Adding a trace amount of active initiator into the inert initiator SF-Na, the rate of ring-opening polymerization of ethylene oxide was promoted. The promoting mechanism was discussed.

• 研究了利用微量更活泼的阴离子引发剂促进具引发惰性的磺胺嘧啶钠引发环氧乙烷开环聚合的反应速度,作了系列比较,并讨论了其影响速率的机制。