期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 108, 期 6, 页码 3683-3689出版社
WILEY
DOI: 10.1002/app.27434
关键词
atom transfer radical polymerization (ATRP); catalysts; recycling
With 2,2'-bipyridine as the ligand and methyl 2-bromopropionate as the initiator, the copper-mediated atom transfer radical polymerization of methyl methacrylate was first conducted in a novel ionic liquid, N-butyl-N-methyl morpholinium, tetrafluoroborate. The polymerization kinetics were confirmed to agree with the features of living/controlled free-radical polymerization. The results showed that the dosage of catalyst for well-controlled polymerization could be reduced obviously in N-butyl-N-methyl morpholinium tetrafluoroborate versus the normal organic solvent. The obtained polymers could be separated easily from the catalyst solution in the ionic liquid. Significantly, the recycled N-butyl-N-methyl morpholinium tetrafluoroborate solution of catalysts had catalytic activity similar to that of the fresh catalyst. (C) 2008 Wiley Periodicals, Inc.
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