Propyl- and arene-sulfonic acid functionalized periodic mesoporous organosilicas

被引：88

作者：

Hamoudi, S ^{[1
]}

Royer, S ^{[1
]}

Kaliaguine, S ^{[1
]}

机构：

[1] Univ Laval, Dept Genie Chim, Ste Foy, PQ G1K 7P4, Canada

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2004年 / 71卷 / 1-3期

基金：

加拿大自然科学与工程研究理事会;

关键词：

mesoporous ethane-silica materials; arene-sulfonic acid; propyl-sulfonic acid; functionalization;

D O I：

10.1016/j.micromeso.2004.03.009

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Periodic mesoporous ethane-silica materials were successfully functionalized with arene-sulfonic acid groups via a one-step cocondensation approach using BTME (1,2-bi, (trimethoxysilyl)ethane) and CSPTMS (2-(4-chlorosulfonylphenyl)ethyltrimethoxysilane) as framework precursors. Syntheses were performed under acidic conditions in the presence of block co-polymer pluronic P123 and Brij-56 surfactants. The different materials were compared to their propyl-sulfonic acid homologues in terms of physicochemical properties, acid capacity and proton conductivity. The arene-sulfonic acid functionalized ethane-silica materials exhibited high surface areas (up to 1040 m(2)/g) and pore sizes up to 4.5 nm. Their acid capacity and proton conductivity reached 1.38 meq/g and 1.6 x 10(-2) S/cm, respectively. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：17 / 25

页数：9

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