Kinetics and Molecular Weight Models and Simulation for Methyl Methacrylate Polymerization

Abstract

Abstract: The volume contraction, changing of reactant and resultant, and the effects of gel, glass and cage effects on the rate constants and physical properties in the methyl methacrylate polymerization process are considered. On the basis of the elementary reactions and the species mass balance, novel kinetic and molecular weight models for methyl methacrylate semi-batch polymerization with the participation of chain transfer agent and new materials addition flow rate are presented. Using the presented models, the effects of temperature, initiator concentration and type, monomer or solvent concentration and type, and chain transfer agent concentration and type on the kinetics of methyl methacrylate polymerization and molecular weight of polymer are simulated. Experimental and literature data of kinetics and molecular weight are compared with the simulation results to examine the presented models.

Key words: Methyl methacrylate, Kinetics, Molecular weight, Model

CLC Number:

O631

TrendMD:

SHAN Guo-Rong, Gilles Fevotte, Yann LE Gorrec . Kinetics and Molecular Weight Models and Simulation for Methyl Methacrylate Polymerization[J]. Chem. J. Chinese Universities, 2002, 23(11): 2182.

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Kinetics and Molecular Weight Models and Simulation for Methyl Methacrylate Polymerization

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