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用基团转移聚合法(GTP)合成嵌段共聚物是近年来国际上高分子研究的热门之一.在室温下制备嵌段共聚物是GTP的一大特点.本文利用三类不同GTP单体的活性差别,控制适当的加料顺序及聚合条件,首次用GTP法合成含丙烯腈嵌段的A-B型共聚物并进行表征.
The block copolymer synthesis by group transfer polymerization (GTP) is one of the most popular polymers in recent years.Preparation of block copolymer at room temperature is a major feature of GTP.In this paper, three different GTP monomers , Controlling the proper loading sequence and polymerization conditions, the AB-type copolymers containing acrylonitrile block were synthesized and characterized by GTP method for the first time.