摘要
A new method has been developed to prepare sulfated zirconia (S-ZrO2) supported on mesoporous silica. With direct exchange of metal containing precursors for the surfactants in the as-synthesized MCM-41 materials, the problem of fill-up of the mesoporous structure was avoided and high sulfur content was achieved. By using this method, the composite of S-ZrO2/MCM-41 with ZrO2 content higher than 60 wt.% can be easily obtained without serious blockage of the pore structure of MCM-41. Nevertheless, the pore size and pore volume of the resultant S-ZrO2/MCM-41 composites were found to vary markedly with the loading of ZrO2. The strong acidic character of the obtained composites was examined by using them as catalysts in n-butane isomerization. Introduction of other metals such as aluminum as promoter into S-ZrO2/MCM-41 can be easily conducted by the direct impregnation method.
原文 | 英語 |
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頁(從 - 到) | 201-208 |
頁數 | 8 |
期刊 | Microporous and Mesoporous Materials |
卷 | 50 |
發行號 | 2-3 |
DOIs | |
出版狀態 | 已發佈 - 12月 31 2001 |
對外發佈 | 是 |
ASJC Scopus subject areas
- 化學 (全部)
- 材料科學(全部)
- 凝聚態物理學
- 材料力學