为了获得相对分子量为1500的聚酰胺,当反应度为0.999时,试计算反应开始时己二酸.己二胺的比例是多少?这样的聚合物链端是什么基团.

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 01:41:07
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