Coating composition for a protecting layer for gelatin based photographic products containing a 1H-pyrazolo-[1,5-b][1,2,4]-triazole-type magenta coupler
申请人:EASTMAN KODAK COMPANY
公开号:EP1069472A1
公开(公告)日:2001-01-17
An overcoat composition comprising a water insoluble polymer having a Tg equal to or less than 30 °C and comprising 75 to 100 weight percent of the monomer having the following formula:
wherein: X is selected from the group consisting of Cl, F or CN, and Y is each independently selected from the group consisting of H, Cl, F, CN, CF3, CH3, C2H5, n-C3H7, iso-C3H7, n-C4H9, n-C5H11, n-C6H13, OCH3, OC2H5, phenyl, C6F5, C6Cl5, CH2Cl, CH2F, C2F5, n-C3F7, iso-C3F7, OCF3, OC2F5, OC3F7, C(CF3)3, CH2(CF3), CH(CF3)2, COCF3, COC2F5, COCH3, COC2H5; and wherein said overcoat composition being superposed on an imaged light sensitive silver halide emulsion layer on a support, said silver halide emulsion layer containing 1H-pyrazolo[1,5-b][1,2,4]triazole type of magenta coupler. Optionally, the polymer composition may contain a second polymer having a Tg greater than 30 °C.
一种外涂层组合物,包含一种水不溶性聚合物,其 Tg 等于或小于 30 °C,并包含重量百分比为 75-100 的下式单体:
其中X选自由Cl、F或CN组成的组,Y各自独立地选自由H、Cl、F、CN、CF3、CH3、C2H5、n-C3H7、iso-C3H7、n-C4H9、n-C5H11、n-C6H13、OCH3、OC2H5、苯基、C6F5、C6Cl5、CH2Cl、CH2F、C2F5、n-C3F7、异-C3F7、OCF3、OC2F5、OC3F7、C(CF3)3、CH2(CF3)、CH(CF3)2、COCF3、COC2F5、COCH3、COC2H5;其中,所述外涂层组合物叠加在支撑体上的成像光敏卤化银乳剂层上,所述卤化银乳剂层含有 1H-吡唑并[1,5-b][1,2,4]三唑类品红耦合剂。可选地,聚合物组合物可包含第二种聚合物,其 Tg 大于 30 °C。