In the presence of tbutyl iodid,however,the molecular weight of PMMA obtained as well as the polymerization of MMA will be affected remarkably.
而
代叔丁烷对MMA聚合速率和分子量均有影响：
丁酮为溶
，代叔丁烷起
转移作用；
化物In the presence of tbutyl iodid,however,the molecular weight of PMMA obtained as well as the polymerization of MMA will be affected remarkably.
而代叔丁烷对MMA聚合速率和分子量均有影响：丁酮为溶，代叔丁烷起转移作用；
：
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