화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.14, No.5, 539-544, October, 2006
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New Tridentate Ligands with Mixed Donor Atoms for Cu-Based Atom Transfer Radical Polymerization
Hong Youl Cho, Byung Hui Han, Il Kim, and Hyun-jong Paik†
  • Department of Polymer Science and Engineering, Pusan National University, Busan 609-753, Korea
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2-Furancarboxaldehyde-2-pyridinylhydrazone (FPH) and 5-methyl-2-furancarboxaldehyde-2-pyridinylhydrazone (MFPH) were synthesized and used as tridentate ligands of copper (I) bromide for the atom transfer radical polymerization of methyl methacrylate (MMA) and styrene. The polymerization of methyl methacrylate achieved high conversion and yielded polymers with a good control of molecular weight and low polydispersity (PDI=1.33). Higher PDI were observed in the polymerization of styrene. Using 1-phenyl ethylbromide (PEBr) and ethyl 2-bromoisobutyrate (EBiB) as model compounds for the polymeric chain ends, the activation rate constants of the new catalytic systems were measured. These results were correlated with the polymerization results and compared with another catalytic system previously reported.
Keywords:atom transfer radical polymerization;copper complex;styrene;methyl methacrylate;activation rate constant;tridentate ligand;mixed donor atoms
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