聚酰亚胺纳米杂化材料的制备、结构和性能

Preparation, Structure and Properties of Polyimides Hybrid Mat erials

摘要: 介绍了聚酰亚胺（PI）纳米杂化材料的四种制备方法：溶胶－凝胶法、插层法、分散法、相转移分散聚合法。纳米粒子在PI材料中分散性良好。由于纳米粒子本身性和纳米粒子改变了PI材料的应力作用点，随着SiO2,AIN等纳米粒子含量增加，PI杂化的玻璃化温度、热分解湿度、拉伸强度、断裂伸长率、杨式模量、密度增加，线性膨胀系数减少。对介电性能的影响因不同纳米材料而异。

Abstract: e: The paper reviews some preparative motheds of Polyimide inorganic hybrid material: Sol gel process, Intercalation , Dispersion process and ex situ methods. The T g, T d, tensile strength, Young's modulus and alongation at break of the polymide in