Rubber compositions containing polymeric activators

Details Rubber compositions containing polymeric activators Rubber compositions containing polymeric activators

1989-07-18

1991-12-03

Lieberman, Allan M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525203, 525237, C08L 700, C08L 900

Patent

active

050701460

ABSTRACT:
Butadiene polymer rubber compositions containing a polymeric activator have particularly beneficial characteristics. The activator is an interpolymer of a vinylpyridine monomer and a diene hydrocarbon monomer which interpolymer contains from 20% to 65% by weight of vinylpyridine units. Composite articles made from these rubber compositions together with contiguous portions of a dissimilar rubber compound show greater strength and adhesion as a result of the presence of a activator in the butadiene polymer rubber composition.

REFERENCES:
patent: 2893971 (1959-07-01), Kennedy et al.
patent: 2984644 (1961-05-01), Wheat
patent: 3114409 (1963-12-01), Iknayan et al.
V. G. 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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