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    • 2. 发明授权
    • Photographic element containing an electrically-conductive layer
    • 含有导电层的摄影元件
    • US06440654B1
    • 2002-08-27
    • US09825325
    • 2001-04-03
    • Charles C. AndersonMario D. DeLauraDebasis Majumdar
    • Charles C. AndersonMario D. DeLauraDebasis Majumdar
    • G03C189
    • G03C1/7614G03C1/85G03C1/89G03C5/28G03C7/00G03C2001/7635G03C2200/41
    • A photographic imaging element is disclosed which comprises a support having on one side thereof at least one silver halide emulsion layer and having, in order, on the opposite side thereof an electrically-conductive layer coated from a coating composition comprising a polythiophene/polyanion composition containing a polythiophene with conjugated polymer backbone component and a polymeric polyanion component, and a protective topcoat comprised of a polyurethane binder which has a tensile elongation to break of at least 50% and a Young's modulus measured at 2% elongation of at least 50000 lb/in2; wherein the electrical resistivity of the electrically-conductive layer before photographic processing is less than 2×109 &OHgr;/□, after photographic processing is between 1×109 &OHgr;/□ and 1×1011 &OHgr;/□, and increases by at least one order of magnitude as a result of photographic processing. Photographic imaging elements of the invention effectively minimize both raw (pre-photographic processing) static marking and processed (after photographic processing) photographic element sticking caused by the accumulation of electrostatic charges, and additionally have excellent resistance to scratch and abrasion.
    • 公开了一种照相成像元件,其包括在其一侧上具有至少一个卤化银乳剂层的支撑体,并且依次在其相对侧上具有由包含聚噻吩/聚阴离子组合物的涂层组合物涂覆的导电层,所述涂料组合物含有 具有共轭聚合物主链组分的聚噻吩和聚合物聚阴离子组分,以及由聚氨酯粘合剂组成的保护性面漆,所述聚氨酯粘合剂具有至少50%的拉伸伸长率和至少50000磅/英寸2的2%伸长时测量的杨氏模量 ; 其中在照相处理之前导电层的电阻率小于2×10 9欧米亚/平方厘米,在照相处理在1×10 9欧米亚/平方英寸和1×10 11欧米加/平方之间,并且由于照相而增加至少一个数量级 处理。 本发明的摄影成像元件有效地使原始(预照相处理)静态标记和由静电电荷累积引起的(照相处理)照相元件粘附之后的处理(另外具有优异的耐划伤和磨损性)。
    • 10. 发明授权
    • Photographic element containing two electrically-conductive agents
    • 含有两种导电剂的摄影元件
    • US6140030A
    • 2000-10-31
    • US305934
    • 1999-05-06
    • Charles C. AndersonMario D. DeLaura
    • Charles C. AndersonMario D. DeLaura
    • G03C1/76G03C1/77G03C1/775G03C1/79G03C1/795G03C1/85G03C1/89
    • G03C1/85G03C1/76G03C1/77G03C1/775G03C1/79G03C1/795G03C1/7954G03C1/853G03C1/89
    • In accordance with the present invention a photographic element contains a first electrically-conductive layer and a second electrically-conductive layer. The first conductive layer has an electrical resistivity of less than 1.times.10.sup.9 .OMEGA./.quadrature. before film processing and an electrical resistivity of greater than 1.times.10.sup.11 .OMEGA./.quadrature. after film processing. The second conductive layer has an electrical resistivity of between 1.times.10.sup.9 .OMEGA./.quadrature. and 1.times.10.sup.11 .OMEGA./.quadrature. both before and after film processing. Both of the electrically-conductive layers are transparent. In an alternative embodiment, the photographic element contains a transparent electrically-conductive layer containing a first electrically-conductive agent and a second electrically-conductive agent. The electrically-conductive layer has an electrical resistivity of less than 1.times.10.sup.9 .OMEGA./.quadrature. before film processing and has an electrical resistivity of between 1.times.10.sup.9 .OMEGA./.quadrature. and 1.times.10.sup.11 .OMEGA./.quadrature. after film processing. The first conductive agent is one in which the conductive properties of the material do not survive film processing. The second conductive agent is one in which the conductive properties of the material are substantially unaffected as a result of film processing.
    • 根据本发明,照相元件包含第一导电层和第二导电层。 第一导电层在薄膜处理之前具有小于1×10 9欧姆/平方厘米的电阻率,并且在电影处理之后的电阻率大于1×10 11欧姆/平方厘米。 第二导电层在膜加工之前和之后具有介于1×10 9欧姆/平方和1×10 11欧姆/平方的电阻率。 两个导电层都是透明的。 在替代实施例中,照相元件包含含有第一导电剂和第二导电剂的透明导电层。 导电层在膜加工之前的电阻率小于1×10 9欧姆/平方厘米,并且在电影处理之后具有介于1×10 9欧姆/平方和1×10 11欧姆/平方米之间的电阻率。 第一导电剂是其中材料的导电性能不能经受薄膜加工的导电性能。 第二导电剂是其中材料的导电性能作为薄膜加工的结果基本上不受影响的导电剂。