Preparation of tetraethoxysilane-based silica aerogels with polyimide cross-linking from 3, 3′, 4, 4′-biphenyltetracarboxylic dianhydride and 4, 4′-oxydianiline
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DOI: 10.1007/s10971-017-4566-x
Abstract: AbstractPolyimide cross-linked silica aerogels with different weight percentages of polyimide were prepared through sol–gel technology and supercritical CO2 fluid drying technology. Tetraethoxysilane (TEOS) was used as a silica source precursor, 3-aminopropyltriethoxysilane (APTES) end-capped polyimide was… read more here.
Keywords: polyimide cross; cross; biphenyltetracarboxylic dianhydride; based silica ... See more keywords