Light sensitive silver halide element having photographic film base with
improved curl stability
    62.
    发明授权
    Light sensitive silver halide element having photographic film base with improved curl stability 失效
    具有摄影底片的感光卤化银元件具有改善的卷曲稳定性

    公开(公告)号:US5288601A

    公开(公告)日:1994-02-22

    申请号:US95137

    申请日:1993-07-21

    摘要: The invention contemplates a light-sensitive silver halide photographic element having at least one silver halide containing emulsion layer on a film base, the film base being a coextruded laminate having a first layer and a second layer, the first layer being a polyester of an aromatic dicarboxylic acid or a dialkyl ester thereof and an alkylene glycol adjacent to the emulsion layer, the second layer being a polyester having a humidity expansion coefficient greater than 5.times.10.sup.-5 ##EQU1## (RH is relative humidity) and a Young's modulus at 50% relative humidity greater than 300 kPSI.

    摘要翻译: 本发明涉及一种感光卤化银照相元件,其在膜基底上具有至少一个含有卤化银的乳剂层,所述膜基底是具有第一层和第二层的共挤压叠层,所述第一层是芳族聚酯 二羧酸或其二烷基酯和与乳液层相邻的亚烷基二醇,第二层是湿度膨胀系数大于5×10-5(*化学结构*)(RH是相对湿度)的聚酯, 50%相对湿度下的模量大于300 kPSI。