In the presence of tbutyl iodid,however,the molecular weight of PMMA obtained as well as the polymerization of MMA will be affected remarkably.
而碘代叔丁烷对MMA聚合速率和
子量均有
：
丁酮为溶剂时，碘代叔丁烷起
转移剂作用；
In the presence of tbutyl iodid,however,the molecular weight of PMMA obtained as well as the polymerization of MMA will be affected remarkably.
而碘代叔丁烷对MMA聚合速率和子量均有：丁酮为溶剂时，碘代叔丁烷起转移剂作用；
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