benzophenone

1.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.

将受阻胺光稳定于PVC薄膜，结果表明，该光稳定于PVC中，其光、热稳定效果与苯甲酮类紫外光稳定相近。