Beta-ketoester substituted diorganopolysiloxanes and PVC stabilz

Details Beta-ketoester substituted diorganopolysiloxanes and PVC stabilz Beta-ketoester substituted diorganopolysiloxanes and PVC stabilz

1987-08-12

1989-02-28

Marquis, Melvyn I.

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...

524265, 524266, 524267, 524268, 524301, 524302, 524393, 524394, 524397, 524399, 524400, 524420, 524423, 524425, 524436, 524437, 556440, 556462, 528 26, C08K 524

Patent

active

048086495

ABSTRACT:
Diorganopolysiloxanes having the formula: ##STR1## are especially useful for the stabilization of polyvinyl chloride-based polymers.

REFERENCES:
patent: 3289406 (1966-12-01), Panhard
patent: 4277595 (1981-07-01), Deichert et al.
patent: 4452962 (1984-05-01), Ginnings et al.
patent: 4613641 (1986-09-01), Haubennestel et al.
Chemical Abstract 157643T, vol. 100, (1984), Heat Statabilizers for Chlorine-Containing Polymers, Sakai Chemical Industry Co., Ltd.

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