b-轴取向MFI型分子筛膜制备工艺  

Preparation Process Exploration of b-Oriented MFI Zeolite Films

作　　者：郎林[1] 张超[1,2] 阴秀丽[1] 吴创之[1] 

机构地区：[1]中国科学院广州能源研究所中国科学院可再生能源与天然气水合物重点实验室,广州510640 [2]中国科学院研究生院,北京100049

出　　处：《化学进展》2011年第5期1022-1032,共11页Progress in Chemistry

基　　金：广东省自然科学基金重点项目(No.10251007006000000);广东省自然科学基金自由申请项目(No.9151007006000003)资助

摘　　要：b-轴取向MFI型分子筛膜是一种具有特殊纳米孔道结构的硅铝分子筛膜,在膜分离、膜反应器、化学传感器等领域有着广泛的应用前景,受到国内外学者的普遍关注。本文综述了b-轴取向MFI型分子筛膜制备工艺方面的研究进展,详细介绍了原位水热合成法和二次生长法制备工艺;重点总结和评价了近年来在载体表面修饰、b-轴取向分子筛晶种层制备和水热合成条件调控等方面的最新研究成果。在深入分析了各种取向分子筛膜制备方法优缺点的基础上,对b-轴取向MFI型分子筛膜制备工艺的发展趋势进行了展望。Due to its unique nanometer-sized straight channel structure,the b-oriented MFI zeolite films have great potential in separation membranes,membrane reactors,and chemical sensors.Thus,there has been growing interest in the preparation of zeolite films with preferred b-orientation.Recent advances in the preparation process of b-oriented MFI zeolite films are reviewed in this paper.The methods of in situ hydrothermal synthesis and secondary growth are further described in detail.In particular,it is summarized and evaluated for the very recent research results in the modification of the substrate surface,the preparation of b-oriented MFI zeolite arrays,and the regulation of hydrothermal synthesis conditions.Based on the extensive discussion of the merits and demerits of various preparation methods,the trends in the manufacture of b-oriented zeolite films are prospected.

关 键 词：MFI 型分子筛膜 b-轴取向 原位水热合成 二次生长 

分 类 号：TB43[一般工业技术] O611.4[理学—无机化学]