摘要
2，4，4，5，5-五苯基-1，3，2-二氧磷杂环戊烷用二氯苯膦处理苯频哪醇生成。这种磷杂环戊烷含有一个变形的碳-碳键，70℃热均裂形成的双自同基可以引发苯乙烯聚合。苯乙烯单体存在下磷杂环戊烷裂解生成的聚合物，主链中含有磷。这种聚合物的热稳定性和常规聚苯乙烯相当，但可燃性却降低了。
2,4,4,5,5-Pentaphenyl 1,3,2-dioxaphospholane may be generated by treating benzpinaeol with （d.iehloro）phenylphosphine. The phospholane contains a strained carbon-carbon bond which undergoes thermally-induced homolysis at 70℃ to generate a diradical capable of initiating styrene polymerization. The polymer generated from decomposition of the phospholane in the presence of styrene monomer contains phospholane in the mainchain. This polymer exhibits thermal stability comparable to that of conventional polystyrene but decreased flammability.
出处
《聚合物与助剂》
2008年第2期29-34,共6页
Polymer & Additives
