Contains A Sulfur Atom Patents (Class 525/341)
  • Patent number: 4216126
    Abstract: The vulcanization rate of rubber stock compounded for curing is increased by using in the stock for the cure an accelerator of certain amine-substituted esters of phosphorodithioic acid.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: August 5, 1980
    Assignee: The Firestone Tire & Rubber Company
    Inventor: Edward L. Kay
  • Patent number: 4174341
    Abstract: A cured or uncured chlorinated polyethylene composition comprising(A) chlorinated polyethylene,(B) a complex formed between hexamethylphosphoric triamide and a member selected from the group consisting of carboxylic acids, cyanuric acid, substituted or unsubstituted phenols, alcohols and metal salts, and(C) a member selected from the group consisting of (a) a mercaptotriazine, (b) a thiuram disulfide and (c) sulfur. And a process for curing chlorinated polyethylene, which comprises heating it in the presence of (B) and (C) at a temperature of about 100.degree. to about 200.degree. C.
    Type: Grant
    Filed: May 5, 1976
    Date of Patent: November 13, 1979
    Assignee: Osaka Soda Co. Ltd.
    Inventors: Yasuo Matoba, Yoshio Kise, Nobuo Yamada, Akira Hashimoto, Tetsuya Nakata
  • Patent number: 4169084
    Abstract: The vulcanization rate of rubber stock compounded for curing is increased by using in the stock for the cure an accelerator of certain esters of phosphorodiothioic acid.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: September 25, 1979
    Assignee: The Firestone Tire & Rubber Company
    Inventor: Edward L. Kay