Citation: Guo Qiao Lai, Fu Min Ma, Zi Qiang Hu, Hua Yu Qiu, Jian Xiong Jiang, Ji Rong Wu, Li Min Chen, Lian Bin Wu. Novel ionic liquids as reaction medium for atom transfer radical polymerization of methyl methacrylate[J]. Chinese Chemical Letters, ;2007, 18(5): 601-604. doi: 10.1016/j.cclet.2007.03.014 shu

Novel ionic liquids as reaction medium for atom transfer radical polymerization of methyl methacrylate

a Laboratory for Advanced Materials, Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, China;
b Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Teachers College, Hangzhou 310012, China

Received Date: 27 October 2006

Fund Project: Financial support from Zhejiang Provincial Natural Science Foundation (No.R203154, Y405124) is gratefully acknowledged. Authors are thankful for the help from Professor Yifeng Zhang in Zhejiang University.

Atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA) employing ethyl 2-bromoisobutyrate (EBiB)/CuBr as the initiating system was investigated at 50℃ in the absence of any additional ligand in the three room temperature ionic liquids (RTILs), 1-methyl-imidazolium acetate ([mim] [CH₃COO]), 1-methylimidazolium propionate ([mim] [CH₃CH₂COO]) and 1-methylimidazolium butyrate ([mim] [CH₃CH₂CH₂COO]), respectively. All the polymerization in the three RTILs proceeded in a well-controlled manner. The sequence of the apparent polymerization rate constants was k_app([mim] [CH₃COO]) >_kapp([mim] [CH₃CH₂COO]) >k_app([mim] [CH₃CH₂CH₂COO]).
- ATRP,
- Imidazolium carboxylate,
- Methyl methacrylate,
- Cuprous bromide
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