Title: Rubber compsn. comprising a polymeric amine Co-activator
Application Number: 95191259 Application Date: 1995.01.17
Publication Number: 1138868 Publication Date: 1996.12.24
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C08C19/34;C08F8/32;C08L21/00
Applicant(s) Name: Monsanto Co. Address:
Inventor(s) Name: A. Y. Coran;S. J. Tremont;L. H. Davis
Attorney & Agent: TAI HONG TIAN MINGSHENG
Abstract:
    Vulcanizable rubber compositions are disclosed which contain co-activator of vulcanization which is a polymeric amine, that is, a hydrocarbon polymer with pendent alkyl amine groups. The co-activators impart increased rates of vulcanization with little decrease in scorch delay and very little increase in the modulus of the cured compositions. No increase in heat build-up or decrease in flex-fatigue life is shown. Typical polymers forming the backbone of the co-activators include EPDM rubber and polymers from butadiene or isoprene, with optional co-monomers.
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