PREPARATION OF POROUS AMORPHOUS SILICA FROM WATER GLASS AS RAW-MATERIALS

被引：1

作者：

YATABE, J ^{[1
]}

YAMADA, T ^{[1
]}

MOGI, T ^{[1
]}

YAMADA, S ^{[1
]}

IKAWA, T ^{[1
]}

KAGEYAMA, T ^{[1
]}

机构：

[1] TOSO SANGYOU CO LTD,CHIYODA KU,TOKYO 102,JAPAN

来源：

NIPPON KAGAKU KAISHI | 1993年 / 03期

关键词：

D O I：

10.1246/nikkashi.1993.304

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Amorphous porous silica was prepared from silicic acid and dicarboxylic acid dichlorides. Silicic acid was treated with malonyl dichloride, succinyl dichloride, adipoyl dichloride and sebacoyl dichloride in tetrahydrofuran (THF) at room temperature, and resulting powders were calcined at 450, 600 and 800-degrees-C for 3 h in the furnace under O2 atomsphere. The specific surface area of amorphous porous silica thus obtained could be controlled between 960 and 149 m2/g at 600-degrees-C by chosing the starting dicarboxylic acid dichloride and calcination temperature.

引用

页码：304 / 306

页数：3

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