Stabilized composition comprising a dihydric alcohol thiodipropi

Details Stabilized composition comprising a dihydric alcohol thiodipropi Stabilized composition comprising a dihydric alcohol thiodipropi

1979-10-11

1982-03-23

Hoke, V. 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...

252406, 524303, 524304, C08K 536, C08K 513, C08K 511, C08K 504

Patent

active

043211917

ABSTRACT:
Stabilizer compositions are provided to increase the resistance of a synthetic resin to deterioration upon heating, comprising in combination (A) a thiodipropionic acid ester of a dihydric alcohol having 2 to 20 carbon atoms and an alcohol or carboxylic acid chain terminator having 1 to 21 carbon atoms, and (B) a 700 to about 10,000 molecular weight ester of a polyhydric phenol with carbonic acid or with carbonic acid and another acid which can be an aliphatic dicarboxylic acid, phosphorous acid, phosphoric acid, boric acid, or an organophosphonic acid.
Synthetic resins that can be stabilized with composition of the invention include polymers of alpha-olefins having 2 to 6 carbon atoms, vinyl chloride polymers, acrylonitrile-butadiene-styrene polymers, and terephthalic acid ester polymers.

REFERENCES:
patent: 3564076 (1971-02-01), Kauder
patent: 3737486 (1973-06-01), Schutze et al.

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