Densities and viscosities of binary system containing 1,3-dimethylimidazolium dimethylphosphate and dimethyl sulfoxide or acetonitrile

WANG Xinxin; ZHOU Qing; ZHANG Xiaochun; ZHANG Zhibo; LYU Xingmei; ZHANG Suojiang

doi:10.11949/0438-1157.20191361

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Densities and viscosities of binary system containing 1,3-dimethylimidazolium dimethylphosphate and dimethyl sulfoxide or acetonitrile

Thermodynamics | 更新时间：2026-07-24

- Densities and viscosities of binary system containing 1,3-dimethylimidazolium dimethylphosphate and dimethyl sulfoxide or acetonitrile
- CIESC Journal Vol. 71, Issue 1, Pages: 177-191(2020)
- 作者机构：
  
  1. 中国科学院过程工程研究所离子液体清洁过程北京市重点实验室，北京 100190
  2. 中国科学院大学化学工程学院，北京 100049
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20191361
  CLC： TQ 021.2
- Received：11 November 2019，
  
  Revised：2019-11-21，
  
  Online First：12 August 2020，
  
  Published：05 January 2020
- 稿件说明：
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王薪薪, 周清, 张晓春, 张志博, 吕兴梅, 张锁江. 离子液体[Mmim][DMP]与DMSO/乙腈二元体系的密度和黏度[J]. 化工学报, 2020, 71(1): 177-191

WANG Xinxin, ZHOU Qing, ZHANG Xiaochun, ZHANG Zhibo, LYU Xingmei, ZHANG Suojiang. Densities and viscosities of binary system containing 1,3-dimethylimidazolium dimethylphosphate and dimethyl sulfoxide or acetonitrile[J]. CIESC Journal, 2020, 71(1): 177-191
王薪薪, 周清, 张晓春, 张志博, 吕兴梅, 张锁江. 离子液体[Mmim][DMP]与DMSO/乙腈二元体系的密度和黏度[J]. 化工学报, 2020, 71(1): 177-191 DOI： 10.11949/0438-1157.20191361.

WANG Xinxin, ZHOU Qing, ZHANG Xiaochun, ZHANG Zhibo, LYU Xingmei, ZHANG Suojiang. Densities and viscosities of binary system containing 1,3-dimethylimidazolium dimethylphosphate and dimethyl sulfoxide or acetonitrile[J]. CIESC Journal, 2020, 71(1): 177-191 DOI： 10.11949/0438-1157.20191361.

摘要

离子液体因其特殊的内在结构及性能，使得其在纤维素预处理应用过程中展现出良好的效果，其相关体系的物性研究是推进工业化进程的基础必要数据。因此选用甲基咪唑和磷酸三甲酯合成了离子液体1

3-二甲基咪唑磷酸二甲酯([Mmim

]

[DMP

]

)，并测定了[Mmim

]

[DMP

]

(1) + DMSO (2) 和 [Mmim

]

[DMP

]

(1) + 乙腈 (2) 两个二元体系，在293.15~323.15 K时，全组成范围内的密度和黏度。计算了体积性质和超额性质数据。通过比较分析二元体系的超额摩尔体积(

)、表观摩尔体积(

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848105&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848120&type=

3.13266659

3.21733332

)、无限稀释表观摩尔体积(

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848106&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848128&type=

3.64066648

3.47133350

)和偏摩尔体积(

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848153&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848129&type=

1.77800000

2.70933342

)数据，以及分子模拟手段讨论了离子液体与溶剂之间的作用形式，包括离子液体与溶剂之间形成的氢键对溶液性质的影响。

Abstract

Due to its special structure and properties

ionic liquids have shown good results in the application of cellulose pretreatment. Relevant physical property data is indispensable in promoting the industrialization of ionic liquids. In this study

ionic liquid 1

3-dimethylimidazolium dimethylphosphate ([Mmim

]

[DMP

]

) was synthesized and the densities and viscosities for the binary systems of [Mmim

]

[DMP

]

with dimethylsulfoxide (DMSO) or acetonitrile were measured in the temperature range from (293.15 to 323.15) K over the whole concentration. Then volume properties and excess property data was calculated and fitted. Based on the da

ta of apparent molar volume

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848142&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848130&type=

3.55599999

3.72533321

apparent molar volume at infinite dilution

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848154&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848168&type=

4.06400013

partial molar volume

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848143&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113848131&type=

2.11666679

3.13266659

excess molar volume

and molecular simulation results

the influence of the interaction between IL and solvents and hydrogen bonds formed between IL and DMSO (or acetonitrile) were analyzed.

关键词

Keywords

references

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