| 摘要 |
PROBLEM TO BE SOLVED: To obtain ink capable of providing colored parts of color filter having good transparency, little bleeding, good adhesive properties and good light- fastness when discharged in ink-jet system by including a pyrazolone dye. SOLUTION: This ink is obtained by including (A) a pyrazolone dye of formula I [R1 and R2 are each H, a halogen, nitro, a 1-5C alkyl or the like; R3 and R4 are each SO3 (M2) (M2 is a univalent alkali metal or NH4 <+> )]. And a mixing dye consisting of the component A and (B) a phthalocyanine dye of formula II [Pc is a phthalocyanine skeleton; M3 is Cr, Zn or Ni; M4 is a univalent alkali metal or NH4 <+> ; R5 and R6 are each H, (substituted)amido or the like; R7 and R8 are each a 1-5C alkyl; R9 is COOH or the like; (n) is 0-2] at the weight ratio of (1:4) to (4:1) is preferably used. The subject ink preferably includes 0.1-15 wt.% above mentioned dye. |
