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    • 1. 发明授权
    • Silver halide photographic element containing crosslinked copolymers
    • 含有交联共聚物的卤化银照相元件
    • US4677050A
    • 1987-06-30
    • US903888
    • 1986-09-04
    • Shigeki YokoyamaTakayuki InayamaNaohiko SugimotoTakashi Naoi
    • Shigeki YokoyamaTakayuki InayamaNaohiko SugimotoTakashi Naoi
    • G03C1/053G03C1/76
    • G03C1/053
    • A silver halide photographic material is described, comprising a support having thereon at least one layer containing a cross-linked polymer represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom or an unsubstituted or substituted alkyl group; R.sub.3 represents a hydrogen atom, an unsubstituted or substituted alkyl group, cycloalkyl group, aryl group, or acyl group; R.sub.4 represents a hydrogen atom or an unsubstituted or substituted alkyl group; or R.sub.3 and R.sub.4 together form a ring; L represents a divalent, trivalent or tetravalent connecting group; l represents 0 or 1; m represents an integer of 1 to 3; n represents an integer of 1 to 10; A represents a polymeric unit formed by copolymerizing an ethylenically unsaturated and copolymerizable monomer; B represents a polymeric unit formed by copolymerizing a copolymerizable cross-linking monomer containing at least two copolymerizable and ethylenically unsaturated groups; M represents a cation; w represetns 10 to 95 mol %; x represents 3 to 88 mol %; y represents 0 to 50 mol %, and z represents 2 to 30 mol %.
    • 描述了一种卤化银照相材料,其包括其上具有至少一层含有由式(I)表示的交联聚合物(I)的载体的载体,其中R 1和R 2各自表示氢原子或未取代或取代的烷基 组; R3表示氢原子,未取代或取代的烷基,环烷基,芳基或酰基; R4表示氢原子或未取代或取代的烷基; 或R3和R4一起形成环; L表示二价,三价或四价连接基团; l表示0或1; m表示1〜3的整数, n表示1〜10的整数, A表示通过烯键式不饱和和可共聚单体共聚形成的聚合单元; B表示通过共聚含有至少两个可共聚的和烯属不饱和基团的可共聚的交联单体形成的聚合物单元; M表示阳离子; w表示10〜95 mol%; x表示3〜88摩尔%。 y表示0〜50摩尔%,z表示2〜30摩尔%。
    • 6. 发明授权
    • Silver halide photographic materials
    • 卤化银照相材料
    • US4999276A
    • 1991-03-12
    • US372750
    • 1989-06-28
    • Ken-ichi KuwabaraKunio IshigakiTakayuki Inayama
    • Ken-ichi KuwabaraKunio IshigakiTakayuki Inayama
    • G03C1/06G03C1/38G03C1/85
    • G03C1/061G03C1/385G03C1/853
    • A silver halide photographic material which comprises a support having thereon at least one of silver halide emulsion layer and other hydrophilic colloid layer where at least one of said silver halide emulsion layer and other hydrophilic colloid layer contains a hydrazine derivative represented by formula (I), and also having thereon, as a constitutional layer, at least one electroconductive layer having a surface resistivity of 1.times.10.sup.12 .OMEGA. or less in an atmosphere of 25.degree. C. and 25% RH; ##STR1## wherein R.sub.1 represents an aliphatic group or an aromatic group; R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, a carbamoyl group or an oxycarbonyl group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, ##STR2## or an iminomethylene group; A.sub.1 and A.sub.2 are both hydrogen atoms, or one of them represents a hydrogen atom and the other represents a substituted or unsubstituted alkylsulfonyl group, a substituted or unsubstituted arylsulfonyl group, or a substituted or unsubstituted acyl group. The material can be processed with a stable developer under a bright room condition to give a high contrast image. The material processed has negligible pinholes.
    • 一种卤化银照相材料,其包含其上具有卤化银乳剂层和其它亲水胶体层中的至少一种的载体,其中所述卤化银乳剂层和其它亲水胶体层中的至少一种含有式(I)表示的肼衍生物, 并且在25℃和25%RH的气氛中还具有作为结构层的表面电阻率为1×10 12欧米埃或更低的至少一种导电层; (I)其中R1表示脂族基团或芳族基团; R2表示氢原子,烷基,芳基,烷氧基,芳氧基,氨基,氨基甲酰基或氧羰基; G1表示羰基,磺酰基,亚砜氧基,亚氨基亚甲基, A1和A2都是氢原子,或者它们中的一个表示氢原子,另一个表示取代或未取代的烷基磺酰基,取代或未取代的芳基磺酰基或取代或未取代的酰基。 该材料可以在明亮的房间条件下用稳定的显影剂处理,以产生高对比度图像。 处理的材料具有可忽略的针孔。