本发明属于生物材料制备领域，涉及一种采用可逆加成—断裂链转移聚合方法制备具有“活性”特征且共聚物组成可调的含有环氧和叔胺双功能性基团共聚物的方法：以单体、自由基引发剂、链转移剂构成聚合体系，然后在惰性气体保护下进行可逆加成—断裂链转移聚合，制备得到含有环氧和叔胺双官能团共聚物；所述单体为由甲基丙烯酸缩水甘油酯GMA和甲基丙烯酸二甲氨乙酯DMAEMA构成的组合物；本发明首次用RAFT共聚合的方法，实现GMA和DMAEMA的活性共聚，且其共聚物组成可根据初始投料比进行调节；本发明采用活性/可控自由基聚合，所得聚合物的分子量可设计，分子量分布较窄；并且聚合物端基仍然有“活性”，可用来进一步可控合成一些具有拓扑结构的嵌段、接枝共聚物。 The invention belongs to the field of preparation of biological material, to a reversible addition - fragmentation chain transfer polymerization process with the "active" feature and an epoxy and tertiary bi-functional group containing copolymer adjustable copolymers: monomer, a free radical initiator, a chain transfer agent constituting the polymerization system, followed by reversible addition under inert gas protection - fragmentation chain transfer polymerization, and tertiary amines prepared bifunctional epoxy containing copolymer; the monomer The composition of methyl acrylate and methacrylate esters GMA dimethyl amino ethyl acrylate DMAEMA constructed; the present invention for the first time with co-RAFT polymerization of GMA and implement activities DMAEMA copolymer, and the copolymer can be based on the initial feeding ratio can be adjusted; the present invention by a living / controlled radical polymerization, the molecular weight of the resulting polymer can be designed narrow molecular weight distribution; and polymer end groups are still "active", can be used to synthesize a number having a further controllable topology block, graft copolymer.

Method for preparing active copolymer containing double functional groups including epoxy and tertiary amine

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Method for preparing active copolymer containing double functional groups including epoxy and tertiary amine