将受阻胺光稳定剂试用于PVC薄膜，结果表明，该光稳定剂用于PVC中，其光、热稳定效果与二苯甲酮类紫外光稳定剂相近。
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.
这一组中包括黄酮类化合物，二苯甲酮、一些香豆素、木质素、缩合单宁和芪。
The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.
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