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公开(公告)号：US5922511A
公开(公告)日：1999-07-13
申请号：US729513
申请日：1996-10-11
Applicant: Joan Vermeersch , Dirk Kokkelenberg , Johan Van Hunsel , Guido Hauquier
Inventor： Joan Vermeersch , Dirk Kokkelenberg , Johan Van Hunsel , Guido Hauquier
CPC classification number: G03F7/016
Abstract: According to the present invention there is provided a method for making a lithographic printing plate comprising the steps of:(1) image-wise exposing an imaging element having on a support in the order given (i) a uniform ink-repellant layer comprising a hydrophilic binder cross-linked by means of a hydrolysed tetra-alkylorthosilicate and (ii) a photosensitive layer comprising a diazonium salt or a diazo resin;(2) and developing a thus obtained image-wise exposed imaging element by mounting it on a print cylinder of a printing press and supplying an aqueous dampening liquid and/or ink to said photosensitive layer.The present invention also provides a method for making multiple copies of an original comprising the steps of:(1) image-wise exposing an imaging element having on a support in the order given (i) a uniform ink-repellant layer comprising a hydrophilic binder cross-linked by means of a hydrolysed tetra-alkylorthosilicate and (ii) a photosensitive layer comprising a diazonium salt or a diazo resin;(2) mounting a thus obtained image-wise exposed imaging element without development, on a print cylinder of a printing press;(3) rotating said print cylinder while supplying an aqueous dampening liquid and/or supplying ink to said photosensitive layer of said imaging element and(4) transfering ink from said imaging element to a receiving element.
Abstract translation: 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：（1）以给定的顺序成像曝光具有在支持体上的成像元件，其中（i）均匀的墨水排斥层包含 通过水解的四烷基原硅酸酯交联的亲水性粘合剂和（ii）包含重氮盐或重氮树脂的感光层; （2），并将如此获得的图像曝光的成像元件通过将其安装在印刷机的印刷滚筒上并将水性润版液体和/或墨水供应到所述感光层来显影。 本发明还提供了一种用于制作原件的多个副本的方法，包括以下步骤：（1）以给定的顺序将具有在支撑体上的成像元件成像曝光（i）包含亲水性粘合剂的均匀的墨水排斥层 通过水解的四烷基原硅酸酯和（ii）包含重氮盐或重氮树脂的感光层交联; （2）将未经显影的如此获得的图像曝光成像元件安装在印刷机的印刷滚筒上; （3）在供应水性阻尼液体和/或向所述成像元件的所述感光层供应墨水的同时旋转所述印刷滚筒，以及（4）将油墨从所述成像元件传送到接收元件。
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12.发明授权Diazo based imaging element having improved resistance against physical damage 失效重氮基成像元件具有改善的抵抗物理损伤的抵抗力
公开(公告)号：US5663031A
公开(公告)日：1997-09-02
申请号：US593354
申请日：1996-01-29
Applicant: Guido Hauquier , Joan Vermeersch , Eric Verschueren , Dirk Kokkelenberg , Willem Cortens
Inventor： Guido Hauquier , Joan Vermeersch , Eric Verschueren , Dirk Kokkelenberg , Willem Cortens
CPC classification number: G03F7/11
Abstract: The present invention provides an imaging element comprising on a support in the order given a coated composition of at least two hydrophilic layers being in water permeable contact with each other and each containing a hydrophilic (co)polymer or (co)polymer mixture and having been hardened with a hydrolyzed tetraalkyl orthosilicate and a light sensitive layer containing a diazo resin or a diazonium salt characterized in that the ratio by weight in the top layer of said package of said hydrophilic (co)polymer or (co)polymer mixture versus said hydrolyzed tetraalkyl orthosilicate (expressed as silicon dioxide) is at least 1.1 and the ratio by weight in an underlying layer of said package of said hydrophilic (co)polymer or (co)polymer mixture versus said hydrolyzed tetraalkyl orthosilicate (expressed as silicon dioxide) is not higher than 0.9.
