Partial ester release agents for plastics

Details Partial ester release agents for plastics Partial ester release agents for plastics

1988-12-09

1990-10-09

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...

2604106, 2604107, 524180, 524181, 524182, 524308, C07C 6933, C08K 510

Patent

active

049621459

ABSTRACT:
Partial esters of saturated, linear C.sub.22 -C.sub.34 -monocarboxylic acids with polyols containing at least 3 carbon atoms and at least 2 hydroxyl groups are provided. The partial esters contain on average at least 1 free hydroxyl group and are generally obtained as mixtures of partial esters of at least 2 of said C.sub.22 -C.sub.34 -monocaroxylic acids. Particularly contemplated are partial esters based on montanic acids. The partial esters exhibit excellent release effects and transparency properties when used as release agents for plastics based on PVC or PVC copolymers.

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Richard Flemming et al; Chem. Abst. 64, 20017 (c) (1966).

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