The preparation and characterization of ceramic composite tubular membrane，ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）-中国聚合物网,论文下载

The preparation and characterization of ceramic composite tubular membrane

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sol-gel method ceramic composite tubular membrane dip-coating

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3267K

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分子表征

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ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）

简介：

Membraneseparationtechnologyhasbeengreatlydevelopedandwidelyusedinfieldsoffood,petrochemical,medicalandwatertreatmentinthepastdecades.Inthisexperiment,theboehmitesolsandmixedsolscontainingPVAwerefirstlypreparedbythesol-gelmethod.Thenthesolsweredepositedonα-Al2O3poroussubstratesbydip-coatingmethod.Aftersintering,thecompositetubularmembraneswithsmoothandcrack-freestructurewereobtained.Themorphologyofcross-sectionandsurfaceofthecompositetubularmembranewerecharacterizedbySEM.ThestructuresofthesolswereinvestigatedbyXRDandFTIR.TheresultsshowthatsmootherandthickerseparationlayerswithoutparticlecanbesuccessfullyobtainedbyusingmixedsolscontainingPVA.Thecompositetubularmembranesarecomposedofα-Al2O3poroussubstratesassupportedlayerandγ-Al2O3denseseparationlayerontheoutersurface.

作者：

TIAN Yu, LIU Pengchao,MA Jinghong, GONG Jinghua, XU Jian

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2011-10-31 14:26:24

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