1. A thermal dye transfer imaging element comprising a continuous layer of a mixture of two or more dyes comprising at least one blue dye having a central nucleus represented by the following formula (I):
wherein R₁ and R₂ each represents a hydrogen atom or C1-C16 alkyl group, and R₃ represents a hydrogen atom of C1-C6 alkyl group and at least one green dye having a central nucleus represented by the following formula (II):
wherein R₄ through R₉ each represents a hydrogen atom, an alkyl group, an alkoxy group, an aralkyl group, or an aryloxy group in a polymeric binder, said mixture comprising up to 99% by weight of the total weight of dye and binder, said continuous layer being bonded to a substrate.
1.一种热
染料转移成像元件,包括一层连续的两种或两种以上
染料的混合物,其中至少有一种蓝色
染料具有下式(I)表示的中心核:
其中 R₁ 和 R₂ 各自代表氢原子或 C1-C16 烷基,R₃ 代表 C1-C6 烷基的氢原子和至少一种具有下式(II)代表的中心核的绿色
染料:
其中 R₄ 至 R₉ 各自代表聚合物粘合剂中的氢原子、烷基、烷氧基、芳烷基或芳氧基,所述混合物占
染料和粘合剂总重量的 99%(按重量计),所述连续层粘合在基底上。