申请人:Eastman Kodak Company
公开号:US06140031A1
公开(公告)日:2000-10-31
Disclosed is a silver halide photographic element comprising a support bearing a light sensitive silver halide emulsion layer and a cyclic azole dye forming coupler associated with a stabilizer having the following Formula S: ##STR1## wherein: R.sub.1 represents an alkyl or cycloalkyl group, an alkenyl group or an aryl group; R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent; L represents a covalent bond or a divalent linking group; X represents O, S, SO, SO.sub.2, or NR.sub.4, or --O--X.sub.2 --O--; R.sub.4 represents H, alkyl, --CH.sub.2 CH(OH)CH.sub.2 OR.sub.5, or --COR.sub.6 ; R.sub.5 and R.sub.6 represent alkyl groups; Y represents a hydrogen bond donating group; X.sub.2 represents BR.sub.7, PR.sub.8, P(O)R.sub.9, SO, or SO.sub.2 ; R.sub.7 -R.sub.9 each represents phenoxy which may be substituted by 1 to 3 alkyl, alkoxy, or halogen groups; Z.sub.1 and Z.sub.2 each represents an alkylene group of 1 to 3 carbon atoms, which may be substituted, provided that the total number of carbon atoms in the ring is 3 to 6; p and q each represents an integer of 0 to 4.
揭示了一种银卤素感光元素,包括一个支撑物,其承载有一层光敏的银卤素乳胶层和一个与稳定剂相关的环状唑类染料形成偶合剂,该稳定剂具有以下S式:##STR1## 其中:R.sub.1代表烷基或环烷基、烯基或芳基;R.sub.2和R.sub.3每个代表氢原子或取代基;L代表共价键或二价连接基;X代表O、S、SO、SO.sub.2或NR.sub.4,或--O--X.sub.2--O--;R.sub.4代表H、烷基、--CH.sub.2CH(OH)CH.sub.2OR.sub.5或--COR.sub.6;R.sub.5和R.sub.6代表烷基;Y代表氢键供体基团;X.sub.2代表BR.sub.7、PR.sub.8、P(O)R.sub.9、SO或SO.sub.2;R.sub.7-R.sub.9每个代表苯氧基,该苯氧基可以被1至3个烷基、烷氧基或卤素基取代;Z.sub.1和Z.sub.2每个代表1至3个碳原子的烷基,可以取代,但环中碳原子的总数应为3至6;p和q每个代表0至4的整数。