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11.发明授权Method for making improved imaging elements suitable for use in silver salt diffusion transfer process 失效用于制备适用于银盐扩散转移过程的改进成像元件的方法
公开(公告)号：US5597676A
公开(公告)日：1997-01-28
申请号：US516108
申请日：1995-08-17
申请人： Ludo Van Rompuy , Paul Coppens
发明人： Ludo Van Rompuy , Paul Coppens
摘要： The present invention provides a method for obtaining an imaging element suitable for use in a silver salt diffusion transfer process by the steps of:preparing an image receiving element by coating the anodized surface of an aluminum foil with an image-receiving layer comprising physical development nuclei,preparing a photosensitive layer packet by coating a temporary base with at least one photosensitive silver halide emulsion layer,pressing the thus formed photosensitive layer packet with its photosensitive silver halide emulsion coated side against said image receiving layer, which has been wet with an aqueous moistening liquid, andoptionally removing said temporary base, characterized in that between said temporary base and said at least one photosensitive silver halide emulsion layer a barrier layer is present which is substantially free of developing agents, is substantially unhardened, comprises one or more hydrophilic binders in an amount of at least 0.25 g/m.sup.2 and is in water permeable relationship with said image receiving layer.
摘要翻译： 本发明提供一种通过以下步骤获得适用于银盐扩散转移过程的成像元件的方法：通过用包含物理显影核的图像接收层涂覆铝箔的阳极氧化表面来制备图像接收元件 通过用至少一个感光卤化银乳剂层涂覆临时基底来制备感光层包，将其形成的感光层包被其感光卤化银乳剂涂覆的一面压靠在所述图像接收层上，所述图像接收层已经用水润湿 液体和任选地去除所述临时碱，其特征在于，在所述临时碱和所述至少一种感光卤化银乳剂层之间存在基本上不含显影剂的阻挡层，基本上未硬化，包含一种或多种亲水性粘合剂 至少0.25g / m 2，以瓦为单位 与所述图像接收层的可渗透关系。
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12.发明授权
公开(公告)号：US5753408A
公开(公告)日：1998-05-19
申请号：US787693
申请日：1997-01-27
申请人： Ludo Van Rompuy , Paul Coppens
发明人： Ludo Van Rompuy , Paul Coppens
CPC分类号： G03F7/07
摘要： The present invention provides a method for making an offset printing plate according to the silver salt diffusion transfer process comprising the steps of: image-wise exposing an imaging element comprising in the order given on a hydrophilic surface of a support (i) an image receiving layer containing physical development nuclei and (ii) a photosensitive layer comprising one or more photosensitive silver halide emulsions said photosensitive layer being in water permeable relationship with said image receiving layer, applying an aqueous alkaline solution to the imaging element comprising at least 0.05 mole/l of ascorbic acid as the main developer, at least 0.010 mole/l of an auxiliary developer of the class of the 1-phenyl-3-pyrazolidones and an aminoalcohol in an amount from 0.1 ml to 10 ml as silver halide solvent to form a silver image in said image receiving layer, treating the imaging element to remove the layer(s) on top of the image receiving layer, thereby exposing the imaged surface of the support by uncovering said silver image formed in said image receiving layer, characterized in that said aqueous alkaline solution contains sodium ions but no potassium ions or sodium and potassium ions in which case the molar ratio of sodium ions to potassium ions in said aqueous alkaline solution is at least 3:1.
