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A mixture of chitosan and carboxy methyl chitosan along with silane functionalized nanoclay has been grafted with acrylic acid followed by cross-linking. The nanocomposites were then examined for swelling characteristics in acidic, alkaline and neutral medium. In all the three mediums, an optimal clay content with maximum swelling was observed. The thermal characterization of the nanocomposites was also carried out.
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Prasanna et al. (2013) studied this question.
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