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1.发明授权
公开(公告)号：US4678551A
公开(公告)日：1987-07-07
申请号：US786023
申请日：1985-10-10
申请人： Haruo Nakanishi , Hirokazu Sakaki , Toru Yamazaki , Yoshio Okishi
发明人： Haruo Nakanishi , Hirokazu Sakaki , Toru Yamazaki , Yoshio Okishi
CPC分类号： B41N3/038 , Y10T428/12229 , Y10T428/12472
摘要： A process for producing an aluminum support for a lithographic printing plate, comprising chemical graining of an aluminum plate with an etching solution, is disclosed. The etching solution contains a mineral acid and an unsaturated concentration aluminum salt of a mineral acid. The printing plate produced from the support exhibits high printing durability and excellent performance in preventing stains in non-image areas.
摘要翻译： 公开了一种用于生产用于平版印刷版的铝支撑体的方法，其包括具有蚀刻溶液的铝板的化学粒化。 蚀刻溶液含有矿物酸和无机酸的不饱和浓度的铝盐。 由支持体制成的印版具有高的印刷耐久性和优异的防止非图像区域中的污渍的性能。
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2.发明授权
公开(公告)号：US5061591A
公开(公告)日：1991-10-29
申请号：US359344
申请日：1989-05-31
申请人： Haruo Nakanishi , Hirokazu Sakaki
发明人： Haruo Nakanishi , Hirokazu Sakaki
CPC分类号： B41N3/034
摘要： The present invention relates to an aluminum support for a lithographic plate, whose surface is electrochemically roughened and has the following conditions:a) an arithmetic mean of the pit diameters of the electrolytically etched support is 4 .mu.m or less,b) a difference between an arithmetic mean (D.sub.L) of the maximum pit diameter of the support in the rolling direction and an arithmetic mean (D.sub.LT) of the maximum pit diameter of the support in the direction perpendicular to the rolling direction is larger than 10% of the maximum pit diameter (a larger one of D.sub.L and D.sub.LT),c) the number of pits detected with a surface roughness tester having a profilometer using a stylus having a tip radius of 1 .mu.m is at last 200/mm, andd) an average centerline roughness is 0.2 .mu.m to 1.0 .mu.m.According to the present invention, a lithographic plate having the aluminum support is excellent in both of a printing durability and a stain proofness.
摘要翻译： 本发明涉及一种用于光刻板的铝支架，其表面经电化学粗糙化并具有以下条件：a）电解蚀刻载体的凹坑直径的算术平均值为4μm或更小，b） 支撑体在轧制方向上的最大凹坑直径的算术平均值（DL）和支撑件在垂直于轧制方向的方向上的最大凹坑直径的算术平均值（DLT）大于最大凹坑的10％ 直径（DL和DLT中较大的一个），c）使用具有尖端半径为1μm的触针的具有轮廓仪的表面粗糙度测试仪检测到的凹坑的数量为最后200个/ mm，d）平均中心线 粗糙度为0.2〜1.0μm。 根据本发明，具有铝载体的平版印刷版在印刷耐久性和防污性方面均优异。
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公开(公告)号：US4915800A
公开(公告)日：1990-04-10
申请号：US284661
申请日：1988-12-15
申请人： Haruo Nakanishi , Hirokazu Sakaki
发明人： Haruo Nakanishi , Hirokazu Sakaki
摘要： The present invention relates to a process for electrically surface-roughening an aluminum support comprising forming an organic or inorganic coating on the aluminum support before the electrolytic surface-roughening of the aluminum plate. According to the present invention, a lithographic printing plate whose non-image area is difficult to be stained and which has an excellent printing durability is obtained.
摘要翻译： 本发明涉及一种铝表面粗糙化铝载体的方法，包括在铝板的电解表面粗糙化之前在铝载体上形成有机或无机涂层。 根据本发明，获得非图像区域难以染色且印刷耐久性优异的平版印刷版。
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4.发明授权
公开(公告)号：US4833065A
公开(公告)日：1989-05-23
申请号：US914480
申请日：1986-10-01
申请人： Haruo Nakanishi , Hirokazu Sakaki
发明人： Haruo Nakanishi , Hirokazu Sakaki
CPC分类号： B41N3/034
摘要： In a process for producing a support for a lithographic printing plate, at least one surface of an aluminum sheet is subjected to roughening treatment and subsequently to anodic oxidation treatment at a current density of at least 1 A/dm.sup.2 in an electrolytic solution containing 0.1 to 5% by weight of an alkaline electrolyte. Even if scratches are formed on non-image areas of a printing plate prepared from the support according to the invention, such scratches cause less stains on a printed matter.
摘要翻译： 在制备平版印刷版支撑体的方法中，将铝片的至少一个表面进行粗糙化处理，然后在至少1A / dm 2的电流密度下进行阳极氧化处理，所述电解溶液含有0.1至 5重量％的碱性电解质。 即使在根据本发明的支撑件制备的印刷版的非图像区域上形成划痕，这种划痕在印刷物上引起较少的污渍。
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公开(公告)号：US4686021A
公开(公告)日：1987-08-11
申请号：US719086
申请日：1985-04-02
申请人： Haruo Nakanishi , Hisao Ohba , Hirokazu Sakaki
发明人： Haruo Nakanishi , Hisao Ohba , Hirokazu Sakaki
CPC分类号： B41N3/034 , Y10S204/09
摘要： A process of preparing a lithographic support, the lithographic support produced by the process and a presensitized plate are disclosed. The process comprises chemically graining at least one surface of an aluminium plate with an aqueous solution containing chloride, fluoride or a mixture thereof and thereafter electrochemically graining the surface. The presensitized plate comprises a lithographically suitable light-sensitive coating on the lithographic support.
