期刊
CHINESE JOURNAL OF CHEMISTRY
卷 28, 期 12, 页码 2527-2532出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201190033
关键词
poly(methyl methacrylate); methacryl-POSS; organic/inorganic hybrid materials; nanocomposites; thermal properties
资金
- China Academy of Engineering Physics [2008A0302014]
- Science and Technology Development Foundution of China Academy of Engineering Physics [2009A0302021]
- National Natural Science Foundation of China [10976020]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0846]
Poly(methyl methacrylate) (PMMA) nanocomposites containing (methacryloxy)propyl polyhedral oligomeric silsesquioxane (methacryl-POSS) were prepared by bulk-polymerization process. The structures of the products were characterized by FTIR, solid-state NMR, TEM, XRD, DSC, TGA, XPS and UV-Vis spectra. The hybrid materials were found to be largely homogeneous. DSC and TGA results indicate that the thermal properties of PMMA nanocomposites are significantly improved. The glass transition temperature (T-g) and thermal decomposition temperature (T-dec) of the nanocomposites increased by 58 and 110 degrees C, respectively. The bulk hybrid material maintains excellent optical transparency in visible region.
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