Abstract translation: 本发明提供了一种成像元件，其按照给定涂层组合物的顺序包含至少两个彼此具有水可渗透接触的亲水层，并且各自含有亲水（共）聚合物或（共）聚合物混合物，并且已经被 用水解的原硅酸四烷基酯和含有重氮树脂或重氮盐的光敏层硬化，其特征在于所述亲水（共）聚合物或（共）聚合物混合物包装的顶层中的重量比与所述水解的四烷基 所述原硅酸盐（表示为二氧化硅）至少为1.1，并且所述亲水（共）聚合物或（共）聚合物混合物的所述包装层的底层与所述水解的原硅酸四烷基酯（表示为二氧化硅）的重量比不高 比0.9。
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13.发明授权Storage stability of a diazo-based imaging element for making a printing plate 失效用于制造印版的基于重氮的成像元件的储存稳定性
公开(公告)号：US5618649A
公开(公告)日：1997-04-08
申请号：US643569
申请日：1996-05-06
Applicant: Joan Vermeersch , Guido Hauquier , Dirk Kokkelenberg
Inventor： Joan Vermeersch , Guido Hauquier , Dirk Kokkelenberg
CPC classification number: G03F7/0215
Abstract: The present invention provides an imaging element comprising on a hydrophilic support a light sensitive layer containing a diazo resin or a diazonium salt characterized in that said light sensitive layer contains pullulan. The obtained imaging element shows an improved storage stability.
Abstract translation: 本发明提供了一种成像元件，其在亲水性载体上包含含有重氮树脂或重氮盐的光敏层，其特征在于所述光敏层含有支链淀粉。 所获得的成像元件显示出改进的储存稳定性。
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14.发明授权Storage stability of a diazo-based imaging element for making a printing plate 失效用于制造印版的基于重氮的成像元件的储存稳定性
公开(公告)号：US5543261A
公开(公告)日：1996-08-06
申请号：US267508
申请日：1994-06-29
Applicant: Joan Vermeersch , Guido Hauquier , Dirk Kokkelenberg
Inventor： Joan Vermeersch , Guido Hauquier , Dirk Kokkelenberg
CPC classification number: G03F7/0215
Abstract: The present invention provides an imaging element comprising on a hydrophilic support a light sensitive layer containing a diazo resin or a diazonium salt characterized in that said light sensitive layer contains pullulan. The obtained imaging element shows an improved storage stability.
Abstract translation: 本发明提供了一种成像元件，其在亲水性载体上包含含有重氮树脂或重氮盐的光敏层，其特征在于所述光敏层含有支链淀粉。 所获得的成像元件显示出改进的储存稳定性。
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15.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
Applicant: Joseph Vander Aa , Joan Vermeersch , Dirk Kokkelenberg , Huub Van Aert
Inventor： Joseph Vander Aa , Joan Vermeersch , Dirk Kokkelenberg , Huub Van Aert
CPC classification number: B41C1/1025 , B41C2201/04 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/10 , B41C2210/22 , B41C2210/24 , G03F7/32 , Y10S430/145 , Y10S430/146
Abstract: 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.
Abstract translation: 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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Patent Agency Ranking
16.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
Applicant: Joan Vermeersch , Dirk Kokkelenberg , Huub Van Aert
Inventor： Joan Vermeersch , Dirk Kokkelenberg , Huub Van Aert
CPC classification number: B41C1/1025 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/22 , B41C2210/24 , B41M2205/12
Abstract: 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.
Abstract translation: 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
Applicant: Joan Vermeersch , Pascal Meeus , Dirk Kokkelenberg
Inventor： Joan Vermeersch , Pascal Meeus , Dirk Kokkelenberg
IPC: G03F7/00
CPC classification number: B41C1/1025 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/22 , B41C2210/24 , Y10S430/145
Abstract: 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.
