以丙交酯和碳酸亚乙酯为原料,使用催化剂氯化亚锡在常压氩气保护下引发丙交酯与碳酸亚乙酯开环共聚,得到了不同组成和分子量的聚乳酸-碳酸亚乙酯的共聚物.用FT-IR,1H-NMR,GPC对丙交酯与碳酸亚乙酯共聚物的结构进行了表征.结果表明,氯化亚锡引发丙交酯和碳酸亚乙酯开环共聚得到的是二者的线型无规共聚物,通过GPC和1H-NMR等方法检测得到了共聚物分子量及其组成.
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