芳纶云母纸力学性能和绝缘性能的影响因素研究  

Study on factors affecting mechanical properties and insulation properties of aramid mica paper

作　　者：杨凯伦 闫宁 贾峰峰 张雨婷 陆赵情 YANG Kai-lun;YAN Ning;JIA Feng-feng;ZHANG Yu-ting;LU Zhao-qing(College of Bioresources Chemical and Materials Engineering, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper, Shaanxi University of Science &Technology, Xi′an 710021, China)

机构地区：[1]陕西科技大学轻工科学与工程学院陕西省造纸技术及特种纸品开发重点实验室,陕西西安710021

出　　处：《陕西科技大学学报》2022年第4期1-8,共8页Journal of Shaanxi University of Science & Technology

基　　金：国家自然科学基金项目(22178211);陕西省科技厅重点研发计划项目(2021ZDLGY14-05);陕西省教育厅重点研究计划项目(20JY002);浙江省重点研发计划项目(2019C04008);陕西省西安市科技计划项目(2019220114SYS016CG038)。

摘　　要：芳纶云母纸轻质、柔软、耐温、绝缘性能优异,被广泛用于变频电机、特种变压器等电气设备.本文以白云母配料,间位芳纶短切纤维、沉析纤维为骨架和粘结纤维制备了芳纶云母纸.研究了纤维配比、分散剂用量、云母含量、云母粒径等浆料参数对芳纶云母纸力学性能、绝缘性能的影响.结果表明,芳纶云母纸制备最佳浆料参数为:沉析纤维和短切纤维质量比为7∶3、分散剂PEO添加量为0.5 wt%、云母质量分数50 wt%、云母粒径在120~150μm.With soft-touch,lightweight,excellent temperature resistance and insulating performance,aramid mica paper is widely used in special motors,transformers and other electrical equipments.In this paper,aramid mica paper was prepared by using white mica,meta-aramid chopped fiber and meta-aramid fibrid as skeleton and bonding components respectively.The effects of aramid fibers ratio,dispersant dosage,mica content and mica particle size on mechanical properties,insulating properties,micro-structure and temperature resistance of paper were studied.The results showed that the optimal process parameters were as follows:the mass ratio of fibrid to chopped fiber was 7∶3,the amount of PEO was 0.5 wt%,the mass fraction of mica was 50 wt%,and the size of mica was 120~150μm.

关 键 词：芳纶云母纸 浆料参数 力学性能 绝缘性能 

分 类 号：TS758.7[轻工技术与工程—制浆造纸工程]