Studies on the Mechanism of Methyl Methacrylate Polymerization Initiated by Volatile and Nonvolatile Products of Methyl Methacrylate Plasma

Chemical Research in Chinese Universities ›› 1995, Vol. 11 ›› Issue (3): 250-255.

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Studies on the Mechanism of Methyl Methacrylate Polymerization Initiated by Volatile and Nonvolatile Products of Methyl Methacrylate Plasma

LIU Xiao-dong¹, LI Jing¹, MA Yu-guang², SHEN Jia-cong²

1. Basic Medical College, Norman Bethune University of Medical Scicnce, Changchun, 130023;
2. Key Lab of Molecular Spectra and Structure, Jilin University, Changchun 130023

Received:1994-10-22 Online:1995-08-24 Published:2011-08-17

Abstract

Abstract: The volatile (VPP) and nonvolatile (NVPP) products of methyl methacrylate(MMA) reaction in plasma chamber were used as initiators of MMA polymeriza-tion.From the structure analyses of the two initiators, the measurement of poly-merization kinetics, and the determination of the molecular weight of resultantpolymers, we found tliat MMA polymerization initiated by NVPP is a typical radical mechanism of polymerization which undergoes a process of continuous initiationand bifunction termination, while VPP-initiated polymerization suggested a mech-anism of living radical process fpolymerization with instantaneous initiation, chain-transfer to monomer, without termination).

Key words: Plasma initiated polymerzation, Methyl methacrylate, Kinetics

LIU Xiao-dong, LI Jing, MA Yu-guang, SHEN Jia-cong. Studies on the Mechanism of Methyl Methacrylate Polymerization Initiated by Volatile and Nonvolatile Products of Methyl Methacrylate Plasma[J]. Chemical Research in Chinese Universities, 1995, 11(3): 250-255.

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Studies on the Mechanism of Methyl Methacrylate Polymerization Initiated by Volatile and Nonvolatile Products of Methyl Methacrylate Plasma

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