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    • 45. 发明授权
    • Motion imaging film comprising a carbon black-containing backing and a
process surviving conductive subbing layer
    • 运动成像薄膜包括含炭黑背衬和存活导电层的工艺
    • US5747232A
    • 1998-05-05
    • US806371
    • 1997-02-27
    • Charles C. AndersonMario D. DeLaura
    • Charles C. AndersonMario D. DeLaura
    • G03C7/22G03C1/85G03C1/825G03C1/835
    • G03C1/85Y10S430/135
    • In accordance with this invention, a photographic film especially suited for motion imaging film applications such as motion picture film or television film has on one side of a support material, in order, a process surviving, electrically conductive subbing layer, a photographic emulsion, and a protective overcoat; and on the opposite side a carbon black-containing backing layer, and optionally, a lubricant that overlies the backing layer. The carbon black-containing layer provides antihalation and antistatic protection for the unprocessed film. The conductive subbing layer retains its antistatic properties after processing so that the motion imaging film is protected from the generation of static charge after the carbon black-containing layer is removed during processing. The conductive subbing layer has a resistivity of less than 5.times.10.sup.9 .OMEGA./.quadrature. after film processing.
    • 根据本发明,特别适用于诸如电影胶片或电视胶片的运动成像胶片应用的照相胶片在一个支撑材料的一侧上,依次为工艺存活,导电底胶层,照相乳剂和 保护性外套; 并且在相对侧具有含炭黑的背衬层,以及任选的覆盖在背衬层上的润滑剂。 含炭黑层为未加工的膜提供防晕和抗静电保护。 导电性底层在加工后保持其抗静电性,使得运动成像膜在加工过程中除去含炭黑层后,不受静电荷的产生。 导电胶层的电阻率小于5×10 9欧姆/平方厘米。