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公开(公告)号：US07455953B2
公开(公告)日：2008-11-25
申请号：US10808812
申请日：2004-03-25
CPC分类号： B41C1/1008 , B41C1/1016 , B41C2201/02 , B41C2201/14 , B41C2210/02 , B41C2210/06 , B41C2210/22 , B41C2210/24 , B41C2210/262 , Y10S430/151
摘要： A positive working heat-sensitive lithographic printing plate precursor is disclosed which comprises a support having a hydrophilic surface and a coating, provided on the hydrophilic surface, wherein the coating comprises a spacer particle comprising aluminum hydroxide or aluminum oxide and having an average particle size larger than 0.3 μm, for improving the scuff-mark resistance of the coating. Furthermore, the coating comprises an infrared light absorbing agent, an oleophilic resin soluble in an aqueous alkaline developer and a developer resistant means.
摘要翻译： 公开了一种正性工作热敏平版印刷版原版，其包括设置在亲水表面上的具有亲水表面和涂层的载体，其中该涂层包含包含氢氧化铝或氧化铝并且平均粒径较大的间隔物颗粒 超过0.3μm，用于改善涂层的抗磨损性。 此外，涂层包括红外光吸收剂，可溶于碱性水溶液的亲油性树脂和耐显影剂的装置。
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公开(公告)号：US07022762B2
公开(公告)日：2006-04-04
申请号：US10802706
申请日：2004-03-17
IPC分类号： C08L9/04
摘要： A method has been disclosed of preparing ultrafine hydrophobic latex particles of polymers and copolymers by free radical emulsion polymerization in a water-based system, making use therefor, in order to polymerize or copolymerize monomers or monomer mixtures respectively, of at least one compound selected from the group consisting of dimers and cobalt complexes, acting as a chain transfer agent (CTA), wherein said latex particles have an average particle size of less than 100 nm, being more than 10% lower than if prepared in the absence of said CTA, characterized in that said polymerization is conducted in a water-based reaction in the presence of a chain transfer agent and of a surfactant, wherein said surfactant is present in a concentration versus said monomer or monomer mixture of from 5 up to 25% by weight for a non-ionic surfactant or from 0.05 up to 10% by weight for an ionic surfactant, more particularly a surfactant in a concentration below twice its critical micelle concentration.
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公开(公告)号：US06994026B2
公开(公告)日：2006-02-07
申请号：US10356996
申请日：2003-02-03
申请人： Frank De Voeght , Peter Slabbinck , Huub Van Aert
发明人： Frank De Voeght , Peter Slabbinck , Huub Van Aert
IPC分类号： B41C1/00
CPC分类号： G03F1/68
摘要： A method for the preparation of a flexographic printing plate is disclosed. In this method an ink jet image is used as mask for the exposure of a flexo plate precursor. The ink jet recording material is composed of several layers and comprises a binder, a cationic mordant and a spacing agent in its top layer.
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公开(公告)号：US20050106501A1
公开(公告)日：2005-05-19
申请号：US10987928
申请日：2004-11-12
申请人： Huub Van Aert , Bert Groenendaal , Hieronymus Andriessen , Martin Moller , Uwe Beginn , Ahmed Mourran
发明人： Huub Van Aert , Bert Groenendaal , Hieronymus Andriessen , Martin Moller , Uwe Beginn , Ahmed Mourran
CPC分类号： B41C1/1041 , Y10S430/145 , Y10S430/146
摘要： A heat sensitive lithographic printing plate precursor is disclosed comprising on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a coating comprising an infrared light absorbing agent and a copolymer which comprises a plurality of recurring units X having a hydrophilic polymeric pendant group and a plurality of recurring units Y having a hydrophobic polymeric pendant group. Said coating is capable of switching from a hydrophilic state into a hydrophobic state after exposure to heat and/or infrared light.
