原位生成纳米SiO_2/环氧聚酯改性有机硅耐电晕无溶剂漆的性能研究  

Properties Study of Silicone Corona Resistant Solventless Varnish Modified by In-situ Formation Nano-silica/Epoxy Polyester

作　　者：黄芬 张春琪 景录如 徐晓风 刘蓉 樊保婷 

机构地区：[1]苏州太湖电工新材料股份有限公司,苏州215214

出　　处：《绝缘材料》2015年第1期25-29,共5页Insulating Materials

摘　　要：采用原位生成的纳米SiO2/环氧聚酯改性有机硅树脂制备了TH1178-2耐电晕无溶剂绝缘漆,并与采用直接掺杂法制备的纳米SiO2改性有机硅耐电晕漆TH1178-1的耐电晕性能进行了比较分析。结果表明:原位生成纳米SiO2改性比纳米SiO2直接掺杂改性的粒子分散更加均匀,无明显颗粒团聚现象;TH1178-2耐电晕漆比TH1178-1的耐电晕时间增长幅度更明显,耐电晕性能更好,同时具有优良的电气性能和力学性能,适用于H级以上电机或电器的耐电晕绝缘结构浸渍处理。A corona resistant solventless insulating varnish THl178-2 was prepared from the silicone resin modified by in-situ formation nano-silica/epoxy polyester, and its corona resistance property were compared with the silicone corona resistant insulating varnish THl178-1 modified by directly doping nano-silica. The results show the dispersity of the particles modified by in-situ formation is more even titan that modified by directly doping, and the particles have no significant agglomeration phenomena. The corona resistant time of the TH1178-2 increases more obviously than that of the TH1178-1, and the THl178-2 has excellent corona resistant property, electrical properties and mechanical properties, which is suitable to impregnate the corona resistant insulation structure of the motor or electrical apparatus above H class.

关 键 词：原位生成 耐电晕 纳米SiO2 有机硅 无溶剂漆 

分 类 号：TM215.41[一般工业技术—材料科学与工程] TM201.44[电气工程—电工理论与新技术]