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1. 发明授权

US6138568A Planographic printing member and process for its manufacture 失效
标题翻译：普通印刷机构及其制造工艺
公开(公告)号：US6138568A
公开(公告)日：2000-10-31
申请号：US366489
申请日：1999-08-03
申请人： Christopher D. McCullough , Kevin B. Ray , Michael S. Yates , Colin J. Griffiths , Mark J. Spowage , Peter A. R. Bennett , Harjit S. Bhambra
发明人： Christopher D. McCullough , Kevin B. Ray , Michael S. Yates , Colin J. Griffiths , Mark J. Spowage , Peter A. R. Bennett , Harjit S. Bhambra
IPC分类号： B41C1/10 , B41N1/14 , B41N3/03
CPC分类号： B41C1/1033 , B41N1/14 , B41N3/038
摘要： A planographic printing member comprising a substrate, an oleophilic layer, an infra-red sensitive/ablatable layer, and a hydrophilic layer. The hydrophilic layer is derived from a silicate solution, optionally containing particulate materials such as alumina and/or titania. The printing member may be exposed to radiation from a laser which ablates the infra-red sensitive/ablatable layer to reveal areas of the oleophilic layer. An exposed printing member may be used in wet lithographic printing.
摘要翻译：平版印刷构件，包括基底，亲油层，红外线敏感/可消融层和亲水层。亲水层衍生自硅酸盐溶液，任选地含有颗粒材料如氧化铝和/或二氧化钛。印刷构件可能暴露于来自消融红外线敏感/可消融层的激光器的辐射，以露出亲油层的面积。暴露的印刷构件可以用于湿式平版印刷。

2. 发明授权

US06357351B1 Substrate for planographic printing 失效
标题翻译：平版印刷基板
公开(公告)号：US06357351B1
公开(公告)日：2002-03-19
申请号：US09441314
申请日：1999-11-16
申请人： Harjit S. Bhambra , Robert M. Organ , Barry Jolliffe , Elvyn R. Tolley
发明人： Harjit S. Bhambra , Robert M. Organ , Barry Jolliffe , Elvyn R. Tolley
IPC分类号： B41N300
CPC分类号： B41N3/038
摘要： A method for preparing a substrate for a planographic printing member is disclosed. A liquid that contains water; a soluble alkali metal silicate, preferably sodium silicate; and a dispersed particulate material is coated on a support, to produce a hydrophilic layer on the support. A layer of image material may be coated over the hydrophilic layer to produce a planographic printing member. In one embodiment the liquid contains a mixture of two particulate materials, preferably alumina and titanium dioxide. The substrate has a surface roughness of about 0.1 &mgr;m to 2 &mgr;m. The substrate is suitable for preparing a planographic printing member processable to a resolution of 10 &mgr;m or less and in which the dots having a roundness of less than 2 are formed.
摘要翻译：公开了一种用于制备平版印刷部件用基板的方法。含有水的液体可溶性碱金属硅酸盐，优选硅酸钠; 并且将分散的颗粒材料涂覆在载体上，以在载体上产生亲水层。一层图像材料可以涂覆在亲水层上以产生平版印刷构件。在一个实施方案中，液体包含两种颗粒材料的混合物，优选氧化铝和二氧化钛。基材的表面粗糙度为约0.1〜2μm。该基材适于制备可加工成10μm或更小分辨率的平版印刷部件，其中形成圆度小于2的点。

3. 发明授权

US06427596B1 Method for making corrections on planographic printing plates 失效
标题翻译：在平版印刷版上进行校正的方法
公开(公告)号：US06427596B1
公开(公告)日：2002-08-06
申请号：US09440945
申请日：1999-11-16
申请人： Harjit S. Bhambra , Robert M. Organ , Kelvin Dickinson
发明人： Harjit S. Bhambra , Robert M. Organ , Kelvin Dickinson
IPC分类号： G03F730
CPC分类号： B41N3/08
摘要： A method for correcting mistakes and other imperfections in printing members is disclosed. Ink accepting areas of the printing member are rendered non-ink accepting by treatment with a deletion fluid. Deletion fluids include, for example, acids, alkalis, and oxidizing formulations. A preferred deletion fluid is concentrated sulfuric acid.
摘要翻译：公开了一种用于校正印刷部件中的错误和其它缺陷的方法。通过用缺失液处理使印刷部件的油墨接受区域变得不油墨。缺失液包括例如酸，碱和氧化制剂。优选的缺失液是浓硫酸。

4. 发明授权

US07198882B2 Adhesion promoting polymeric materials and planographic printing elements containing them 失效
标题翻译：粘合促进聚合材料和含有它们的平版印刷元件
公开(公告)号：US07198882B2
公开(公告)日：2007-04-03
申请号：US10988656
申请日：2004-11-15
申请人： John M. Higgins , Ian M. Newington , Charles C. Anderson , Harjit S. Bhambra , Janglin Chen
发明人： John M. Higgins , Ian M. Newington , Charles C. Anderson , Harjit S. Bhambra , Janglin Chen
IPC分类号： G03F7/11
CPC分类号： B41N3/036 , Y10S430/155
摘要： The present invention provides a planographic printing element suitable to receive and bond with a subsequently applied hydrophilic layer comprises a substrate layer, such as polyester film or paper, having coated thereon an adhesion layer, said adhesion layer comprising a polymer having a glass transition temperature of less than 15C and containing functional groups such as hydroxyl, epoxy or glycidyl groups capable of reacting with the hydrophilic layer. The polymer may be a terpolymer of a hydroxyalkyl methacrylate, an alkyl acrylate and an aminoalkyl methacrylate. The polymer may be mixed with gelatin and the mixture applied to the substrate as a coating. The hydrophilic layer, which may comprise metal oxide particles, such as aluminium oxide and/or titanium dioxide particles in a sodium silicate binder, is subsequently applied as a coating to the adhesion layer.
摘要翻译：本发明提供了一种平版印刷元件，其适于接收并与随后施加的亲水层结合，所述亲水层包括其上涂覆有粘合层的基材层，例如聚酯膜或纸，所述粘合层包含玻璃化转变温度为小于15℃，并含有能够与亲水层反应的官能团如羟基，环氧基或缩水甘油基。聚合物可以是甲基丙烯酸羟烷基酯，丙烯酸烷基酯和甲基丙烯酸氨基烷基酯的三元共聚物。聚合物可以与明胶混合，并将混合物作为涂层施加到基材上。随后，可以将包含金属氧化物颗粒（例如硅酸钠粘合剂中的氧化铝和/或二氧化钛颗粒）的亲水层作为涂层涂覆到粘合层上。

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