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Evolution of right-first-time dyeing production / James Park in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 133-140 Titre : Evolution of right-first-time dyeing production Type de document : texte imprimé Auteurs : James Park, Auteur ; John Shore, Auteur Année de publication : 2009 Article en page(s) : p. 133-140 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The concept of right-first-time production has become an essential feature of textile processing to enable companies to remain competitive and profitable through the many benefits achieved by this concept, not least the major cost savings that are obtained. It is perhaps surprising that no formal research and development programme was ever undertaken to achieve right-first-time in practical dyeing processes. The successful evolution of the concept depended on work carried out over many years by a relatively small number of organisations. Many application research and development projects were carried out, mainly with the laboratory, pilot-plant and bulk-scale equipment of the major users and manufacturers of dyes and equipment, to elucidate the important factors in achieving this concept. DOI : 10.1111/j.1478-4408.2009.00194.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00194.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5914 [article]

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Adsorption behaviour of azo disperse dyes on polyurethane fibre / Hong-Fei Qian in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 141-145 Titre : Adsorption behaviour of azo disperse dyes on polyurethane fibre Type de document : texte imprimé Auteurs : Hong-Fei Qian, Auteur ; Xin-Yuan Song, Auteur Année de publication : 2009 Article en page(s) : p. 141-145 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Adsorption isotherms of disperse dyes were measured and the surfaces of dyed polyurethane, cellulose diacetate and polylactic acid fibres were observed using a scanning electron microscope and compared. Obvious crystal growth of the dyes occurred on the surface of the polyurethane fibres. The maximum dye uptake on polyurethane fibres and the degree of crystal growth varied greatly with the dye type. Factors such as the dye affinity for the fibre, crystallisation properties and dye solubility in the dyebath affect the sorbed state of the dye on the fibre surface. A mechanism is proposed for crystal formation on the fibre surface during dyeing of polyurethane fibre with disperse dyes. DOI : 10.1111/j.1478-4408.2009.00186.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00186.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5915 [article]

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Structure–property relationships for azo disperse dyes on polyurethane fibre / Hong-Fei Qian in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 147-150 Titre : Structure–property relationships for azo disperse dyes on polyurethane fibre Type de document : texte imprimé Auteurs : Hong-Fei Qian, Auteur ; Xin-Yuan Song, Auteur Année de publication : 2009 Article en page(s) : p. 147-150 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Using two series of monoazo disperse dyes, the relationships between the molecular structure of dye and its dyeing properties, such as adsorption behaviour, fastness properties and distribution on polyurethane–polyester blends, were thoroughly investigated. Correlation analysis of experiment data revealed that the partition coefficient between octanol and water (CLogP) is the main factor affecting dye sorption. A greater level of CLogP tends to have a greater isotherm coefficient and better rubbing and washing fastness on polyurethane fibre, as well as a greater distribution ratio between the components of the blend. The dye dipole moment is negatively correlated with various degrees of washing fastness. The dye with two terminal hydroxy groups exhibited notable sorption on the polyurethane component and has the largest partition ratio on polyurethane–polyester in the blend. Corresponding regression analysis equations were identified. DOI : 10.1111/j.1478-4408.2009.00188.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00188.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5916 [article]

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Influence of melt spinning conditions on dye uptake of poly(ethylene terephthalate) fibres / Kenan Yildirim in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 151-154 Titre : Influence of melt spinning conditions on dye uptake of poly(ethylene terephthalate) fibres Type de document : texte imprimé Auteurs : Kenan Yildirim, Auteur ; Sule Altun, Auteur ; Mehmet Kanik, Auteur ; Yusuf Ulcay, Auteur Année de publication : 2009 Article en page(s) : p. 151-154 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The effects of quenching air temperature, quenching air speed and winding speed in the melt spinning process of poly(ethylene terephthalate) fibres with a titre of 147 dtex and 96 filaments on dye uptake were investigated. The ranges used for quenching air temperature, quenching air speed and winding speed were 17–27 °C, 0.3–0.7 m/s and 2600–3800 m/min, respectively. Specimens were dyed and their colour strengths (K/S values) were measured using a spectrophotometer. The results were statistically analysed. DOI : 10.1111/j.1478-4408.2009.00187.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00187.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5917 [article]

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Eco-friendly pretreatment of silk fabric for dyeing with Delonix regia extract / Padma Shree Vankar in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 155-160 Titre : Eco-friendly pretreatment of silk fabric for dyeing with Delonix regia extract Type de document : texte imprimé Auteurs : Padma Shree Vankar, Auteur ; Rakhi Shanker, Auteur Année de publication : 2009 Article en page(s) : p. 155-160 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The flowers of Delonix regia have been evaluated for the natural dyeing of silk using a biomordant and enzymes. This is an eco-friendly textile pretreatment that does not utilise metal mordanting. The aqueous extract obtained from the dried red flowers was used for the dyeing of silk fabrics. A bright reddish-brown hue colour was observed when 30% owf Delonix extract was used on the pretreated silk material. The silk fabric was treated with either an enzyme or biomordant. The resulting dyed fabric showed resistance to fading. Finally, all dyed specimens were tested for wash and light fastness properties, making Delonix a viable alternative to synthetic red dyes. Through desorption studies, the order of reactivity of enzymes towards dye uptake in the one-step process was found to be lipase > diasterase > protease–amylase = Pyrus(biomordant). For the two-step process, the order of reactivity of enzymes was found to be protease–amylase > lipase > Pyrus (biomordant) > diasterase. Overall, it can be concluded that, treatments, the two-step process was better in terms of larger colour yield values, fastness properties and both dye adherence ability. DOI : 10.1111/j.1478-4408.2009.00189.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00189.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5918 [article]

