The elastoplastic response of and moisture diffusion through a vinyl ester resin-clay nanocomposite

Aleksey D. Drozdov, Jesper de Claville Christiansen, R.K. Gupta, A.P. Shah

    Research output: Other contributionNet publication - Internet publicationResearch

    Abstract

    Experimental data are reported on the elastoplastic response of and moisture diffusion through a vinyl ester resin–montmorillonite clay nanocomposite with various amounts of filler. Two simple models are developed for the elastoplastic behavior of a nanocomposite and for the anomalous diffusion of penetrant molecules. Adjustable parameters in the constitutive equations are found by fitting the observations. It is revealed that some critical concentration of filler exists (about 1 wt.-%): in the sub-critical region of concentrations, molecular mobility of the host polymer strongly decreases with the clay content, whereas in the post-critical domain, the filler fraction weakly affects mobility of chains.
    Original languageEnglish
    Publication date2002
    Number of pages32
    Publication statusPublished - 2002

    Keywords

    • nanocompostite
    • elastoplasticity
    • anomalousdiffusion

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