DISAZO DYES HAVING A BENZTHIAZOLYL GROUP

摘要

Disazo dyes containing a benzthiazolyl group and corresponding to the general formula: in which A and G are optionally substituted benzene or naphthalene nuclei, D is not optionally substituted salicylaldehyde or o-hydroxy-naphthaldehyde nucleus and E is an optionally substituted o-aminothiophenol nucleus are provided. Metal-modified polypropylene dyed with the disazo dye has excellent fastness properties.