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1.发明授权Diazo based imaging element containing hydrolysed polyvinyl alcohol and metal-free phthalocyanine 失效含有水解聚乙烯醇和无金属酞菁的基于重氮的成像元件
公开(公告)号：US5753403A
公开(公告)日：1998-05-19
申请号：US628898
申请日：1996-04-09
申请人： Joan Vermeersch , Dirk Kokkelenberg , Luc Vanmaele , Jan Gilleir
发明人： Joan Vermeersch , Dirk Kokkelenberg , Luc Vanmaele , Jan Gilleir
CPC分类号： G03F7/105
摘要： The present invention provides an imaging element comprising on a hydrophilic base a light-sensitive layer containing polyvinyl alcohol hydrolyzed to at least an extent of 95% by weight, a cationic surfactant and a diazo resin and/or a diazonium salt characterized in that the light-sensitive layer comprises metal-free phthalocyanine. The present invention also provides a method for obtaining an imaging element as defined in any of the claims 1 to 6 by preparing a dispersion of metal-free phthalocyanine in water in the presence of a cationic surfactant in an amount ranging from 0.24 g/l to 24 g/l; preparing a light-sensitive composition by mixing said dispersion, polyvinyl alcohol hydrolyzed to at least an extent of 95% by weight and a diazo resin and/or a diazonium salt and coating said light-sensitive composition on a hydrophilic base, characterized in that said dispersion comprises polyvinyl alcohol hydrolyzed to at least an extent of 95% by weight in an amount ranging from 4.0 g/l to 200 g/l.
摘要翻译： 本发明提供了一种成像元件，其在亲水性基底上包含水解至少95重量％的聚乙烯醇的光敏层，阳离子表面活性剂和重氮树脂和/或重氮盐，其特征在于，所述光 敏感层包括无金属酞菁。 本发明还提供一种获得如权利要求1至6中任一项所述的成像元件的方法，其通过在阳离子表面活性剂存在下，通过制备金属酞菁在水中的分散体，其量为0.24g / l至 24 g / l; 通过将所述分散体，至少水解95重量％的聚乙烯醇与重氮树脂和/或重氮盐混合并将所述感光组合物涂覆在亲水基底上来制备感光组合物，其特征在于所述 分散体包括以4.0g / l至200g / l的量水解至少95重量％的聚乙烯醇。
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2.发明授权公开(公告)号：US06210857B1
公开(公告)日：2001-04-03
申请号：US09309288
申请日：1999-05-11
IPC分类号： G03C176
CPC分类号： B41C1/1033 , B41C1/1008 , B41C1/1016 , B41C2201/04 , B41C2201/12 , B41C2201/14 , B41C2210/04 , B41C2210/08 , B41C2210/20 , B41C2210/22 , B41C2210/24
摘要： According to the present invention there is provided a heat-sensitive imaging element for providing a lithographic printing late, comprising a lithographic base with a hydrophobic oleophilic surface and a top layer comprising a compound capable of converting light into heat and a hydrophilic polymer, characterized in that said hydrophilic polymer is crosslinked.
摘要翻译： 根据本发明，提供了一种用于提供平版印刷深色的热敏成像元件，包括具有疏水亲油表面的光刻基底和包含能够将光转化成热的化合物和亲水性聚合物的顶层，其特征在于 所述亲水性聚合物是交联的。
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公开(公告)号：US5714300A
公开(公告)日：1998-02-03
申请号：US593355
申请日：1996-01-29
CPC分类号： G03F7/016
摘要： The present invention provides an imaging element comprising on a support a hydrophilic layer containing a hydrophilic (co)polymer or (co)polymer mixture and having been hardened with a hydrolysed tetraalkyl orthosilicate and a light sensitive layer containing a diazo resin and/or a diazonium salt characterized in that the light sensitive layer comprises at least one diazo resin or diazonium salt containing or being a diazonium salt of p-aminodiphenylamine containing as substituent an alkyl or alkoxy group and the weight percentage of said diazonium salt(s) and/or diazo resin(s) containing or being a diazonium salt of p-aminodiphenylamine containing as substituent an alkyl or alkoxy group versus the total amount of diazo resin and/or diazonium salt ranges from 22 to 40%.
