Photothermographic recording material comprising sensitizing dyes and a recording process therefor
申请人:AGFA-GEVAERT N.V.
公开号:EP0821266A1
公开(公告)日:1998-01-28
A photothermographic recording material comprising a support and a photo-addressable thermally developable element comprising a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith, photosensitive silver halide spectrally sensitized with a dye and in catalytic association with the substantially light-insensitive organic silver salt and a binder, characterized in that the dye corresponds to the general formula (I):
with an anion if necessary for charge compensation, wherein Z1 and Z2 independently represent S, O or Se; R1 and R13 independently represent an alkylene group; X1 and X2 independently represent a -(C=O)-R18, a -(SO2)-R19 or a -(S=O)-R20 group where R18, R19 and R20 independently represent an alkoxy-, aryloxy-, amino- or substituted amino-group; R2, R3, R4, R5, R14, R15, R16 and R17 independently represent hydrogen, chlorine, bromine, fluorine, iodine or a keto-, sulfo-, carboxy-, ester-, sulfonamide-, amide-, dialkylamino-, nitro-, cyano-, alkyl-, alkenyl-, hetero-aromatic, aryl-, alkoxy- or aryloxy-group, which groups may be substituted; or each of R2 together with R3, R3 together with R4, R4 together with R5, R14 together with R15, R15 together with R16 and R16 together with R17 may independently constitute the atoms necessary to complete a benzene ring which may be substituted; R6, R7, R8, R9, R10, R11 and R12 independently represent hydrogen, chlorine, bromine, fluorine, iodine, an alkyl group, a substituted alkyl group, an alkoxy group, an aryloxy group, a thioalkyl group, a disubstituted amino group, where the substituents may constitute the atoms necessary to complete a 5-ring atom or 6-ring atom heterocyclic ring, or each of R6 together with R8, R8 together with R10, R10 together with R12, R7 together with R9 and R9 together with R11 may independently constitute the atoms necessary to complete a 5-atom or 6-atom carbocylic or heterocyclic ring which may be substituted; and each of R1 together with R6 and R13 together with R12 may independently constitute the atoms necessary to complete a 5-ring atom or 6-ring atom heterocyclic ring which may be substituted.
一种光热成像记录材料,包括一个支撑体和一个可光敏热显影元件,该元件包括基本上不感光的有机银盐、与之有热工作关系的还原剂、用染料分光敏化并与基本上不感光的有机银盐和粘合剂催化结合的光敏卤化银,其特征在于染料对应于通式(I):
其中 Z1 和 Z2 独立地代表 S、O 或 Se;R1 和 R13 独立地代表亚烷基;X1 和 X2 独立地代表-(C=O)-R18、-(SO2)-R19 或-(S=O)-R20 基团,其中 R18、R19 和 R20 独立地代表烷氧基、芳氧基、氨基或取代氨基;R2、R3、R4、R5、R14、R15、R16 和 R17 独立地代表氢、氯、溴、氟、碘或酮基、磺基、羧基、酯基、磺酰胺基、酰胺基、二烷基氨基、硝基、氰基、烷基、烯基、杂芳基、芳基、烷氧基或芳氧基,这些基团可以被取代;或 R2 连同 R3、R3 连同 R4、R4 连同 R5、R14 连同 R15、R15 连同 R16 和 R16 连同 R17 中的每一个可独立构成完成苯环所需的原子,该苯环可被取代;R6、R7、R8、R9、R10、R11 和 R12 可独立代表氢、氯、溴、氟、碘、烷基、取代烷基、烷氧基、芳氧基、硫代烷基、二取代氨基,其中取代基可构成完成 5 环原子或 6 环原子杂环所需的原子、或 R6 与 R8、R8 与 R10、R10 与 R12、R7 与 R9 和 R9 与 R11 中的每一个可独立构成完成可被取代的 5 原子或 6 原子碳环或杂环所需的原子;R1 与 R6 和 R13 与 R12 可各自独立地构成完成可被取代的 5 环原子或 6 环原子杂环所需的原子。