Have a personal or library account? Click to login
Comparative study of copper sulfide hydrophobic textile treatment: hierarchical structures versus nanostructures Cover

Comparative study of copper sulfide hydrophobic textile treatment: hierarchical structures versus nanostructures

Materials Science-Poland
Volume 43 (2025): Issue 1 (March 2025)
By: Cynthia Almeda Torres,  Hortensia Reyes Blas,  Juan Francisco Hernandez Paz,  Imelda Olivas Armendariz,  Alfredo Villanueva Montellano and  Claudia Alejandra Rodriguez Gonzalez  
Open Access
|Mar 2025

Figures & Tables

Figure 1

SEM images of copper (a), copper sulfide hierarchical structures (b), and copper sulfide nanostructures (c).
SEM images of copper (a), copper sulfide hierarchical structures (b), and copper sulfide nanostructures (c).

Figure 2

Photograph of membranes: (a) cotton, (b) cotton@PDMS, (c) hierarchical 1%, (d) hierarchical 2%, (e) hierarchical 4%, (f) nanostructures 1%, (g) nanostructures 2%, and (h) nanostructures 4%.
Photograph of membranes: (a) cotton, (b) cotton@PDMS, (c) hierarchical 1%, (d) hierarchical 2%, (e) hierarchical 4%, (f) nanostructures 1%, (g) nanostructures 2%, and (h) nanostructures 4%.

Figure 3

SEM images of membranes: (a) cotton, (b) cotton@PDMS, (c) hierarchical 1%, (d) nanostructures 1%, (e) hierarchical 2%, (f) nanostructures 2%, (g) hierarchical 4%, and (h) nanostructures 4%.
SEM images of membranes: (a) cotton, (b) cotton@PDMS, (c) hierarchical 1%, (d) nanostructures 1%, (e) hierarchical 2%, (f) nanostructures 2%, (g) hierarchical 4%, and (h) nanostructures 4%.

Figure 4

FTIR spectra of cotton, PDMS@Cotton, and PDMS@Cotton@Cu.
FTIR spectra of cotton, PDMS@Cotton, and PDMS@Cotton@Cu.

Figure 5

XRD characterization of (a) copper, (b) hierarchical CuS, and (c) CuS nanostructures.
XRD characterization of (a) copper, (b) hierarchical CuS, and (c) CuS nanostructures.

Figure 6

Comparison of the contact angle before and after filtration: (a) cotton and cotton@PDMS, (b) hierarchical membranes and nanostructures 1, (c) hierarchical membranes and nanostructures 2, and (d) hierarchical membranes and nanostructures 4.
Comparison of the contact angle before and after filtration: (a) cotton and cotton@PDMS, (b) hierarchical membranes and nanostructures 1, (c) hierarchical membranes and nanostructures 2, and (d) hierarchical membranes and nanostructures 4.

Figure 7

Schematic diagram of water and oil filtration behavior, cotton, cotton@PDMS, hierarchical membranes, and membrane nanostructures.
Schematic diagram of water and oil filtration behavior, cotton, cotton@PDMS, hierarchical membranes, and membrane nanostructures.

Figure 8

Contact angle measurements of membranes at varying pH and copper sulfide concentrations.
Contact angle measurements of membranes at varying pH and copper sulfide concentrations.

Figure 9

Separation efficiency.
Separation efficiency.

Oil absorption on the membrane_

Number of cyclesCottonCotton@PDMSH 1%N 1%H 2%N 2%H 4%N 4%
00.85510.98491.19331.24091.23241.36241.32191.5311
102.03152.98513.27132.90033.30393.43563.5092.9571

Water blocking efficiency_

Number of cyclesCottonCotton@PDMSH 0.12N 0.12H 0.25N 0.25H 0.5N 0.5
1☒✓✓✓✓✓✓✓
2☒✓✓✓✓✓✓✓
3☒✓✓✓✓✓✓✓
4☒✓✓✓✓✓✓✓
5☒☒✓✓✓✓✓✓
6☒☒✓✓✓✓✓✓
7☒☒☒✓☒✓✓✓
8☒☒☒✓☒✓✓✓
9☒☒☒✓☒✓✓✓
10☒☒☒✓☒✓✓✓

Images of water droplets on membranes_

0 s300 s
Cotton
Cotton@PDMS
Hierarchical 1
Hierarchical 2
Hierarchical 4
Nanostructure 1
Nanostructure 2
Nanostructure 4
DOI: https://doi.org/10.2478/msp-2025-0011 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
Journal RSS Feed
Language: English
Page range: 133 - 148
Submitted on: Nov 18, 2024
Accepted on: Apr 11, 2025
Published on: Mar 31, 2025
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Membrane,
Hydrophobicity,
Hierarchical structures,
Copper sulfide nanostructures
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2025 Cynthia Almeda Torres, Hortensia Reyes Blas, Juan Francisco Hernandez Paz, Imelda Olivas Armendariz, Alfredo Villanueva Montellano, Claudia Alejandra Rodriguez Gonzalez, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Previous articleVolume 43 (2025): Issue 1 (March 2025)Next article