Compositions containing water-soluble "reactive" dyestuffs

The invention provides stable liquid compositions of water soluble reactive dyes which contain caprolactam. The liquid compositions specifically comprise an aqueous solution containing at least 15% by weight, preferably at least 20% of a water-soluble reactive dye and at least 10% of caprolactam. Th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DAWSON FRED, TOMLINSON RICHARD WILLIAM, TOPHAM ARTHUR
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES DYES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAKES LAUNDERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	The invention provides stable liquid compositions of water soluble reactive dyes which contain caprolactam. The liquid compositions specifically comprise an aqueous solution containing at least 15% by weight, preferably at least 20% of a water-soluble reactive dye and at least 10% of caprolactam. The compositions may be made by mixing the dyestuff with caprolactam, conveniently an aqueous filtercake of the dye is mixed with caprolactam and if required more water. Other water soluble substances such as inorganic salts or known solution assistants may be present.