| Titre : |
Practical realisation of ozone clearing after disperse dyeing of polyester |
| Type de document : |
texte imprimé |
| Auteurs : |
Seda Gundogan, Auteur ; Hüseyin Aksel Eren, Auteur |
| Année de publication : |
2014 |
| Article en page(s) : |
p. 357-362 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Chimie textile
Fibres polyesters
Ozone
Solidité de la couleur
Teinture -- Fibres textiles synthétiques
|
| Index. décimale : |
667.3 Teinture et impression des tissus |
| Résumé : |
In this study, a novel system utilising ozone in jet dyeing machines is introduced, and the results of ozone-clearing treatments of disperse dyed polyester on the prototype modified machine are reported. A Venturi injector was mounted on the liquor circulation pipe of the jet dyeing machine to feed ozone gas into the machine. Ozone was generated via an ozone generator by feeding conditioned air into the generator. The ozone gas entering the pipe partly dissolved in the treatment liquor; the dissolved portion and the gaseous ozone interacted via the fabric in the pipe, especially in the nozzle and also at the bottom of the autoclave (machine body). Disperse dyed polyester fabrics of textile-company mass production were ozone cleared in this prototype. Ozone clearing was achieved in cold water (room temperature), and no other chemicals were used. The colour of the samples, wet fastness properties, and the chemical oxygen demand of the effluent were investigated, and costs were compared with those of conventional reduction clearing of ozone. Results were outstanding: an 83% cost reduction, 67% timesaving, and an 88% COD reduction were achieved. |
| Note de contenu : |
- Colour differences of the dyed fabrics
- Fastness properties of the dyed fabrics
- Strength properties of the dyed fabrics
- Environmental benefit of the ozone-clearing process
- Time and cost benefits of the ozone-clearing process |
| DOI : |
10.1111/cote.12102 |
| En ligne : |
https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12102 |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22074 |
in COLORATION TECHNOLOGY > Vol. 130, N° 5 (10/2014) . - p. 357-362
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