Physicochemical Properties of Polyether-Modified Fluorosilicone Surfactants in Ethanol/Water Mixed Solutions

IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-04-27 DOI:10.1021/acs.langmuir.5c01000

Yan Wang, Jiangxun Dou, Qingyuan Bian, Lifei Zhi, Zhiwang Han, Guoyong Wang

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Abstract

A series of polyether-modified fluorosilicone surfactants (FSiPEs) with different numbers of trifluoropropyl groups were synthesized in this paper, aiming to explore the constitutive law of pendant trifluoropropyl groups. The chemical compositions of the synthesized surfactants were characterized by FT-IR, ¹H NMR, and ¹³C NMR. The physicochemical properties of the FSiPEs in aqueous and 75% ethanol solutions were systematically evaluated by transmission electron microscopy and equilibrium/dynamic surface tension, dynamic contact angle, foam scanning, and dynamic light scattering tests. The FSiPEs showed high surface activity in aqueous (γ_CAC = 28.86 mN/m) and 75% ethanol solutions (γ_CAC = 21.33 mN/m) along with excellent foaming properties and foam stability. Moreover, the FSiPEs showed good wetting properties on low-energy surfaces and could spontaneously assemble into vesicles in aqueous solution. The results of this study could guide future research on enhancing the scope of the applicability of trifluoropropyl-enhanced fluorosilicone surfactants.

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聚醚改性氟硅表面活性剂在乙醇/水混合溶液中的物理化学性质

本文合成了一系列具有不同数目的三氟丙基的聚醚改性氟硅表面活性剂（FSiPEs），旨在探索悬垂三氟丙基的本构规律。通过FT-IR、1H NMR和13C NMR表征了所合成表面活性剂的化学成分。通过透射电子显微镜、平衡/动态表面张力、动态接触角、泡沫扫描和动态光散射测试，系统地评价了FSiPEs在水溶液和75%乙醇溶液中的物理化学性质。FSiPEs在水溶液（γCAC = 28.86 mN/m）和75%乙醇溶液（γCAC = 21.33 mN/m）中表现出较高的表面活性，具有良好的发泡性能和泡沫稳定性。此外，fsipe在低能表面表现出良好的润湿性能，并能在水溶液中自发组装成囊泡。本研究结果可指导今后扩大三氟丙基增强氟硅表面活性剂的适用范围的研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).