Process for dyeing wool or wool/synthetic blends

摘要

A process for dyeing wool or wool/synthetic blends with 1:1 metal complex dyes or acid metal-free wool dyes from a strongly acid aqueous bath, which comprises dyeing said material in the presence of P P(a) a quaternization product of a polyalkylene oxide adduct of a fatty amine containing at least 16 carbon atoms and 15 to 100 moles of alkylene oxide, andPP(b) a free or etherified N- methylolurea or N-methylolmelamine.