摘要翻译： 本发明提供了一种根据银盐扩散转移方法制造胶版印刷版的方法，包括以下步骤：以成像元件成像曝光，所述成像元件按照在支撑体的亲水表面上给出的顺序包括（i）图像接收 包含物理发育核的层和（ii）包含一种或多种感光卤化银乳剂的感光层，所述感光层与所述图像接收层处于水可渗透的关系，向成像元件施加碱性水溶液，其包含至少0.05mol / l 的抗坏血酸作为主要显影剂，至少0.010摩尔/升的1-苯基-3-吡唑烷酮类的辅助显影剂和作为卤化银溶剂的0.1ml至10ml的氨基醇形成银 在所述图像接收层中的图像，处理所述成像元件以去除所述图像接收层顶部上的层，从而使所述图像 通过揭示形成在所述图像接收层中的所述银图像，支撑体的表面，其特征在于，所述碱性水溶液含有钠离子，但不含钾离子或钠和钾离子，在这种情况下，所述水溶液中的钠离子与钾离子的摩尔比 碱性溶液至少为3：1。
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13.发明授权
公开(公告)号：US5716755A
公开(公告)日：1998-02-10
申请号：US760343
申请日：1996-12-04
申请人： Ludo Van Rompuy
发明人： Ludo Van Rompuy
CPC分类号： G03F7/07
摘要： The present invention provides a method for making a lithographic printing plate from an original containing continuous tones comprising the steps of: frequency modulation screening said original to obtain screened data image-wise exposing according to said screened data an imaging element comprising in the order given on a hydrophilic surface of a support (i) an image receiving layer containing physical development nuclei, (ii) a photosensitive layer containing one or more silver halide emulsions being in water permeable relationship with said image receiving layer applying an aqueous alkaline solution to the imaging element in the presence of (a) developing agent(s) and (a) silver halide solvent(s), treating the imaging element to remove the layer(s) on top of said image receiving layer, thereby uncovering said silver image formed in said image receiving layer, characterized in that said aqueous alkaline solution is substantially free from thiosulphate ions and bromide ions and contains an aminoalcohol in an amount ranging from 0.1 ml to 10 ml/l aqueous alkaline solution.
摘要翻译： 本发明提供了一种从包含连续色调的原件制造平版印刷版的方法，包括以下步骤：对所述原稿进行频率调制筛选，以根据所述筛选数据获得屏幕数据成像曝光，成像元件按照 支撑体的亲水表面（i）包含物理发育核的图像接收层，（ii）含有一种或多种卤化银乳剂的感光层，其与所述图像接收层呈水可渗透性，将碱性水溶液施加到成像元件 在（a）显影剂和（a）卤化银溶剂的存在下，处理成像元件以去除所述图像接收层顶部的层，从而揭露形成在所述图像接收层中的所述银图像 图像接收层，其特征在于所述碱性水溶液基本上不含硫代硫酸根离子和溴离子和含量 含有0.1ml至10ml / l碱性水溶液的氨基醇。
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14.发明授权
公开(公告)号：US5677105A
公开(公告)日：1997-10-14
申请号：US767429
申请日：1996-12-16
申请人： Ludo Van Rompuy , Paul Coppens
发明人： Ludo Van Rompuy , Paul Coppens
CPC分类号： G03F7/07
摘要： The present invention provides a method for making a lithographic printing plate according to the silver salt diffusion transfer process comprising the steps of: image-wise exposing an imaging element comprising in the order given on a hydrophilic surface of a support (i) an image receiving layer containing physical development nuclei and (ii) a photosensitive layer comprising one or more silver halide emulsions being in water permeable relationship with said image receiving layer (b) applying an aqueous alkaline solution to the imaging element in the presence of (a) developing agent(s) and (a) silver halide solvent(s) to form a silver image in said image receiving layer, (c) treating the imaging element to remove the layer(s) on top of said image receiving layer, thereby uncovering said silver image formed in said image receiving layer, characterized in that said aqueous alkaline solution contains thiosulphate salts in an amount ranging from 0.000 mole/l to 0.0015 mole/l and inorganic bromide salts in an amount from 0.000 mole/l to 0.0030 mole/l and an aminoalcohol in an amount ranging from 0.1 ml to 10 ml/l and that the total amount of the silver halide in said one or more silver halide emulsions (expressed as AgNO.sub.3) is not more than 2 g AgNO.sub.3 /m.sup.2.
