Studies on Acrylate Thermoplastic Elastomer with Latex Interpenetrating Polymer Network Structure

Abstract

Abstract: The conditions of the multistage emulsion polymerization were investigated. The structure of the latex particles obtained under different polymerization conditions was observed by using TEM. An inverse core-shell structure was generated when 75% light crosslinked xPEA combines with 25% xPSt or xPSAN, whereas a pure core-shell structure was formed when xPEA was heavily crosslinked. DSC analysis showed that the two polymers formed IPN. The relationship between the mechanical properties and the interpenetrating networks was discussed based on the recombination model of the domains. The role of the recombination of the domains was investigated. The optimum values of TEGDA in the xPEA and DVB in the xPSt are 0.5% and 0.15%, respectively.

Key words: Multi-stage seed emulsion polymerization, Latex interpenetrating polymer networks(LIPN), Reverse core-shell structure, Thermoplastic elastomer(TPE)

CLC Number:

O636.1

TrendMD:

DONG Han-Peng, LI Xiao-Yu . Studies on Acrylate Thermoplastic Elastomer with Latex Interpenetrating Polymer Network Structure[J]. Chem. J. Chinese Universities, 2004, 25(4): 774.

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Studies on Acrylate Thermoplastic Elastomer with Latex Interpenetrating Polymer Network Structure

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