Modified 2,4-difluoro-5-chloro-pyrimidine dyes and their application in ink-jet printing on wool fabrics / M. Clark in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 184-190 Titre : Modified 2,4-difluoro-5-chloro-pyrimidine dyes and their application in ink-jet printing on wool fabrics Type de document : texte imprimé Auteurs : M. Clark, Auteur ; K. Yang, Auteur ; D. M. Lewis, Auteur Année de publication : 2009 Article en page(s) : p. 184-190 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : This paper describes the modification of three commercially available 2,4-difluoro-5-chloropyrimidine dyes (Drimarene Brilliant Red K-4BL, Drimarene Brilliant Blue K-BL and Drimarene Golden Yellow K-2R) by the reaction of the parent dye with 4-hydroxybenzensulphonic acid sodium salt. Capillary electrophoresis was used to monitor both the course of the above reaction and to ascertain the dye stability of the dyes in an ink formulation. Inks prepared from the modified dyes showed much higher storage stability compared with the parent dye-containing inks; this was confirmed by capillary electrophoresis analysis. Inks containing the modified dyes were printed on wool fabrics and diffusion/fixation achieved by 'batching' the prints at 25 °C; high fixation values were obtained for all three modified dyes. These prints exhibited excellent colour fastness to washing, rubbing and light, the former test confirming a high degree of dye–fibre covalent bonding. DOI : 10.1111/j.1478-4408.2009.00195.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00195.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5923 [article]

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Use of a novel water-soluble arylating agent to dye wool and wool blends with disperse dyes / Peter J. Broadbent in COLORATION TECHNOLOGY, Vol. 123, N° 1 (2007)  

[article]  inCOLORATION TECHNOLOGY > Vol. 123, N° 1 (2007) . - p. 29-33 Titre : Use of a novel water-soluble arylating agent to dye wool and wool blends with disperse dyes Type de document : texte imprimé Auteurs : Peter J. Broadbent, Auteur ; M. Clark, Auteur ; S. N. Croft, Auteur ; David M. Lewis, Auteur Année de publication : 2007 Article en page(s) : p. 29-33 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : A series of water-soluble fibre-reactive arylating agents were synthesised and evaluated from the stand-point of improving fibre coloration with disperse dyes. In particular, the compound, sodio-2,4-dianilino-6-[4'-béta-sulphatoethylsulphonylanilino]-s-triazine (FAA 200) was found to be promising ; this compound could be applied in the same bath as a disperse dye at pH 5–6. Under the latter conditions this compound showed high substantivity to wool and at the boil readily underwent béta-elimination of the sulphate ester residue to give the vinyl sulphone reactive group which adds on to nucleophilic sites in the fibre to form a covalent bond. Coapplication with commercially available disperse dyes gave bright, level dyeings that exhibited promising wet fastness. FAA 200 was used as an auxiliary to dye disperse dyes on both fibre components of a wool–polyester blend fabric ; it was found that addition of hydrogen peroxide or sodium thiocyanate was necessary to obviate reduction of certain disperse dyes when dyeing at 120 °C. DOI : 10.1111/j.1478-4408.2006.00055.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2006.00055.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3579 [article]

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