Funct. Mater. 2022; 29 (4): 537-545.

doi:https://doi.org/10.15407/fm29.04.537

Impact of the acetone/DMSO binary solvent on porosity of epoxy polymer films

A.Dunaieva1, D.Mishurov1, S.Dukarov2, A.Roshal2

1National Technical University "Kharkiv Polytechnic Institute", 2 Kyrpychova Str., 61002 Kharkiv, Ukraine
2Institute of Chemistry, V.N.Karazin Kharkiv National University, 4 Svoboda Sq., 61022 Kharkiv, Ukraine

Abstract: 

Effect of mixed acetone/dimethyl sulfoxide solvent composition on morphology of porous epoxy polymer films obtained by chemical solution deposition method was studied. Total and surface porosity of the polymer films as well as the size of open pores were determined using FTIR spectroscopy and SEM techniques. It was revealed that the choice of the solvent composition is a key factor affecting the porosity of the polymer films. It was shown how varying the composition of the binary acetone/dimethyl sulfoxide solvent in a wide range of concentrations affects the rheology and characteristics of the porous polymer films. The obtained results allow to influence both the overall porosity of the polymer films and the size of the formed pores.

Keywords: 
porosity, epoxy polymer, mixed acetone/DMSO solvent, thermodynamic affinity, polymer film.
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