Zhejiang Daxue xuebao. Lixue ban (Jan 2007)
Activation of calix [6] arene in the ring-opening polymerization of ε-caprolactone catalyzed by rare earth aryloxide catalysts in low temperature(杯[6]芳烃在芳氧基稀土(镧、钕)催化ε-己内酯低温开环聚合中的活化作用)
Abstract
杯[6]芳烃可以作为一种外给电子体活化三(2,6-二叔丁基-4-甲基苯氧基)稀土配合物催化ε-己内酯开环聚合.适量加入杯[6]芳烃于三(2,6-二叔丁基-4-甲基苯氧基)稀土催化剂中,提高了ε-己内酯0 ℃下开环聚合的活性和所得聚己内酯的分子量.
Keywords