新型中孔氧化硅柱层状锰钛酸的合成  

Synthesis of a Novel Mesoporous Silica-Pillared Layered Manganese Titanate

作　　者：陈新[1] 王海 侯文华[1] 颜其洁[1] 

机构地区：[1]南京大学化学化工学院介观材料科学实验室,南京210093

出　　处：《无机化学学报》2002年第6期550-553,共4页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金资助项目(No.29903005); 南京大学现代分析中心测试基金资助项目。

摘　　要：Mixtures of H2Ti ￡2￡(r)￡?Mn ￡°￡(r)￡2O￡*￡?CH￡3￡¨CH￡2 ￡(c)9NH2 ,and Si (OC2H5￡(c)4 at molar ratios of 1∶2∶20resulted in swollen and viscous gel once at room temperature,allowing the intercalation com pound in which CH￡3￡¨CH￡2￡(c)￡1 NH￡2and Si ￡¨OC￡2H￡μ￡(c)4were simultaneously intercalated i nto interlayers of H￡2Ti ￡2￡(r)￡?Mn ￡°￡(r)￡2O￡* ￡(r)The subsequent hydrolysis of the obtained intercalation compound in pure water solution for 30min at room temperature led to the formation of a new layered H￡2 Ti ￡2￡(r)8Mn 0￡(r)2O7 sample with an interlayer spacing of￡3￡(r)￡?￡μnm￡(r)Calcination of this sample i n air at ￡μ￡°￡°??gave rise to a novel mesoporous￡¨d￡1/2￡3￡(r)￡3nm￡(c)silica-pillared layered H￡2Ti ￡2￡(r)￡?Mn ￡°￡(r)2O7 with a large BET specific area of624m2·g -1 and a super￡-gallery height of ￡3￡(r)￡2￡′nm￡(r)Mixtures of H2Ti ￡2￡(r)￡?Mn ￡°￡(r)￡2O￡*￡?CH￡3￡¨CH￡2 ￡(c)9NH2 ,and Si (OC2H5￡(c)4 at molar ratios of 1∶2∶20resulted in swollen and viscous gel once at room temperature,allowing the intercalation com pound in which CH￡3￡¨CH￡2￡(c)￡1 NH￡2and Si ￡¨OC￡2H￡μ￡(c)4were simultaneously intercalated i nto interlayers of H￡2Ti ￡2￡(r)￡?Mn ￡°￡(r)￡2O￡* ￡(r)The subsequent hydrolysis of the obtained intercalation compound in pure water solution for 30min at room temperature led to the formation of a new layered H￡2 Ti ￡2￡(r)8Mn 0￡(r)2O7 sample with an interlayer spacing of￡3￡(r)￡?￡μnm￡(r)Calcination of this sample i n air at ￡μ￡°￡°??gave rise to a novel mesoporous￡¨d￡1/2￡3￡(r)￡3nm￡(c)silica-pillared layered H￡2Ti ￡2￡(r)￡?Mn ￡°￡(r)2O7 with a large BET specific area of624m2·g -1 and a super￡-gallery height of ￡3￡(r)￡2￡′nm￡(r)

关 键 词：中孔氧化硅柱层状锰钛酸 合成 层状材料 中孔材料 

分 类 号：TB383[一般工业技术—材料科学与工程]