Dip-coating technique for the manufacture of alumina microfilters using PVA and Na-CMC as binders: a comparative study

被引：15

作者：

Falamaki, C ^{[1
]}

Naimi, M ^{[1
]}

Aghaie, A ^{[1
]}

机构：

[1] Mat & Energy Res Ctr, Dept Ceram, Tehran, Iran

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2006年 / 26卷 / 06期

关键词：

membranes; Al2O3; binders; filters; slip casting;

D O I：

10.1016/j.jeurceramsoc.2004.11.018

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

alpha-Alumina microfiltration flat-membranes have been prepared using the dip-coating procedure. The effect of slip concentration (< 30 wt.%), coating time and binder type (PVA and Na-CMC) on the thickness, porosity, roughness and effective pore diameter of the membrane layers has been investigated. A new method for the characterization of the membrane layer based on gas permeation has been presented and the pertaining equations derived. The method is applicable if permeability measurements embrace both Knudsen and Poiseuille flow regimes. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：949 / 956

页数：8

共 2 条

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[2] A comparative study of structural, surface morphology and optical properties of Na and Mg codoped ZnO nanocrystalline thin films prepared using sol-gel spin coating technique
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