Preparation and Catalytic Activity of Porous Alumina by the Sol-Gel Process in the Presence of Saccharides

被引：2

作者：

Hashidzume, Akihito ^{[1
]}

Fujimoto, Taku ^{[1
]}

Masaoka, Makoto ^{[1
]}

Sanada, Yusuke ^{[1
]}

Sato, Takahiro ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Sci, Dept Macromol Sci, Toyonaka, Osaka 5600043, Japan

来源：

KOBUNSHI RONBUNSHU | 2010年 / 67卷 / 05期

关键词：

Porous Alumina; Sol-Gel Process; Saccharides; Crystallinity; Porosity; Formose Reaction; MESOPOROUS ALUMINA; TEMPLATE;

D O I：

10.1295/koron.67.312

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Porous alumina samples were prepared by the sol-gel process using aluminum tri-sec-butoxide in the presence of D-(+)-glucose, D-(-)-ribose, or sucrose. The crystallinity and porosity of the alumina samples obtained were controlled by changing the amount of the sugar added and the calcination temperature. The less crystalline alumina samples exhibited a higher ability of sugar adsorption and a higher catalytic activity for the formose reaction. These observations indicate that lattice defects act as strong base sites.

引用

页码：312 / 317

页数：6

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