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    題名: Preparation and characterization of acrylic polymer–nanogold nanocomposites from 3-mercaptopropyltrimethoxysilane encapsulated gold nanoparticles
    作者: Chang, Chao-ching;Chen, Pei-huan;Chang, Chih-ming
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Nanogold;Gold nanoparticle;Acrylic;Nanocomposite
    日期: 2008-09
    上傳時間: 2010-08-09 18:21:10 (UTC+8)
    出版者: New York: Springer New York LLC
    摘要: In this study, acrylic polymer–nanogold nanocomposites and their cast films were prepared from an acrylic copolymer and 3-mercaptopropyltrimethoxysilane (MPS) stabilized gold nanoparticles by a sol–gel reaction. The acrylic copolymer was synthesized from methyl methacrylate (MMA) and 3-(trimethoxysilyl)propyl methacrylate (MSMA). The Si–OMe groups of MPS on the surface of gold nanoparticles (MPS–Au) provided the further reaction with the same groups of MSMA, hence the covalent bonds between polymers and MPS–Au nanoparticles were formed. FE-SEM images show MPS–Au nanoparticles are dispersed well in the prepared nanocomposites, and no large aggregation is occurred. TGA results indicate that the decomposed temperatures (Td) of low Au-content (0.1 wt.%) nanocomposites are higher than these of the acrylic copolymer and high Au-content (1.0 wt.%) nanocomposites. The temperature of maximum decomposed rate (Tp) of each prepared nanocomposite is higher than that of the acrylic copolymer. The hardness of the cast film increases with increasing the Au content. The results show the improved thermal stability and application potentials of the prepared acrylic polymer–nanogold nanocomposites.
    關聯: Journal of Sol-Gel Science and Technology 47(3), pp.268-273
    DOI: 10.1007/s10971-008-1774-4
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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