Living Radical Polymerization of Methyl Methacrylate with a New Initiation System

Abstract

Abstract: Living radical polymerization of methyl methacrylate was investigated using a new initiation system, i. e. DCDPS/Fe(DC)₃, in which diethyl-2,3-dicyano-2,3-diphenyl-succinate(DCDPS) is a hexa substituted ethane thermal iniferter and ferric tri(diethyldithiocarbamate)(Fe(DC)₃) is a ligand-free catalyst. The polymerization was successfully controlled in bulk at 95 ℃, PMMAwith high molecular weight and quite narrow polydispersities( M_w/M_n=1.20-1.29) were obtained. End group analysis by ¹HNMRspectroscopy shows that the resulting PMMAis ω-functionalized by a DC group.

Key words: Living radical polymerization, A new initiation system, Diethyl 2,3-dicyano2,3-diphenylsuccinate, Methyl methacrylate

CLC Number:

O631

TrendMD:

QIN Dong-Qi, QIN Shu-Hui, QIU Kun-Yuan . Living Radical Polymerization of Methyl Methacrylate with a New Initiation System[J]. Chem. J. Chinese Universities, 2001, 22(5): 866.

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Living Radical Polymerization of Methyl Methacrylate with a New Initiation System

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