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Ajouter le résultat dans votre panierNanomaterials for textile processing and photonic applications / Timothy L. Dawson in COLORATION TECHNOLOGY, Vol. 124, N° 5 (2008)
Titre : Nanomaterials for textile processing and photonic applications Type de document : texte imprimé Auteurs : Timothy L. Dawson, Auteur Année de publication : 2009 Article en page(s) : p. 261-272 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : A few nanoparticle dispersions have been produced for centuries, but it is mainly during the past decade that they have been extensively developed for an amazing range of end uses, some in textile dyeing and finishing but more particularly in a technology now referred to as photonics. The developments in this field are reviewed with particular reference to improved, energy-saving illuminants, computer and television displays, solar panels and digital communications. Fluorescent nanoparticles, which are now widely employed for sophisticated biomedical diagnostic testing (and possibly in future for treating the diseases themselves), are also described. Many nanoproducts are of almost molecular size and potentially very reactive, which has raised fears about possible, as yet unknown, environmental hazards. This review summarises the results of certain individual toxicity trials and the extensive joint programmes planned in both Europe and America. DOI : 10.1111/j.1478-4408.2008.00151.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00151.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3173
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 261-272[article]Réservation
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Titre : Colorimetric study of SCOTDIC colour specifier Type de document : texte imprimé Auteurs : Asim Kumar, Auteur ; Roy Choudhury, Auteur Année de publication : 2009 Article en page(s) : p. 273-284 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : In this study, SCOTDIC cotton standard colours (a physical exemplification of the Munsell system) were studied extensively. L*, a*, b* values were measured and plotted to check the uniformity of the Munsell (SCOTDIC) hue, value and chroma values in a CIELAB diagram. Although for some borderline hues the hue angles were quite different than expected (around 0° or 360°), the correlation between SCOTDIC hue and CIELAB hue angle was fairly good and the correlation between SCOTDIC value and CIELAB lightness was also quite high. However, the correlation between SCOTDIC chroma and CIELAB chroma was only moderate. In the CIELAB diagram, the constant SCOTDIC hue and constant chroma loci took the shape of approximately linear radial lines starting from the origin and approximately concentric circles with the origin as their centres, respectively. However, some deviations were observed for high chroma colours and yellow hues in the respective cases. The instrumentally predicted Munsell notations were compared with the actual SCOTDIC notations. Some deviations of the SCOTDIC system from the Munsell system were observed. DOI : 10.1111/j.1478-4408.2008.00152.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00152.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3174
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 273-284[article]Réservation
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Titre : Dyes from the leaves of deciduous plants with a high tannin content for wool Type de document : texte imprimé Auteurs : A. S. M. Raja, Auteur ; G. Thilagavathi, Auteur Année de publication : 2009 Article en page(s) : p. 285-289 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The aqueous leaf extracts of five different deciduous plants, namely, silver oak, flame of the forest, tanner's senna, wattle and serviceberry, were used on their own and in combination with aluminium sulphate, stannous chloride and ferrous sulphate to dye wool by a simultaneous mordanting technique. The washing and light fastness properties of the developed shades were moderate to good. Based on the CIE 2000 spectral colour coordinate values (K/S, D L, D a, D b and D E), the developed shades were classified into four groups: yellow/brown, yellow, orange and dark grey. The use of aluminium sulphate gave medium shades (K/S = 8.24), while the stannous chloride and ferrous sulphate mordants provided deep shades (K/S = 30.5). Statistical analyses have shown that only the type of mordant and not the dye source significantly influenced the development of colour on wool. Hence, it was theoretically possible to use five selected leaves as a single mixture to produce four different colours on wool. DOI : 10.1111/j.1478-4408.2008.00153.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00153.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3175
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 285-289[article]Réservation
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Titre : Synthesis and colour spectroscopic investigation of some hemicyanine dyes Type de document : texte imprimé Auteurs : Hassan Abazied Shindy, Auteur ; Ahmed Ibrahim Mahmoud Koraiem, Auteur Année de publication : 2009 Article en page(s) : p. 290-294 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : New hemicyanine dyes with a benzo[2,3-b;2',3'-b']bis-furo[3,2-d]pyrazolium nucleus were prepared. Spectroscopic investigations were carried out in 95% ethanol for all the synthesised cyanine dyes and/or in pure solvents which have different polarities for some selected dyes. Structural identification was carried out via elemental analysis, infra-red and proton nuclear magnetic resonance spectral data. DOI : 10.1111/j.1478-4408.2008.00154.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00154.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3176
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 290-294[article]Réservation
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Titre : Novel hydrolysable azo disperse dyes based on N-ester-1,8-naphthalimide: dyeing of polyester–cotton blends Type de document : texte imprimé Auteurs : Javad Mokhtari, Auteur ; Kamaladin Gharanjig, Auteur ; Mokhtar Arami, Auteur ; Niyaz Mohammad Mahmoodi, Auteur Année de publication : 2009 Article en page(s) : p. 295-300 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The dyeing of polyester–cotton blends with new alkali-hydrolysable azo disperse dyes based on N-ester-1,8-naphthalimide was investigated. Polyester–cotton blend fabrics were dyed using both one- and two-bath methods. Dyes 3 and 4 offered lower colour yield on polyester using the one-bath method. For the rest of the dyes, employing either the one- or two-bath method resulted in a similar colour yield on polyester fabric. The results for fastness properties and colour yield of the dyeings showed that the dyes were suitable for dyeing polyester–cotton blends using the one-bath method. The kinetic study of hydrolysis of the dyes in alkali media obeyed the pseudo first-order reaction rate. DOI : 10.1111/j.1478-4408.2008.00155.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00155.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3177
