互感器用绝缘聚四氟乙烯薄膜的研制
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摘要
介绍了高性能绝缘用聚四氟乙烯薄膜的制备,该薄膜用于互感器层间及电磁线绕组的绝缘,也可用于高温即耐热环境要求高的绝缘场合,经测试薄膜的电气强度大于160k V/mm、拉伸强度大于60MPa、薄膜材料的分解温度为385℃,各项性能指标均能满足用户的要求。
This paper introduces the development of a high-performance insulating PTFE film,which is mainly used for the interlayer adhesion of transformer and the insulation of electromagnetic winding wires,and also exhibits excellent insulating properties with high temperature. TGA test shows that the electrical strength of the film is more than 160 k V/mm and its tensile strength is greater than 60 MPa. The film's heat decomposition temperature is 385℃. All properties of the newtype film can satisfy the requirements of users.
This paper introduces the development of a high-performance insulating PTFE film,which is mainly used for the interlayer adhesion of transformer and the insulation of electromagnetic winding wires,and also exhibits excellent insulating properties with high temperature. TGA test shows that the electrical strength of the film is more than 160 k V/mm and its tensile strength is greater than 60 MPa. The film's heat decomposition temperature is 385℃. All properties of the newtype film can satisfy the requirements of users.
引文
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8 黄庆林,肖长发,胡晓宇,等.聚四氟乙烯膜的制备及性能[J].高分子材料科学与工程,2010(5):123-126.
2 陈月辉,王锦成,王继虎,等.互感器用绝缘复合膜的研制[J].上海工程技术大学学报,2004(6):114-116.
3 任晓,方春恩,李伟,等.35k V电子式电流互感器绝缘结构设计[J].电工电气,2012(4):21-24.
4 郭昱延,李卫国,杨鑫,等.3种聚合物薄膜拉伸状态下的绝缘强度研究[J].绝缘材料,2012(4):53-59.
5 孙德,李冰冰,许振良.PTFE一PDMS/PET复合膜制备及其渗透汽化性能[J].膜科学与技术,2013(6):39-43.
6 李捷,王成,刘培杰,等.PTFE/玻纤膜结构材料拉伸性能研究[J].高科技纤维与应用,2013(2):48-52.
7 刘慈军,詹小军.聚四氟乙烯衬里工艺及其应用[J].化工装备技术,2012(10)61-63.
8 黄庆林,肖长发,胡晓宇,等.聚四氟乙烯膜的制备及性能[J].高分子材料科学与工程,2010(5):123-126.