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
定剂试
于PVC薄膜，
明，该定剂于PVC中，其、热定效与二苯甲酮类紫外定剂相近。
类定剂（Hindered Amine Light Stabilizer）；手助腹腔镜外科（hand-assisted laparoscopic surgery）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.
将受阻定剂试于PVC薄膜，明，该定剂于PVC中，其、热定效与二苯甲酮类紫外定剂相近。
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达内容亦不代本软件的观点；若发现问题，欢迎向我们指正。
