热稳定性
三氟甲基
二胺
溶解度
高分子化学
聚合物
乙醚
材料科学
苯
缩聚物
氟
化学
有机化学
烷基
作者
Kexin Xie,Shiyong Zhang,J. G. Liu,Meng He,Yang Shen
摘要
Abstract The synthesis and properties of a class of soluble fluorine‐containing aromatic polyimides are described. Substituents of trifluoromethyl groups on the aromatic rings of paralinked aromatic ether diamine conferred the polymer prepared thereof with enhanced solubility, low‐moisture absorption, and low dielectric constants. The polyimides also exhibited exceptional thermal stability, good mechanical properties, and excellent hygrothermal resistance. These outstanding combined features ensure the polymers are desirable candidate materials for advanced microelectronics applications. © 2001 John Wiley & Sons, Inc. J Polym Sci Part A: Polym Chem 39: 2581–2590, 2001
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