沸石悬浮液的制备和在栽体上涂晶种是二次生长法合成沸石膜中的两个关键因素,尤其涂种过程有利于控制膜的厚度和定向生长,引领着二次生长法合成沸石膜技术的发展方向.对二次生长法合成沸石膜过程中常用涂种方法,如浸涂法、直接打磨法、喷涂法、旋转涂膜法、静电吸附法和脉冲激光沉积法进行了详细的评述.另外,也对几个新的涂种方法,如真空法和电泳沉积法进行了简要介绍.
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