Stabilizer for polymeric substance and polymeric substance compo

Details Stabilizer for polymeric substance and polymeric substance compo Stabilizer for polymeric substance and polymeric substance compo

1984-05-17

1985-06-25

Hoke, Veronica P.

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...

524302, C08K 536

Patent

active

045255148

ABSTRACT:
A stabilizer for polymeric substances made up of a sulfur-containing compound of the formula: ##STR1## wherein R.sub.1 represents an alkyl group having 4 to 20 carbon atoms and a phenolic compound of the general formula: ##STR2## wherein R.sub.2 represents an alkyl group having 1 to 4 carbon atoms, in the ratio (I):(II) of 1:0.1-2 by weight.
The combination of the above stabilizer with a polymeric substance, such as synthetic rubber is also contemplated herein.

REFERENCES:
patent: 3536661 (1970-10-01), Hagemeyer et al.
patent: 3629194 (1971-12-01), Onishi et al.
patent: 4168387 (1979-09-01), Cottman
patent: 4365032 (1982-12-01), Yosizato et al.
J. Reid Shelton "Stabilization Fundamentals in Thermal Autoxidation of Polymers"-Stabilization and Degradation of Polymers, 1978, 215-225, David L. Allara and Walter L. Hawkins, editors, American Chemical Society, Washington, D.C.

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