B - Operations – Transporting – 29 – H
Patent
B - Operations, Transporting
29
H
18/967
B29H 9/10 (1980.01)
Patent
CA 1099881
ABSTRACT OF THE DISCLOSURE The invention is a composite material consisting of a vulcanized rubber composition and a zinc reinforcing element bonded to each other, said vulcanized rubber composition comprising a three-component vulcanized mixture consisting of (A) a rubbery copolymer of an ethylenically unsaturated nitrile and a conjugated diene or a rubbery blend containing at least 5% by weight of the rubbery copolymer and at most 95% by weight of another rubber, (B) a liquid conjugated diene polymer having a number average molecular weight of about 500 to 10,000 and containing a functional group selected from the class consisting of carboxyl, hydroxyl, mercapto, amide and pyridyl groups, and (C) an organic cobalt compound acting as a bonding promotor, the amounts of component (a) and component (B) being 70 to 97%, and 30 to 3%, respectively, based on the total weight of the components (A) and (B). The vulcanized rubber composition displays improved adhesion to the zinc reinforcing element.
276741
Nomura Akimasa
Sugi Nagatoshi
Nippon Zeon Co. Ltd.
Smart & Biggar
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