摘要:
Quinophthalone compound of Formula (1) or (2), mixed colorant, laser ray transmitting colored resin composition containing thereof, and laser-welded product. in each of Formulas (1) and (2), X : -O-L; L : hydrogen atom, alkyl, aryl; Y represents hydrogen atom, hydroxyl, mercapto, alkoxy, aryloxy, heterocyclic oxy, acyloxy, alkylsulfonyloxy, arylsulfonyloxy, alkoxycarbonyloxy, aryloxycarbonyloxy, alkylthio, arylthio, heterocyclic thio; R1 to R8 and R1 to R4 and R9 to R14: hydrogen atom, nitro, hydroxyl, mercapto, carboxyl, cyano, thiocyano, halogen atom, alkyl, cycloalkyl, aryl, amino, acyl, alkoxy, aryloxy, heterocyclic oxy, acyloxy, alkylsulfonyloxy, arylsulfonyloxy, alkoxycarbonyloxy, aryloxycarbonyloxy, alkoxycarbonyl, cycloalkyloxycarbonyl, aryloxycarbonyl, heterocyclic oxycarbonyl, carbamoyl, sulfamoyl, alkylsulfonyl, arylsulfonyl, alkylthio, arylthio, heterocyclic thio, alkoxysulfonyl, cycloalkyloxysulfonyl, aryloxysulfonyl, heterocyclic oxysulfonyl; at least one of R5 to R8 in Formula (1) is carboxyl, at least one of R9 to R14 in Formula (2) is carboxyl.