Polyacrylonitrile/Na−MMT nanocomposites were synthesized through an emulsion polymerization of acrylonitrile (AN) using 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS). The silicate (Na−MMT) layers were exfoliated during polymerization. The nanocomposites were exfoliated up to 20 wt % content of pristine Na−MMT relative to the amount of AN and exhibited the enhanced storage modulus, E ‘, when compared with pure PAN. Delaminated morphology of the nanocomposite was confirmed by TEM.
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Choi et al. (2002) studied this question.
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