Polymerization of Methyl Methacrylate Initiated by Peroxydicarbonate and N,N-dihydroxyalkyl -p-toluidine Systems

Abstract

Abstract: The polymerization of methyl methacrylatc (MMA) initiated by bis-2-phenoxyethyl peroxydicarbonate (BPPD) and N, N-di-2-hydroxyethyl-p-toluidine (DHET), N, N-di-2-hydroxypropyl-p-toluidine(DHPT), N,N-dimethyl-p-toluidine(DMT), N,N-dimethyl aniline(DMA) binary systems has been studied. The polymerization rate R_P and overall activation energy E₃ of polymerization were determined respectively. It was found that the order of R_P for initiation systems was BPPD-DHET≈BPPD-DHPT>BPPD-DMT, while the order of E_g was reversed. The rate equations for MMApolymerization in toluene solution were also determined. An initiation mechanism was proposed based on the results of ESRstudies and end group analysis.

Key words: Bis-2-phenoxyethyl peroxydicarbonate, N, N-di-2-hydroxyalkyl-_p-to- luiciine, Redox initiation system, MMA polymerization

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Qiu Kunyuan, Fu Jie . Polymerization of Methyl Methacrylate Initiated by Peroxydicarbonate and N,N-dihydroxyalkyl -p-toluidine Systems[J]. Chem. J. Chinese Universities, 1989, 10(5): 506.

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Polymerization of Methyl Methacrylate Initiated by Peroxydicarbonate and N,N-dihydroxyalkyl -p-toluidine Systems

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