Process for dyeing polyamide fibres

Polyamide fibre materials are dyed with acid dyestuffs and/or metal complex dyestuffs in the presence of compounds of the formula in which R represents a C4-C12-alkyl, C1-C12-alkoxy, phenyl, cyclohexyl or C2-C10-hydroxyalkoxy radical, R1 represents hydrogen or a C1-C4-alkyl radical, n represents an...

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Bibliographische Detailangaben
Hauptverfasser: FIEGEL, JOACHIM, WALZ, KLAUS
Format: Patent
Sprache:eng
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Zusammenfassung:Polyamide fibre materials are dyed with acid dyestuffs and/or metal complex dyestuffs in the presence of compounds of the formula in which R represents a C4-C12-alkyl, C1-C12-alkoxy, phenyl, cyclohexyl or C2-C10-hydroxyalkoxy radical, R1 represents hydrogen or a C1-C4-alkyl radical, n represents an integer from 1 to 10 and m represents a number from 1 to n+1, or water-soluble salts thereof.