Rubber compositions containing polymeric activators

Details Rubber compositions containing polymeric activators Rubber compositions containing polymeric activators

1990-11-14

1992-04-07

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524526, 525192, 525203, C08L 700, C08L 906, C08L 3908

Patent

active

051029456

ABSTRACT:
Butadiene polymer rubber compositions containing a polymeric activator have particularly beneficial characteristics. The activator is an interpolymer of 2-vinylpyridine monomer and 1,3-butadiene monomer, optionally with styrene, which interpolymer contains from 20% to 65% by weight of vinylpyridine units, and is mostly insoluble in boiling tetrahydrofuran.

REFERENCES:
patent: 2893971 (1959-07-01), Kennedy et al.
patent: 2984644 (1961-05-01), Wheat
patent: 3114409 (1963-12-01), Iknayan et al.
patent: 4960819 (1990-10-01), Sandstrom et al.
V. 6. Epshtein et al.-"Low-Temperature Copolymers . . . " Soviet Rubber Technol. 18 (9) 13 (1960).
W. W. Rinne et al.-"Effect of 2-Vinylpyridine . . . " I & E Chem 40 (8) 1437 (1948).

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