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首页> 外文期刊>Journal of Applied Polymer Science >Degradation Kinetics of Photopolymerizable Poly(lactic acid) Films
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Degradation Kinetics of Photopolymerizable Poly(lactic acid) Films

机译：可光聚合的聚乳酸薄膜的降解动力学

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摘要

A series of acrylic poly(lactic acid) (PLA) films were produced via photopolymerization. Enzymatic degradation of the films was investigated by submerging or spraying the films with a solution of proteinase K, Chromobacterium viscosum (CvL), Rhizomucor miehei (RmL), or Candida cylindracea (CcL). Degradation was monitored by titration of the carboxylic acid groups, MS, and MS/MS. It was found that the degradation rate of the films was dependent on the water uptake of the film and enzyme solution used. The highest degradation rates, for both systems, were obtained by use of a proteinase K solution.
机译：通过光聚合制备了一系列丙烯酸聚乳酸（PLA）薄膜。通过将蛋白酶K，粘稠杆菌（CvL），米根根瘤菌（RmL）或圆柱假丝酵母（CcL）溶液浸没或喷洒膜来研究膜的酶促降解。通过滴定羧酸基团，MS和MS / MS监测降解。发现膜的降解速率取决于膜的吸水率和所用的酶溶液。对于这两个系统，使用蛋白酶K溶液均可获得最高的降解率。

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