| 摘要 |
PURPOSE:To obtain the titled dye composition of both high light fastness and heat resistances, suitable for dyeing polyester fiber, etc., by blending specific two kinds of dyes in specified proportion. CONSTITUTION:The objective composition can be obtained by blending (A) 95-20 (pref. 90-50)wt% of a dye of formula I (X is H, halogen, lower alkyl or lower alkoxy) and (B) 5-80 (pref. 10-50)wt% of a second dye of formula II (Z, Y1, Y2 are each H or halogen; ring A is either benzene or naphthalene ring at which carboxylic ester group may be substituted).
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