Ingredient Contains An -o-o- Group Patents (Class 521/96)
  • Foamable and crosslinkable polyethylene composition, process for its production, and process for producing crosslinked polyethylene foams using said composition
    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