Polymerizable synergist and antidegradant

Details Polymerizable synergist and antidegradant Polymerizable synergist and antidegradant

1992-09-18

1993-06-01

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

252401, 252406, 252407, 324 94, 324213, 324255, 324257, 524291, 524324, 525291, 526286, 526289, 568 38, 568 58, C08K 537

Patent

active

052160491

ABSTRACT:
The present invention relates to an antidegradant system comprised of (A) an antidegradant selected from the group consisting of phenolic antidegradants, amine antidegradants and mixtures thereof; and (B) a unique polymerizable synergist. In addition, there is disclosed a stabilized polymer comprising (A) a polymer selected from the group consisting of (1) homopolymers and copolymers of monoolefins; (2) natural rubber; and (3) synthetic rubber derived from a diene monomer; (B) from about 0.05 to about 10 parts by weight based upon 100 parts of polymer of an antidegradant selected from the group consisting of phenolic antidegradants, amine antidegradants and mixtures thereof; and (C) from about 0.05 to about 20 parts by weight based upon 100 parts of polymer of a unique polymerizable aromatic sulfide synergist.

REFERENCES:
patent: 3305522 (1967-02-01), Spacht
patent: 3308104 (1967-03-01), Feldhoff et al.
patent: 4168387 (1979-09-01), Cottman
patent: 4216116 (1980-08-01), Kline
patent: 4238575 (1980-12-01), Kleiner et al.
patent: 4241217 (1980-12-01), Kuczkowski
patent: 4301296 (1981-11-01), Kuczkowski
patent: 4354007 (1982-10-01), Scott
patent: 4604417 (1986-08-01), Cottman
patent: 4829115 (1989-05-01), Cottman
Index Chemicus 27 86216 (1967).

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