Deposition of Phosphate Nanoparticles onto Textile Fabrics via Sol-gel Method and Their Kinetics Desorption Studies
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doi: 10.1007/s40242-020-0045-y
Article
Deposition of Phosphate Nanoparticles onto Textile Fabrics via Sol-gel Method and Their Kinetics Desorption Studies Mohamed El MESSOUDI1,2,3, Aicha BOUKHRISS1, Laila SADALLAH2, Laila SAJID4,5, M’hamed El KOUALI3 and Said GMOUH2* 1. Laboratory REMTEX, ESITH, Higher School of Textile and Clothing Industries(ESITH), Km8, Route d’EL JADIDA, Casablanca, Morocco; 2. Laboratory LIMAT, Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, B.P 5366 Maarif, Casablanca, Morocco; 3. Laboratory LCAPCM, Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, B.P 5366 Maarif, Casablanca, Morocco; 4. Laboratory L3GIE, Mohammadia School of Engineers, Mohammad V University, BP. 765 Av. Ibn Sina, Agdal, Rabat, Morocco; 5. Laboratory LEC, Higher School of Textile and Clothing Industries(ESITH), Km 8, Route d’EL JADIDA, Casablanca, Morocco Abstract In this paper, phosphate nanoparticles were coated on cotton(CO) and polyester(PES) textile surfaces by sol-gel method using tetraethylorthosilicate(TEOS) and chloropropyltriethoxysilane(CPTS) as silica precursors. The deposited nanoparticles were observed with scanning electronic microscopy energy-dispersive X-ray spectroscopy (SEM-EDX). The release kinetics of phosphorus(P) from these textiles into the aqueous medium(Aq), acid(Ac), and basic(Ba) artificial sweats were then studied. The released amount of phosphorus was evaluated by the inductively coupled plasma(ICP) according to ISO NF EN 16711-2 procedure. The results revealed that the release of P into the aqueous medium is lower than in the artificial sweat. The kinetics data[the phosphorus desorption amount(mg/g) as a function of time] were modeled according to five models: the first order, the second order, the third order, simple Elovich and parabolic diffusion. The suitable model was chosen based on the coefficient of determination( R2) and the calculation of the sum of the absolute errors(EABS), which describes the error between the theoretical and experimental values. SEM observations were also carried out on the fabrics after desorption in order to show the impact of desorption on their morphology. Furthermore, the impact of P release on the tensile strength of CO and PES fabrics was investigated using a uniaxial tensile test. The thermal stability of all samples before and after desorption was a ssessed by thermogravimetric analysis(ATG). Keywords Sol-gel; Coating; Kinetic; Desorption; Phosphate nanoparticle
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Introduction
Cotton(CO) and polyester(PES) are the most important fabrics used and applied in the textile industry. They are used for the development of technical textiles by modifying their surfaces. This modification can be achieved by various methods, namely: microencapsulation, plasma-enhanced chemical vapor deposition, spray coating, and the sol-gel. The latter method has attracted more attention due to its numerous advantages particularly: the simplicity of synthesis, which requires only two steps: hydrolysis and condensation. The functionalization
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