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Synthesis and electronic spectra of 3-hetaryl substituted coumarin derivatives 7-hydroxy-2H-chromen-2-on and 9-hydroxy-2H-benzo(f)chromen-2-on / Todor Deligeorgiev in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 195-203 Titre : Synthesis and electronic spectra of 3-hetaryl substituted coumarin derivatives 7-hydroxy-2H-chromen-2-on and 9-hydroxy-2H-benzo(f)chromen-2-on Type de document : texte imprimé Auteurs : Todor Deligeorgiev, Auteur ; Teodora Tsvetkova, Auteur ; Diana Ivanova, Auteur ; Iliana Timtcheva, Auteur Année de publication : 2009 Article en page(s) : p. 195-203 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The synthesis of 3-hetaryl substituted coumarin derivatives [7-hydroxy-2H-chromen-2-on and 9-hydroxy-2H-benzo(f)chromen-2-on] containing a hydroxyl group by reacting 2,4-dihydroxybenzaldehyde and 2,4-dihydroxynaphtaldehydes with 2-cyanomethylbenzothiazole, 2-cyanomethylbenzimidazole, 1-methyl-2-cyanomethylbenzimidazole and 2-cyanomethyl-4-phenylthiazole is presented. The absorption and steady-state fluorescence characteristics of the synthesised 3-hetaryl substituted 7-hydroxy-2H-chromen-2-on and 9-hydroxy-2H-benzo(f)chromen-2-on in a solution of ethanol and at different pH values are studied to assess their possible application as fluorescent probes for use in molecular biology and medicine. DOI : 10.1111/j.1478-4408.2008.00141.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00141.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3164 [article]

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One-bath union dyeing of wool/polytrimethylene terephthalate blends / Jinhuan Zheng in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 204-210 Titre : One-bath union dyeing of wool/polytrimethylene terephthalate blends Type de document : texte imprimé Auteurs : Jinhuan Zheng, Auteur ; Xin Liu, Auteur ; P. Rex Brady, Auteur Année de publication : 2009 Article en page(s) : p. 204-210 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The one-bath dyeing of blends of polytrimethylene terephthalate (PTT) staple and wool has been investigated. The exhaustion of selected Terasil disperse dyes on PTT fibre and Lanasol reactive dyes on wool was measured as a function of temperature, together with the cross-staining of the Terasil dyes on the wool component and the Lanasol dyes on PTT component. Most Terasil disperse dyes achieved satisfactory dye uptake on PTT at 110 °C, whereas on conventional polyester (polyethylene terephthalate) temperatures of up to 130 °C are required. An optimised union-dyeing technique for wool/PTT blends was developed which minimised the staining of Terasil disperse dyes on wool and produced dyed goods with high levels of wet colour fastness. Carriers were not required to enhance the dyeability of PTT at low temperatures. The wool component appeared to be protected against damage at 110 °C by the reactive dyes. The results indicate the potential for blending PTT fibre and wool to produce fabrics that are easier to dye at lower temperatures than conventional wool/polyester blends. DOI : 10.1111/j.1478-4408.2008.00142.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00142.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3165 [article]

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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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Colour of flax fibres in regard to different pretreatment and dyeing processes / Darinka Fakin in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 216-222 Titre : Colour of flax fibres in regard to different pretreatment and dyeing processes Type de document : texte imprimé Auteurs : Darinka Fakin, Auteur ; Alenka Ojstrsek, Auteur Année de publication : 2009 Article en page(s) : p. 216-222 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The main objective of this work was to compare the colour of different pretreated (alkaline, acidic and enzymatic) and dyed (conventional and ultrasonic-assisted) flax fibres, to establish the impact of various parameters on dyeing kinetics. Flax fibres were dyed using two direct dyes of different chemical structures and molecular mass. Diffusion profiles were established by the application of Fick's Law and dyeing behaviour was studied by means of online spectrophotometry. Finally, the dyed samples were colorimetrically evaluated and colour differences and colour strengths were subsequently calculated. The results provided evidence that a dye molecule's size has a greater influence on the exhaustion degree, migration and diffusion than individual pretreatment processes. The determined diffusion coefficients indicated superior dye mobility and faster diffusion into the fibres when ultrasonic power was used in comparison with conventional process. Nevertheless, the colour depth obtained was found to be low after ultrasonic dyeing using a larger dye molecule, implying part degradation of CI Direct Red 80 (and total degradation of small-size dyestuff, CI Direct Red 81). DOI : 10.1111/j.1478-4408.2008.00144.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00144.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3167 [article]

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Direct coloration of textiles with photochromic dyes. Part 1 : Application of spiroindolinonaphthoxazines as disperse dyes to polyester, nylon and acrylic fabrics / Shah M. Reduwan Billah in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 223-228 Titre : Direct coloration of textiles with photochromic dyes. Part 1 : Application of spiroindolinonaphthoxazines as disperse dyes to polyester, nylon and acrylic fabrics Type de document : texte imprimé Auteurs : Shah M. Reduwan Billah, Auteur ; Renzo Shamey, Auteur ; Robert M. Christie, Auteur Année de publication : 2009 Article en page(s) : p. 223-228 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : 1,3,3-Trimethylspiroindoline-2,3'-3H-naphth[2,1-b][1,4]oxazine (1a) and 6'-piperidino-1,3,3-trimethylspiroindoline-2,3'-3H-naphth[2,1-b][1,4]oxazine (1b) were applied as disperse dyes to polyester, nylon and acrylic fabrics. Under optimised dyeing conditions, photochromic fabrics were produced which, on irradiation with ultraviolet or exposure to sunlight, turned blue (1a) or blueish-purple (1b). Dye 1a showed enhanced photochromic colour change performance compared with dye 1b. The photochromic colour build was highest on nylon and lowest on acrylic fabric. The colour change properties and the technical performance (wash fastness and photostability) of the photochromic fabrics were evaluated using specifically adapted colour measurement methods. The data were analysed in terms of variation of lightness, a*, b*, chroma, hue angle and D E, colour difference before and after exposure, and K/S curves as a function of irradiation time. The fabrics generally showed good wash fastness. Although the colour build-up decreased with exposure to the Xenotest fadeometer, some residual photochromism remained after prolonged exposure. DOI : 10.1111/j.1478-4408.2008.00145.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00145.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3168 [article]

