Possibility reaction mechanism was proposed, which could be used to explain the spontaneous termination reaction in anionic polymerization of butadiene in the presence of polar additives.
对这些破坏活性中心的反应所提出来的反应机理，可以用于解释丁二烯阴离子聚合中的自发终止现象。
The coupling reaction produced 2 sulfradicals in a molecular chain of PAN with the length two times than that provided by other termination methods.
偶合终止生成的聚丙烯腈（ PAN）分子含有2个引发剂引入的硫端基，分子链长度是其他终止方式生成的分子链长的2倍。
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