Method for dyeing textile materials in a supercritical fluid

In a method for dyeing textile material with one or more fibre-reactive disperse dyestuffs in a supercritical or almost critical fluid, such as CO2, which textile material is selected from the group consisting of silk, wool and cellulose, combinations thereof and combinations of one or more thereof...

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Bibliographische Detailangaben
Hauptverfasser:	GOOIJER, HENDRIK, GERRITSEN, JAN WILLEM, VEUGELERS, WILHELMUS JOHANNES THEODORUS, WOERLEE, GEERT FEYE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TEXTILES THEIR RELEVANT APPARATUS TRANSPORTING TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	In a method for dyeing textile material with one or more fibre-reactive disperse dyestuffs in a supercritical or almost critical fluid, such as CO2, which textile material is selected from the group consisting of silk, wool and cellulose, combinations thereof and combinations of one or more thereof with synthetic fibres, such as polyester and/or polyamide, the relative humidity of the fluid is in the range from 10-100% during dyeing. Textile materials which have been dyed with the aid of this method have properties which are at least equal to those of textile materials of the same type which have been dyed in the traditional manner using water-soluble dyestuffs. A device for carrying out the dyeing method is also disclosed.