摘要翻译： 本发明提供了一种成像元件，其在支撑体上包含亲水层，该亲水层含有亲水（共）聚合物或（共）聚合物混合物，并已被水解的原硅酸四烷基酯和含有重氮树脂和/或重氮的光敏层硬化 盐，其特征在于，所述光敏层包含至少一种含有或作为含有烷基或烷氧基的取代基的对氨基二苯胺的重氮盐和所述重氮盐和/或重氮的重氮盐的重氮树脂或重氮盐 含有或作为烷基或烷氧基取代基的对氨基二苯胺的重氮盐相对于重氮树脂和/或重氮盐的总量的树脂的含量为22〜40％。
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4.发明授权Water developable diazo based lithographic printing plate comprising an intermediate layer having a polysaccharide 失效含水可显影重氮基平版印刷版，其包含具有多糖的中间层
公开(公告)号：US5403694A
公开(公告)日：1995-04-04
申请号：US164957
申请日：1993-12-10
CPC分类号： B41C1/1016 , G03F7/11 , B41C2201/04 , B41C2210/04 , B41C2210/08 , B41C2210/22 , B41C2210/24 , B41N3/036 , G03F7/016 , G03F7/022
摘要： The present invention provides an imaging element comprising on a support in the order given, a hydrophilic layer containing a hydrophilic (co)polymer or (co)polymer mixture and being hardened with a hydrolyzed tetraalkyl orthosilicate crosslinking agent and a light sensitive layer containing a diazo resin or a diazonium salt characterized in that an intermediate hydrophilic layer containing an organic compound having one or more cationic groups is provided between said hydrophilic layer and said light-sensitive layer. There is further provided a method for making such an imaging element and a method for making a lithographic printing plate therewith.
摘要翻译： 本发明提供了一种成像元件，其按照给定的顺序在支持体上包含含有亲水（共）聚合物或（共）聚合物混合物并用水解的原硅酸四烷基酯交联剂硬化的亲水层和含有重氮的光敏层 树脂或重氮盐，其特征在于，在所述亲水层和所述感光层之间设置含有具有一个或多个阳离子基团的有机化合物的中间亲水层。 还提供了制造这种成像元件的方法和用于制造平版印刷版的方法。
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5.发明申请公开(公告)号：US20090095184A1
公开(公告)日：2009-04-16
申请号：US12282902
申请日：2007-02-21
CPC分类号： B41C1/1025 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/08 , B41C2210/22 , B41C2210/24 , B41M5/366
摘要： A heat-sensitive negative-working lithographic printing plate precursor includes a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating including an image-recording layer which includes hydrophobic thermoplastic polymer particles wherein the hydrophobic thermoplastic polymer particles include a polyester and have an average particle diameter from 18 nm to 50 nm.
摘要翻译： 热敏负性平版印刷版原版包括具有亲水表面的或具有亲水层和在其上提供的涂层的载体，该涂层包括包含疏水性热塑性聚合物颗粒的图像记录层，其中疏水性热塑性聚合物颗粒 聚合物颗粒包括聚酯并且具有18nm至50nm的平均粒径。
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6.发明授权公开(公告)号：US06983694B2
公开(公告)日：2006-01-10
申请号：US10421162
申请日：2003-04-23
IPC分类号： B41N1/08
CPC分类号： B41N3/038 , B41C1/1025 , B41C2210/04 , B41C2210/08 , B41C2210/22 , B41C2210/24 , B41N1/083 , B41N3/036
摘要： A negative-working lithographic printing plate precursor is disclosed which comprises a grained and anodized aluminum support having a hydrophilic surface and a heat-sensitive coating provided on the hydrophilic surface, the coating comprising hydrophobic thermoplastic polymer particles which are capable of forming a hydrophobic phase in the coating by heat-induced coalescence of the polymer particles. The support is characterized by a surface roughness, expressed as arithmetical mean center-line roughness Ra, which is less than 0.45 μm. The smooth surface enables to prepare a lithographic printing plate from the mentioned precursor, which is characterized by a high run length during printing.
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公开(公告)号：US06458510B1
公开(公告)日：2002-10-01
申请号：US09476109
申请日：2000-01-03
IPC分类号： G03F7004
CPC分类号： B41C1/1016 , B41C2210/02 , B41C2210/04 , B41C2210/06 , B41C2210/14 , B41C2210/22 , B41C2210/24 , B41C2210/262 , B41N3/06 , Y10S430/145 , Y10S430/146 , Y10S430/165
摘要： According to the present invention there is provided a method for the preparation of a lithographic printing plate comprising the steps of exposing with IR light an imaging element comprising on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution and a top layer on the same side of the lithographic base as the first layer which top layer is IR-sensitive and unpenetratable for or insoluble in an alkaline developer wherein said first layer and said top layer may be one and the same layer, said imaging element comprising a siloxane surfactant; developing said exposed imaging element with an alkaline solution; rinsing said developed imaging element with water or an aqueous solution; gumming said developed imaging element with a baking gum solution; subjecting said gummed imaging element to a thermal treatment at a temperature above 50° C.; characterized in that said rinsing is carried out with a brushing and/or with water containing a surfactant.
