Physicochemical Properties of Polyether-Modified Fluorosilicone Surfactants in Ethanol/Water Mixed Solutions
Source abstract
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, 1 H NMR, and 13 C 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.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Environmental Chemistry and Analysis · Surfactants and Colloidal Systems · Adsorption, diffusion, and thermodynamic properties of materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemical Engineering and Technology
Taiyuan University of Science and Technology
Funding
National Natural Science Foundation of China · Taiyuan University of Science and Technology Scientific Initial Funding · Fundamental Research Program of Shanxi Province · Shanxi Province Graduate Student Research Practice and Innovation Program
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