Polyolefins are stabilized against light-induced degradation by incorporating a combination of n-hexadecyl 3,5-di-t. butyl-4-hydroxybenzoate and a dialkyl pentaery-thrityl dis- phosphite. Further improvement is obtained by incorporating a benzotriazole or benzophenone.
通过加入
3,5-二叔丁基-4-羟基苯甲酸正十六烷基酯和二烷基
季戊四醇二
亚磷酸酯,可稳定聚烯烃,防止光引起的降解。 通过加入苯并三唑或
二苯甲酮,可进一步改善聚烯烃的性能。