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1.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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3.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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5.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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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：US5114825A
公开(公告)日：1992-05-19
申请号：US361430
申请日：1989-06-05
摘要： An aluminum alloy substrate for presensitized plates for use in making lithographic printing plates comprises an aluminum alloy plate composed of not less than 0.05% by weight and less than 0.5% by weight of Si; 0.2 to 0.7% by weight of Fe; 0.3 to 1.5% by weight of Mn; less than 0.5% by weight of Cu; and the balance of aluminum and unavoidable impurities, the surface of the aluminum alloy plate being subjected to electrolytic graining treatment. The aluminum alloy substrates for PS plates are favorable for appropriate electrolytic graining treatment and show good printing properties and sufficient strength suitable for high-speed printing operation.
摘要翻译： 用于制造平版印刷版的用于预感板的铝合金基板包括由不小于0.05重量％且小于0.5重量％的Si组成的铝合金板; 0.2〜0.7重量％的Fe; 0.3〜1.5重量％的Mn; 小于0.5重量％的Cu; 铝和不可避免的杂质的平衡，对铝合金板的表面进行电解砂化处理。 用于PS板的铝合金基板有利于适当的电解粒化处理，并且显示出良好的印刷性能和足够的强度适合于高速印刷操作。
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8.发明授权
公开(公告)号：US4259434A
公开(公告)日：1981-03-31
申请号：US145105
申请日：1980-04-30
CPC分类号： G03F7/322
摘要： A development method which comprises imagewise exposing a positive acting light-sensitive planographic printing plate comprising an aluminum support and a light-sensitive layer of an o-quinonediazide compound formed thereon, and then developing the exposed plate with a developer, comprising an aqueous solution of an alkali metal silicate, adding a supplementary solution comprising an aqueous solution of an alkali metal silicate to the developer to compensate for the degradation of the developer brought about by development and/or by carbon dioxide in the air; wherein the developer comprises an aqueous solution of an alkali metal salt having an [SiO.sub.2 ]/[M] ratio of from 0.5 to 0.75 and an SiO.sub.2 concentration of from 1 to 4% by weight based on the total weight of the developer, where [SiO.sub.2 ] represents the concentration of SiO.sub.2 per unit volume expressed as gram-molecules, and [M] represents the concentration of the alkali metal per unit volume expressed as gram-atoms, and the supplementary solution comprises an aqueous solution of an alkali metal silicate having an [SiO.sub.2 ]/[M] ratio of from 0.25 to 0.75.
摘要翻译： 一种显影方法，其包括成像曝光包含铝载体和形成在其上的邻醌二叠氮化合物的感光层的正性光敏平版印刷版，然后用显影剂将曝光的板显影， 碱金属硅酸盐，将含有碱金属硅酸盐水溶液的补充溶液加入到显影剂中以补偿由显影产生的显影剂和/或二氧化碳在空气中的降解; 其中显影剂包含基于显影剂总重量的[SiO 2] / [M]比为0.5至0.75和SiO 2浓度为1至4重量％的碱金属盐的水溶液，其中[ SiO 2]表示以克分子表示的每单位体积的SiO 2浓度，[M]表示以克原子表示的每单位体积的碱金属的浓度，补充溶液包含碱金属硅酸盐的水溶液， 0.25〜0.75的[SiO 2] / [M]比。
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公开(公告)号：US4082040A
公开(公告)日：1978-04-04
申请号：US710038
申请日：1976-07-30
申请人： Toshiro Yamashina , Hirokazu Sakaki
发明人： Toshiro Yamashina , Hirokazu Sakaki
CPC分类号： C23C14/0617 , B41N1/006 , Y10S430/136
摘要： A lithographic printing plate comprising a support and a layer of aluminum nitride formed thereon, said layer of aluminum nitride having a thickness of from about 100 A to about 10,000 A.
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10.发明授权公开(公告)号：US06232037B1
公开(公告)日：2001-05-15
申请号：US08948669
申请日：1997-10-10
申请人： Akio Uesugi , Masahiro Endo , Hirokazu Sakaki
发明人： Akio Uesugi , Masahiro Endo , Hirokazu Sakaki
IPC分类号： G03F709
摘要： A lithographic printing plate having an average curvature in a rolling direction of 1.5×10−3 mm−1 or less, a curvature distribution in a crosswise direction of 1.5×10−3 mm−1 or less, and a curvature in a direction perpendicular to said rolling direction of 1.0×10−3 mm−1 or less and a method for producing the printing plate are disclosed. A method for producing a support for a lithographic printing plate is also disclosed, which comprises roughening a surface of an aluminum web having a center line average surface roughness of 0.15 to 0.35 &mgr;m and a maximum surface roughness of 1 to 3.5 &mgr;m by at least one of mechanical surface roughening, chemical etching and electrochemical surface roughening, and then applying anodization thereto.
摘要翻译： 平版印刷版，其轧制方向的平均曲率为1.5×10 -3 mm -1以下，横方向的曲率分布为1.5×10 -3 mm -1以下，以及与上述 轧制方向为1.0×10 -3 mm -1以下，公开了印刷版的制造方法。 还公开了一种用于制备平版印刷版支撑体的方法，其包括将中心线平均表面粗糙度为0.15至0.35μm，最大表面粗糙度为1至3.5μm的铝幅材的表面粗糙化至少一个 机械表面粗糙化，化学蚀刻和电化学表面粗糙化，然后对其进行阳极氧化。
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