Rubber compound capable of giving a vulcanized rubber having a h

Details Rubber compound capable of giving a vulcanized rubber having a h Rubber compound capable of giving a vulcanized rubber having a h

1979-05-10

1981-07-28

Ziegler, J.

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

Synthetic resins

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

525343, 525374, 525375, 525379, 525380, 525381, 525382, C08F12600, C08F12606

Patent

active

042810850

ABSTRACT:
A novel rubber compound which comprises 100 parts by weight of a rubber component (I), 0.1-15 parts by weight of an amine salt of carboxylic acid (II) and 0-7 parts by weight of sulfur (III), said rubber component (I) consisting of 40-100% by weight of an elastomeric copolymer (A) and 60-0% by weight of a vulcanizable rubber (B); said elastomeric copolymer (A) being composed of a C.sub.4 or C.sub.5 conjugated diene, styrene, and a glycidyl group-containing monomer; the amount of said conjugated diene, the total amount of said conjugated diene and said styrene and the amount of said glycidyl group-containing monomer being 50% by weight or more, 80-99.5% weight and 0.5-20% by weight, respectively, based on the weight of said elastomeric copolymer (A); and the content of said glycidyl group-containing monomer in said rubber component (I) being 0.5% by weight or more, does not undergo scorching at the time of processing and gives, when vulcanized (crosslinked), a vulcanized rubber having a high modulus of elasticity.

REFERENCES:
patent: 3702877 (1972-11-01), Bonafiglia et al.
patent: 4094831 (1978-06-01), Sandstrom

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