Carbon dioxide solubility in polymerized ionic liquids containing ammonium and imidazolium cations from magnetic suspension balance:: P[VBTMA][BF4] and P[VBMI][BF4]

被引：49

作者：

Blasig, Andre ^{[1
]}

Tang, Jianbin ^{[1
]}

Hu, Xudong ^{[1
]}

Tan, Sugata P. ^{[1
]}

Shen, Youqing ^{[1
]}

Radosz, Maciej ^{[1
]}

机构：

[1] Univ Wyoming, Dept Chem & Petr Engn, Soft Mat Lab, Laramie, WY 82071 USA

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2007年 / 46卷 / 17期

关键词：

D O I：

10.1021/ie0616545

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Based on sorption experiments up to 180 bar and 75 degrees C, the CO2 solubility in an ammonium-type ionic polymer, such as poly(p-vinylbenzyltrimethyl ammonium tetrafluoroborate), is found to be much higher than that in an imidazolium-type ionic polymer, such as poly(1-(p-vinylbenzyl)-3-methyl-imidazolium tetrafluoroborate), which points to a cation-type effect on the CO2 sorption in polymerized ionic liquids. These two polymers remain glassy in the temperature and pressure ranges studied in this work. The CO2 solubility increases with decreasing temperature and with increasing pressure, but it reaches a limiting value, beyond which it is insensitive to pressure.

引用

页码：5542 / 5547

页数：6

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