中国塑料2023，Vol.37Issue(12)：29-34,6.DOI:10.19491/j.issn.1001-9278.2023.12.005
影响BOPP电容膜击穿场强的微观结构及与制备工艺的关系探究
Microstructure of BOPP capacitor film affecting breakdown field strength and its relationship with preparation process
戴熙瀛 1张翀 1万彩霞 2杨威 1邢照亮1
作者信息
- 1. 北京智慧能源研究院,北京 102209
- 2. 中国科学技术大学,国家同步辐射实验室,合肥 230029||中国科学技术大学先进技术研究院,合肥 230094
- 折叠
摘要
Abstract
This article focused on the relationship between the processing parameters of biaxially oriented polypropylene(BOPP)capacitor films and breakdown field strength,as well as the microstructure affecting breakdown field strength.The results indicated that the microstructure affecting breakdown field strength included the crystallinity,mobility of molecular chains in the amorphous region,and roughness of BOPP capacitor films.The higher crystallinity,the more serious was the mobility of molecular chains in the amorphous region limited,the smaller was the roughness,and the higher was the break-down field strength.During the processing,the molecular chain motion ability in the amorphous region and roughness could be reduced through appropriately reducing the longitudinal stretching temperature.In addition,the crystallinity of BOPP ca-pacitor films increased with an increase in the transverse stretching temperature,thus reaching the goal of improving the break-down field strength.The establishment of the relationship between the processing,structure and performance of BOPP capaci-tive films provides a fundamental basis for improving their breakdown field strength in production lines.关键词
双向拉伸聚丙烯/电容膜/击穿场强/结晶度/无定形区Key words
biaxially oriented polypropylene/capacitor film/breakdown field strength/crystallinity/amorphous region分类
化学化工引用本文复制引用
戴熙瀛,张翀,万彩霞,杨威,邢照亮..影响BOPP电容膜击穿场强的微观结构及与制备工艺的关系探究[J].中国塑料,2023,37(12):29-34,6.
