聚乙烯醇/氧化石墨插层纳米复合材料的结构和热分析(英文)STRUCTURE AND THERMAL ANALYSIS OF POLY (VINYL ALCOHOL)/GRAPHITE OXIDE INTERCALATED NANOCOMPOSITE
徐加艳,胡源,宋磊,王清安,范维澄
摘要(Abstract)：
制备了聚乙烯醇 /氧化石墨插层纳米复合材料 ,并用 X-射线衍射仪和高分辨电镜对其结构进行了表征。X-射线衍射仪和高分辨电镜的试验结果表明 ,氧化石墨和聚乙烯醇插层氧化石墨的层间距分别为 0 .89nm和 1.4nm。该纳米复合材料的热分析和热失重图说明 ,氧化石墨的加入有利于提高聚乙烯醇 /氧化石墨纳米复合材料的玻璃化转变温度和氧化温度 ,同时也降低了其热释放速率
关键词(KeyWords)： 氧化石墨;插层;聚乙烯醇
基金项目(Foundation): 国家自然科学基金项目 (编号 :50 0 0 30 0 8);; 中国科学技术大学火灾科学国家重点实验室知识创新和开放基金项目
作者(Author): 徐加艳,胡源,宋磊,王清安,范维澄
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