2010•Journal of Functional BiomaterialsOpen access

The structure and properties of PMAA/MMT and PMAA/MMT/SiO_2 nanocomposite

Ma Jianzhong

Abstract

In this paper,polymethacrylic/montmorillonite(PMAA/MMT) nanocomposite and polymethacrylic/montmorillonite/silicon dioxide(PMAA/MMT/SiO2) nanocomposite were prepared via in-situ polymerization.The structures and properties of two kinds of nanocomposites were compared.The results show that a coexistence of exfoliated and intercalated MMT layers was found in the PMAA/MMT nanocomposite.The characteristic diffraction peak of MMT has already disappered and the nano materials are well dispersed in the polymer matrix in PMAA/MMT/SiO2 nanocomposite.PMAA/MMT and PMAA/MMT/SiO2 nanocomposites have tanning properies.In contrast,the tanning effect of PMAA/MMT/SiO2 nanocomposite was better.

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Key concepts: Nanocomposite, Montmorillonite, Materials science, Polymer, Polymerization, Chemical engineering, Composite material, Engineering