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    • 2. 发明授权
    • Protective layer for gelatin based AGX photographic products
    • 用于明胶基AGX摄影产品的保护层
    • US5952130A
    • 1999-09-14
    • US136375
    • 1998-08-19
    • Hwei-Ling YauTienteh ChenJeffrey F. TaylorElmer C. FloodDavid E. Decker
    • Hwei-Ling YauTienteh ChenJeffrey F. TaylorElmer C. FloodDavid E. Decker
    • G03C1/76G03C1/85G03C5/14G03C11/08G03C1/775G03C1/795
    • G03C11/08G03C1/85G03C5/14
    • The present invention is an imaged photographic element which includes a support, at least one light sensitive silver halide emulsion layer superposed on the support, and an overcoat layer overlying the light sensitive silver halide emulsion layer. The protective overcoat includes a first water insoluble polymer having a Tg less than 25.degree. C. and a second water insoluble polymer having a Tg greater than 25.degree. C. The first or second polymer is composed of a monomer at a weight percent of 20 to 100 having the following formula ##STR1## wherein: X is selected from the group consisting of --Cl, --F, and --CN, and Y is each independently selected from the group consisting of H, Cl, F, CN, CF.sub.3, CH.sub.3, C.sub.2 H.sub.5, n--C.sub.3 H.sub.7, iso--C.sub.3 H.sub.7, n--C.sub.4 H.sub.9, n--C.sub.5 H.sub.11, n--C.sub.6 H.sub.13, OCH.sub.3, OC.sub.2 H.sub.5, phenyl C.sub.6 F.sub.5, C.sub.6 Cl.sub.5, CH.sub.2 Cl, CH.sub.2 F, C.sub.2 F.sub.5, n--C.sub.3 F.sub.7, iso--C.sub.3 F.sub.7, OCF.sub.3, OC.sub.2 F.sub.5, OC.sub.3 F.sub.7, C(CF.sub.3).sub.3, CH.sub.2 (CF.sub.3), CH(CF.sub.3).sub.2, --COCF.sub.3, COC.sub.2 F.sub.5, COCH.sub.3, COC.sub.2 H.sub.5.
    • 本发明是一种成像的照相元件,其包括载体,叠加在载体上的至少一种感光卤化银乳剂层和覆盖在感光卤化银乳剂层上的外涂层。 保护性外涂层包括Tg小于25℃的第一水不溶性聚合物和Tg大于25℃的第二水不溶性聚合物。第一或第二聚合物由重量百分比为20至 100,其中:X选自-Cl,-F和-CN,Y各自独立地选自H,Cl,F,CN,CF 3,CH 3,C 2 H 5, 正C 3 H 7,异-C 3 H 7,n-C 4 H 9,n -C 5 H 11,n-C 6 H 13,OCH 3,OC 2 H 5,苯基C 6 F 5,C 6 Cl 5,CH 2 Cl,CH 2 F,C 2 F 5,n -C 3 F 7,异-C 3 F 7,OCF 3,OC 2 F 5,OC 3 F 7,C (CF 3)3,CH 2(CF 3),CH(CF 3)2,-COCF 3,COC 2 F 5,COCH 3,COC 2 H 5。