Self-Compatibilization of Polymer Blends via Concentrated Emulsions

Authored by: Eli Ruckenstein , Hangquan Li

Concentrated Emulsion Polymerization

Print publication date:  April  2019
Online publication date:  March  2019

Print ISBN: 9780367134556
eBook ISBN: 9780429026577
Adobe ISBN:

10.1201/9780429026577-24

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Abstract

A novel approach to the formation and compatibilization of polymeric blends is suggested, namely the self-compatibilization via concentrated emulsions. In this method, two concentrated emulsions are prepared from different monomers and subjected to partial polymerization; at least one concentrated emulsion contains also some divinyl-terminated macromonomer. A blend is formed by mixing the partially polymerized latexes and subjecting the mixture to complete polymerization. Some AB networks, with the macromonomer as chains A and the homo- and copolymers generated from the other monomers as chains B, are formed, which ensure the self-compatibilization of the resulting blend. Blends of styrene-co-methyl methacrylate and poly (vinyl acetate) were prepared and investigated as a model system.

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