Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions

Yingxiang Ni; Can Yuan; Shilong Li; Jian Lu; Lei Yan; Wei Gu; Weihong Xing; Wenheng Jing

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Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions

Short Communication | Updated：2026-01-06

- Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions
- Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions
- 中国化学工程学报（英文版） 2023年55卷第3期页码：59-62
- Affiliations：
  
  State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University,Nanjing,China,210009
- Author bio：
- Funds：
- DOI：
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- 纸质出版：2023
- Accepted：
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Yingxiang Ni, Can Yuan, Shilong Li, 等. Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions[J]. 中国化学工程学报（英文版）, 2023,55(3):59-62.

Yingxiang Ni, Can Yuan, Shilong Li, Jian Lu, Lei Yan, Wei Gu, Weihong Xing, Wenheng Jing. Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions[J]. Chinese Journal of Chemical Engineering, 2023, 55(3): 59-62.
Yingxiang Ni, Can Yuan, Shilong Li, 等. Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions[J]. 中国化学工程学报（英文版）, 2023,55(3):59-62. DOI：

Yingxiang Ni, Can Yuan, Shilong Li, Jian Lu, Lei Yan, Wei Gu, Weihong Xing, Wenheng Jing. Temperature-induced hydrophobicity transition of MXene membrane for directly preparing W/O emulsions[J]. Chinese Journal of Chemical Engineering, 2023, 55(3): 59-62. DOI：

摘要

Abstract

Although hydrophilic membranes are desired for reducing resistance to water permeation

hydrophilic surfaces are not used in the water-in-oil (W/O) membrane emulsification process because water spreads on the hydrophilic surface without forming droplets. Here

we report that a hydrophilic ceramic membrane can form a hydrophobic interface in diesel at a higher temperature; interestingly

the experiments show that the contact angle increases when the temperature rises. The hydrophilic membrane surface evolves into a hydrophobic interface

particularly near the boiling point of water

resulting in a water contact angle of 147.5° ±1.2°. This work established a method for preparing W/O monodispersed emulsions by direct emulsification of hydrophilic ceramic membranes at a temperature close to the boiling point of water. Additionally

it made high flux of membrane emulsification of monodispersed W/O emulsions possible

which satisfied the industrial requirements of fluidized catalytic cracking in the petrochemical industry.

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