A PROCESS FOR DECOLOURING TEXTILES

The present invention relates to a process for providing a solid fraction from a textile product comprising a natural fibre and/or a synthetic fibre. The process involves the treatment of the textile product with a water-soluble salt of dithionous acid followed by a treatment of an aprotic solvent,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RASMUSSEN, EMIL, TODE, ANNA, HOJLAND, DITTE, ROSSEN, SIMON HUNDAHL, HOSTRUP, EMMA THONESEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BLEACHING LEATHER OR FURS CHEMISTRY COMPOSITIONS BASED THEREON DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING LAUNDERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a process for providing a solid fraction from a textile product comprising a natural fibre and/or a synthetic fibre. The process involves the treatment of the textile product with a water-soluble salt of dithionous acid followed by a treatment of an aprotic solvent, such as dimethyl sulfoxide. La présente invention concerne un procédé de fourniture d'une fraction solide à partir d'un produit textile comprenant une fibre naturelle et/ou une fibre synthétique. Le procédé comprend le traitement du produit textile avec un sel hydrosoluble d'acide dithioneux suivi d'un traitement d'un solvant aprotique, tel que le diméthylsulfoxyde.