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Citation: TANG Long-Xiang, FAN Bao-Lin, QU Long, LIU Chun-Hu, WANG Ping-Hu. Synthesis & Application of Immobilized Ligand of Atom Transfer Radical Polymerization[J]. Chinese Journal of Applied Chemistry, ;2010, 27(8): 882-886. doi: 10.3724/SP.J.1095.2010.90727 shu

Synthesis & Application of Immobilized Ligand of Atom Transfer Radical Polymerization

School of Chemical and Engineering, Hefei University of Technology, Hefei 230009

Received Date: 4 November 2009
Revised Date: 1 February 2010

Immobilized ligand was synthesized via the Michael addition reaction between methyl acrylate (MA) and triethylenetetramine(TETA) on the surfaces of nano-silica organic/inorganic hybrid particles. The resulting immobilized ligand was utilized for the atom transfer radical polymerization(ATRP) of methyl methacrylate(MMA). Kinetic curves show the linear dependence of ln[c(M₀)/c(M_t)]on time,and the molecular mass of poly (methyl methacrylate) increases linearly with monomer conversion. Compared with traditional ATRP processes,the immobilized catalyst could be easily separated and collected from final product by centrifugation. The activity of reclaimed catalyst could be retained and the catalyst can be reused for the ATRP of MMA with controllable polymerization reaction.
- atom transfer radical polymerization,
- nano-silica,
- Michael addition,
- methyl acrylate,
- methyl methacrylate,
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