Synthesis and characterization of new catalysts formed by direct incorporation of heteropolyacids into organized mesoporous silica
作者： J. Toufaily , M. Soulard , J.-L. Guth , J. Patarin , L. Delmote
DOI: 10.1016/J.COLSURFA.2007.09.015
关键词:
摘要: Abstract The direct incorporation of Keggin-type heteropolyacid H 3 PW 12 O 40 (PW) in a mesoporous organized silica molecular sieve during the synthesis was studied. silica-organized materials containing carried out acidic media either by associating non-ionic/cationic surfactants or just non-ionic surfactant. decomposition temperature solids and prepared with TX100/CTMA, Tergitol 15-S-12 Tween 60 starts at 130, 115 135 °C, respectively. BET surface area these is measured to be 892, 735 787 m 2 /g, Their pore diameters are equal 31, 24 34 A,
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