Microporous carbons prepared from cationic surfactant-resorcinol/formaldehyde composites

被引:67
作者
Nishiyama, N [1 ]
Zheng, T [1 ]
Yamane, Y [1 ]
Egashira, Y [1 ]
Ueyama, K [1 ]
机构
[1] Osaka Univ, Grad Sch Engn Sci, Div Chem Engn, Toyonaka, Osaka 5608531, Japan
关键词
porous carbon; carbonization; microporosity;
D O I
10.1016/j.carbon.2004.09.009
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Microporous carbons have been synthesized by the carbonization of cationic surfactant-resorcinol/formaldehyde (RF) composites, which were themselves formed by electrostatic organic-organic interaction. The porous structure produced by the decomposition of the surfactant plays an important role for the gasification of the RF polymer at higher temperatures. The pore size of the carbon prepared from tetrapropylammonium bromide (TPAB)-RF, detyltrimethylammonium bromide (C(16)TAB)-RF and decyltrimethylammoniurn bromide (C(10)TAB)-RF mixtures can be estimated as 0.53nm from the Horvath-Kawazoe method using N-2 adsorption isotherms. Their pore size distributions were very narrow, showing that the microporous carbons derived from surfactant-RF mixture may have promise as adsorbents and membrane materials. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:269 / 274
页数:6
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