Rubber compositions containing a vinylpyridine-butadiene interpo

Details Rubber compositions containing a vinylpyridine-butadiene interpo Rubber compositions containing a vinylpyridine-butadiene interpo

1989-10-12

1991-07-30

Lieberman, Allan M.

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...

525192, 525203, C08K 304, C08K 336, C08L 700, C08L 900

Patent

active

050361333

ABSTRACT:
Sulfur curable rubber compositions have improved properties such as cure rate and scorch delay when prepared by using an organic accelerator and a co-activator which is an interpolymer made from vinylpyridine and one or more diene monomers. The amount of the vinylpyridine units in the co-activator is generally from about 10 percent to about 75 percent by weight. The rubber compositions can contain either carbon black or silica.

REFERENCES:
patent: 2893971 (1959-07-01), Kennedy et al.
patent: 2984644 (1961-05-01), Wheat
patent: 3114409 (1963-12-01), Iknayan et al.
patent: 3993847 (1976-11-01), Kondo
patent: 4960819 (1990-10-01), Sandstrom et al.
V. G. Epshtein et al.-"Low-Temperature Copolymers-", Soviet Rubber Technol. 18(9) 13(196).
W. W. Rinne et al-"Effect of 2-Vinylpyridine-", I&E Chem 40(8), 1437 (1948).

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