Effects of a cationic diblock copolymer derived from [2-(methacryloyloxy)-ethyl]trimethylammonium chloride in the dyeing of cotton with reactive dye / Shin Young Han in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 211-215 Titre : Effects of a cationic diblock copolymer derived from [2-(methacryloyloxy)-ethyl]trimethylammonium chloride in the dyeing of cotton with reactive dye Type de document : texte imprimé Auteurs : Shin Young Han, Auteur ; Chun Keun Jang, Auteur ; Jae Yun Jaung, Auteur Année de publication : 2009 Article en page(s) : p. 211-215 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : A cationic diblock copolymer (PEO45-MeDMA) derived from [2-(methacryloyloxy)-ethyl]trimethylammonium chloride (MeDMA) gave a positive charge to a cotton surface and provided strong attraction to an anionically charged reactive dye. PEO45-MeDMA was used as the cotton pretreatment. The dyeability of cationised cotton fabrics using CI Reactive Blue 250 was found to be dependent on the PEO45-MeDMA concentration. The colour strength and fastness properties of the dyed fabrics using the PEO45-MeDMA copolymer and sodium sulphate were compared. The dyeability of the cotton fabrics pretreated with PEO45-MeDMA indicated higher dye uptake than that of sodium sulphate. This suggests that the pretreatment of cotton by PEO45-MeDMA diblock copolymer can be considered as an alternative to the use of the exhausting agent sodium sulphate. DOI : 10.1111/j.1478-4408.2008.00143.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00143.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3166 [article]

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Synthesis of yellow pyridonylazo colorants and their application in dye-pigment hybrid colour filters for liquid crystal display / Jong Min Park in COLORATION TECHNOLOGY, Vol. 133, N° 2 (04/2017)  

[article]  inCOLORATION TECHNOLOGY > Vol. 133, N° 2 (04/2017) . - p. 158-164 Titre : Synthesis of yellow pyridonylazo colorants and their application in dye-pigment hybrid colour filters for liquid crystal display Type de document : texte imprimé Auteurs : Jong Min Park, Auteur ; Chang Young Jung, Auteur ; Wang Yao, Auteur ; Cheol Jun Song, Auteur ; Jae Yun Jaung, Auteur Année de publication : 2017 Article en page(s) : p. 158-164 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorants -- Propriétés optiques Colorants -- Solubilité Colorants -- Synthèse Colorants azoïques Cristaux liquides Encre Filtres Jaune Résonance magnétique nucléaire Stabilité thermique Thermogravimétrie Index. décimale : 667.2 Colorants et pigments Résumé : Nine yellow azo dyes were designed and synthesised by using different diazo components and pyridonyl coupling components for application in dye–pigment hybrid colour filters for liquid crystal displays. The synthesised dyes were characterised by proton nuclear magnetic resonance and elemental analysis. The thermal stability was examined by thermogravimetric analysis, and solubility was estimated in industrial solvents such as N-methyl-2-pyrrolidone and propylene glycol methyl ether acetate. The dyes, which exhibited suitable physical properties for use in a dye–pigment hybrid colour filter, were fabricated into colour filters, and their optical properties were measured. Note de contenu : - Synthesis - Preparation of hybrid ink based on dye-pigment - Fabrication of colour filters with hybrid ink - Investigation of dye solubility - Investigation of thermal stability DOI : 10.1111/cote.12260 En ligne : https://drive.google.com/file/d/1RSgyaF3s2pieRUjrrcfiDkgOCAfxK4Gv/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28229 [article]

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