摘要翻译： 公开了制备平版印刷载体的方法，由该方法产生的平版印刷载体和预敏化板。 该方法包括用含有氯化物，氟化物或其混合物的水溶液化学磨碎铝板的至少一个表面，然后电化学地使该表面磨平。 预敏板在光刻支撑件上包括光刻合适的感光涂层。
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公开(公告)号：US4547274A
公开(公告)日：1985-10-15
申请号：US500203
申请日：1983-06-01
申请人： Azusa Ohashi , Hirokazu Sakaki , Haruo Nakanishi , Zenichi Tanabe , Shin Tsuchida , Yoshikatsu Hayashi
发明人： Azusa Ohashi , Hirokazu Sakaki , Haruo Nakanishi , Zenichi Tanabe , Shin Tsuchida , Yoshikatsu Hayashi
摘要： A lithographic printing plate support and a process for producing it are disclosed. The plate is produced by providing an aluminum alloy material which is comprised of 0.20 to 1.0% Fe, 0.005 to 0.1% of an element selected from the group consisting of Sn, In, Ga and Zn and the remainder being aluminum. The alloy may further contain 0.1 to 2% Cu. After providing the aluminum material either or both of its surfaces are subjected to a chemical etching treatment in order to provide a uniform and dense grain structure on the surface forming primary pits in the surface having a particularly defined average size. The surface is then subjected to electrochemical etching treatment in an acidic electrolytic solution in order to provide secondary pits on the surface also having a particularly defined average size. The support base may be further treated to provide in additional coating thereon or directly coated with a light-sensitive layer in order to provide a light-sensitive lithographic printing plate. By providing the particular alloy material and subjecting it to the disclosed treatment the light-sensitive layer has good adhesion with respect to the support.
摘要翻译： 公开了平版印刷版支撑体及其制造方法。 通过提供由0.20〜1.0％的Fe，0.005〜0.1％的选自Sn，In，Ga和Zn的元素和余量为铝的铝合金材料制成。 该合金还可以含有0.1〜2％的Cu。 在提供铝材料之后，对其表面之一或两者进行化学蚀刻处理，以便在具有特别限定的平均尺寸的表面上形成初始凹坑的表面上提供均匀且致密的晶粒结构。 然后将表面在酸性电解液中进行电化学蚀刻处理，以便在具有特别限定的平均尺寸的表面上提供二次凹坑。 可以进一步处理支撑基底以在其上附加涂层或直接涂覆感光层，以便提供感光平版印刷版。 通过提供特定的合金材料并对其进行所公开的处理，感光层相对于载体具有良好的粘合性。
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公开(公告)号：US5104484A
公开(公告)日：1992-04-14
申请号：US581922
申请日：1990-09-13
摘要： A method for manufacturing a substrate for presensitized plates for use in making lithographic printing plates comprises the steps of electrolytically surface-roughening an aluminum plate or an aluminum alloy plate in a nitric acid-containing electrolyte and then etching the surface with an alkali or an acid to thus form irregularity in the order of not more than 0.1 .mu.m within pits formed on the surface during the electrolytic surface roughening treatment. The method makes it possible to provide a lithographic printing plate stably and simultaneously having excellent printing durability and good resistance to background contamination of non-image areas.
摘要翻译： 用于制造平版印刷版的用于预敏化板的基板的方法包括以下步骤：在含硝酸的电解质中电解表面粗糙化铝板或铝合金板，然后用碱或酸蚀刻表面 从而在电解表面粗糙化处理期间在形成在表面上的凹坑内形成不大于0.1μm的不规则性。 该方法可以稳定且同时地提供平版印刷版，具有优异的印刷耐久性和良好的抗非图像区域的背景污染。
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8.发明授权Method of preparing a lithographic printing plate using a developer containing a development stabilizer 失效使用包含显影稳定剂的显影剂制备平版印刷版的方法
公开(公告)号：US5837425A
公开(公告)日：1998-11-17
申请号：US974228
申请日：1997-11-19
申请人： Haruo Nakanishi , Tadao Toyama , Hiroshi Matsumoto
发明人： Haruo Nakanishi , Tadao Toyama , Hiroshi Matsumoto
CPC分类号： G03F7/322
摘要： Provided are a developer suitable for both positive working and negative working photosensitive lithographic printing plates for lithography and a replenisher thereof which comprise as a development stabilizer at least one compound selected from the group consisting of sugars, oximes, phenols and fluorinated alcohols in a proportion of at least 0.01 mole/l and have their pH values in the range of 11.0 to 13.5 by containing an alkali agent and a developer for photosensitive lithographic printing plates which comprises (1) a compound represented by formula (A) or (B) described in the present specification, (2) at least one compound selected from the group consisting of phenols, sugars, oximes and fluorinated alcohols which have buffering effect in the pH range of 11.5 to 13.5 and (3) a specific alkali agent, and has a pH of 11.5 to 13.5.
摘要翻译： 本发明提供一种适用于平版印刷的正性和负型光敏平版印刷版及其补充剂的显影剂，其包含至少一种选自糖，肟，酚和氟化醇的化合物作为展开稳定剂，其比例为 至少0.01摩尔/升，并且通过含有碱剂和用于光敏平版印刷版的显影剂，其pH值在11.0至13.5的范围内，其包含（1）由式（A）或（B）表示的化合物 在本说明书中，（2）选自酚类，糖类，肟类和氟化醇中的至少一种化合物，其在11.5〜13.5的pH范围内具有缓冲作用，和（3）特定的碱剂，并且具有pH 为11.5至13.5。
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