Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 50, Issue 24, Pages 4995-4999Publisher
WILEY
DOI: 10.1002/pola.26349
Keywords
acrylonitrile; kinetics (polym; ); living radical polymerization (LRP); single electron transfer-living radical polymerization (SET-LRP); tin powder
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Funding
- National Natural Scientific Foundation of China [20904018, 51073075]
- Program for New Century Excellent Talents in University [NCET-11-1028]
- Natural Science Foundation for Distinguished Young Scholars of Shandong province [Jq201203]
- Shandong Provincial Natural Science Foundation of China [ZR2010BQ007]
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Sn(0)-mediated single electron transfer-living radical polymerization (SET-LRP) of acrylonitrile (AN) with carbon tetrachloride (CCl4) as initiator and hexamethylenetetramine (HMTA) as ligand in N, N-dimethylformamide (DMF) was studied. The polymerization obeyed first order kinetic. The molecular weight of polyacrylonitrile (PAN) increased linearly with monomer conversion and PAN exhibited narrow molecular weight distributions. Increasing the content of Sn(0) resulted in an increase in the molecular weight and the molecular weight distribution. Effects of ligand and initiator were also investigated. The block copolymer PAN-b-polymethyl methacrylate with molecular weight at 126,130 and polydispersity at 1.36 was successfully obtained. (C) 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012
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