1555-68-6Relevant articles and documents
Process for the dyeing of leather with anionic dyes and polyaminoamide resin as dyeing auxiliary
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, (2008/06/13)
To improve the affinity of anionic dyestuffs in the dyeing of leather materials, polycondensation products consisting of at least one amine of the formula STR1 in which the radicals have the meanings mentioned in the description with one dicarboxylic acid and, if desired, ω-aminocarboxylic acid or its lactam are highly suitable.