Abstract translation: 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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公开(公告)号：US6080523A
公开(公告)日：2000-06-27
申请号：US235318
申请日：1999-01-22
Applicant: Joan Vermeersch , Marc Van Damme , Dirk Kokkelenberg , Inge Claes
Inventor： Joan Vermeersch , Marc Van Damme , Dirk Kokkelenberg , Inge Claes
CPC classification number: G03F7/202
Abstract: According to the present invention there is provided an imaging element comprising on a support having a hydrophilic surface in the order given a photosensitive layer insoluble in an aqueous alkaline solution and capable of becoming soluble in said aqueous alkaline solution upon exposure with actinic light and a thermosensitive layer comprising a masking dye rendering said thermosensitive layer opaque to light for which said photosensitive layer has spectral sensitivity and said imaging element further comprising a compound A capable of converting light into heat comprised in said thermosensitive layer or a layer adjacent thereto, characterized in that said thermosensitive layer further comprises thermoplastic particles of a hydrophobic polymer.
Abstract translation: 根据本发明，提供了一种成像元件，其包含在具有亲水表面的支持体上，其顺序为给定不溶于碱性水溶液的感光层，并且当用光化学曝光并且能够变得易溶于碱性水溶液时， 所述掩模染料使所述热敏层不透光，所述光敏层对于所述感光层具有光谱灵敏度的光，并且所述成像元件还包含能够将光转换成包含在所述热敏层中的热或与其相邻的层的化合物A，其特征在于所述 热敏层还包括疏水性聚合物的热塑性颗粒。
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19.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
Applicant: Joan Vermeersch , Dirk Kokkelenberg , Luc Vanmaele , Jan Gilleir
Inventor： Joan Vermeersch , Dirk Kokkelenberg , Luc Vanmaele , Jan Gilleir
CPC classification number: G03F7/105
Abstract: 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.
Abstract translation: 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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20.发明授权Method for obtaining a lithographic printing plate utilizing a diazo-base imaging element containing a dispersed water insoluble polymer 失效利用含有分散的水不溶性聚合物的重氮基成像元件获得平版印刷版的方法
公开(公告)号：US5667939A
公开(公告)日：1997-09-16
申请号：US629136
申请日：1996-04-08
Applicant: Joan Vermeersch , Dirk Kokkelenberg
Inventor： Joan Vermeersch , Dirk Kokkelenberg
CPC classification number: G03F7/40 , G03F7/0212 , G03F7/021
Abstract: The present invention provides a method for obtaining a lithographic printing plate comprising the steps of (i) image-wise exposing an imaging element comprising on a hydrophilic surface of a support a light sensitive layer containing a diazo resin or a diazonium salt and a dispersed water-insoluble polymer with a melting point or glass transition temperature above 40.degree. C. and capable of coagulating when heated at or above its melting point or glass transition temperature, and (ii) subsequently removing the light sensitive layer in the non-exposed or insufficiently exposed areas of said imaging element by means of rinsing or washing said imaging element with plain water, characterized in that afterwards said developed image-wise exposed imaging element is heat-treated at a temperature at least equal to the glass transition temperature or melting point of said dispersed water-insoluble polymer.
Abstract translation: 本发明提供了一种获得平版印刷版的方法，包括以下步骤：（i）成像元件将成像元件成像曝光，所述成像元件在载体的亲水表面上含有含有重氮树脂或重氮盐的光敏层和分散的水 不溶性聚合物，其熔点或玻璃化转变温度高于40℃，并且当在其熔点或玻璃化转变温度以上时加热时能够凝结，和（ii）随后除去未曝光或不充分的光敏层 通过用普通水冲洗或洗涤所述成像元件，所述成像元件的暴露区域，其特征在于，所述显影图像曝光的成像元件在至少等于玻璃化转变温度或熔点的温度下进行热处理 所述分散的水不溶性聚合物。
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