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    • 1. 发明公开
    • Delamination systems for photographic print materials
    • 电影制作人(Delaminierungssystemefürphotoische Aufnahmematerialien)。
    • EP0562619A1
    • 1993-09-29
    • EP93105038.9
    • 1993-03-26
    • EASTMAN KODAK COMPANY
    • Lynch, William Paul, c/o EASTMAN KODAK COMPANYTexter, John, c/o EASTMAN KODAK COMPANY
    • G03C8/50G03C11/12G03F7/34
    • B32B43/006G03C8/50G03C11/12G03F7/343Y10S264/47
    • The objects of the invention are generally accomplished by a method of delaminating imaging materials comprising providing an imaging material comprising donor and receiver elements, heating said imaging material, applying opposed forces to said donor and receiver elements to separate said imaging material into donor and receiver elements, and accumulating the separated donor element. In a preferred method one or both of said opposed forces is vacuum and when the vacuum is released from said donor element, accumulating takes place by spooling after separation.
      The apparatus for delamination of imaging materials comprises means for applying heat and pressure to said imaging material, means to apply a separating force to at least one of said donor element and receiver element forming said imaging material and means to separate said donor element and said receiver element. In a preferred embodiment the apparatus further comprises means to spool said donor element and means to preheat said imaging material prior to applying said separating force.
    • 本发明的目的通常通过一种分层成像材料的方法来实现,该方法包括提供包括施主和接收元件的成像材料,加热所述成像材料,向所述供体和接收元件施加相反的力以将所述成像材料分成供体和接收元件 并且累积分离的供体元件。 在优选的方法中,所述相对的力中的一个或两个是真空的,并且当真空从所述供体元件释放时,通过分离后的卷绕进行累积。 用于成像材料分层的装置包括用于向所述成像材料施加热和压力的装置,用于向形成所述成像材料的所述施主元件和接收器元件中的至少一个施加分离力的装置以及将所述施主元件和所述接收器 元件。 在优选实施例中,该装置还包括在施加所述分离力之前卷绕所述供体元件的装置和用于预热所述成像材料的装置。
    • 5. 发明公开
    • Solid particle thermal solvent dispersions
    • Dispersionen fester Teilchen mit einem heatenLösungsmittel。
    • EP0608825A1
    • 1994-08-03
    • EP94101040.7
    • 1994-01-25
    • EASTMAN KODAK COMPANY
    • Texter, John, c/o EASTMAN KODAK COMPANY
    • G03C8/40C07C39/00
    • G03C8/402Y10S430/156
    • An aqueous solid particle thermal solvent dispersion, where said thermal solvent is a water-immiscible phenol derivative and has a melting point between 50°C and about 200°C, and where said dispersion contains a dispersing aid, is disclosed and an aqueous developable chromogenic photographic dye-diffusion transfer element of two or more layers comprising a support, radiation sensitive silver halide, a dye-forming compound wherein said compound forms a heat transferable dye upon reaction of said compound with the oxidation product of a primary amine developing agent, a hydrophilic binder, and a solid particle thermal solvent dispersion, wherein said thermal solvent is a water-immiscible phenol derivative, has a melting point of between 50°C and about 200°C, and is incorporated at 5 to 200% by weight of said hydrophilic binder, and where said thermal solvent dispersion contains a dispersing aid, is disclosed. Also disclosed is a diffusion transfer process for forming a color photographic image comprising the steps of:
         providing an aqueous-developable photographic color diffusion transfer element of two or more layers comprising a single dimensionally stable support, radiation sensitive silver halide, an aqueous solid particle thermal solvent dispersion for facilitating the thermal diffusion of dyes through a hydrophilic binder, a dye-releasing or dye-forming coupler compound, and hydrophilic binder, wherein said dye is heat transferable in said binder and said thermal solvent, said thermal solvent has a melting point between 50°C and about 200°C, said dispersion contains a dispersing aid, and said thermal solvent is incorporated at 5 to 200% by weight of said hydrophilic binder;
         exposing said element to actinic radiation;
         processing said element by contacting said element to an external aqueous bath containing compounds selected from the group consisting of conventional color developer compounds of the primary amine type, compounds which activate the release of incorporated color developers, and compounds which activate development by incorporated dye developers;
         washing said element;
         drying said element to remove imbibed water; and
         heating said element to effect dye diffusion transfer to an image receiving layer, wherein bleaching and fixing steps are absent in said diffusion transfer process.
    • 一种水性固体颗粒热溶剂分散体,其中所述热溶剂是水不混溶性酚衍生物,并且具有在约50℃至约200℃的熔点,并且其中所述分散体含有分散助剂,并且含水可显影的显色性 包含支持体,辐射敏感卤化银,成色化合物的两层或更多层的照相染料 - 扩散转移元件,其中所述化合物在所述化合物与伯胺显影剂的氧化产物反应时形成可热转移染料, 亲水性粘合剂和固体颗粒热溶剂分散体,其中所述热溶剂是水不混溶性酚衍生物,其熔点在50℃至约200℃之间,并且以5至200重量% 亲水性粘合剂,并且其中所述热溶剂分散体含有分散助剂。 还公开了用于形成彩色照相图像的扩散转移方法,其包括以下步骤:提供两层或多层的含水可显影照相色彩扩散转移元件,其包含单维稳定载体,辐射敏感卤化银,含水固体颗粒热 溶剂分散体,用于促进染料通过亲水性粘合剂,染料释放或染料形成成色剂化合物和亲水性粘合剂的热扩散,其中所述染料可在所述粘合剂和所述热溶剂中传热,所述热溶剂具有熔点 在50℃至约200℃之间,所述分散体含有分散助剂,所述热溶剂加入所述亲水性粘合剂的5至200重量% 将所述元件暴露于光化辐射; 通过使所述元件与包含选自常规的伯胺型常规彩色显影剂化合物,激活合并的显色剂的释放的化合物和通过掺入的染料显影剂激活显影的化合物的化合物接触所述元件来处理所述元件; 洗涤元素; 干燥所述元件以除去吸入的水; 并加热所述元件以实现染料扩散转移到图像接收层,其中在所述扩散转移过程中不存在漂白和固定步骤。