摘要翻译： 本发明提供了一种根据银盐扩散转移方法制备平版印刷版的方法，包括以下步骤：以成像元件成像曝光，所述成像元件按照在支撑体的亲水表面上给出的顺序包括（i）图像接收 （ii）包含一种或多种卤化银乳剂的感光层，所述卤化银乳剂与所述图像接收层（b）在（a）显影剂存在下向成像元件施加碱性水溶液 （a）卤化银溶剂以在所述图像接收层中形成银图像，（c）处理成像元件以去除所述图像接收层顶部的层，从而揭示所述银 所述图像接收层中形成的图像，其特征在于所述碱性水溶液含有0.000摩尔/升至0.0015摩尔/升的硫代硫酸盐和无机 量为0.000摩尔/升至0.0030摩尔/升的溴化物盐和量为0.1毫升至10毫升/升的氨基醇，并且所述一种或多种卤化银乳剂中的卤化银的总量（以 AgNO3）不超过2 g AgNO3 / m2。
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15.发明授权
公开(公告)号：US5693448A
公开(公告)日：1997-12-02
申请号：US735955
申请日：1996-10-23
申请人： Paul Coppens , Ludovicus Vervloet , Eric Hoes , Ludo Van Rompuy
发明人： Paul Coppens , Ludovicus Vervloet , Eric Hoes , Ludo Van Rompuy
CPC分类号： G03F7/07
摘要： The present invention provides a method for making an offset printing plate according to the silver salt diffusion transfer process comprising the steps of: image-wise exposing an imaging element comprising in the order given on a hydrophilic surface of a support (i) an image receiving layer containing physical development nuclei and (ii) a photosensitive layer comprising a photosensitive silver halide emulsion said photosensitive layer being in water permeable relationship with said image receiving layer, applying an aqueous alkaline solution to the imaging element in the presence of (a) developing agent(s) and (a) silver halide solvent(s) to form a silver image in said image receiving layer, treating the imaging element to remove the layer(s) on top of the image receiving layer, thereby exposing the imaged surface of the support by uncovering said silver image formed in said image receiving layer, characterized in that said aqueous alkaline solution comprises less than 0.0021 mole/l of inorganic bromide salts and thiosulphate salts in a range from 0.005 mole/l to 0.025 mole/l.
摘要翻译： 本发明提供了一种根据银盐扩散转移方法制造胶版印刷版的方法，包括以下步骤：以成像元件成像曝光，所述成像元件按照在支撑体的亲水表面上给出的顺序包括（i）图像接收 含有物理发育核的层和（ii）包含光敏卤化银乳剂的感光层，所述感光层与所述图像接收层处于水可渗透的关系，在（a）显影剂存在下向成像元件施加碱性水溶液 （a）卤化银溶剂以在所述图像接收层中形成银图像，处理所述成像元件以去除所述图像接收层顶部上的层，从而暴露所述图像接收层的成像表面 通过揭示形成在所述图像接收层中的所述银图像来支持，其特征在于所述碱性水溶液包含小于0.0021摩尔/升 的无机溴化物盐和硫代硫酸盐的范围为0.005摩尔/升至0.025摩尔/升。
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公开(公告)号：US5474885A
公开(公告)日：1995-12-12
申请号：US249723
申请日：1994-05-26
申请人： Eddy Michiels , Piet Kok , Johan Loccufier , Frank Michiels , Ludo Van Rompuy
发明人： Eddy Michiels , Piet Kok , Johan Loccufier , Frank Michiels , Ludo Van Rompuy
摘要： A modified gelatin is disclosed wherein part of the free carboxyl groups is replaced by modifiers having more acid end-standing groups chosen from --SO.sub.3 M, --OSO.sub.3 M, --SSO.sub.3 M, --OPO(OH).sub.2, --OPO(OH)(OR.sup.2), --PO(OH).sub.2, --PO(OH)(OR.sup.2).In a preferred embodiment such a modified gelatin is incorporated in a DTR photographic material which after processing can serve as a lithographic printing plate. Thanks to the more hydrophilic character of the modified gelatin the differentiation between printing and non-printing areas is improved and toning at printing start-up is reduced.
摘要翻译： 公开了一种改性明胶，其中部分游离羧基被具有更多酸选自-SO 3 M，-OSO 3 M，-SSO 3 M，-OPO（OH）2，-OPO（OH）（OR 2）， -PO（OH）2，-PO（OH）（OR2）。 在优选的实施方案中，这种改性明胶掺入DTR照相材料中，其在加工后可用作平版印刷版。 由于改性明胶的亲水性更好，印刷和非印刷区域之间的差异得到改善，印刷启动时的色调降低。
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公开(公告)号：US5348836A
公开(公告)日：1994-09-20
申请号：US50672
申请日：1993-04-22
IPC分类号： C07C323/16 , C07C323/22 , C07C327/28 , C07D333/72 , C07D333/74 , G03C1/09 , G03C1/485 , G03C8/06 , G03F7/07 , G03C5/54 , G03C1/06
CPC分类号： G03C8/06 , C07C323/16 , C07C323/22 , C07C327/28 , C07D333/72 , C07D333/74 , G03C1/09 , G03C1/485 , G03F7/07 , G03C2001/03517 , G03C2001/03564 , G03C2007/3032 , G03C2200/38 , Y10S430/156
摘要： The present invention provides a photographic material comprising on a support photosensitive silver halide particles, and substantially light insensitive silver salt particles having a speed at least a factor 10 less under the same conditions of exposure and development of said photosensitive silver halide particles than said photosensitive silver halide particles and a releasing compound of formula (I) or (II) as specified in the claims capable of image-wise releasing sulphide or a sulphide under conditions for image-wise development of said photosensitive silver halide particles to silver. The present invention further provides a method for obtaining an image and a lithographic printing plate with said photographic material.
