Solubility of disperse anthraquinone and azo dyes in supercritical carbon dioxide at 313.15 to 393.15 K and from 10 to 25 MPa

被引：68
|
作者：
Joung, SN [1 ]
Yoo, KP [1 ]
机构：
[1] Sogang Univ, Dept Chem Engn, Seoul, South Korea
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 1998年 / 43卷 / 01期
关键词：
D O I：
10.1021/je9701285
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubility of disperse dyes in supercritical CO2 was me. jured for three anthraquinone dyes (i.e., Celliton fast blue B, 1-amino-2-methylanthraquinone, and 1-(methylamino)anthraquinone) and two azo dyes (i.e., disperse red 1 and 4-[4-(phenylazo)phenylazo]-o-cresol). Measurement was carried out at 313.15 K, 353.15 K, and 393.15 K and (10, 15, 20, and 25) MPa in an autoclave-type phase equilibrium apparatus. The data were modeled by a semiempirical correlation. For all the dyes, the solubility increased with increasing density of supercritical CO2. The anthraquinone dyes show higher solubility than the azo dyes.
引用
收藏
页码：9 / 12
页数：4
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