Polymerization in nonuniform latex particles. II. Kinetics of two-phase emulsion polymerization

Chorng-Shyan Chern,

Chorng-Shyan Chern

School of Chemical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100

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Gary W. Poehlein,

Corresponding Author

Gary W. Poehlein

School of Chemical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100

School of Chemical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100Search for more papers by this author

Chorng-Shyan Chern,

Chorng-Shyan Chern

School of Chemical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100

Search for more papers by this author

Gary W. Poehlein,

Corresponding Author

Gary W. Poehlein

School of Chemical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100

School of Chemical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100Search for more papers by this author

First published: October 1990

https://doi.org/10.1002/pola.1990.080281114

Citations: 25

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Abstract

A new theory, based on the concept of nonuniform distribution of free radicals in polymerizing latex particles, has been developed for the kinetics of two-phase emulsion polymerization reactions. This theory also takes into account the diffusion controlled termination and propagation reactions to describe the gel effect and limiting conversion. The kinetic model permits prediction of the distribution of free radicals in the two polymer phases and rate of polymerization as a function of reaction conditions. Experimental data for polystyrene/polymethyl methacrylate and polymethyl methacrylate/polystyrene (postformed polymer/preformed polymer) in the literature have been used to assess the proposed idea of nonuniform distribution of free radicals in the latex particle.

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Volume28, Issue11

October 1990

Pages 3055-3071

Polymerization in nonuniform latex particles. II. Kinetics of two-phase emulsion polymerization

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Polymerization in nonuniform latex particles. II. Kinetics of two-phase emulsion polymerization

Abstract

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