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    • 8. 发明授权
    • Photothermographic recording material with in-situ and ex-situ photosensitive silver halide and a substantially light-insensitive organic salt
    • 具有原位和非原位感光卤化银的光热记录材料和基本上不光敏的有机盐
    • US06274297B1
    • 2001-08-14
    • US09210913
    • 1998-12-14
    • Herman UytterhoevenLuc BastiaensLuc VissersYvan GilliamsChris Van Roost
    • Herman UytterhoevenLuc BastiaensLuc VissersYvan GilliamsChris Van Roost
    • G03C1492
    • G03C1/49818
    • A production process for a photothermographic recording material thermally developable under substantially water-free conditions comprising the steps of: (i) providing a support; (ii) producing one or more aqueous dispersions or solutions containing together a substantially light-insensitive organic silver salt, photosensitive ex-situ silver halide in catalytic association with the substantially light-insensitive organic silver salt, a reducing agent in thermal working relationship with the substantially light-insensitive organic silver salt and a binder; (iii) coating the one or more aqueous dispersions or solutions onto the support to form layers which upon drying become a photo-addressable thermally developable element; and (iv) drying the layers, wherein the photo-addressable thermally developable element contains between 0.2 and 2.5 moles of in-situ photosensitive silver iodide per mole of ex-situ photosensitive silver halide produced by reacting particles of the substantially light-insensitive organic silver salt in an aqueous dispersion with a source of iodide ion; and a recording process therefor.
    • 一种在基本无水条件下可热显影的光热敏记录材料的生产方法,包括以下步骤:(i)提供支撑体; (ii)制备一种或多种含有基本上不光敏的有机银盐,感光性原位卤化银与基本上不受光敏感的有机银盐催化缔合的含水分散体或溶液,与 基本上不透光的有机银盐和粘合剂; (iii)将一种或多种水性分散体或溶液涂布到载体上以形成层,其在干燥时变成可光寻址的可热显影元件; 并且(iv)干燥层,其中光寻址热可显影元件含有0.2-2.5摩尔的原位光敏碘化银/每摩尔非原位感光卤化银,其通过使基本上不受光敏的有机银的颗粒反应 在具有碘离子源的水分散体中的盐; 及其记录过程。
    • 9. 发明授权
    • Photothermographic recording material comprising IR-sensitizing dyes
    • 光热记录材料包含红外线感光染料
    • US5958667A
    • 1999-09-28
    • US889484
    • 1997-07-08
    • Geert DerooverPaul CallantHerman Uytterhoeven
    • Geert DerooverPaul CallantHerman Uytterhoeven
    • G03C1/20G03C1/28G03C1/498
    • G03C1/49854G03C1/28G03C1/20Y10S430/145
    • A photothermographic recording material comprising a support and a photo-addressable thermally developable element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith, photosensitive silver halide spectrally sensitized to wavelengths >700 nm with a dye and in catalytic association with the substantially light-insensitive organic silver salt and a water-soluble binder, a water-dispersible binder or a mixture of a water-soluble and a water-dispersible binder, characterized in that the photothermographic recording material has an infra-red sensitivity of less than 80 J/m.sup.2 and the dye satisfies the following test: an exposure required by a photothermographic recording material A, consisting of a polyester 100 .mu.m thick support provided with a photo-addressable thermally developable element produced as described in the description and including the dye and a compound corresponding to the formula is >90% of an exposure required by a photothermographic recording material B produced as described for the photothermographic recording material A except that the compound is omitted, the exposure of the materials A and B being that required to obtain an optical density in an exposed part thereof 0.5 higher than in an non-exposed part thereof when exposed to infra-red light to which it is sensitive and heating with a heat source at 105.degree. C. for 15 s with the polyester support thereof in contact with the heat source; and a production process therefor.
    • 一种光热记录材料,其包括载体和可光寻址的热显影元件,其含有基本上不光敏的有机银盐,与其热处理关系的还原剂,其中用染料对波长> 700nm进行光谱敏化的感光卤化银 与基本上不透光的有机银盐和水溶性粘合剂,水分散性粘合剂或水溶性和水分散性粘合剂的混合物的催化缔合,其特征在于光热记录材料具有红外 感光度小于80J / m2,染料满足以下试验:光热记录材料A所要求的曝光,由聚酯100μm厚的载体组成,其具有如描述中所述制备的光寻址热可显影元件 并且包括染料和对应于该式的化合物是> 90%的 除了省略该化合物之外,按照光热敏记录材料A所述制造的光热敏记录材料B所需的曝光,将曝光部分中获得光密度所需材料A和B的曝光度高于 当其暴露于其敏感的红外光并且在105℃下用热源加热15秒,其聚酯载体与热源接触时,其未暴露部分; 及其生产工艺。
    • 10. 发明申请
    • Method for preparation of a photothermographic material with increased photosensitivity
    • 具有增加光敏性的光热敏成像材料的制备方法
    • US20050175943A1
    • 2005-08-11
    • US11069790
    • 2005-03-01
    • Herman UytterhoevenPaul Callant
    • Herman UytterhoevenPaul Callant
    • G03C1/09G03C1/10G03C1/22G03C1/498G03C1/46
    • G03C1/49854G03C1/09G03C1/102G03C1/22G03C1/49845Y10S430/136Y10S430/165
    • A process for preparing a photothermographic material with increased photosensitivity, the photothermographic material comprising a support and a photo-addressable thermally developable element, exclusive of a compound R—S(M)n wherein R is an aliphatic hydrocarbon, aryl or heterocyclic group, M is a hydrogen atom, or cation, and letter n is a number determined so as to render the molecule neutral and also exclusive of a compound capable of releasing a mobile dye corresponding to or inversely corresponding to the reduction of silver halide to silver at elevated temperatures, the photo-addressable thermally developable element containing a photosensitive agent in catalytic association with a light-insensitive organic silver salt, a reducing agent for the light-insensitive organic silver salt in thermal working relationship therewith and a binder, comprising the steps of: (i) increasing the photosensitivity of a photosensitive silver halide by chemical sensitisation with a chemical sensitising merocyanine dye containing a thione group in a non-oxidative aqueous medium, optionally in the presence of the light-insensitive organic silver salt, thereby producing the photosensitive agent; (ii) coating the support with one or more aqueous solutions or dispersions together containing the light-insensitive organic silver salt, the photosensitive agent, the reducing agent and the binder; (iii) drying the coating or coatings thereby producing the photo-addressable thermally developable element.
    • 一种制备具有增加的光敏性的光热敏成像材料的方法,所述光热成像材料包含载体和光寻址热可显影元件,不包括化合物RS(M)N,其中R是脂族烃,芳基 或杂环基,M为氢原子或阳离子,并且字母n为确定分子中性的数量,也不包含能够释放对应于卤化银还原反应的可移动染料的化合物 在高温下为银,光寻址热可显影元件含有与光不敏感有机银盐催化缔合的光敏剂,与其热处理关系的光不敏感有机银盐的还原剂和粘合剂,其包含 步骤:(i)通过化学敏化增加光敏卤化银的光敏性 任选在光不敏感的有机银盐存在下,在非氧化性水性介质中含有硫酮基的敏感性部花青染料,从而制备感光剂; (ii)用一种或多种含有光不敏感有机银盐,感光剂,还原剂和粘合剂的水溶液或分散体涂覆载体; (iii)干燥涂层或涂层,从而产生可光寻址的可热显影元件。