Synthesis, stability and printing properties of a novel 2-sulphophenoxy-4-chloro-s-triazine reactive dye for ink-jet printing of wool / Saira Faisal in COLORATION TECHNOLOGY, Vol. 136, N° 2 (04/2020)

[article]  inCOLORATION TECHNOLOGY > Vol. 136, N° 2 (04/2020) . - p. 153-166 Titre : Synthesis, stability and printing properties of a novel 2-sulphophenoxy-4-chloro-s-triazine reactive dye for ink-jet printing of wool Type de document : texte imprimé Auteurs : Saira Faisal, Auteur ; Long Lin, Auteur ; Matthew Clark, Auteur Année de publication : 2020 Article en page(s) : p. 153-166 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caractérisation Colorants -- Synthèse Colorants réactifs Electrophorèse capillaire Encre Fourier, Spectroscopie infrarouge à transformée de Impression sur étoffes Jaune Laine Photostabilité Résistance au lavage Solidité de la couleur Index. décimale : 667.3 Teinture et impression des tissus Résumé : We report here the synthesis and characterisation of a new medium-reactivity reactive dye containing 2-sulphophenoxy-4-chloro-s-triazine, having enhanced the activity of the chlorine atom for further substitution by the functional groups carried by wool fibre. In addition, a dichloro-s-triazine dye was also synthesised for the purpose of comparison. The progress of synthesis reactions and purity of the dyes were determined using capillary electrophoresis and thin layer chromatography. The molecular structure and the chemical compositions of the synthesised dyes were confirmed using Fourier Transform–infrared spectral data and elemental analyses. The inks containing the synthesised dyes were formulated and ink-jet-printed onto wool fabrics and then the printed fabrics were steamed at 102°C. Compared with the dichloro-s-triazine dye, superior performance in terms of ink stability, K/S and dye fixation was observed for the new 2-sulphophenoxy-4-chloro-s-triazine dye. In addition, the light fastness of the fabric printed with the inks containing the new dye was 0.5-grade greater than that of the fabric printed with the inks containing the dichloro-s-triazine dye, and no changes in shade and staining were observed following wash fastness tests of the fabrics printed with the inks containing the new dye. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of yellow 7-[(4-amino-2-methylphenyl)azo]-1,3-naphthalenedisulfonic-acid dye - Synthesis of yellow 7-[(2,4-dichloro-1,3,5-triazin-6-yl)amino-2-methylphenyl]azo]-1,3-naphthalenedisulphonic-acid dye - Synthesis of yellow 7-[(2-(4-sulphophenoxy)-4-chloro-1,3,5-triazin-6-yl)amino-2-methylphenyl]azo]-1,3-naphthalenedisulphonic-acid dye - Procedures - Application of the dyes - Physicochemical properties of the inks - Stability of the inks - K/S - Fixation - Colour fastness properties - RESULTS AND DISCUSSION : Synthesis of reactive dyes - Capillary electrophoresis (MEKC) - FTIR analysis - Physicochemical properties of the inks - Stability of the inks - Printing properties - Wash fastness - Light fastness DOI : https://doi.org/10.1111/cote.12457 Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34235 [article]

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