申请人:Jungen Manfred
公开号:US20090255064A1
公开(公告)日:2009-10-15
The present invention relates to a process for dyeing fibre materials composed of natural or synthetic polyamides wherein an alkoxylated and quaternized fatty acid amine, preferably an oleylamine, is used as a leveling agent. The present compound leads to very uniform dyeings and is very effective in low concentrations.