Journal
MACROMOLECULAR REACTION ENGINEERING
Volume 4, Issue 3-4, Pages 264-271Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mren.200900056
Keywords
atom transfer radical polymerization; 4-(chloromethyl)benzyl-4H-1,2,4-triazole-4-carbodithioate; monomers; N-isopropylacrylamide; reversible addition-fragmentation chain transfer
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Funding
- National Nature Science Foundation of China [20874069, 50803044, 20974071, 20904036]
- Specialized Research Fund for the Doctoral Program of Higher Education [200802850005]
- Qing Lan Project
- Program of Innovative Research Team of Soochow University
- Soochow University
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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 alpha- and omega-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.
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