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 295-300[article]Réservation
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Titre : Enhanced model for the diffusivity of a dye molecule into human hair fibre based on molecular modelling techniques Type de document : texte imprimé Auteurs : Olivier Morel, Auteur ; Robert M. Christie, Auteur ; Andrew J. Greaves ; Keith M. Morgan Année de publication : 2009 Article en page(s) : p. 301-309 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The influence of molecular size and shape and the impact of ionic character on the diffusivity of dyes into human hair fibre have been investigated using advanced molecular modelling techniques. A model has been proposed consistent with current theories on the pathways followed by molecules as they penetrate into the hair fibre and inspired by apparent similarities between the mechanisms involved in hair dyeing and in enzyme and zeolite chemistry. A previously reported method has been extended to take more realistic account of the mechanism of the diffusion process in hair fibres and the motion of the hair dye molecules as they enter the fibres. Original data have been reanalysed mathematically and the interpretation of the results refined. A revised descriptor, LD, the longest dimension of the smallest cross-section of the optimum parallelepiped enclosing the molecule, is proposed as a measure of the diffusivity of the dye into the fibre. Molecular size limit values for dye penetration are proposed varying with the charge on the hair dye molecules. DOI : 10.1111/j.1478-4408.2008.00157.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00157.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3178
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Titre : Azo dye removal by Moringa oleifera seed extract coagulation Type de document : texte imprimé Auteurs : Jesùs Beltrà n-Heredia, Auteur ; Jesùs Sà nchez Martin, Auteur Année de publication : 2009 Article en page(s) : p. 310-317 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : In this paper, the ability of Moringa oleifera seed extract–among other natural coagulants–to remove several different types of dyes has been researched. Moringa oleifera has been demonstrated to have a high removal ability for anionic dyes. This study is particularly focused on testing the removal of an azo dye such as Chicago Sky Blue 6B (CSB). It has taken out the fast kinetic of coagulant action and the high potential of this coagulant agent to treat wastewater from dyestuff. Up to 99 % of CSB removal has been achieved with M. oleifera extract dosage of 150, 200 and 250 mg-1 for 100, 160 and 200 mg l-1 of initial CSB concentration, respectively. Temperature does not affect the coagulant process and a pH level greater than 8 has a negative influence. Lower CSB percentage removal is achieved by increasing the initial dye concentration, but an optimum relationship between dye amount removed and M. oleifera extract amount has been established and it appears to be between 0.7 and 0.9, depending on the initial dye concentration and the bulk of the remaining dye concentration. DOI : 10.1111/j.1478-4408.2008.00158.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00158.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3179
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 310-317[article]Réservation
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Titre : Amineborane : a unique reductive bleaching agent that protects cystine disulphide bonds in keratins Type de document : texte imprimé Auteurs : Jackie Y. Cai, Auteur ; David J. Evans, Auteur ; Jeffrey S. Church, Auteur Année de publication : 2009 Article en page(s) : p. 318-323 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : This paper reports a new application for amineboranes in the bleaching of wool, a typical example of keratin fibre. It has been found in this investigation that amineboranes are unique reductive bleaching agents that do not attack cystine disulphide bonds in wool keratin and do not impart permanent set to the fibre during bleaching. Selected amineborane compounds can be used in conjunction with oxidative agents such as hydrogen peroxide in aqueous media to further enhance the whitening effect and prevent disulphide bond disruption in keratins. The results of this study have suggested that the researched technology outperforms existing bleaching methods on a number of levels and may be an important step towards a new commercial bleaching technology. DOI : 10.1111/j.1478-4408.2008.00156.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00156.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3180
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Titre : Dyeing behaviour of hydrogenated indigo in electrochemically reduced dyebaths Type de document : texte imprimé Auteurs : Thomas Bechtold, Auteur ; Wolfgang Schrott, Auteur ; Aurora Turcanu, Auteur Année de publication : 2009 Article en page(s) : p. 324-330 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.3 Teinture et impression des tissus Résumé : The dyeing behaviour of hydrogenated indigo, in electrochemically reduced dyebaths, was studied on cotton yarn with particular focus on dark shades. Indigo concentration in the dyebath was studied from 0.9 g l-1 indigo to 7 g l-1 to achieve indigo fixation near the level of dyestuff saturation. The number of repetitive cycles of immersion into the dyebath and air oxidation was increased up to eight dips. The highest K/S value at 660 nm was measured with K/S 31 at samples dyed with eight dips in a dyebath containing 1.8 g l-1 indigo and at a bath pH level of 11.7–12.1. When comparable amounts of indigo had been fixed on the yarn from baths containing 3.5 or 7 g l-1 indigo, K/S values decreased; however, darkness in terms of L* value increased. Analysis of the reflectance curves between 400 and 700 nm proved that the visually perceived increase in darkness was caused by lowered reflectance in the wavelength range of 400–525 nm. This also explains the more reddish, duller shade of indigo dyeings obtained from baths that contain a relatively high indigo concentration. Comparison to reference experiments confirmed that cathodic dyebath reduction does not modify the dyeing behaviour of indigo. DOI : 10.1111/j.1478-4408.2008.00159.x En ligne : http://onlinelibrary.wiley.com/doi/10.1111/j.1478-4408.2008.00159.x/pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3181
in COLORATION TECHNOLOGY > Vol. 124, N° 5 (2008) . - p. 324-330[article]Réservation
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| Code-barres | Cote | Support | Localisation | Section | Disponibilité |
|---|---|---|---|---|---|
| 010965 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |
