硅氧烷活性稀释剂改性环氧/酸酐浸渍树脂研究  

Properties of Epoxy/Anhydride Resin Modified by Siloxane Reactive Diluent

作　　者：李鸿岩[1] 黄友根[1] 曾亮[1] 张浩[1] 姜其斌[1] 

机构地区：[1]株洲时代新材料科技股份有限公司,湖南株洲412007

出　　处：《绝缘材料》2011年第5期8-10,共3页Insulating Materials

摘　　要：采用活性硅氧烷作为VPI环氧树脂的稀释剂,研究了添加不同用量的硅氧烷稀释剂对树脂体系的粘度、储存稳定性、固化物力学性能及介电性能的影响。结果表明:随着硅氧烷稀释剂添加量的增大,体系的粘度显著降低,对储存稳定性影响很小,冲击强度明显提高,介质损耗呈上升趋势,在155℃下tanδ最大值不超过0.024。当硅氧烷稀释剂的添加量为16份时,浸渍树脂的综合性能达到最佳。Using reactive siloxane as diluent,the effects of diluent content on the viscosity and storage stability of epoxy/anhydride resin,and on the mechanical properties and dielectric propertiesof the curing resin were studied.The results show that with the increase of siloxane diluent content,the viscosity of the resin decreases remarkably,the storage stability changes a little,the impact strength improves obviously and the dielectric loss increases,with the maximum of tanδ not larger than 0.024 at 155 ℃.When the reactive siloxane is 16 phr,the comprehensive properties attain optimum.

关 键 词：环氧树脂 活性硅氧烷 真空压力浸渍(VPI) 介质损耗 

分 类 号：TM215.4[一般工业技术—材料科学与工程] TM287[电气工程—电工理论与新技术]