| abstract |
The present invention is selected from (A) 1,3,4-thiadiazole-type blue basic dye and (B) formalin concentrate of naphthalenesulfonic acid, formalin concentrate of alkylnaphthalenesulfonic acid, lignin sulfonic acid and polystyrenesulfonic acid A basic dye composition comprising at least one anionic dispersant. The basic dye composition of the present invention makes less coloring of the polyester portion in the human body, such as the fingers of an operator, dyeing apparatus, and union fibers of basic dye-chlorinated synthetic fibers and polyester fibers, and has excellent compatibility with other dyes. . |