通过分子设计优化环氧树脂的介电,机械和热性能,以实现多功能性能
Yuheng Deng1, Yen Wen Wong1, Letitia Kai Yue Teh1
1School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore. aszchen@ntu.edu.sg.
Materials horizons
|December 2, 2024
概括
分子修饰显著增强了用于先进电子的环氧树脂. 微量化学修饰剂大大提高了介电性质,机械强度和热可靠性,以经济高效的方式满足下一代材料需求.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 电气工程 电气工程
背景情况:
- 环氧树脂是电子产品中至关重要的介电材料.
- 微型化和更高的功率需求需要改进介电特性,如低介电常数,高分解强度和电阻.
- 现有的环氧树脂面临着满足这些不断变化的要求的挑战.
研究的目的:
- 开发改进的环氧树脂系统,具有增强的介电,机械和热性能.
- 调查分子修改的影响,包括体积庞大的组,交联潜力和深陷,对环氧树脂的性能.
- 确认简易合成程序的有效性,以创建先进的介电材料.
主要方法:
- 合成了三种分子修饰环氧树脂系统.
- 在环氧/氨基树脂上将氨酸无水化物移植.
- 使用富里埃变换红外光谱 (FTIR),扫描电子显微镜 (SEM) 和能量分散式X射线光谱 (EDX) 进行修饰树脂的表征.
主要成果:
- 一个0.5%重量%的马铁化物修饰将介电常数降低了30%,并增加了体积电阻17倍.
- 介电分解强度从61.5提高到73.4kV/mm,拉伸强度从69.7提高到75.4MPa.
- 其他修饰剂也在介电,机械,热和吸水性能方面取得了改进,成功移植和分散得到证实.
结论:
- 微量化学修饰剂可以大大提高电介质应用的环氧树脂性能.
- 经过修改的环氧树脂符合下一代电子和电气系统的严格要求.
- 这些改进可以在低生产成本下实现,为先进材料提供了可行的解决方案.
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