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Sulfonic acid functionalized mesoporous ZSM-5 (SO 3 H-Meso ZSM-5) were prepared by post-grafting of 3-mercaptopropyltriethoxysilane with various loading in the range of 10–50 wt% followed by oxidation of thiol using H 2 O 2 to generate the corresponding sulfonic acid group.大神帮忙翻译一下 [ Last edited by liwentao2010 on 2014-10-10 at 18:46 ] |
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2楼2014-10-11 00:13:22
xinxin1252
金虫 (小有名气)
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3楼2014-10-11 16:48:19
xinxin1252
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6楼2014-10-11 22:18:05
xinxin1252
金虫 (小有名气)
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a bs t r a c t Sulfonic acid functionalized mesoporous ZSM-5 (SO 3 H-Meso ZSM-5) were prepared by post-grafting of 3-mercaptopropyltriethoxysilane with various loading in the range of 10–50 wt% followed by oxidation of thiol using H 2 O 2 to generate the corresponding sulfonic acid group. Grafting of organic moieties was evidenced by elemental analysis, 29 Si&13 C-NMR and X-ray photoelectron spectroscopy. The SO 3 H-Meso ZSM-5 catalyst with improved acidity and mesoporosity exhibited enhanced catalytic activity in acid-catalyzed liquid-phase reaction of 2 ? -hydroxyacetophenone and benzaldehyde compared with non-functionalized mesoporous ZSM-5 (Meso ZSM-5) and functionalized microporous ZSM-5 (SO 3 H-ZSM-5). Thehigher loading of sulfonic acid functional groups led to higher acidity and consequently resulted in higher yield of products. The catalyst could be reused up to three cycles without significant loss in its catalytic activity这是摘要部分我不知道怎么添加附件就这样发了Sulfonic acid functionalized mesoporous ZSM-5: Synthesis,characterization and catalytic activity in acidic catalysis这是文章的题目发表在Catalysis Today上 |
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8楼2014-10-13 08:19:18
xinxin1252
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9楼2014-10-13 08:59:21