硅橡胶表面老化、改性与修复的研究  

Research on Aging,Modification and Repair of Silicone Rubber Surface

作　　者：潘伟斌 万小东 南敬 成保拓 代思雨 吴仲岿[1] PAN Wei-bin;WAN Xiao-dong;NAN Jing;CHENG Bao-tuo;DAI Si-yu;WU Zhong-kui(School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;State Key Laboratory of power grid environmental protection,Wuhan 430074,China)

机构地区：[1]武汉理工大学材料科学与工程学院,武汉430070 [2]电网环境保护国家重点实验室,武汉430074

出　　处：《表面技术》2022年第2期108-115,共8页Surface Technology

基　　金：电网环境保护国家重点实验室开放基金(GYW51201901305)。

摘　　要：主要探讨了硅橡胶表面产生电晕老化的原因和电晕老化的评估方法,并介绍了氢氧化铝(ATH)等无机填料对硅橡胶表面抗电晕老化改性的影响,归纳了硅橡胶表面紫外老化发生的机理以及相应的紫外老化评估手段。另外,讨论了二氧化钛、二氧化铈等光屏蔽剂以及紫外线吸收剂对硅橡胶表面耐紫外辐照老化性能的作用,总结了硅橡胶表面出现热老化的原因、相应的热老化评估方法以及当前国内外改善硅橡胶表面耐热老化性能常用的方法。论述了硅橡胶老化表面修复的最新研究进展。最后,提出了目前国内外学者在硅橡胶表面老化研究方面存在的一些问题,并对未来的发展方向进行了展望。This paper mainly discusses the causes of corona aging on the surface of silicone rubber and the corresponding evaluation methods of corona aging,and introduces the influence of inorganic fillers such as aluminum hydroxide(ATH)on the modification of anti corona aging of silicone rubber surface;The mechanism of UV aging on the surface of silicone rubber and the corresponding evaluation methods of UV aging are summarized.In addition,the effects of light-shielding agents such as titanium dioxide,cerium dioxide and ultraviolet absorbers on the UV radiation aging resistance of silicone rubber surface are discussed;the reasons for thermal aging on the surface of silicone rubber,the corresponding evaluation methods of thermal aging and the common methods to improve the surface heat aging performance of silicone rubber are summarized.The latest research progress of aging surface repair of silicone rubber is discussed.Finally,some problems existing in the research of aging of silicone rubber surface by domestic and foreign scholars are put forward,and the future development direction is prospected.

关 键 词：硅橡胶 电晕老化 紫外老化 热老化 表面改性 表面修复 

分 类 号：TQ333.93[化学工程—橡胶工业]