A diagnostic expert system for the dyeing of protein fibres / Weethima Sawatwarakul in COLORATION TECHNOLOGY, Vol. 131, N° 5 (10/2015)  

[article]  inCOLORATION TECHNOLOGY > Vol. 131, N° 5 (10/2015) . - p. 389-395 Titre : A diagnostic expert system for the dyeing of protein fibres Type de document : texte imprimé Auteurs : Weethima Sawatwarakul, Auteur ; Jeff Joines, Auteur ; Renzo Shamey, Auteur Année de publication : 2015 Article en page(s) : p. 389-395 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Contrôle technique Expertises Fibres animales Teinture -- Fibres textiles Index. décimale : 667.3 Teinture et impression des tissus Résumé : Coloration of protein fibres is characterised by many variables, each with a different effect on the final product. Because the process can be rather complicated, it is often difficult to achieve the right colour in the first dyeing attempt. Determining the root causes of a given problem tends to be even more challenging. While quality requirements in the textile industry have become increasingly rigorous, seasoned coloration experts have become rather scarce. This situation has exacerbated the need for the development and implementation of expert systems to augment available expertise in this domain. In addition, benefits associated with computer-based diagnostic systems have become increasingly evident over the past few decades, and the field remains an active area of research. Here we report the design and development of a diagnostic expert system for the dyeing of protein fibres. The system is designed to aid in the identification of root causes of problems with a view to enabling users to arrive quickly at remedial solutions. The performance of the system has been tested and evaluated by human experts and deemed to be highly satisfactory. This diagnostic system can be used to teach students, may be utilised by novice colourists as a problem-solving tool, and may be employed as a supplementary knowledge resource by seasoned dyers. Note de contenu : - Expert system applications in the textile industry - Expert system development methodology - Construction of knowledge base DOI : 10.1111/cote.12166 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12166 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24667 [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. Part 3: dyeing of wool with photochromic acid dyes / Shah M. Reduwan Billah in COLORATION TECHNOLOGY, Vol. 128, N° 6 (2012)  

[article]  inCOLORATION TECHNOLOGY > Vol. 128, N° 6 (2012) . - p. 488-492 Titre : Direct coloration of textiles with photochromic dyes. Part 3: dyeing of wool with photochromic acid dyes Type de document : texte imprimé Auteurs : Shah M. Reduwan Billah, Auteur ; Robert M. Christie, Auteur ; Renzo Shamey, Auteur Année de publication : 2012 Article en page(s) : p. 488-492 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Laine Photochromisme Pigments à effets spéciaux Teinture -- Fibres textiles Index. décimale : 667.3 Teinture et impression des tissus Résumé : Wool dyed with two isomeric water-soluble spirooxazine-based photochromic acid dyes, which were specifically designed and synthesised for direct application to protein and polyamide substrates, showed reversible change from a pale yellowish colour to blue when exposed to sunlight or UV light. With the first dye, significantly higher photochromic colour change was obtained when the wool was bleached, a feature attributed to a more open fibre structure which may facilitate penetration of the non-planar dye anion and also the photocoloration reaction which requires a change in molecular geometry. Experimentation demonstrated that the optimum conditions for application of this dye to wool was from an aqueous dyebath at neutral pH and a temperature of 60 °C. An investigation using HPLC demonstrated that the dye was susceptible to decomposition in aqueous solution at higher temperatures and at lower pH values. The second dye was also applied to wool fabric to give a fabric with similar photochromic properties. The technical performance of the dyed fabrics, in terms of washfastness and photostability, was assessed. Note de contenu : - EXPERIMENTAL : Materials - Dyeing of wool fabric - Colour measurement - Study of the stability of dye 2 using high-performance liquid chromatography - RESULTS AND DISCUSSION : Dyeing of wool with photochromic acid dyes DOI : 10.1111/j.1478-4408.2012.00406.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2012.00406.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16455 [article]

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Photochromic dyeing / Shah M. Reduwan Billah in LEATHER INTERNATIONAL, Vol. 213, N° 4806 (01-02/2011)  

[article]  inLEATHER INTERNATIONAL > Vol. 213, N° 4806 (01-02/2011) . - p. 34-36 Titre : Photochromic dyeing Type de document : texte imprimé Auteurs : Shah M. Reduwan Billah, Auteur ; Robert M. Christie, Auteur ; Renzo Shamey, Auteur ; Korshed Alam, Auteur ; Keith M. Morgan, Auteur Année de publication : 2011 Article en page(s) : p. 34-36 Langues : Anglais (eng) Catégories : Cuirs et peaux -- Teinture Photochromisme Pigments à effets spéciaux Polyamides Un polyamide est un polymère contenant des fonctions amides -C(=O)-NH- résultant d'une réaction de polycondensation entre les fonctions acide carboxylique et amine. Selon la composition de leur chaîne squelettique, les polyamides sont classés en aliphatiques, semi-aromatiques et aromatiques. Selon le type d'unités répétitives, les polyamides peuvent être des homopolymères ou des copolymères. Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Comparative study on the photochromic colour changing performance of leather with protein and polyamide substrates dyed with photochromic acid dyes. En ligne : https://drive.google.com/file/d/1W6N-Fmvfu7Di71qDmURwlQNvWaLmG08o/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11118 [article]

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Prediction of depth of shade of a dyed polyester fabric based on fibre fineness and fabric structure / Shiqi Li in COLORATION TECHNOLOGY, Vol. 125, N° 5 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 5 (2009) . - p. 296-303 Titre : Prediction of depth of shade of a dyed polyester fabric based on fibre fineness and fabric structure Type de document : texte imprimé Auteurs : Shiqi Li, Auteur ; Renzo Shamey, Auteur ; Changhai Xu, Auteur Année de publication : 2009 Article en page(s) : p. 296-303 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : A colour prediction model containing four parameters of dye concentration, fibre fineness, fabric roughness and dye parameter is developed. The model can predict the shade depth of a dyed polyester fabric. The relationship among these factors and shade depths of dyed polyester fabrics was investigated to elucidate the role of fibre fineness and fabric structure on surface reflectance and colour efficiency. The shades of several additional dyed samples were measured and compared against the predicated values to validate the accuracy and performance of the model. The results showed that the predicated depths of shade matched the experimental data to a good extent. DOI : 10.1111/j.1478-4408.2009.00210.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00210.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=6866 [article]

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Pretreatment effects on pigment-based textile inkjet printing – colour gamut and crockfastness properties / Yi Ding in COLORATION TECHNOLOGY, Vol. 135, N° 1 (02/2019)  

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Review of retail store lighting : implications for colour control of products / David Hinks in COLORATION TECHNOLOGY, Vol. 127, N° 2 (2011)  

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