Rubber compositions with granules of sulfur, oil and methylstyre

Details Rubber compositions with granules of sulfur, oil and methylstyre Rubber compositions with granules of sulfur, oil and methylstyre

1987-04-10

1988-10-04

Henderson, Christopher

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

Synthetic resins

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

525354, C08C 1920

Patent

active

047757248

ABSTRACT:
A rubber composition contains granules of two-layer structure composed of insoluble sulfur powder treated with .alpha.-methylstyrene and a process oil as a vulcanizing agent. In this case, the content of process oil in the inner layer portion of the granule is larger than that in the outer layer portion thereof.

REFERENCES:
patent: 2757075 (1956-07-01), Haimsohn

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