(EN) Thiobis phenolic antioxidants are efficiently dry or melt blended with a tree-resistant, crosslinkable polyethylene by first forming a blend, preferably a dry blend, of the antioxidant with a polyalkylene glycol (PAG), and then mixing the blend with the polyethylene. The incorporation of thiobis phenolic antioxidant and PAG blend into polyethylene provides the PE with high oxidative induction time (OIT) which is a measure of the oxidative stability of the PE.
(ZH)
通过以下步骤有效地将硫代双酚类抗氧化剂与耐树可交联的聚乙烯干共混或者熔融共混：首先形成抗氧化剂和聚亚烷基二醇(PAG)的共混物，优选是干共混物，然后将该共混物与该聚乙烯混合。将硫代双酚类抗氧化剂和PAG共混物结合到聚乙烯中给该PE提供了高的氧化诱导时间(OIT)，所述的氧化诱导时间是PE的氧化稳定性的量度。
