Sulphur-containing polymers useful as stabilizing agents for rub

Details Sulphur-containing polymers useful as stabilizing agents for rub Sulphur-containing polymers useful as stabilizing agents for rub

1984-06-04

1985-11-12

Henderson, Christopher A.

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

Synthetic resins

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

525236, 525343, 528390, C08C 1920

Patent

active

045529299

ABSTRACT:
Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are polymeric trithiocarbonates having a structure comprising repeating units of the formula ##STR1## where R is an organic bridging group, e.g. an alkylene group.

REFERENCES:
patent: 3197446 (1965-07-01), Ziarnik
patent: 3607844 (1971-09-01), Taylor
CA 63:11338a "Preparation and Properties of Certain Polymeric and Cyclic Trithiocarboxylates".
CA 87:23970b "Poly(Trithiocarbonates)".

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