功能化热/交联聚乙烯复合材料的制备和空间电荷特性,具有高热导电性
Bai Han1,2, Jinghui Dai1,2, Wanliang Zhao1,2
1Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, China.
Polymers
|November 25, 2023
概括
这项研究开发了一种新型功能化纳米泽奥利特 (TAICS-ZSM-5-HBP) 来增强交联聚乙烯 (XLPE) 纳米复合材料. 这种新材料显著提高了导热性,并抑制了XLPE中的空间电荷积累.
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
- 纳米技术纳米技术
背景情况:
- 纳米复合物兴奋剂增强聚乙烯介电性质.
- 结合热导率组可以改善交联聚乙烯 (XLPE).
- 纳米泽奥利特提高了聚乙烯的绝缘性能.
研究的目的:
- 通过将高分支聚胺 (HBP) 和TAIC接种到ZSM-5纳米石上来制备功能化纳米石 (TAICS-ZSM-5-HBP).
- 通过兴奋剂和热交叉连接制造XLPE/TAICS-ZSM-5-HBP纳米复合材料.
- 评估TAICS-ZSM-5-HBP对XLPE介电和热性能的影响.
主要方法:
- 将HBP和TAIC移植到ZSM-5纳米地质石上.
- 兴奋剂功能化纳米泽奥利特变成聚乙烯和交叉连接.
- 纳米复合材料的结构特征.
- 空间电荷抑制和导热度测量.
主要成果:
- 成功制备了具有均纳米粒子分散的XLPE/TAICS-ZSM-5-HBP纳米复合材料.
- 在高电场下,TAICS-ZSM-5-HBP显著抑制了空间电荷的积累.
- 纳米泽奥利特的多孔结构引入了深层陷,阻碍了充电注入.
- XLPE/TAICS-ZSM-5-HBP的导热率在20°C时增加了69.59%,在80°C时增加了62.83%.
结论:
- 功能化纳米泽奥利特 (TAICS-ZSM-5-HBP) 是增强XLPE纳米复合材料的有效填充剂.
- 开发的纳米复合材料表现出改善的介电特性和显著增强的导热性.
- 这项研究为开发用于高性能应用的先进XLPE材料提供了有前途的途径.
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