End-to-End surface manipulation of dyed silk for perfection of coloration, UV-resistance and biocidal performance

• Published in: Journal of molecular structure 2024-06, Vol.1305, p.137766, Article 137766
• Main Authors: Ahmed, Hanan B., El-Hawary, Nancy S., Mashaly, Hamada M., Emam, Hossam E.
• Format: Article
• Language: English
• Subjects: Biocidal performance; Color fastness; Silk; Surface manipulation; UV-resistance
• ISSN: 0022-2860; 1872-8014
• DOI: 10.1016/j.molstruc.2024.137766

•Surface manipulation of dyed silk fabrics with either silver or palladium.•Ag and Pd acted as mordant and functionalizing agents of dyed fabrics.•In absence of mordant, color fastness were graded as very good-outstanding.•In absence of mordant, dyed sample immobilized with Pd exhibited UPF of 33.1.•Microbial reduction % was in the range of excellence (94.13–98.27 %). Nowadays, manufacturing of technical textiles has acquired great interest, as many attempts were performed for acquiring different textile materials new functions. In the demonstrated contribution, surface manipulation of dyed silk fabrics was performed with either silver or palladium as substituents of mordant and to acquire the prepared samples UV-resistance and biocidal actions. The current study reveals that, surface manipulated dyed samples were exhibited with the best color strength, color fastness, biocidal performance and UV-resistance. Color fastness (washing, perspiration and light fastness) of the surface manipulated dyed samples was rated as very good-outstanding. Excellent UV-blocking potency (UPF, 33.1 and UVB blocking percent 97.3 %) was achieved for the dyed silk that was prepared with palladium. Biocidal performance against E. coli, S. aureus and Candida albicans was examined for surface manipulated dyed samples, and the reduction % was also graded to be in range of very good to excellent (94.13–98.27 %). [Display omitted]