: 4312776
    Abstract: 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: Grant
    Filed: October 10, 1980
    Date of Patent: January 26, 1982
    Assignee: FBC Limited
    Inventors: Rishi R. Puri, Kenneth T. Collington
  • Patent number: 4306034
    Abstract: 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: Grant
    Filed: October 27, 1980
    Date of Patent: December 15, 1981
    Assignee: Phillips Petroleum Company
    Inventor: Agmund K. Thorsrud
  • Patent number: 4304797
    Abstract: 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: Grant
    Filed: February 17, 1981
    Date of Patent: December 8, 1981
    Assignee: ARCO Polymers, Inc.
    Inventor: John P. Spicuzza
  • Patent number: 4304796
    Abstract: 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: Grant
    Filed: February 17, 1981
    Date of Patent: December 8, 1981
    Assignee: Arco Polymers, Inc.
    Inventors: John P. Spicuzza, Jr., John G. Klepic, III
  • Patent number: 4298706
    Abstract: 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: Grant
    Filed: September 18, 1979
    Date of Patent: November 3, 1981
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takashi Ueno, Kyoichi Nakamura
  • Patent number: 4289862
    Abstract: 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: Grant
    Filed: July 14, 1980
    Date of Patent: September 15, 1981
    Assignee: Ethyl Corporation
    Inventors: Edwin D. Hornbaker, Hsueh M. Li
  • Patent number: 4278731
    Abstract: 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: Grant
    Filed: October 1, 1980
    Date of Patent: July 14, 1981
    Assignee: Arco Polymers, Inc.
    Inventors: John P. Spicuzza, Jr., John G. Klepic, III
  • Patent number: 4278732
    Abstract: 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: Grant
    Filed: October 1, 1980
    Date of Patent: July 14, 1981
    Assignee: ARCO Polymers, Inc.
    Inventor: John P. Spicuzza, Jr.
  • Patent number: 4278730
    Abstract: 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: Grant
    Filed: October 1, 1980
    Date of Patent: July 14, 1981
    Assignee: ARCO Polymers, Inc.
    Inventor: John P. Spicuzza, Jr.
  • Patent number: 4256851
    Abstract: 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: Grant
    Filed: January 19, 1978
    Date of Patent: March 17, 1981
    Assignee: Owens-Illinois, Inc.
    Inventors: Lynn J. Taylor, John W. Tobias
  • Patent number: 4252906
    Abstract: 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: Grant
    Filed: September 7, 1977
    Date of Patent: February 24, 1981
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Seiya Hosokawa, Ken Shinkai, Tateo Takasuka, Yutaka Ozaki
  • Patent number: 4247412
    Abstract: A blowing composition comprising azodicarbonamide, a zinc peroxide and a decomposition inhibitor for azodicarbonamide.
    Type: Grant
    Filed: April 17, 1979
    Date of Patent: January 27, 1981
    Assignee: Otsuka Kagaku Yakuhin Kabushiki Kaisha
    Inventors: Shigeaki Ohno, Nobuyuki Aburatani, Nobuyuki Ueda
  • Patent number: 4241194
    Abstract: 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: Grant
    Filed: January 7, 1980
    Date of Patent: December 23, 1980
    Inventor: David H. Blount
  • Patent number: 4238570
    Abstract: 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: Grant
    Filed: February 23, 1979
    Date of Patent: December 9, 1980
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Hideaki Shibata, Michihisa Osawa
  • Patent number: 4226945
    Abstract: 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: Grant
    Filed: August 7, 1979
    Date of Patent: October 7, 1980
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hans J. Bucken, Helmut Horskorte
  • Patent number: 4192924
    Abstract: 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: Grant
    Filed: April 30, 1979
    Date of Patent: March 11, 1980
    Assignee: General Electric Company
    Inventor: James V. Crivello
  • Patent number: 4186163
    Abstract: 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: Grant
    Filed: October 4, 1977
    Date of Patent: January 29, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventors: Douglas Brenner, Robert D. Lundberg
  • Patent number: 4182799
    Abstract: 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: Grant
    Filed: June 9, 1978
    Date of Patent: January 8, 1980
    Inventor: John Rodish
  • Patent number: 4181780
    Abstract: 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: Grant
    Filed: January 5, 1979
    Date of Patent: January 1, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventors: Douglas Brenner, Robert D. Lundberg
  • Patent number: 4172928
    Abstract: 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: Grant
    Filed: June 28, 1978
    Date of Patent: October 30, 1979
    Assignee: Montedison S.p.A.
    Inventors: Antonio Alvares, Guido Bertazzoni
  • Patent number: 4170697
    Abstract: 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: Grant
    Filed: June 23, 1978
    Date of Patent: October 9, 1979
    Inventor: David H. Blount
  • Patent number: 4164512
    Abstract: 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: Grant
    Filed: November 29, 1977
    Date of Patent: August 14, 1979
    Assignee: Exxon Research & Engineering Co.
    Inventors: Douglas Brenner, Robert D. Lundberg
  • Patent number: 4163085
    Abstract: 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: Grant
    Filed: September 27, 1976
    Date of Patent: July 31, 1979
    Assignee: Dynamit Nobel AG
    Inventors: Werner Kuhnel, Paul Spielau
  • Patent number: 4160072
    Abstract: 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: Grant
    Filed: October 31, 1977
    Date of Patent: July 3, 1979
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Ken Shinkai, Norio Chiba, Yutaka Ozaki
  • Patent number: 4152495
    Abstract: 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: Grant
    Filed: April 6, 1976
    Date of Patent: May 1, 1979
    Assignee: Rohm and Haas Company
    Inventor: Russell A. Labar
  • Patent number: 4111860
    Abstract: 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: Grant
    Filed: October 29, 1974
    Date of Patent: September 5, 1978
    Assignee: Bakelite Xylonite Limited
    Inventor: James Jack
  • Patent number: 4110273
    Abstract: 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: Grant
    Filed: September 12, 1977
    Date of Patent: August 29, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Cohnen, Gerhard Apel
  • Patent number: 4110267
    Abstract: 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: Grant
    Filed: July 17, 1975
    Date of Patent: August 29, 1978
    Assignee: Sekisui Kaseihin Kogyo Kabushiki Kaisha
    Inventors: Toshiki Ikeda, Yoshitsugu Beppu