Preparation and characterization of electrostatic-assisted porous liquid

Lisha SHENG; Zhenqian CHEN

doi:10.11949/j.issn.0438-1157.20181183

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Preparation and characterization of electrostatic-assisted porous liquid

Material science and engineering\, nanotechnology | 更新时间：2026-07-24

- Preparation and characterization of electrostatic-assisted porous liquid
- CIESC Journal Vol. 70, Issue 3, Pages: 1163-1170(2019)
- 作者机构：
  
  1.东南大学能源与环境学院，江苏南京 210096
  2.江苏省太阳能技术重点实验室，江苏南京 210096
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181183
  CLC： TB 383
- Received：11 October 2018，
  
  Revised：2018-11-29，
  
  Online First：24 July 2026，
  
  Published：05 March 2019
- 稿件说明：
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生丽莎, 陈振乾. 静电辅助多孔液体的制备及特性研究[J]. 化工学报, 2019, 70(3): 1163-1170

SHENG Lisha, CHEN Zhenqian. Preparation and characterization of electrostatic-assisted porous liquid[J]. CIESC Journal, 2019, 70(3): 1163-1170
生丽莎, 陈振乾. 静电辅助多孔液体的制备及特性研究[J]. 化工学报, 2019, 70(3): 1163-1170 DOI： 10.11949/j.issn.0438-1157.20181183.

SHENG Lisha, CHEN Zhenqian. Preparation and characterization of electrostatic-assisted porous liquid[J]. CIESC Journal, 2019, 70(3): 1163-1170 DOI： 10.11949/j.issn.0438-1157.20181183.

摘要

以硬模法制备的纳米中空SiO

颗粒为腔洞结构，利用聚合咪唑阳离子与SiO

的静电作用使SiO

颗粒表面带正电荷，在外表面冠以磺化聚乙二醇赋予中空SiO

颗粒流动性，制备得到静电辅助的中空二氧化硅多孔液体。性能表征表明多孔液体具有大小约为10 nm的孔径均一的球形腔洞，多孔液体的中空SiO

含量约为13%(质量)，室温条件下多孔液体的黏度为2.25 Pa·s，表现出良好的流动性。模拟结果得到聚合咪唑阳离子与中空SiO

的吸附能为279.55 kJ/mol，证实聚合咪唑阳离子可以紧密黏附在中空SiO

表面。采用的静电辅助表面修饰的方法为设计与制备多孔液体提供了一条新思路。

Abstract

Electrostatic-assisted hollow silica porous liquid was here obtained. First

nano-hollow SiO

particles were prepared by hard template

which took the role of pore structures of porous liquid. Then the surface of SiO

particles was positively charged by the electrostatic action of the polymeric imidazolium cation. Finally

sulfonated polyethylene glycol was added on the surface of hollow SiO

particles to obtain the fluidity. As the characterizations of properties revealed

porous liquid had a spherical cavity with a uniform pore size of about 10 nm and the content of hollow SiO

in porous liquid was about 13% by mass. Porous liquid had a viscosity of 2.25 Pa·s at room temperature

which revealed a good fluidity. Simulation results showed that the physisorption energy of the most stable optimized structure was 279.55 kJ/mol

which indicated a strong interaction between hollow SiO

and polymeric imidazolium cation. The method of electrostatically assisted surface modification provides a new idea for designing and preparing porous liquids.

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references

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