摘要翻译： 公开了一种热敏平版印刷版原版，其包含在具有亲水性表面的支持体上，或者设置有亲水层，包含红外光吸收剂的涂层和包含多个具有亲水性聚合物侧基的重复单元X的共聚物 基团和多个具有疏水性聚合物侧基的重复单元Y。 所述涂层能够在暴露于热和/或红外光之后从亲水状态转变成疏水状态。
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5.发明申请Binders for use in the thermosensitive elements of substantially light-insensitive thermographic recording materials 审中-公开用于基本上不透光的热敏记录材料的热敏元件的粘合剂公开(公告)号：US20050003315A1
公开(公告)日：2005-01-06
申请号：US10859528
申请日：2004-06-02
CPC分类号： G03C1/4989 , B41M5/3372 , B41M5/44 , B41M5/443 , B41M2205/40 , G03C1/04
摘要： A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of the support a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith and at least one binder, the at least one binder comprising at least one first polymer consisting of vinyl aceto-acetal monomer units, vinyl butyral monomer units and monomer units selected from the group consisting of, vinyl alcohol, vinyl acetate and itaconic acid monomer units, wherein the weight ratio of the at least one binder to the light-insensitive silver salt(s) of a carboxylic acid in the thermosensitive element is greater than 1.5; and the at least one binder optionally contains less than 40% by weight of a second polymer consisting of vinyl butyral monomer units and optionally vinyl alcohol and/or vinyl acetate monomer units.
摘要翻译： 一种基本上不光敏的单片热成像记录材料，其包含支撑体，并且在支撑体的一侧上具有热敏元件，所述热敏元件包含至少一种基本上不受光敏的羧酸银盐，至少一种用于热加工的还原剂 与至少一种粘合剂，所述至少一种粘合剂包含至少一种由乙烯基乙酰 - 缩醛单体单元，乙烯基缩丁醛单体单元和选自由乙烯醇，乙酸乙烯酯和衣康酸组成的组的单体单元组成的第一聚合物 单体单元，其中所述热敏元件中所述至少一种粘合剂与所述不敏感的羧酸的银盐的重量比大于1.5; 并且所述至少一种粘合剂任选地包含小于40重量％的由乙烯醇缩丁醛单体单元和任选的乙烯醇和/或乙酸乙烯酯单体单元组成的第二聚合物。
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6.发明申请公开(公告)号：US20050003298A1
公开(公告)日：2005-01-06
申请号：US10859288
申请日：2004-06-02
CPC分类号： G03C1/4989 , G03C1/04 , G03C1/49863
摘要： A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of the support a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith and at least one binder, the at least one binder comprising at least one first polymer consisting of vinyl aceto-acetal monomer units and optionally monomer units selected from the group consisting of vinyl alcohol, vinyl acetate and itaconic acid monomer units, wherein the weight ratio of the at least one binder to the light-insensitive silver salt(s) of a carboxylic acid in the thermosensitive element is greater than 1.6; and the at least one binder optionally contains less than 40% by weight of a second polymer consisting of vinyl butyral monomer units and optionally vinyl alcohol and/or vinyl acetate monomer units.
摘要翻译： 一种基本上不光敏的单片热成像记录材料，其包含支撑体，并且在支撑体的一侧上具有热敏元件，所述热敏元件包含至少一种基本上不受光敏的羧酸银盐，至少一种用于热加工的还原剂 与至少一种粘合剂，所述至少一种粘合剂包含至少一种由乙烯基乙酰 - 缩醛单体单元组成的第一聚合物和任选的选自乙烯醇，乙酸乙烯酯和衣康酸单体单元的单体单元，其中 所述至少一种粘合剂与所述热敏元件中羧酸的不敏感的银盐的重量比大于1.6; 并且所述至少一种粘合剂任选地包含小于40重量％的由乙烯醇缩丁醛单体单元和任选的乙烯醇和/或乙酸乙烯酯单体单元组成的第二聚合物。
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7.发明授权Heat mode sensitive imaging element for making positive working printing plates 有权加热模式敏感成像元件，用于制作正性印刷版公开(公告)号：US06489079B1
公开(公告)日：2002-12-03
申请号：US09391421
申请日：1999-09-08
IPC分类号： G03F7004
CPC分类号： B41C1/1025 , B41C2210/02 , B41C2210/06 , B41C2210/14 , B41C2210/24 , B41N1/083 , Y10S430/165
摘要： According to the present invention there is provided a heat mode imaging element for making a lithographic printing plate 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 unpenetrable for an alkaline developer wherein said first layer and said top layer may be one and the same layer; characterized in that said top layer contains at least one blockcopolymer in an amount between 0.5 and 500 mg/m2.
