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公开(公告)号：US20110048265A1
公开(公告)日：2011-03-03
申请号：US12528586
申请日：2008-03-07
申请人： Paola Campestrini , Dirk Faes
发明人： Paola Campestrini , Dirk Faes
IPC分类号： B41N3/08
CPC分类号： B41N3/034 , B41C1/1008 , B41C1/1016 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/10 , B41C2210/22 , B41C2210/24 , B41C2210/262
摘要： A method for making a lithographic aluminum printing plate support comprising the steps of (i) graining said support by applying a charge density x; (ii) desmutting the grained support; (iii) graining the desmutted support by applying a charge density y; (iv) anodizing the support; characterized in that during each graining step a current density varying between 80 and 250 A/dm2 is applied and that the ratio x/x+y varies between 0.3 and 0.7.
摘要翻译： 一种制备平版印刷铝印版支撑体的方法，包括以下步骤：（i）通过施加电荷密度x来对所述支撑体进行磨粒; （ii）解散粮食支持; （iii）通过施加电荷密度y来对未完成的支持进行分段; （iv）阳极氧化载体; 其特征在于，在每个研磨步骤期间，施加在80和250A / dm 2之间变化的电流密度，并且x / x + y的比率在0.3和0.7之间变化。
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公开(公告)号：US20110014381A1
公开(公告)日：2011-01-20
申请号：US12920872
申请日：2009-02-25
申请人： Paola Campestrini , Dirk Faes
发明人： Paola Campestrini , Dirk Faes
摘要： A method for making a lithographic printing plate support includes the steps of providing an aluminum support; graining the support in a graining electrolyte solution; and treating the grained support in a desmut electrolyte solution containing hydrochloric acid by applying a direct current resulting in a charge density Q; wherein the desmut electrolyte solution has a pH less than 1 and Q is at least 400 C/dm2.
摘要翻译： 制备平版印刷版支撑体的方法包括提供铝支架的步骤; 将颗粒化在电解质溶液中; 并通过施加导致电荷密度Q的直流电处理含有盐酸的去污电解液中的粒状载体; 其中所述去污电解液的pH小于1，Q为至少400C / dm 2。
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公开(公告)号：US08419923B2
公开(公告)日：2013-04-16
申请号：US12375952
申请日：2007-07-06
IPC分类号： C25F3/20
摘要： A method for making a lithographic printing plate support is disclosed comprising the steps of: (i) providing an aluminum support; (ii) treating said support in an aqueous solution; (iii) graining said treated support in an electrolyte solution by applying an alternating voltage thereby inducing a local current density J; characterized in that said local current density J at time t fulfills the following equation: J(t)≦a+bQ(t) for t=o to t=tf and wherein Q(t) is the integrated value of the absolute value of the local current density at time t:(I)—a is equal to 5—b is equal to 10—and tf is the time necessary to obtain a value of Q(t) equal to 50 C/dm2. Q ( t ) = ∫ 0 t J ( τ ) ⅆ τ
摘要翻译： 公开了一种制备平版印刷版支撑件的方法，包括以下步骤：（i）提供铝支架; （ii）在水溶液中处理所述载体; （iii）通过施加交流电压从而引起局部电流密度J将所述经处理的载体磨成电解质溶液; 其特征在于，时间t的所述局部电流密度J满足以下等式：对于t = o至t = tf，J（t）＆nlE; a + bQ（t），其中Q（t）是绝对值的积分值 的时间t的局部电流密度：（I）-a等于5-b等于10，tf是获得等于50C / dm2的Q（t）的值所需的时间。 Q（t）=∫0 tJ（τ）цⅆ
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公开(公告)号：US20110000385A1
公开(公告)日：2011-01-06
申请号：US12919261
申请日：2009-02-25
申请人： Paola Campestrini , Stefaan Lingier
发明人： Paola Campestrini , Stefaan Lingier
IPC分类号： B41N3/00
CPC分类号： B41C1/1025 , B41C2201/02 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/24 , G03F7/322
摘要： A method for making a lithographic printing plate includes the steps of providing a lithographic printing plate precursor including a support, with 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 thermoplastic particles; exposing the precursor to heat or infrared radiation; and developing the exposed precursor in an alkaline aqueous solution; wherein the alkaline aqueous solution includes at least 0.05 g/l of lithium ions.
