Styrene Patents (Class 174/110SY)
  • Low smoke modified polypropylene insulation compositions
    Patent number: 4859366
    Abstract: This invention relates to a resin composition comprising functionalized polypropylene, a hydrogenated mono alkylarene-conjugated diene block copolymer, oil, and a filler which can be blended to form a self-extinguishing, low smoke and halogen free insulation composition which exhibits high ultimate elongation and is relatively easy to process.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: August 22, 1989
    Assignee: Shell Oil Company
    Inventors: Lie K. Djiauw, Ronald D. Icenogle
  • Anti-treeing additives
    Patent number: 4840983
    Abstract: An organosilane of the general formula ##STR1## where R denotes a hydrogen or alkyl radical, n is 2 to 5, Ph denotes an aryl radical, and R' denotes an alkyl radical, and the hydrolysis product, a disiloxane, of said organosilanes with water, where said compounds are useful as anit-treeing additives to polyolefin.
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: June 20, 1989
    Assignee: Dow Corning Corporation
    Inventor: Gary A. Vincent
  • Water tree resistant compounds and polymer compositions containing the same
    Patent number: 4536530
    Abstract: Organophosphorus compounds having the general formula ##STR1## useful as water tree resistant additives for polymeric compositions.
    Type: Grant
    Filed: February 1, 1984
    Date of Patent: August 20, 1985
    Assignee: National Distillers and Chemical Corporation
    Inventors: Anthony Barlow, Melvin F. Maringer
  • Flame retardant polyphenylene ether composition
    Patent number: 4529652
    Abstract: The invention relates to a polymer composition based on a polyphenylene ether which is suitable for wire insulation extrusion. The polymer composition comprises a polyphenylene ether, optionally a polystyrene, a hydrogenated block copolymer, an aromatic phosphate compound, a mineral oil and optionally typical additives. The invention also relates to an electrically conductive wire comprising an insulation built up from the above-mentioned polymer composition and provided around the electrically conductive wire by wire insulation extrusion.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: July 16, 1985
    Assignee: General Electric Company
    Inventors: Jan Bussink, Johannes W. J. de Munck
  • Plastic-wood powder mixture for making insulating material for the electrical industry
    Patent number: 4168251
    Abstract: A method of forming an electrically insulating material having good mechanical properties by mixing a polyvinyl chloride polymer with a natural cellulose material in an amount of from 25 to 30% by weight to form a substantially homogeneous mixture consisting essentially of the polyvinyl chloride and natural cellulose material.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: September 18, 1979
    Assignee: Rehau Plastiks AG & Co.
    Inventors: Hartmut Schinzel, Ernst Wunderlich
  • Flame resistant, insulated multi-conductor electric cable
    Patent number: 4151366
    Abstract: An insulated, multi-conductor electrical cable having a low halogen content and a high degree of resistance to flame and combustion.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: April 24, 1979
    Assignee: General Electric Company
    Inventors: Joseph E. Betts, Alfred C. Bruhin, Robert P. Hoeppner
  • Insulation material
    Patent number: 3933666
    Abstract: An insulation material which comprises:A. a major amount of 1,2-polybutadiene;B. from 10 to 150 parts by weight of a styrene or styrene derivative per 100 parts by weight of 1,2-polybutadiene;C. from 15 to 150 parts by weight of 2,4,6-tribromophenylacrylate per 100 parts by weight of the mixture of 1,2-polybutadiene and styrene or styrene derivative; andD. from 100 to 300 parts by weight of talc powder per 100 parts by weight of 2,4,6-tribromophenyl acrylate.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: January 20, 1976
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Yoneno, Akira Inami