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We first reported the simultaneous in-situ amine-modification and hydrophobization of a native silica aerogel at the benign temperature of 0°C for further isocyanate cross-linking, compared with the traditional method at the harsh temperature of −77°C. The hydrolysis of tetraethylorthosilicate (TEOS) was slower than that of tetramethoxysilane (TMOS) and each methyltrimethoxysilane (MTMS) monomer had...
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