CS2.5H0.5PW12O40 bonded to an amine functionalized SiO2 as an excellent water-tolerant solid acid

被引：12
|
作者：
Horita, N
Yoshimune, M
Kamiya, Y
Okuhara, T [1 ]
机构：
[1] Hokkaido Univ, Grad Sch Environm Sci, Sapporo, Hokkaido 0600810, Japan
[2] Natl Inst Adv Ind Sci & Technol, Res Inst Innovat Sustainable Chem, Tsukuba, Ibaraki 3058565, Japan
来源：
CHEMISTRY LETTERS | 2005年 / 34卷 / 10期
关键词：
D O I：
10.1246/cl.2005.1376
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Unlike Cs2.5H0.5PW12O40, Cs2.5H0.5PW12O40-SiO2 composites combined using (3-aminopropyl)triethoxysilane are entirely insoluble and well sedimentable in reaction mixtures that contain a large excess of water. The catalytic activities for the hydration of olefin and hydrolysis of ester in the presence of excess water were comparable to those Of Cs2.5H0.5PW12O40 and were much higher than those of typical water-tolerant solid acids, such as H-ZSM-5 and Nb2O5.
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收藏
页码：1376 / 1377
页数：2
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