HALS are experimentally used in PVC films in this study.It is shown that thermostabilization and photostabilization functions of HALS are similar to those of benzophenone in PVC.

将受阻胺定剂试用于PVC薄膜，，定剂用于PVC中，其、热定效与二苯甲酮类紫外定剂相近。