摘要翻译： 本发明提供一种照相材料，其在支持光敏卤化银颗粒和基本上不敏感的银盐颗粒上，所述感光卤化银颗粒在所述光敏卤化银颗粒的曝光和显影相同条件下具有比所述感光性银更低至少10倍的速度 卤化物颗粒和如权利要求中所定义的式（I）或（II）的释放化合物，其能够在将所述感光卤化银颗粒成像显影至银的条件下成像地释放硫化物或硫化物。 本发明还提供了一种用于获得具有所述照相材料的图像和平版印刷版的方法。
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18.发明授权
公开(公告)号：US5268253A
公开(公告)日：1993-12-07
申请号：US10004
申请日：1993-01-27
申请人： Ludo Van Rompuy
发明人： Ludo Van Rompuy
CPC分类号： G03F7/07
摘要： The present invention provides a method for making a lithographic printing plate according to the DTR-process comprising the steps of:information-wise exposing an imaging element comprising on a support in the order given a photosensitive layer containing a silver halide emulsion and a layer containing physical development nuclei;developing said information-wise exposed imaging element in the presence of developing agent(s) and silver halide solvent(s)characterized in that said silver halide emulsion comprises said silver halide in an amount of at least 2 g/m.sup.2 (expressed as AgNO.sub.3), said development is carried out in the presence of a physical development restraining compound and wherein imaging elements comprising a positive working silver halide emulsion of the internal latent image type are excluded. Lithographic printing plates with substantially improved printing endurance are obtained.
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公开(公告)号：US6113772A
公开(公告)日：2000-09-05
申请号：US252676
申请日：1999-02-22
申请人： Ludo Van Rompuy
发明人： Ludo Van Rompuy
CPC分类号： B41C1/1066
摘要： According to the present invention there is provided a method for making lithographic printing plates or a printing cylinder including the steps of applying image-wise a solution of ions of an oleophilic metal with an ink jet on a hydrophilic metallic base and reducing said ions by electroplating in order to obtain an oleophilic metal image.
摘要翻译： 根据本发明，提供了一种制备平版印刷版或印刷滚筒的方法，包括以下步骤：将具有喷墨的亲油性金属的离子溶液成像到亲水性金属基底上，并通过电镀将所述离子还原 以获得亲油性金属图像。
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公开(公告)号：US5536817A
公开(公告)日：1996-07-16
申请号：US520990
申请日：1995-08-30
申请人： Eddy Michiels , Piet Kok , Johan Loccufier , Frank Michiels , Ludo Van Rompuy
发明人： Eddy Michiels , Piet Kok , Johan Loccufier , Frank Michiels , Ludo Van Rompuy
摘要： A modified gelatin is disclosed wherein part of the free carboxyl groups is replaced by modifiers having more acid end-standing groups chosen from --SO.sub.3 M, --OSO.sub.3 M, --SSO.sub.3 M, ---OPO(OH).sub.2, --OPO(OH)(OR.sup.2), --PO(OH).sub.2, --PO(OH)(OR.sup.2).In a preferred embodiment such a modified gelatin is incorporated in a DTR photographic material which after processing can serve as a lithographic printing plate. Thanks to the more hydrophilic character of the modified gelatin the differentiation between printing and non-printing areas is improved and toning at printing start-up is reduced.
摘要翻译： 公开了一种改性明胶，其中部分游离羧基被具有更多酸选自-SO 3 M，-OSO 3 M，-SSO 3 M，-OPO（OH）2，-OPO（OH）（OR 2）的酸性末端基团的改性剂代替， ，-PO（OH）2，-PO（OH）（OR 2）。 在优选的实施方案中，这种改性明胶掺入DTR照相材料中，其在加工后可用作平版印刷版。 由于改性明胶的亲水性更好，印刷和非印刷区域之间的差异得到改善，印刷启动时的色调降低。
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