摘要翻译： 根据本发明，提供了一种制备平版印刷版的方法，包括以下步骤：用IR光照射成像元件，该成像元件在光刻基底上具有亲水表面，第一层包括可溶于碱性水溶液的聚合物 以及与所述第一层在所述平版印刷基底的相同侧上的顶层，所述第一层的顶层对于碱性显影剂是IR敏感的且不可渗透的或不溶于碱性显影剂，其中所述第一层和所述顶层可以是同一层，所述成像 元素，其包含硅氧烷表面活性剂;用碱性溶液显影所述暴露的成像元件;用水或水溶液漂洗所述显影的成像元件;用烘焙胶溶液涂覆所述显影的成像元件;使所述胶粘的成像元件在 温度高于50℃;其特征在于，所述冲洗是用刷洗和/或用水进行的 涂上表面活性剂。
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8.发明授权公开(公告)号：US07316891B2
公开(公告)日：2008-01-08
申请号：US10379362
申请日：2003-03-04
CPC分类号： B41C1/1025 , B41C2201/04 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/10 , B41C2210/22 , B41C2210/24 , G03F7/32 , Y10S430/145 , Y10S430/146
摘要： A method of making a lithographic printing plate is disclosed which comprises the steps of providing a lithographic printing plate precursor comprising (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer and (ii) a coating provided thereon which comprises hydrophobic thermoplastic polymer particles; exposing the coating to heat, thereby inducing coalescence of the thermoplastic polymer particles at exposed areas of the coating; developing the precursor by applying a gum solution to the coating, thereby removing non-exposed areas of the coating from the support. According to the above method, the plate precursor can be developed and gummed in a single step.
摘要翻译： 公开了一种制备平版印刷版的方法，其包括以下步骤：提供平版印刷版前体，其包含（i）具有亲水性表面的或具有亲水层的载体，和（ii）其上提供的包含疏水性的涂层 热塑性聚合物颗粒; 将涂层暴露于热处，从而在涂层的暴露区域引起热塑性聚合物颗粒的聚结; 通过将胶溶液施加到涂层来显影前体，从而从支撑体除去涂层的未曝光区域。 根据上述方法，可以在一个步骤中显影和前胶板前体。
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9.发明授权公开(公告)号：US07195861B2
公开(公告)日：2007-03-27
申请号：US11173325
申请日：2005-06-30
CPC分类号： B41C1/1025 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/22 , B41C2210/24 , B41M2205/12
摘要： A method for making a heat-sensitive negative-working lithographic printing plate precursor is disclosed comprising the steps of (i) preparing a coating solution comprising hydrophobic thermoplastic polymer particles and a hydrophilic binder; (ii) applying said coating solution on a support having a hydrophilic surface or which is provided with a hydrophilic layer, thereby obtaining an image-recording layer; (iii) drying said image-recording layer; characterized in that said hydrophobic thermoplastic polymer particles have an average particle size in the range from 45 nm to 63 nm, and that the amount of said hydrophobic thermoplastic polymer particles in the image-recording layer is at least 70% by weight relative to the dried image-recording layer.
摘要翻译： 公开了一种制造热敏负性平版印刷版原版的方法，包括该步骤
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公开(公告)号：US20060014103A1
公开(公告)日：2006-01-19
申请号：US11173466
申请日：2005-06-30
申请人： Joan Vermeersch , Pascal Meeus , Dirk Kokkelenberg
发明人： Joan Vermeersch , Pascal Meeus , Dirk Kokkelenberg
IPC分类号： G03F7/00
CPC分类号： B41C1/1025 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/22 , B41C2210/24 , Y10S430/145
摘要： A method for making a lithographic printing plate is disclosed which comprises the steps of: (i) providing a negative-working, heat-sensitive lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating comprising an image-recording layer which comprises hydrophobic thermoplastic polymer particles and a hydrophilic binder, wherein the hydrophobic thermoplastic polymer particles have an average particle size in the range from 45 nm to 63 nm and wherein the amount of the hydrophobic thermoplastic polymer particles in the image-recording layer is at least 70% by weight relative to the image-recording layer; (ii) exposing the coating to heat or infrared light, thereby inducing coalescence of the thermoplastic polymer particles at exposed areas of the coating; (iii) developing the precursor by applying an aqueous, alkaline solution, thereby removing non-exposed areas of the coating from the support, wherein the aqueous alkaline solution has a pH≧11 and comprises a phosphate buffer or a silicate buffer.
摘要翻译： 公开了一种制备平版印刷版的方法，其包括以下步骤：（i）提供负性工作的热敏平版印刷版原版，其包含具有亲水性表面的支持体或设有亲水层和涂层 提供在其上的涂层包括包含疏水性热塑性聚合物颗粒和亲水性粘合剂的图像记录层，其中所述疏水性热塑性聚合物颗粒的平均粒度在45nm至63nm的范围内，并且其中所述疏水性热塑性聚合物的量 图像记录层中的聚合物颗粒相对于图像记录层为至少70重量％ （ii）将涂层暴露于热或红外光，从而在涂层的暴露区域引起热塑性聚合物颗粒的聚结; （iii）通过施加水性碱性溶液来显影前体，从而从载体除去涂层的未曝光区域，其中碱性水溶液的pH> = 11且包含磷酸盐缓冲液或硅酸盐缓冲液。
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