Preparation of tetraethoxysilane-based silica aerogels with polyimide cross-linking from 3, 3', 4, 4'-biphenyltetracarboxylic dianhydride and 4, 4'-oxydianiline

Fei, ZF; Yang, ZC; Chen, GB; Li, KF

Fei, ZF (reprint author), Naval Univ Engn, Sch Power Engn, Wuhan 430033, Hubei, Peoples R China.; Fei, ZF (reprint author), Naval Univ Engn, Inst High Temp Struct Composite Mat Naval Ship, Wuhan 430033, Hubei, Peoples R China.

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 2018; 85 (3): 506

Abstract

Polyimide cross-linked silica aerogels with different weight percentages of polyimide were prepared through sol-gel technology and supercritical CO2 f......

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