Mechanical stability of mesoporous materials, MCM-48 and MCM-41

被引：62

作者：

Tatsumi, T ^{[1
]}

Koyano, KA

Tanaka, Y

Nakata, S

机构：

[1] Yokohama Natl Univ, Div Mat Sci & Chem Engn, Yokohama, Kanagawa 2408501, Japan

[2] Univ Tokyo, Sch Engn, Inst Engn Res, Tokyo 113, Japan

[3] Chiyoda Corp, Kanagawa Ku, Yokohama, Kanagawa 221, Japan

来源：

JOURNAL OF POROUS MATERIALS | 1999年 / 6卷 / 01期

关键词：

mesoporous molecular sieves; MCM-41; MCM-48; mechanical stability; trimethylsilylation;

D O I：

10.1023/A:1009682915127

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The structural collapse of mesoporous molecular sieves, MCM-48 and MCM-41 materials by mechanical compression was found to occur mechanochemically through hydrolysis of Si-O-Si bonds. Their ordered structures were retained by compressing the well-dried samples under dry N-2. Trimethylsilylation of mesoporous materials proved effective in eliminating their instability to compression through enhancing hydrophobicity.

引用

页码：13 / 17

页数：5

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