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Chlorodithiocarbamate‐Mediated RAFT Polymerization: A Novel Synthetic Method for ATRP Macroinitiators
Author(s) -
Zhang Wei,
Yan Yuefang,
Zhu Xiulin,
Qiu Yansheng,
Cheng Zhenping,
Zhu Jian,
Zhang Zhengbiao
Publication year - 2010
Publication title -
macromolecular reaction engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.37
H-Index - 32
eISSN - 1862-8338
pISSN - 1862-832X
DOI - 10.1002/mren.200900056
Subject(s) - raft , polymer chemistry , copolymer , reversible addition−fragmentation chain transfer polymerization , monomer , polymer , polymerization , chain transfer , dithiocarbamate , materials science , end group , chemistry , radical polymerization , organic chemistry
A novel functional dithiocarbamate, ClBTD, comprising both chloromethyl and thiocarbonyl groups, was successfully synthesized and used to mediate the RAFT polymerizations of St and MA. The obtained polymer was functionalized with chloromethyl and thiocarbonyl groups at the α ‐ and ω ‐ends of the polymer chain, respectively. The obtained polymer was directly used as macroinitiator to conduct ATRP chain extension experiment with NIPAAM as the second monomer, which resulted in poor control of the polymerization. After the thiocarbonyl group in the polymer chain end was fully removed by reaction with excess of AIBN, the recovered polymer was successfully used as macroinitiator in St/NIPAAM block copolymerization.