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Research on ZrO_2/SiO_2 Composite Gelatinate Membrane Prepared by Sol-Gel Process

WANG Xing-li,YU Hong-yan,ZHANG Ke-zheng,QIU Guo-min(School of Petrochemical Technology,Liaoning University of Petroleum & Chemical Technology,Fushun 113001,China)  
ZrO_2/SiO_2 composite membranes were prepared by sol-gel method.The effect of some processing factors on the quality of ZrO_2/SiO_2 inorganic composite membranes and gelling time of sol were studied through an orthogonal test method.It is concluded that sol concentration,water addition and catalyst are the key factors for preparing satisfactory sol.Drying control chemical additive has an obvious effect on crack control.The best molar ratio was given by the study.
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