【摘要】 立方相MCM-48中孔分子筛在吸附、催化、分离、制备先进性材料等领域具有潜在的应用,但是和微孔分子筛相比,它的稳定性却不够高,也正是这一缺点大大限制了它的应用。综述了近年来提出的各种提高MCM-48中孔分子筛稳定性的方法,分析了各种方法的机理和特点,并指出该研究领域的发展趋势。更多还原

【Abstract】 The cubic MCM-48 with 3d pore system has potential application in adsorption,catalysis,separation and preparation of advanced materials and molecular devices.However,its stability is relatively low compared with microporous molecular sieves,which has strong negative effects on its application.The achievements in improving the stability of MCM-48 in recent years,the mechanism and characteristics of the methods are reviewed in this paper,and the development direction of improvement is also previewed.更多还原