The object of the present invention is to provide a fluorine-containing macroinitiator, particularly a fluorine-containing macroinitiator that enables production of a fluorine-containing block copolymer containing a non-fluorine vinyl-based monomer having a long side chain. The fluorine-containing macroinitiator of the present invention comprises a polymer represented by the following formula (1) and having a number-average molecular weight of 3, 000 to 100,000. In the following formula (1), R2, R3 and R4 are each a specific group, and Q is a polymer segment composed of a structural unit represented by the following formula (2). In the following formula (2), R1 is a hydrogen atom or a methyl group, Rf is a fluoroalkyl group having a specific structure, and k is an appropriate integer that is not 0.
本发明的目的是提供一种含
氟大
引发剂,特别是一种能够生产含有具有长侧链的非
氟乙烯基单体的含
氟嵌段共聚物的含
氟大
引发剂。本发明的含
氟大
引发剂包括由下式(1)表示的聚合物,其数均分子量为 3,000 至 100,000。在下式(1)中,R2、R3 和 R4 各为一个特定基团,Q 是由下式(2)所代表的结构单元组成的聚合物段。在下式(2)中,R1 是氢原子或甲基,Rf 是具有特定结构的氟烷基,k 是不为 0 的适当整数。