纳米氧化硅复合环氧和聚氨酯涂料耐磨性与耐蚀性研究  

WEAR-AND CORROSION-RESISTANCE OF NANO-SiO_2 COMPOSITE EPOXY AND POLYURETHANE COATINGS

作　　者：刘福春[1] 韩恩厚[1] 柯伟[1] 

机构地区：[1]中国科学院金属研究所金属腐蚀与防护国家重点实验室,沈阳110016

出　　处：《腐蚀科学与防护技术》2009年第5期433-438,共6页Corrosion Science and Protection Technology

基　　金：国家科技支撑计划(2007BAB27B02-02;2009BAE70B02);国家自然科学基金重大项目(50499334)

摘　　要：利用两步法制备了纳米氧化硅复合环氧涂料和聚氨酯涂料.并对其耐磨性与耐蚀性进行了研究.其结果表明:与未加入纳米氧化硅的涂层相比,纳米氧化硅复合环氧涂层和聚氨酯涂层的显微硬度分别提高7%、6.2%,耐磨性有很大提高,同时纳米氧化硅聚氨酯涂层耐蚀性有明显提高,纳米氧化硅环氧涂层的耐蚀性没有下降.Nano-SiO2 composite epoxy coating and polyurethane coating were prepared by a two-step process. In comparison with neat coatings, the micro hardness of the nano-SiO2 composite epoxy coating and the polyurethane coating increased 7% and 6.2% respectively, therewith, the wear resistance of them was also significantly enhanced. The incorporation of nano-SiO2 particles increased evidently the corrosion resistance for the polyurethane coating,however.and did no change that for the epoxy coating.

关 键 词：纳米氧化硅 环氧 聚氨酯 涂料 耐蚀性 耐磨性 

分 类 号：TG174.46[金属学及工艺—金属表面处理]