| 摘要 |
PURPOSE:To increase the capability to become sensitive, resistant to plasticizer and fading, and also become light-fast by using at least one kind of hydrogen- coupled complex of those of two different compounds as a coloring agent. CONSTITUTION:At least one kind of hydrogen-coupled complex of those of compounds is used as a coloring agent. These compounds expressed by formula I (wherein R<1> is a hydrogen atom or an allyl group with alkyl or halogen as a substituted group; R<2> is an alkyl group or an alkoxycarbonyl group) and formula II (wherein X is an electron-attractive group; m is an integer of 0 to 2; n is an integer of 1 or 2; R<3> and R<4> are a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkoxy group or an arlyl group; and R<5> is a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group or an allyl group). |
