γ-Al2O3无机膜热稳定性的研究

膜科学与技术 , 2001, 21(6): 40-44. doi: 10.3969/j.issn.1007-8924.2001.06.009

γ-Al2O3无机膜热稳定性的研究

陈天蛋 ^1, , 陈航榕 ^2, , 汪霖 ^3, , 施剑林 ^4,

1.中国科学院上海硅酸盐研究所,

2.中国科学院上海硅酸盐研究所,

3.中国科学院上海硅酸盐研究所,

4.中国科学院上海硅酸盐研究所,

基金项目: 国家自然科学基金(59882027)

关键词：氧化铝无机膜 , 热稳定性 , 微观结构

Study of the improvement of thermal stability of γ -Al2O3 inorganic membranes

对氧化铝无机膜热稳定性的改性进行了讨论和分析.结合笔者工作,综述了通过合适的阳离子掺杂提高氧化铝无机膜热稳定性的研究现状,介绍了La、Si、B、PVA和Li、Na等碱金属对膜在高温下的微观结构(包括比表面积、孔径和孔径分布等)的影响.

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