Poly(methyl methacrylate-maleic anhydride)-silica hybrid materials, P(MMA-MA5)-SiO2, were synthesized from the in situ reaction of methyl methacrylate (MMA) with 5 mol % maleic anhydride (MA),then hydrolyzed with 3-amino-propyl methyl diethoxysilane (APrMDEOS) coupling agent and tetraethoxysilane (TEOS) by asol-gel process. By the same method, the poly(methyl methacrylate-glycidyl methacrylate)-silica hybrids (P[MMA-GMA5]-SiO2), reacted with 5 mol % glycidyl methacrylate (GMA), were obtained. The structure and relaxation of the hybrids were characterized by IR, and 29Si- and 13C-NMR spectroscopy. The effect of the interfacial structure on the local dynamics of the hybrids was investigated using the 29Si-1H cross-polarization and proton spin-lattice relaxation time in the rotation frame.
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Document Type: Research Article
Department of Applied Chemistry, Chung Cheng Institute of Technology, NDU, Tahsi, Taoyuan, Taiwan
Chemical Systems Research Division, Chung Shan Institute of Science and Technology, Lungtan, Taoyuan, Taiwan
Publication date: 2003-05-01
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