Process for stabilising high polymers, halogen containing ethylene-derivatives and their mixtures and co-polymers with other polymerisable organic compounds

摘要

Dibutyl or diphenyl tin oxide is reacted in an indifferent solvent with acetaldoxime, a -benzaldoxime, benzophenone oxime, benzamidoxime, fumar-bis-amidoxime or isophthal-bis-amidoxime.ALSO:High polymer halogen containing ethylene derivatives, their mixtures and copolymers, with other polymerizable organic compounds are stabilized against the effects of light and heat by the incorporation of reaction products of alkyl or aryl tin oxides with oximes or amidoximes. Polymers specified include polyvinyl chloride, after-chlorinated polyvinyl chloride and a vinyl chloride/vinylidene chlorofluoride copolymer. Specified stabilizers are those made by reacting dibutyl or diphenyl-tin oxides with acetaldoxime, a -benzaldoxime, benzophenone oxime, benzamidoxime, fumar-bis-amidoxime and isophthal-bis-amidoxime. Exemplary compositions also include a wax lubricant, diethyl hexyl phthalate, or solvent naphthols.