Durable surface functionalisation and pigment coloration of cellulosic fabrics using bioactive additives / Nabil A. Ibrahim in COLORATION TECHNOLOGY, Vol. 137, N° 6 (12/2021)  

[article]  inCOLORATION TECHNOLOGY > Vol. 137, N° 6 (12/2021) . - p. 645-657 Titre : Durable surface functionalisation and pigment coloration of cellulosic fabrics using bioactive additives Type de document : texte imprimé Auteurs : Nabil A. Ibrahim, Auteur ; Enas M. R. El-Zairy, Auteur ; Basma M. Eid, Auteur ; Shimaa S. Abd Allah, Auteur Année de publication : 2021 Article en page(s) : p. 645-657 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Additifs Additifs anti rayonnement ultraviolet Additifs biosourcés Aloe vera et constituants Antibactériens Arganier et constituants Caractérisation Fibres cellulosiques Gingembre et constituants Jojoba et constituants Neem et constituants Pigments Résistance au lavage Surfaces fonctionnelles Teinture -- Fibres textiles synthétiques Index. décimale : 667.3 Teinture et impression des tissus Résumé : The main goal of this study is to develop a facile eco-friendly method for antibacterial/ultraviolet (UV)-blocking functionalisation using various green bioactive functional additives namely neem, jojoba, argan, aloe vera, ginger, and tulsi. In addition, pigment coloration of cellulosic substrates including cotton, viscose, cotton/viscose, and cotton/linen using pigment colourants and appropriate printing auxiliaries in one step was used. The experimental results revealed that the durability, improvement in the imparted antibacterial/UV-blocking functional properties and enhancement in the depth of the obtained pigment prints followed a decreasing order: tulsi > ginger > aloe vera > argan > jojoba > neem ≫ none, keeping other parameters constant. The obtained data also demonstrated that the developed pigment prints exhibited remarkable functionalities and depth of shade after 15 washing cycles. Moreover, it was observed that improvement in the imparted functional and coloration properties were a function of types of cellulosic substrate and the kind of colourant. Scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX) analysis for selected samples confirmed the surface modification, morphology changes and immobilisation of the used active ingredients onto the treated substrates. Note de contenu : - EXPERIMENTAL : Materials - Methods - RESULTS AND DISCUSSION : Type and concentration of the natural functional additive - Effect of natural additive type and kind of cellulosic blend - Type of pigment colourant - Durability to wash - Characterisation DOI : https://doi.org/10.1111/cote.12555 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12555 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36794 [article]

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