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FUNCTIONAL PROPERTIES OF COTTON FABRICS TREATED WITH COLLOIDAL DISPERSIONS BASED ON TIO2: N AND SIO2 NANOPARTICLES

Denisa-Maria Radulescu

First published: 2019-06-20https://doi.org/10.5593/sgem2019/6.1/s24.024View metrics

Abstract

This study aims to investigate the functionalization by pad-dry-cure method of 100% cotton fabrics with colloidal dispersions based on TiO2:N and SiO2 nanoparticles (NPs) in different molar ratios (1:0.5, 1:1, 1:1.5 and 1:2). For the preparation of colloidal dispersions the chitosan was used as stabilizing agent. Self-cleaning performance of the functionalized samples was qualitatively assessed based on Methylene Blue and Brilliant Green stain removal ability under UV radiation. Stain photodegradation efficiency was performed by measuring the color difference of the irradiated samples in comparison with the non-irradiated samples. The treatments durability of the functionalized samples was qualitatively assessed by determining the photocatalytic activity after being subjected to 1 and 5 washing cycles and 1000 abrasion cycles, respectively. Also, scanning electron microscopy was employed to investigate the distribution of TiO2:N-SiO2 mixtures on the surface of cotton fabrics before and after washing and abrasion cycles. Rutherford backscattering spectrometry was performed in order to evaluate the stoichiometry and the thickness of the deposited photocatalytic layer. Coated fabrics were also analyzed from ultraviolet protection properties point of view.

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Publication details

Title
FUNCTIONAL PROPERTIES OF COTTON FABRICS TREATED WITH COLLOIDAL DISPERSIONS BASED ON TIO2: N AND SIO2 NANOPARTICLES
Authors
Denisa-Maria Radulescu
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Nano, Bio, Green and Space: Technologies for Sustainable Future
Publisher
STEF92 Technology
Year
2019
Pages
183-190
SWS Citekey
Radulescu201924183190
ISSN
1314-2704
ISBN
978-619-7408-88-1
Language
en
Publication type
Conference Paper
Keywords
TiO2: NSiO2cotton fabricself-cleaningUV protection
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