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ZHANG Zhi-hua,NI Xing-yuan,CHEN Shi-wen,ZHOU Bin,SHEN Jun,WU Guang-ming,WANG Xiao-li,WU Yue-hua(Pohl Institute of Solid State Physics,Tongji University,Shanghai 200092,China). Ambient Pressure Preparation,Surface Structure and Adsorption Properties of Silica Aerogels[J]. Atomic Energy Science and Technology, 2005, 39(6): 498-498. DOI: 10.7538/yzk.2005.39.06.0498
Citation: ZHANG Zhi-hua,NI Xing-yuan,CHEN Shi-wen,ZHOU Bin,SHEN Jun,WU Guang-ming,WANG Xiao-li,WU Yue-hua(Pohl Institute of Solid State Physics,Tongji University,Shanghai 200092,China). Ambient Pressure Preparation,Surface Structure and Adsorption Properties of Silica Aerogels[J]. Atomic Energy Science and Technology, 2005, 39(6): 498-498. DOI: 10.7538/yzk.2005.39.06.0498
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  • A method to prepare silica aerogels is described.Polyethoxydisiloxanes(E-40) was used as silicon source and silica aerogels dried at ambient pressure were prepared via sol-gel process and surface modification.Scanning electronic microscopy(SEM),~(13)C,~(29)Si nuclear magnetic resonance(NMR) spectra and pore size distribution measurement were used to characterize the morphology and pore structure of the silica aerogels.Super-micro electron balance in vacuum was used to determine the adsorption capacities of the silica aerogels.The results show that the silica aerogels with nano-(porous) structure,good adsorption properties,and adjustable hydrophobic and hydrophilic property are suitable for different adsorptive applications.
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