壓克力高分子-奈米金奈米複合材料之製備以及性質研究

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Title:	壓克力高分子-奈米金奈米複合材料之製備以及性質研究
Authors:	陳思豪;陳昭漢;陳景弘;張朝欽
Contributors:	淡江大學化學工程與材料工程學系
Keywords:	奈米金;壓克力高分子-奈米金複合材料;Nanogold;Acrylic-nanogold nanocomposite
Date:	2007-01
Issue Date:	2014-02-09 00:54:54 (UTC+8)
Abstract:	本研究著重於以壓克力高分子共聚物製備高分子-奈米金複合材料，研究中以自由基聚合法聚合不同比例甲基丙烯酸甲酯-丙烯酸共聚物與甲基丙烯酸甲酯-丙烯酸鈉共聚物，並以三乙基硼氫化鋰為還原劑於高分子溶液中還原金鹽。研究中同時證實丙烯酸鈉位於共聚物高分子鏈上仍然兼具還原劑與保護劑的效果。研究中所合成的奈米金在520~570nm均有明顯吸收峰，並隨奈米金粒徑增加而紅移。熱分析結果發現包覆奈米金後不會降低聚合物的熱裂解溫度，但是對於玻璃轉移溫度卻有上升的趨勢。 This work focuses on the preparation of polymer-nanogold nanocomposites which protected and stabilized by acrylic copolymers. The radical chain polymerization was used to synthesize poly(MMA-co-AA) and poly(MMA-co-SA) copolymers, and HAuCl4 was reduced in the polymer solutions by Super-Hydride in this study. This study also confirms that sodium acrylate on the copolymer chain can reduced/stabilized gold to synthesize nanogolds. The .lambda.max of the prepared nanocomposites were at 520~570 nm, and red shift as the gold particles grow up. The glass transition temperatures are increasing in the prepared nanocomposites, but the degradation temperatures are not decreasing in the prepare nanocomposites.
Relation:	2007高分子聯合會議論文集=Proceedings of 2007 Annual Polymer Conference，4頁
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Proceeding

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