？ FENG J, ZHAO N, JIANG Y G, et al. Preparation and characterization of Si-C-O aerogels using tetraethoxysilane and dimethyldiethoxysilane as precursors [J]. Rare Met Mater Eng, 2011, 40(3): 403–407.
[2]
？ WALTERA S, SORARUA G D, BRéQUEL H, et al. Microstructural and mechanical characterization of sol gel–derived Si-O-C glasses [J]. J Eur Ceram Soc, 2002, 22(13): 2389–2400.
[3]
？ MING-TA S H, TIMOTHY S C. Light–weight black ceramic insulation [P]. US Patent, 6620749. 2003–9–16.
[4]
？ MANUEL W, STEPHAN P. Sol–gel processing of a glycolated cyclic organosilane and its pyrolysis to silicon oxycarbide monoliths with multiscale porosity and large surface areas [J]. Chem Mater, 2010, 22(4): 1509–1520.
