Volume 44, Number 1, 1-8, DOI: 10.1007/s002890050566

New AB or ABA type block copolymers: atom transfer radical polymerization (ATRP) of methyl methacrylate using iodine-terminated PVDFs as (macro)initiators

Seong-Mu Jo, Wha-Seop Lee, Byoung-Sung Ahn, Kun-You Park, Kyung-A Kim and In-Sook Rhee Paeng

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Abstract

PMMA homopolymer with CF3(CF2)2CF2- end group was prepared by the ATRP of MMA using CF3(CF2)2CF2-I as an initiator and copper(I) salts/bipy catalysts. This indicated the production of perfluorobutyl radicals by ATRP mechanism and successful polymerization by them. Di- and triblock copolymers were also prepared by the ATRP of MMA using iodine-terminated PVDF as (macro)initiators. The kinetic plots (ln[M]o/[M] vs. time) showed nearly first-order with respect to monomer concentration and the Mn,NMR of block copolymers increased linearly with conversion. However, iodine-terminated PVDF showed low initiator efficiency because propagating rate was much faster than initiating rate
Received: 6 September 1999/Revised version: 27 December 1999/Accepted: 28 December 1999

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