2025, Session I – Textile and textile tehnologies, pp. 143-149
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Bojenje pamuka bifunkcionalnom reaktivnom bojom u morskoj vodi
Dyeing cotton with bifunctional reactive dye in sea water
Abstract
Tradicionalno bojenje tekstila zahteva upotrebu velike količine slatke vode, koja u kombinaciji sa upotrebom velikih količina soli i pomoc'nih sredstava doprinosi značajnom zagađenju životne sredine. Korišc'enje morske vode kao medijuma za bojenje tekstila predstavlja inovativan i ekološki prihvatljiv pristup koji se bavi izazovima povezanih sa konvencionalnim slatkovodnim metodama bojama. Primarna prednost upotrebe morske vode za bojenje tekstila je njena velika dostupnost i sadržaj velikih& količina NaCl. U ovom radu ispitana je moguc'nost bojenja pamuka reaktivnom bifunkcionalnom bojom Bezaktiv red S-3B150% u morskoj vodi na osnovu komparativne analize sa rezultatima bojenja u destilovanoj vodi. U radu je korišc'ena simulirana i prava morska voda. Bojenje je izvedeno sa 1% i 3% boje. Bojenje u kupatilu sa morskom vodom izvedeno je bez dodatka NaCl ili sa 38% (tamni ton) i 50% (svetli ton) smanjenom količinom NaCl koja se dodaje u kupatilu sa destilovanom vodom. Rezultati dobijeni refleksionom spektrofotometrijom ukazuju da je moguc'e bojiti pamučnu tkaninu izabranom reaktivnom bojom u svetloj nijansi u morskoj vodi jer je intenzitet boje (K/S) približno isti kao intezitet boje postignut destilovanom vodom. I bojenje u tamnoj nijansi pokazuje praktični potencijal jer je intezitet boje bio manji za 30%, i moguc'e je daljim poboljšanjem procesa (npr. filtriranjem vode) postic'i bolje rezultate.
Sažetak
Traditional dyeing of textiles requires the use of a large amount of fresh water, which in combination with the use of large amounts of salt and auxiliaries contributes to significant environmental pollution. Using sea water as a textile dyeing medium is an innovative and environmentally friendly approach that addresses the challenges associated with conventional fresh water dyeing methods. The primary advantage of using sea water for textile dyeing is its high availability and high NaCl content. In this work the possibility of dyeing cotton with reactive bifunctional dye Bezaktiv red S-3B150% in sea water was examined based on a comparative analysis with the results of dyeing in distilled water. Simulated and real sea water were used in the work. Dyeing was performed with 1% and 3% dye. Dyeing in a sea water bath was performed without the addition of NaCl or with a 38% (dark tone) and 50% (light tone) reduced amount of NaCl added to a distilled water bath. The results obtained by reflection spectrophotometry indicate that it is possible to dye cotton fabric with the selected reactive dye in a light shade in sea water because the color intensity (K/S) is approximately the same as the color intensity achieved with distilled water. And dyeing in a dark shade shows practical potential because the intensity of the color was lower by 30%, and it is possible to achieve better results by further improving the process (e.g. filtering water).
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