摘要
针对轨道交通领域应用的需求,分别对自制A766芳纶绝缘纸及国内外同类型芳纶绝缘纸进行性能对比研究。结果表明:A766芳纶绝缘纸与进口芳纶绝缘纸的成分与结构基本一致;A766芳纶绝缘纸的温度指数TI为223℃,氧指数为30.2%,烟密度为1.4,烟毒性为0.875,满足防火等级R22项HL2级和R23项HL2级标准;A766芳纶绝缘纸浸水耐压保持率更高,0.05 mm芳纶绝缘纸保持率可达83.5%,0.13 mm芳纶绝缘纸保持率为73.8%;肖恩试验结果显示,A766芳纶绝缘纸的抗铜铝导体热氧老化性能与进口芳纶绝缘纸表现基本一致。因此,A766芳纶绝缘纸满足轨道交通领域应用要求。
Aiming at the application requirements of rail transit,we studied and compared the performance of A766 aramid insulation paper and the same types of aramid insulation paper at home and abroad.The results show that the composition and structure of A766 aramid insulation paper and the imported aramid insulation paper are basically the same.The temperature index of A766 aramid insulation paper is 223℃,the oxygen index is 30.2%,the smoke density is 1.4,and the smoke toxicity is 0.875,which meets the HL2 and HL2 of R22 and R23 fire rating standards.A766 aramid insulation paper has higher voltage withstand retention rate after immersion in water,the retention rate of 0.05 mm aramid insulation paper is 83.5%,and the retention rate of 0.13 mm aramid insulation paper is 73.8%.The Shawn’s experiment shows that the thermal oxygen ageing property resistance to copper/aluminum metal conductor of A766 aramid insulation paper is the same as that of the imported aramid insulation paper.Therefore,A766 aramid insulation paper can meet the application requirements of rail transit.
作者
李正胜
涂川俊
宋欢
陈磊
刘兴隆
LI Zhengsheng;TU Chuanjun;SONG Huan;CHEN Lei;LIU Xinglong(College of Materials Science and Engineering,Hunan University,Changsha 410082,China;Zhuzhou Times New Material Technology Co.,Ltd.,Zhuzhou 412007,China)
出处
《绝缘材料》
CAS
北大核心
2021年第5期21-26,共6页
Insulating Materials
关键词
A766芳纶绝缘纸
性能
轨道交通
成分与结构
A766 aramid insulation paper
performance
application of rail transit
composition and structure
作者简介
李正胜(1987-),男(汉族),四川广元人,工程师,主要从事芳纶绝缘材料的开发及应用的研究;通信作者:涂川俊(1977-),男(汉族),四川泸州人,高级实验师,主要从事先进电碳材料、碳石墨复合材料等领域的研究。