摘要翻译： 制备平版印刷版的方法包括以下步骤：提供包括具有亲水性表面的或具有亲水层的载体和其上设置的涂层的平版印刷版原版，所述涂层包括图像记录层，所述图像记录层 包括热塑性颗粒; 将前体暴露于热或红外辐射; 并在碱性水溶液中显影暴露的前体; 其中所述碱性水溶液包含至少0.05g / l的锂离子。
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公开(公告)号：US20100307360A1
公开(公告)日：2010-12-09
申请号：US12531790
申请日：2008-03-12
CPC分类号： B41N3/038
摘要： A method for making a lithographic printing plate precursor comprising the steps of: (i) providing a grained and anodized aluminum support; (ii) treating the support with an aqueous solution comprising a salt of zirconium; (iii) treating the support with an aqueous solution comprising a compound comprising a phosphonic acid group and/or an ester or a salt thereof; (iv) applying a coating comprising hydrophobic particles and a binder; (v) drying said coating.
摘要翻译： 一种制备平版印刷版原版的方法，包括以下步骤：（i）提供粒状和阳极氧化的铝载体; （ii）用包含锆盐的水溶液处理载体; （iii）用包含膦酸基和/或其酯或其盐的化合物的水溶液处理载体; （iv）施加包含疏水性颗粒和粘合剂的涂层; （v）干燥所述涂层。
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公开(公告)号：US20090084683A1
公开(公告)日：2009-04-02
申请号：US12280261
申请日：2007-02-09
IPC分类号： C25D11/16
CPC分类号： B41C1/1016 , B41C1/1008 , B41C1/1025 , B41C2210/02 , B41C2210/04 , B41C2210/06 , B41C2210/08 , B41C2210/10 , B41C2210/22 , B41C2210/24 , B41C2210/262 , B41M5/366 , B41M5/368 , B41N1/083 , B41N3/034
摘要： A method for making a lithographic printing plate support is disclosed which comprises the steps of: (i) providing an aluminum support; (ii) graining said support in an electrolyte composition; and (iii) anodizing said grained support; wherein said electrolyte composition comprises an effective concentration of a benzoic acid derivative or a sulphonic acid derivative.
摘要翻译： 公开了一种制备平版印刷版支撑件的方法，其包括以下步骤：（i）提供铝支架; （ii）使所述载体在电解质组合物中成粒; 和（iii）阳极氧化所述颗粒状载体; 其中所述电解质组合物包含有效浓度的苯甲酸衍生物或磺酸衍生物。
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公开(公告)号：US20070077513A1
公开(公告)日：2007-04-05
申请号：US10583542
申请日：2004-12-08
申请人： Paola Campestrini , Joan Vermeersch , Marc Damme
发明人： Paola Campestrini , Joan Vermeersch , Marc Damme
IPC分类号： G03C1/00
CPC分类号： B41C1/1008 , B41C2210/02 , B41C2210/06 , B41C2210/22 , B41C2210/24 , B41C2210/262 , B41N1/083 , B41N3/00 , B41N3/034 , B41N3/038
摘要： A positive-working lithographic printing plate precursor is disclosed which comprises (i) a grained and anodized aluminum support having a hydrophilic surface and (ii) a heat-sensitive oleophilic coating provided on the hydrophilic surface, wherein said coating comprises (a) a hydrophobic polymer which is soluble in an aqueous alkaline developer and (b) a dissolution inhibitor which is a water-repellent polymer and wherein said coating is capable of dissolving in said developer at a higher dissolution rate in areas of said coating which are exposed to heat or infrared light than in unexposed areas, characterized in that the hydrophilic surface has a surface roughness, measured according to ISO 4288 and expressed as arithmetical mean center-line roughness Ra′, which is less than 0.40 μm and the hydrophilic surface comprises a salt of titanium, hafnium or zirconium. A hydrophilic surface, which has a low surface roughness and contains a salt of titanium, hafnium or zirconium, is used to obtain an improved sensitivity of the coating with a reduced staining and an increased printing run length.