摘要翻译： 根据本发明，提供一种用于制造平版印刷版的热模式成像元件，该平版印刷版包括在具有亲水表面的平版印刷基底上，第一层包括可溶于碱性水溶液的聚合物和位于同一侧上的顶层 作为第一层的光刻基底，其顶层对于碱性显影剂是IR敏感的和不可穿透的，其中所述第一层和所述顶层可以是同一层; 其特征在于所述顶层含有至少一种0.5-500mg / m 2的嵌段共聚物。
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公开(公告)号：US07425402B2
公开(公告)日：2008-09-16
申请号：US10916154
申请日：2004-08-11
CPC分类号： B41C1/1008 , B41C2210/02 , B41C2210/04 , B41C2210/06 , B41C2210/22 , B41C2210/24 , B41C2210/262 , Y10S430/145
摘要： A heat-sensitive lithographic printing plate precursor is disclosed which comprises a hydrophilic support and an oleophilic coating comprising an infrared absorbing agent and a developer soluble polymer which comprises a phenolic monomeric unit wherein the phenyl group of the phenolic monomeric unit is substituted by a group Q, wherein Q has the structure and is covalently linked to a carbon atom of the phenyl group and wherein L1, L2 and L3 are linking groups, a, b and c are 0 or 1, and T1, T2 and T3 are terminal groups. The polymer, substituted by the group Q, increases the chemical resistance of the coating.
摘要翻译： 公开了一种热敏平版印刷版前体，其包含亲水性载体和亲油性涂层，其包含红外吸收剂和显影剂可溶性聚合物，其包含酚单体单元，其中酚单体单元的苯基被基团Q 其中Q具有结构并共价连接到苯基的碳原子上，其中L 1，L 2和L 3 3是 连接基团a，b和c分别是0或1，T 1，T 2和T 3是末端基团。 由Q组取代的聚合物增加了涂层的耐化学性。
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公开(公告)号：US07318995B2
公开(公告)日：2008-01-15
申请号：US11239534
申请日：2005-09-29
申请人： Sue Wilkinson , Huub Van Aert , Dirk Faes , Joan Vermeersch
发明人： Sue Wilkinson , Huub Van Aert , Dirk Faes , Joan Vermeersch
IPC分类号： G03F7/03
CPC分类号： B41C1/1025 , B41C2201/04 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/10 , B41C2210/22 , B41C2210/24 , G03F7/3035 , G03F7/32
摘要： A method for preparing a negative-working lithographic printing plate is provided which comprises the steps of (1) providing a lithographic printing plate precursor comprising on a grained and anodized aluminum support, having a hydrophilic surface, a coating comprising (i) polymer particles which are core-shell particles having a hydrophobic heat-softenable core and a hydrophilic shell and (ii) an infrared light absorbing agent, (2) exposing said coating to heat, thereby inducing coalescence of said polymer particles at exposed areas of said coating, and (iii) developing said precursor by applying a gum solution to said coating, thereby removing non-exposed areas of said coating from said support.According to the above method the printing plates exhibit after ageing an improved clean-out and a reduced background stain, resulting in toning-free printing.
摘要翻译： 提供了制备负性平版印刷版的方法，其包括以下步骤：（1）提供平版印刷版前体，其包含在具有亲水表面的颗粒和阳极氧化的铝载体上，涂层包含（i）聚合物颗粒， 是具有疏水性可热软化芯和亲水壳的核 - 壳颗粒和（ii）红外光吸收剂，（2）使所述涂层曝光加热，从而在所述涂层的暴露区域诱导所述聚合物颗粒的聚结，以及 （iii）通过将胶溶液施加到所述涂层来显影所述前体，从而从所述载体除去所述涂层的未曝光区域。 根据上述方法，印版在老化后显示出改善的清洁和减少的背景污点，导致无色调打印。
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公开(公告)号：US07297465B2
公开(公告)日：2007-11-20
申请号：US10834553
申请日：2004-04-29
申请人： Huub Van Aert , Bert Groenendaal , Marc Van Damme
发明人： Huub Van Aert , Bert Groenendaal , Marc Van Damme
CPC分类号： B41C1/1008 , B41C2210/02 , B41C2210/06 , B41C2210/22 , B41C2210/24 , B41C2210/262 , Y10S430/145
摘要： According to the present invention there is provided a positive-working lithographic printing plate precursor which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer, an oleophilic coating comprising an infrared absorbing agent, an alkali-soluble polymeric binder and a polysiloxane which comprises at least one carboxylic acid group or a salt thereof. The disclosed printing plate precursor has an improved sensitivity and at the same time a high under exposure latitude and a high developer resistance.
摘要翻译： 根据本发明，提供了一种正性平版印刷版原版，其包含在具有亲水性表面或具有亲水层的支持体上，亲水性涂层包含红外线吸收剂，碱溶性聚合物粘合剂和 包含至少一个羧酸基团或其盐的聚硅氧烷。 所公开的印版前体具有改进的灵敏度，同时高曝光宽度和高显影剂阻力。
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