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    • 66. 发明授权
    • Photographic paper backing containing polymeric primary amine addition
salt
    • 含有聚合伯胺加成盐的照相纸背衬
    • US6077656A
    • 2000-06-20
    • US305933
    • 1999-05-06
    • Debasis MajumdarCharles C. AndersonRichard A. Castle
    • Debasis MajumdarCharles C. AndersonRichard A. Castle
    • G03C1/053G03C1/79G03C1/85G03C1/89
    • G03C1/85G03C1/053
    • The present invention is a photographic element including a substrate with a polyolefin resin layer, which is preferably polypropylene, on each surface of the said substrate. The photographic paper includes a print or backmark retaining and spliceable antistatic layer having a dry coverage of from 10 mg/m.sup.2 to 10,000 mg/m.sup.2 on one of the free surfaces of the polyolefin layers. An imaging layer may be superimposed on the other free surface of the polyolefin layers. The antistatic layer includes a (i) conductive agent, preferably a combination of an alkali metal salt and a polymerized alkylene oxide, (ii) a positively charged colloidal oxide sol and (iii) a film forming binder which is an interpolymer of a primary amine addition salt with a peel strength of 200 g or above on the polyolefin surface on which the antistatic layer of the present invention is to be formed. The antistatic layer is expected to provide surface electrical resistivity of less than 12 log .OMEGA./, preferably equal to or less than 11 log .OMEGA./, and excellent backmark retention characteristics and spliceability for commercial photofinishing equipment such as the Gretag CLAS 35 printers.
    • 本发明是在所述基板的每个表面上包括具有聚烯烃树脂层的基材(其优选为聚丙烯)的照相元件。 照相纸包括在聚烯烃层的一个自由表面上具有10mg / m 2至10,000mg / m 2的干覆盖率的印刷或背面保持和可拼接的抗静电层。 成像层可以叠加在聚烯烃层的另一自由表面上。 抗静电层包括(i)导电剂,优选碱金属盐和聚合的烯化氧的组合,(ii)带正电荷的胶体氧化物溶胶和(iii)作为伯胺的互聚物的成膜粘合剂 在其上将形成本发明的抗静电层的聚烯烃表面上具有剥离强度为200g以上的加成盐。 预计抗静电层的表面电阻率小于12log OMEGA / + Z,优选等于或小于11log OMEGA / + Z,以及商业照相洗印加工设备(如Gretag CLAS 35)的优异的背标保持特性和可拼接性 打印机
    • 67. 发明授权
    • Coating compositions and imaging elements containing a layer comprising
solvent-dispersed polyurethanes
    • 涂料组合物和含有溶剂分散聚氨酯层的成像元件
    • US06043015A
    • 2000-03-28
    • US201943
    • 1998-12-01
    • Kenneth L. TinglerCharles C. Anderson
    • Kenneth L. TinglerCharles C. Anderson
    • G03C1/95G03C1/93G03C1/76G03C1/805G03C8/56
    • G03C1/95
    • An imaging element is described comprising a support material having thereon at least one image-forming layer and at least one layer coated from a composition containing a dispersion of aqueous dispersible polyurethane polymer particles dispersed in a continuous liquid phase comprising primarily water-miscible organic solvent. A coating composition for coating a polyurethane layer on a moving film support is also described comprising a dispersion of aqueous dispersible polyurethane polymer particles dispersed in a continuous liquid phase comprising primarily water-miscible organic solvent, said composition having a concentration of from 0.1 to 20 wt percent total solids and a viscosity of from 0.5 to 50 centipoise. The coating compositions in accordance with this invention have unique coating rheologies and provide layers for imaging elements having excellent film forming and physical and mechanical properties.
    • 描述了一种成像元件,其包括其上具有至少一个图像形成层的支撑材料和由包含分散在主要包含水混溶性有机溶剂的连续液相中的水分散性聚氨酯聚合物颗粒的分散体的组合物涂覆的至少一层。 还描述了用于在移动薄膜载体上涂覆聚氨酯层的涂料组合物,其包含分散在主要包含水混溶性有机溶剂的连续液相中的水分散性聚氨酯聚合物颗粒的分散体,所述组合物的浓度为0.1-20wt 总固体百分比和粘度为0.5至50厘泊。 根据本发明的涂料组合物具有独特的涂料流变性,并为具有优异成膜性和物理和机械性能的成像元件提供层。