聚烯/弹性体复合绝缘材料的综合性能规范和特性
Xinhua Dong1, Xianhao Fan2, Wei Wang1
1State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China.
Polymers
|February 26, 2025
概括
可回收聚烯绝缘材料通过添加弹性体来改进,增强机械强度和电气性能. PP/PBE-2复合材料在高压电缆应用中表现出最佳的性能.
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:
- 聚烯 (PP) 是可回收电缆绝缘的关键材料.
- 提高PP的机械和电气性能对于先进的应用至关重要.
- 了解弹性体在PP复合材料中的作用对于材料开发至关重要.
研究的目的:
- 通过使用弹性体来研究提高PP机械和电气性能的协同机制.
- 分析弹性体对PP复合材料微观结构,聚合结构和载体迁移的影响.
- 为了确定电缆绝缘的最佳PP/elastomer组合物.
主要方法:
- 微观结构分析是指微观结构分析.
- 结晶研究研究结晶的研究.
- 机械性能测试 (拉力强度,模量,破裂时的延长)
- 电气性能测试 (分解强度,体积电阻)
- 对具有不同弹性体含量的PP/弹性体复合材料的分析.
主要成果:
- 弹性体提高了拉伸强度和破裂时的延伸,同时降低了PP的拉伸模量.
- 弹性体和PP矩阵之间的增强兼容性产生无形区域和晶体-无形接口.
- 这些接口充当深陷,减少载体的移动性并改善电气性能.
- 断裂强度和体积电阻率最初随着弹性含量而增加,然后减少.
- PP/PBE-2复合材料表现出优越的机械和电气性能.
结论:
- 弹性体添加提供了一个可行的策略,用于协同增强PP的机械和电气性能.
- 由弹性体诱导的微结构修改是提高性能的关键.
- PP/PBE-2被认为是用于高压电缆的有希望的可回收隔热材料.
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