Liquid-phase oxidation modification of carbon fiber surface

摘要：

　　The carbon fibers were subjected to liquid-phase oxidation treatment in 65% nitric acid solution.The relation between liquid-phase oxidation time and structure of carbon fibers had been assessed by LRS,XRD,SEM,and FTIR.The results indicate that smaller surface crystallites obtained by etching and more unsaturated carbon created after treatment,and corrosion enhanced with the increase of oxidation time.But nitric acid oxidation treatment does not change the bulk structure of carbon fibers.After nitric acid treated,the grooves of surface is wider and deeper compared to the original carbon fiber,When the oxidation times reach 12 hours,the surface of carbon fibers is severely damage.When the oxidation times reach 6 hours,there is not any characteristic peek in the FTIR.But after oxidation treatment for 9 hours,-COOH,-OH can be found from FTIR.So the best time for liquid-phase oxidation process is 9 hours.

关键词： Surface treatment Carbon fiber Nitric acid oxidation

作者: Wenbo LU Chengguo Wang Hua Yuan Xiuying Hu

作者单位: Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials(Ministry of Educati Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials(Ministry of Educati

会议类型: 国际会议

会议名称: the 2012 International Conference on Frontiers of Advanced Materials and Engineering Technology (2012年先进材料与工程技术国际会议(FAMET 2012))

会议地点: 厦门

会议语种:英文

页码: 2008-2012

在线出版日期: 2012-01-04（万方平台首次上网日期，不代表论文的发表时间）