Self-Compatibilization of Polymer Blends Prepared via Functionalized Concentrated Emulsion Polymerization

Authored by: Hangquan Li , Haohao Huang , Eli Ruckenstein

Concentrated Emulsion Polymerization

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

Print ISBN: 9780367134556
eBook ISBN: 9780429026577
Adobe ISBN:

10.1201/9780429026577-26

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Abstract

Two “functionalized” concentrated emulsions in water were prepared separately, one from a weakly polymerized mixture of styrene (S) and a small amount of acrylic acid (AA) and the other from a mixture of butyl acrylate (or butyl methacrylate) and a small amount of glycidyl methacrylate (GMA). After the two concentrated emulsions were polymerized partially, they were mixed and subjected to complete polymerization. During the latter polymerization, reactions between the carboxyl groups of the AA moieties of the S/AA copolymer and the glycidyl groups of the GMA-containing copolymer occurred, and copolymers and crosslinked structures were generated that constituted the compatibilizers of the system. The blend materials thus obtained possessed excellent toughness compared to those without functional groups.

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