Polyolefins stabilized with a combination of phenols and episulfide polymers

Claim 1

A HIGH MOLECULAR WEIGHT, CRYSTALLINE, STEREOREGULAR POLYMER OF AN A-MONOOLEFIN HAVING AT LEAST 3 CARBON ATOMS CONTAINING AS A STABILIZER THEREFOR STABILIZING AMOUNTS OF A POLYMER OF AN IPISULFIDE OF THE FORMULA 2-R,3-R''-THIIRANE WHERE R IS AN ALKYL RADICAL CONTAINING 1 TO 28 CARBON ATOMS AND R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL, SAID POLYMER OF AN IPISULFIDE HAVING AN RSV GREATER THAN ABOUT 0.8 AS MEASURED ON A 0.1% SOLUTION IN CHLOROFORM AT 25*C., AND A PHENOLIC ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF 2,4,6TRIALKYL PHENOLS, 2-ARALKYL-4,6-DIALKYL PHENOSL, MONO (DIALKYLHYDROXYBENZYL) PHENOLS, DI(DIALKYLHYDROXYBENZYL) PHENOLS, TRI(DIALKYLHYDROXYBENZYL) PHENOLS, POLY (ALKYLPHENOL) SUBSTITUTED HYDROCARBONS, HYDROXYPHENYL POLYALKYL CHROMANS, ADDUCTS OF AN ALKYLPHENOL AND A CYCLIC TERPENE, THIOBIS (ALKYLPHENOL)S, AND HYDROXYPHENOXY SUBSTITUTED TRIAZINES.