摘要翻译： 公开了一种正性平版印刷版前体，其包括（i）具有亲水表面的颗粒和阳极氧化铝载体和（ii）在亲水表面上提供的热敏亲油涂层，其中所述涂层包含（a）疏水性 可溶于碱性显影液的聚合物和（b）作为拒水聚合物的溶解抑制剂，其中所述涂层能够以较高的溶解速率溶解在所述显影剂中，所述涂层暴露于热或 其特征在于亲水表面具有根据ISO 4288测量的表面粗糙度，并表示为小于0.40μm的算术平均中心线粗糙度Ra'，并且亲水表面包含钛的盐 ，铪或锆。 使用具有低表面粗糙度并含有钛，铪或锆的盐的亲水性表面，以减少染色和增加的印刷行程长度来获得涂层的改善的敏感性。
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公开(公告)号：US20100133112A1
公开(公告)日：2010-06-03
申请号：US12375952
申请日：2007-07-06
摘要： A method for making a lithographic printing plate support is disclosed comprising the steps of: (i) providing an aluminum support; (ii) treating said support in an aqueous solution; (iii) graining said treated support in an electrolyte solution by applying an alternating voltage thereby inducing a local current density J; characterized in that said local current density J at time t fulfills the following equation: J(t)≦α+bQ(t) for t=o to t=tf and wherein Q(t) is the integrated value of the absolute value of the local current density at time t:(I)—a is equal to 5—b is equal to 10—and tf is the time necessary to obtain a value of Q(t) equal to 50 C/dm2. Q ( t ) = ∫ 0 t J ( τ ) τ
摘要翻译： 公开了一种制备平版印刷版支撑件的方法，包括以下步骤：（i）提供铝支架; （ii）在水溶液中处理所述载体; （iii）通过施加交流电压从而引起局部电流密度J将所述经处理的载体磨成电解质溶液; 其特征在于，时间t的所述局部电流密度J满足以下等式：对于t = o至t = tf，J（t）＆nlE;α+ bQ（t），其中Q（t）是绝对值的积分值 的时间t的局部电流密度：（I）-a等于5-b等于10，tf是获得等于50C / dm2的Q（t）的值所需的时间。 Q（t）=∫0 tJ（τ）цкиτ
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公开(公告)号：US20090035695A1
公开(公告)日：2009-02-05
申请号：US12280276
申请日：2007-02-09
CPC分类号： B41C1/1016 , B41C2201/02 , B41C2201/14 , B41C2210/02 , B41C2210/06 , B41C2210/14 , B41C2210/22 , B41C2210/24 , B41C2210/262 , B41N1/083 , B41N3/034
摘要： A positive-working lithographic printing plate precursor is disclosed comprising on a grained and anodized aluminum support having a hydrophilic surface or which is provided with hydrophilic layer, a coating comprising: (i) an infrared absorbing agent and at least one colorant; (ii) a first layer comprising a heat-sensitive oleophilic resin; and (iii) a second layer between said first layer and said hydrophilic support wherein said second layer comprises a polymer comprising at least one monomeric unit that comprises at least one sulfonamide group; wherein the surface of said grained and anodized aluminum support has a mean pit depth equal or smaller than 2.2 μm.
摘要翻译： 公开了一种正性平版印刷版原版，其包含在具有亲水表面的颗粒和阳极氧化铝载体上，或提供有亲水层，涂层包括：（i）红外吸收剂和至少一种着色剂; （ii）包含热敏亲油性树脂的第一层; 和（iii）在所述第一层和所述亲水性载体之间的第二层，其中所述第二层包含包含至少一个包含至少一个磺酰胺基团的单体单元的聚合物; 其中所述颗粒和阳极氧化铝载体的表面的平均凹坑深度等于或小于2.2μm。
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