在双轴定向聚烯电容膜中,拉伸调节的板状厚度的均质化及其对断裂强度的影响
Jinqing Wang1, Hanxiang Guo2, Xinghua Huang1
1College of Polymer Science & Engineering, Sichuan University, Chengdu, 610065, P. R. China.
Macromolecular rapid communications
|December 11, 2024
概括
通过控制温度和比率来优化聚烯电容膜的双轴拉伸,可以增强晶体结构并提高电分解强度 (Eb). 均质化片厚度是实现优越电绝缘性能的关键.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 电气工程 电气工程
背景情况:
- 双轴定向聚烯 (BOPP) 薄膜对于电容器至关重要,因为它们的电特性.
- 拉伸会诱导结晶结构,影响电影的表现.
- 了解结构-属性关系对于优化BOPP片至关重要.
研究的目的:
- 为了研究拉伸温度,比率和化对BOPP薄膜层结构的影响.
- 为了将薄膜结构与电分解强度 (Eb) 相对应.
- 确定用于增强电绝缘的处理参数.
主要方法:
- 聚烯薄膜的同步双轴拉伸.
- 控制拉伸温度,拉伸比率和回火温度的变化.
- 叶片结构的分析和电分解强度的测量 (Eb).
主要成果:
- 增加拉伸比率促进了更厚的叶片,并增强了Eb.
- 拉伸接近或超过初始化温度 (T初始) 会导致更薄的层状膜和减少的Eb.
- 在点以下的化有助于形成更厚的片状,并改善Eb.
结论:
- 叶片厚度的均质化与改善的电分解强度 (Eb) 直接相关.
- 优化拉伸和回火参数对于提高BOPP薄膜的电绝缘性至关重要.
- 结果为先进的材料加工和设计提供了洞察力.
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