期刊
POLYMER
卷 50, 期 16, 页码 3905-3910出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2009.06.020
关键词
Nanocomposites; Click chemistry; Poly(methyl methacrylate)
A series of poly(methyl methacrylate)/montmorillonite (PMMA/MMT) nanocomposite were prepared by Successfully dispersing the inorganic nanolayers of MMT clay in an organic PMMA matrix via in situ photoinitiated free radical polymerization. Methyl methacrylate monomer was first intercalated into the interlayer regions of organophilic clay hosts by click chemistry followed by a typical photoinitiated free radical polymerization. The intercalated monomer was characterized by FT-IR spectroscopy, elemental analysis and thermogravimetric analysis methods. The intercalation ability of the modified monomer and exfoliated nanocomposite structure were confirmed by X-ray diffraction spectroscopy (XRD), transmission electron microscopy (TEM) and atomic force microscopy (AFM). Thermal stability of PMMA/MMT nanocomposites was also studied by both differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). (c) 2009 Elsevier Ltd. All rights reserved.
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