Improved process of polymerizing a polar monomer with selected initiators and catalysts, the improvement consisting of having present a chain transfer agent having a pKa greater than 18 but less than 25 and containing at least one reactive hydrogen atom which terminates the growth of "living" polymer.
用选定的
引发剂和催化剂聚合极性单体的改进工艺,该改进包括提供一种链转移剂,其 pKa 大于 18 但小于 25,并含有至少一个可终止 "活 "聚合物生长的活性氢原子。