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《Glass & Enamel》 2006-02
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Study on Inorganic SiO_2 Membranes Prepared by Sol-Gel Method

QIU Chun-yang,ZHANG Ke-zheng(School of Petrochemical Technology,Liaoning University of Petroleum & Chemical Technology,Fushun 113001,China)  
Inorganic SiO_2 membranes on Al_2O_3 wafer substrates were prepared by sol-gel method using TEOS as the precursor.The effects of coating temperature,the concentrations of sol and additive on the performance of membranes were systematically analyzed.Results show that coating at higher temperature can improve the performance of membranes,coating process with the combination of concentrated sol and diluted sol not only improves coating efficiency,but also improves the performance of membranes.In addition,the additives DMF can homogenize the pore size of membranes and improve the performance of inorganic SiO_2 membranes.
【CateGory Index】: TQ127.2
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