申请人:MINNESOTA MINING AND MANUFACTURING COMPANY
公开号:EP0508573A1
公开(公告)日:1992-10-14
Dye donor sheets comprising a substrate having a coating comprising a binder and at least one neutral 1 :1 metal-azo or neutral 1 :1 metal-azomethine dye having the general structure :
wherein
Z1 and Z2 each independently represent an arene nucleus, having from 5 to 14 ring atoms ;
G1 and G2 each independently represent a metal ligating group, and further wherein G1 and G2 may be contained within or pendant from at least one of Z1 and Z2 ;
R represents a hydrogen atom, a halogen atom, an alkyl group, an acylamino group, an alkoxy group, a sulfonarmido group, an aryl group, a thiol group, an alkylthio group, an arylthio group, an alkylamino group, an arylamino group, an amino group, an alkoxycarbonyl group, an acyloxy group, a nitro group, a cyano group, a sulfonyl group, a sulfoxyl group, an aryloxy group, a hydroxy group, a thioanido group, a carbamoyl group, a sulfamoyl group, a carboxyl group, a sulfo group, a formyl group, an acyl group, a ureido group, or aryloxycarbonyl group, a silyl group, a carbonato group ; or a sulfoalkoxy group ;
L is any combination of monodentate, bidentate, or tridentate ligands which satisfy the coordination requirements of the metal ;
X represents nitrogen or a methine (CH) group ;
M is a divalent or polyvalent transition metal where the coordination number is at least four, and
k, m, and n are whole members less than or equal to 3. Use of the above constructions in thermal dye transfer imaging is also disclosed.
染料给体薄片,包括具有涂层的基底,涂层包括粘合剂和至少一种中性 1:1 金属偶氮染料或中性 1:1 金属偶氮甲胺染料,染料的一般结构为......:
其中
Z1 和 Z2 各自独立地代表一个具有 5 至 14 个环原子的炔核;
G1 和 G2 各自独立地代表一个金属连接基团,其中 G1 和 G2 可包含在 Z1 和 Z2 中的至少一个内或悬垂于其中;
R 代表氢原子、卤素原子、烷基、酰氨基、烷氧基、磺酰氨基、芳基、硫醇基、烷硫基、芳硫基、烷基氨基、芳基氨基、氨基、烷氧基羰基、酰氧基、硝基、氰基、烷基羰基、烷氧基羰基、烷氧基羰基、烷氧基羰基、酰氧基硝基、氰基、磺酰基、磺酰胺基、芳氧基、羟基、硫酰胺基、氨基甲酰基、氨基磺酰基、羧基、磺酰基、甲酰基、酰基、脲酰基或芳氧羰基、硅烷基、碳酸基;或磺烷氧基;
L 是满足金属配位要求的单齿、双齿或三齿配体的任意组合;
X 代表氮或甲烷(CH)基团;
M 是配位数至少为四的二价或多价过渡金属,且
k、m 和 n 是小于或等于 3 的整数。 上述结构在热染料转移成像中的应用也已公开。