Polyurethane/Montmorillonite Nanocomposites Huang Wenyong, Pang Hao, Zhao Shulu, Zhang Xianwen, Liao Bing (Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650) Abstract In recent years, layered silicates/polyurethane nanocomposites have attracted a great deal of attention because of the improvements in the mechanical, thermal and gas barrier properties of the polymer. These improvements are brought about by having a small amount of layered silicates dispersed at the nanometer scale. Polyurethane intercalation into layered silicates is a novel approach to synthesize organic-inorganic Polyurethane nanocomposites. The recent research and development of polyurethane/montmorillonite(PU/MMT)nanocomposites material were reviewed, including the new features of PU/MMT nanocomposites, as well as organo-modification of montmorillonite, the structure, preparation and characterization of PU/MMT nanocomposites. Key words Nanocomposite, Polyurethane, Montmorillonite 聚氨酯/蒙脱土纳米复合材料 黄文勇 庞 浩 赵树录 张先文 廖 兵* (中国科学院广州化学研究所 广州 510650) 摘要 蒙脱土的插层复合是聚氨酯改性的新方法。本文介绍了当前有关聚氨酯/蒙脱土(PU/MMT)纳米复合材料的研究进展，包括PU/MMT的新特性、蒙脱土的有机改性、PU/MMT纳米复合材料的制备方法与结构及性能的表征，并对这种复合材料的研发前景进行了展望。 关键词 聚氨酯 纳米复合材料 蒙脱土 黄文勇 男，26岁，硕士生，从事纳米复合材料的研究。 *联系人，E-mail:liaobin@public.guangzhou.gd.cn 中国科学院研究生院资助项目 2002-04-14收稿，2002-06-12修回 (PDF全文下载c02084)