| Titre : |
Effect of the water content of padded cotton fabrics on reactive dye fixation in the pad-steam process |
| Type de document : |
texte imprimé |
| Auteurs : |
Jianfei Zhang, Auteur ; Xinqing Zhang, Auteur ; Kuanjun Fang, Auteur ; Dawu Shu, Auteur ; Jixian Gong, Auteur ; Xiuming Liu, Auteur |
| Année de publication : |
2017 |
| Article en page(s) : |
p. 57–64 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Colorants réactifs
Colorimétrie
CotonLe coton est une fibre végétale qui entoure les graines des cotonniers "véritables"(Gossypium sp.), un arbuste de la famille des Malvacées. Cette fibre est généralement transformée en fil qui est tissé pour fabriquer des tissus. Le coton est la plus importante des fibres naturelles produites dans le monde. Depuis le XIXe siècle, il constitue, grâce aux progrès de l'industrialisation et de l'agronomie, la première fibre textile du monde (près de la moitié de la consommation mondiale de fibres textiles).
Fixation (chimie)
Textiles et tissus -- Teneur en eau
Thermométrie
Vapeur d'eau
|
| Index. décimale : |
667.3 Teinture et impression des tissus |
| Résumé : |
A series of padded cotton fabrics with various water contents were obtained through vacuum dehydration. The effects of the water content on the fabric temperature variation during steaming, the colour properties, and the dye fixation rate (%F) were investigated. Dye distribution in the dyed cotton fibres was assessed. The influences of steaming time and sodium carbonate concentration on K/S value and %F of the dyed fabrics with low water content were also evaluated. The results indicate that reducing the water content of the padded cotton fabric to around 25.0% prior to steaming was favoured for reactive dyeing. The temperature of the wet fabric rose rapidly, the K/S value and %F were enhanced, and in addition the dye penetration into the dyed cotton fibres was sufficient. However, for padded fabrics with extraordinarily low and high water contents (e.g. 1.4% and 70.9% respectively), both the K/S value and %F were decreased. Furthermore, a white core phenomenon was evident for the fibres of the dyed fabric with a water content of 1.4%. Variation in the L* values was in line with the K/S values as the fabric water content varied. As expected, steaming time and sodium carbonate dosage can also affect reactive dye fixation greatly and should be determined accordingly for dyeing cotton fabric with low water content. |
| Note de contenu : |
- EXPERIMENTAL : Vacuum dehydration and dyeing of cotton fabrics - Water content of the vacuum-dehydrated cotton fabric - Fabric temperature measurement during steaming - Colour measurements - Dye fixation rate - Fibre cross-section observation of the dyed cotton fabrics
- RESULTS AND DISCUSSION : Temperature variation of the fabrics with different water contents during the steaming procedure - Effect of fabric water contents on colour strengths and dye fixation rates - Colorimetric parameters of dyed fabrics with various water contents - Dye distribution in the fibres of the dyed cotton fabrics - Steam fixation of padded cotton fabrics with a low water content |
| DOI : |
10.1111/cote.12253 |
| En ligne : |
https://drive.google.com/file/d/1ff_H8nF6failV3fqARVsc5vyMLBVc-1x/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27881 |
in COLORATION TECHNOLOGY > Vol. 133, N° 1 (02/2017) . - p. 57–64
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