申请人:KEMIRA OYJ
公开号:WO2012072635A1
公开(公告)日:2012-06-07
The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.
本发明涉及新的偶氮染料,其制备方法以及它们用于染色或印刷纤维材料的用途,以产生带有棕色调的材料。