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US 4,115,352 AGranted
Heat stabilizer composition for halogenated resins
AssigneePennwalt Corporation
InventorsJoseph Michael Bohen, Sameeh Said Toukan
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Abstract
Mixtures of alkali and alkaline earth metal salts of mercaptans or mercapto acids with specified sulfur containing organotin or antimony compounds are disclosed herein as heat stabilizers for halogenated resins.
Claims18
A composition of matter comprising a mixture of (a) an alkali or alkaline earth metal salt of a mercaptan or mercapto acid and (b) a sulfur-containing organotin compound having a ##STR64## group, or a sulfur-containing antimony compound having a Sb--S group, said mixture having a weight ratio of (a) to (b) ranging between about 0.05:1 and about 3:1.
Dependencies are inferred from the claim text.