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Direct coloration of textiles with photochromic dyes / Shah M. Reduwan Billah in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 229-233 Titre : Direct coloration of textiles with photochromic dyes : Part 2 : The effect of solvents on the colour change of photochromic textiles Type de document : texte imprimé Auteurs : Shah M. Reduwan Billah, Auteur ; Robert M. Christie, Auteur ; Keith M. Morgan, Auteur Année de publication : 2009 Article en page(s) : p. 229-233 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Polyester, acrylic and nylon textile substrates dyed with two spirooxazine dyes, 1,3,3-trimethyl-spiroindoline-2,3'-3H-naphth[2,1-b][1,4]oxazine (1a) and 6'-piperidino-1,3,3-trimethyl spiroindoline-2,3'-3H-naphth[2,1-b][1,4]oxazine (1b), exhibit significantly higher photochromic colour build-up when wet compared with after drying. A study of this phenomenon, extended beyond water to the influence of a series of selected organic solvents on photochromic behaviour, using colour measurement of the photochromic textiles under controlled ultraviolet irradiation conditions, is reported. The results of molecular modelling calculations (AM1 in water and PM5 in water) have been used as a means of interpreting the observed effects, in conjunction with qualitative arguments based on solvation and fibre swelling. DOI : 10.1111/j.1478-4408.2008.00146.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00146.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3169 [article]

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Colour change as a result of textile transformations / Ali Moussa in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 234-242 Titre : Colour change as a result of textile transformations Type de document : texte imprimé Auteurs : Ali Moussa, Auteur ; Daniel Dupont, Auteur ; Daniel Steen, Auteur ; Xianyi Zeng, Auteur Année de publication : 2009 Article en page(s) : p. 234-242 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : This paper studies the influence of textile structure on its colour. It provides a systematic analysis of the changes in spectral reflectance and hence colour differences between three textile substrates: roving, yarn and woven fabric. The transformations of the reflectance spectrum as a result of the changes of the structure were modelled and the evolutions of the colorimetric coordinates L*, a*, b*, C* and h associated with these various transformations were thus calculated and analysed. The work also offers a useful method of modelling the predicted colour from one substrate form to another, which is important to the textile industry. DOI : 10.1111/j.1478-4408.2008.00147.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00147.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3170 [article]

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Evaluating colour image difference metrics for gamut-mapped images / Jon Yngve Hardeberg in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 243-253 Titre : Evaluating colour image difference metrics for gamut-mapped images Type de document : texte imprimé Auteurs : Jon Yngve Hardeberg, Auteur ; Marius Pedersen, Auteur ; Eriko Bando, Auteur Année de publication : 2009 Article en page(s) : p. 243-253 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The quality of several colour image difference metrics, pixelwise CIELAB delta Eab, S-CIELAB, iCAM, Structural Similarity Index, Universal Image Quality and the hue-angle algorithm, have been investigated. These results were compared with the results from a psychophysical experiment in which the perceptual image difference was evaluated. Six original images were reproduced using six different colour gamut-mapping algorithms. The results of our experiment indicate that perceptual image difference cannot be directly related to colour image difference calculated by current metrics. Therefore, it is currently not possible to evaluate colour gamut mapping quality using colour image difference metrics. DOI : 10.1111/j.1478-4408.2008.00148.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00148.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3171 [article]

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Protection of lyocell fibres against fibrillation ; influence of dyeing with bis-monochloro-s-triazinyl reactive dyes / I. Bates in COLORATION TECHNOLOGY, Vol. 124, N° 4 (2008)  

[article]  inCOLORATION TECHNOLOGY > Vol. 124, N° 4 (2008) . - p. 254-258 Titre : Protection of lyocell fibres against fibrillation ; influence of dyeing with bis-monochloro-s-triazinyl reactive dyes Type de document : texte imprimé Auteurs : I. Bates, Auteur ; R. Ibbett, Auteur ; R. Reisel, Auteur ; A. H. M. Renfrew, Auteur Année de publication : 2009 Article en page(s) : p. 254-258 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Four bis-monochlorotriazinyl (bis-MCT) reactive dyes, including Procion Orange H-ER, together with Remazol Black B, were applied, in turn, to lyocell fibres and their wet abrasion resistance (Nass-Scheuer-Festigkeit) measured. The bis-MCT dyes performed poorly, showing that little cross-linking had occurred and all were inferior to Remazol Black B. The cross-linking propensity of Procion Orange H-ER was not superior to the other bis-MCT dyes evaluated. A possible explanation for the apparent superiority of Procion Orange H-ER in a recent paper published in this journal may lie with fabric construction but not with the suppression of fibrillation once it has occurred. DOI : 10.1111/j.1478-4408.2008.00149.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00149.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3172 [article]

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