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Polyimide/silica tube (PI/T-silica) hybrid films were successfully prepared from solution of polyamic acid (polyimide precursor) and silica tubes modified by coupling agent (γ-aminopropyltriethoxy silane, KH 550). Silica tubes were obtained by hydrolyzing tetraethyl orthosilicate (TEOS) using d,l-tartaric acid as a template. The morphology of silica tubes was investigated by transmission electron...
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