【摘要】 可逆加成-断裂链转移(reversible addition-fragmentation chain transfer,RAFT)聚合是一种新型的活性/可控自由基聚合方法,在制备窄分子量聚合物和设计聚合物分子结构方面具有独特的优势。本文首先介绍RAFT活性自由基聚合的机理、体系、特点及链转移(RAFT)试剂的选择,然后总结了近年来国内外利用RAFT聚合技术在设计无规和交替共聚物方面的应用,详细介绍了该方法在制备特殊结构共聚物,如嵌段、梯度、接枝、星形、树形和梳形结构聚合物的新应用,并对RAFT聚合技术在今后的研究重点和应用前景做了展望。更多还原

【Abstract】 The reversible addition-fragmentation chain transfer(RAFT)polymerization was a new living/controlled radical polymerization.The application of RAFT polymerization of synthesize polymers with narrow molecular weight has unique advantage,The mechanism,characteristics and the choices of RAFT reagents were introduced in the paper.RAFT polymerization has exhibited wide applications in molecular structure design,such as random,block,gradient,graft,star,dendritic and comb copolymer.In addition,the development and research trend of RAFT were also presented.更多还原