Washing Durability and Photo-Stability of NanoTiO2-SiO2 Coatings Exhausted onto Cotton and Cotton/Polyester Fabrics
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. TiO2-SiO2 Application Procedure
2.3. Washing Procedure
2.4. UV Irradiation
2.5. Characterization Methods
2.5.1. Analysis of Colloidal Dispersion
2.5.2. Analysis of TiO2-SiO2 Coated Fabrics
3. Results and Discussion
3.1. Colloidal Dispersion Analysis
3.2. Washing Durability and UV Photo-Stability of Nano-Modified Textiles
- examination of surface morphology by means of SEM;
- investigation of optical properties by measuring the fabrics’ UV transmittance and UV/Vis reflectance, followed by the calculation of the ultraviolet protection factor (UPF), CIE whiteness degree and yellowness index, respectively, and
- identification of molecular vibrations through recording the infrared transmission absorbance by FTIR spectroscopy.
3.2.1. Fabric Surface Morphology
3.2.2. Diffuse Reflectance Spectra (DRS)
3.2.3. ATR-FTIR Spectroscopy
3.2.4. CIE Whiteness and Yellowness Index
3.2.5. UPF Measurement
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
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Ojstršek, A.; Fakin, D. Washing Durability and Photo-Stability of NanoTiO2-SiO2 Coatings Exhausted onto Cotton and Cotton/Polyester Fabrics. Coatings 2019, 9, 545. https://doi.org/10.3390/coatings9090545
Ojstršek A, Fakin D. Washing Durability and Photo-Stability of NanoTiO2-SiO2 Coatings Exhausted onto Cotton and Cotton/Polyester Fabrics. Coatings. 2019; 9(9):545. https://doi.org/10.3390/coatings9090545
Chicago/Turabian StyleOjstršek, Alenka, and Darinka Fakin. 2019. "Washing Durability and Photo-Stability of NanoTiO2-SiO2 Coatings Exhausted onto Cotton and Cotton/Polyester Fabrics" Coatings 9, no. 9: 545. https://doi.org/10.3390/coatings9090545