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Role of montmorillonite nanoclay in self-assembly of quaternized chitosan nanoparticles (QCn) within the clay layers was investigated. Inorganic-organic nanohybrid of clay-chitosan was used as a reactive reinforcing agent in preparation of toughened epoxy nanocomposites. Intercalation of QCn within the clay layers increases d-spacing of clay layers from 1.2nm to 3.6nm, leading to an enhanced exfoliation...
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