Polypropylene or peroxide-free polyolefins are stabilized against oxidative degradation by the presence therein of a stabilizing amount of an antioxidant composition which comprises:
a) at least one diarylamine selected from the group consisting of alkyl-substituted diarylamine and aralkyl-substituted diarylyamine and;
b) at least one sterically hindered phenol.
在聚
丙烯或不含过氧化物的聚烯烃中加入一定量的稳定
抗氧化剂组合物,可防止其氧化降解:
a) 至少一种二芳胺,选自由烷基取代的二芳胺和芳烷基取代的二芳胺组成的组;
b) 至少一种立体受阻
酚。