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Chrome dyeing : the role of soluble proteins / David G. King in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 161-163 Titre : Chrome dyeing : the role of soluble proteins Type de document : texte imprimé Auteurs : David G. King, Auteur Année de publication : 2009 Article en page(s) : p. 161-163 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : A significant factor preventing the achievement of zero chromium in the effluent from the after-chrome dyeing process is the presence of soluble proteins in the dyebath. These proteins can react with the dichromate anion and thus interfere with its reaction with the wool fibre and dye molecules. This understanding may lead to the development of very low chromium in effluent dyeing methods that ensure the viability of chrome dyeing. DOI : 10.1111/j.1478-4408.2009.00190.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00190.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5919 [article]

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An innovative study on dyeing silk fabrics by modified phospholipid liposomes / Manal M. El-Zawahry in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 164-171 Titre : An innovative study on dyeing silk fabrics by modified phospholipid liposomes Type de document : texte imprimé Auteurs : Manal M. El-Zawahry, Auteur ; Mohamed H. El-mallah, Auteur ; Safenaz El-Shami, Auteur Année de publication : 2009 Article en page(s) : p. 164-171 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Modified phospholipids from the commercial soybean lecithin were prepared via acetylation of the acetone insoluble fraction phosphatidylethanolamine. N-Acetyl-phosphatidylethanolamine was used to prepare liposomes for encapsulating anionic dyes (acid and reactive dyes) to be used in dyeing silk fabric. Size measurements of the liposomes showed that the maximum vesicle size was 36.61 nm for empty liposomes in comparison with 39.08 and 39.75 nm for acid dyes and 51.78 and 59.20 nm for reactive dyes. The efficiency of the micro-encapsulated dyes to dye silk fabric has been investigated and compared with the conventional dyeing process using different parameters. It was confirmed that the acetylated acetone insoluble fraction liposome shows better encapsulation of the reactive dyes and achieves more dye uptake than the acid dyes. It was also found that fastness properties of dyed silk with micro-encapsulated anionic dyes did not change significantly more than the conventional dyeing method. Reuse of the micro-encapsulated dyebath produces low water pollution as the effluent is virtually colourless. As a result, the process is also economic and eco-friendly. DOI : 10.1111/j.1478-4408.2009.00191.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00191.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5920 [article]

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Research in the cold pad–batch dyeing process for wool pretreated by hydrogen peroxide / Xue Zhao in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 172-177 Titre : Research in the cold pad–batch dyeing process for wool pretreated by hydrogen peroxide Type de document : texte imprimé Auteurs : Xue Zhao, Auteur ; He Jinxin, Auteur ; Yi-Zhen Zhan, Auteur Année de publication : 2009 Article en page(s) : p. 172-177 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The cold pad–batch dyeing process of wool pretreated by hydrogen peroxide was carried out with Lanasol reactive dyes and Realan reactive dyes. The influences of various conditions of the dyeing process, including urea dosage, sodium bisulphite dosage, pH value, batching time and the liquor pickup on colour yield, were analysed. Fixation, levelness of dyeing, dye penetration, colour fastness, breaking strength and elongation were compared between untreated and treated wool fabrics. The study showed that cold pad–batch dyeing of wool fabric is a good prospect for future use because of the resulting advantages, such as higher fixation yield, less energy usage and lower sewage discharge. DOI : 10.1111/j.1478-4408.2009.00192.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00192.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5921 [article]

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Recipe formulation based on spectral visual response fitting / Guoxing He in COLORATION TECHNOLOGY, Vol. 125, N° 3 (2009)  

[article]  inCOLORATION TECHNOLOGY > Vol. 125, N° 3 (2009) . - p. 178-183 Titre : Recipe formulation based on spectral visual response fitting Type de document : texte imprimé Auteurs : Guoxing He, Auteur ; Mingxun Zhou, Auteur Année de publication : 2009 Article en page(s) : p. 178-183 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : Based on the idea of the spectral visual response fitting, the visual difference between the spectral reflectance factor function of the standard and specimen was proposed in this paper. Basic equations used in the recipe formulation as well as recipe correction were derived based on the spectral visual response fitting in matrix form and an algorithm for the least-squares match has been developed. The iterative procedure for the recipe correction has been established in this algorithm. Twenty standards were used in our numerical experiments. The experimental results showed that the average colour difference against for the standards under the five different illuminants (D65, A, F1, F2 and F3) was smaller than one based on other spectrophotometric fittings, balanced the colour differences better and produced lower metamerism. DOI : 10.1111/j.1478-4408.2009.00193.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2009.00193.x/pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5922 [article]

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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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