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aP4443Gly-H2O两元体系物性测定及CO2吸收性能
Authors
傅莉
商莹
+6 more
张丽
张建敏
徐慧
王振贤
王赞霞
马倩倩
Publication date
1 January 2011
Publisher
Abstract
采用两步法合成了双氨基功能化季鏻类离子液体3-丙胺基-三丁基鏻甘氨酸盐(aP4443Gly)、3-丙氨基-三丁基鏻丙氨酸盐(aP4443Ala)和3-丙氨基-三丁基鏻缬氨酸盐(aP4443Val),研究了aP4443Gly与水构成的两元体系的粘度和电导率的变化.结果表明,在298.15~343.15K温度范围内,随阴离子烷基链增长离子液体粘度增大、电导率减小;随温度升高、含水量增加,aP4443Gly-H2O两元体系的粘度减小、电导率增大.CO2吸收实验表明,添加水后离子液体aP4443Gly对CO2的吸收速率均提高;当水摩尔分数小于0.50时,饱和吸收量增大;当水摩尔分数从0.50增大到0.75时,饱和吸收量减小,说明添加适量水可大幅改善aP4443Gly吸收CO2的行为
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Last time updated on 05/12/2019