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一、引言高分子材料在国民经济和现代化科学技术中的作用日趋重要。五十年代,Szwarc 发现了使聚合物的分子量得到控制的活性高分子,并逐渐合成了嵌段、接枝、星形共聚物等新型聚合物,有力地推动了高分子科学的发展,开创了合成新型高分子材料及进行分子设计的新局面。接枝聚合物的合成方法大致可分为(1)以含有聚合引发基的聚合物作引发剂和其他单体聚合;(2)利用聚合物的链转移反应来获得接枝聚合物;(3)在主链上
I. INTRODUCTION The role of macromolecule materials in the national economy and modern science and technology is becoming more and more important. In the 1950s, Szwarc discovered new polymers that controlled the molecular weight of polymers and gradually synthesized new polymers such as block, graft and star copolymer, which greatly promoted the development of polymer science Synthesis of new polymer materials and molecular design of the new situation. The synthesis method of the graft polymer can be broadly divided into (1) polymerization of a monomer containing a polymerization initiator as an initiator and other monomers, (2) graft polymerization using a chain transfer reaction of a polymer, (3) In the main chain