硅酸盐学报2011,Vol.39Issue(10):1576-1580,5.
以高岭土为原料合成高稳定性介孔分子筛
Synthesis of Stable Mesoporous Molecular Sieve From Kaolin
摘要
Abstract
Mesoporous molecular sieve was hydrothermally synthesized using kaolin and sodium silicate as silicon sources. The sam- pies obtained were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, thermal gravimetric-differential scanning calorimeter, N2 physical adsorption, scanning electron microscopy (SEM) and transmission electron microscopy, respectively. Also, the thermal and hydrothermal stabilities of the sample were evaluated. The result showed that the long-range and ordered mesoporous molecular sieves with the average pore size of 2.75 nm were successfully synthesized. The mesoporous framework was still maintained even after calcination at 900 ℃ for 3 h and hydrothermally treatment at 100 ℃ for 6 d. The resultant mesoporous molecular sieve possessed good thermal and hydrothermal stabilities.关键词
介孔分子筛/高岭土/水热法/稳定性Key words
mesoporous molecular sieve/kaolin/hydrothermal method/stability分类
化学化工引用本文复制引用
姜廷顺,马孝敬,纪美茹,李艳慧,王国伟,赵谦..以高岭土为原料合成高稳定性介孔分子筛[J].硅酸盐学报,2011,39(10):1576-1580,5.基金项目
江苏省高校自然科学基金(09KJDl50002),江苏大学高级人才基金(10JDGll4)资助项目. (09KJDl50002)