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    • 1. 发明授权
    • Aluminum support for lithographic printing plate
    • 铝版印刷版支架
    • US5832834A
    • 1998-11-10
    • US888058
    • 1997-07-03
    • Atsuo NishinoKiyotaka FukinoAkio Uesugi
    • Atsuo NishinoKiyotaka FukinoAkio Uesugi
    • B41N1/08B41N3/03B41N3/04C22C21/00C23F1/00C25F3/04C25D11/04
    • B82Y15/00B41N3/034Y10T428/12993
    • An aluminum support for a lithographic printing plate used in off-set printing or the like is disclosed, having a surface shape determined using an atomic force microscope (AFM) such that when measured within the measurement range of 100 .mu.m square with the resolution in the horizontal (X, Y) direction being 0.1 .mu.m, assuming that the surface area obtained by an approximate three-point problem is .alpha. and the upper projected area is .beta., the .alpha./.beta. value (specific surface area) is from 1.15 to 1.5, and when measured within the measurement range of 240 .mu.m square with the resolution in the horizontal (X, Y) direction being 1.9 .mu.m, the average surface roughness is from 0.35 to 1.0 .mu.m and the ratio of the sum of the surface area where the gradient of 30.degree. or more to the total surface area is from 5 to 40%.
    • 公开了一种用于偏移印刷等中使用的平版印刷版的铝载体,具有使用原子力显微镜(AFM)测定的表面形状,使得当在100μm的测量范围内测量时,其分辨率 水平(X,Y)方向为0.1μm,假设由近似三点问题获得的表面积为α,上部投影面积为β,则α/β值(比表面积)为1.15〜 1.5,当在水平(X,Y)方向上的分辨率为1.9μm的测量范围240μm的范围内测量时,平均表面粗糙度为0.35-1.0μm,并且 30°以上的总表面积的梯度为5〜40%的表面积。
    • 4. 发明申请
    • Method of manufacturing lithographic printing plate support
    • 平版印刷版支架的制造方法
    • US20060057500A1
    • 2006-03-16
    • US11227167
    • 2005-09-16
    • Hirokazu SawadaAtsuo NishinoAkio Uesugi
    • Hirokazu SawadaAtsuo NishinoAkio Uesugi
    • G03F7/00
    • B41N3/034C25F3/04
    • Disclosed is a method of manufacturing a lithographic printing plate support including the step of: subjecting an aluminum plate at least to electrochemical graining treatment in which alternating current is passed through the aluminum plate in an aqueous solution containing hydrochloric acid so that the total amount of electricity when the aluminum plate serves as an anode is at least 250 C/dm2, thereby obtaining a lithographic printing plate support, wherein the aluminum plate contains not more than 30 ppm of Cu and 10 to 200 ppm of at least one element selected from the group consisting of Ga, V, Zn, In, Ni, Pb and Cr, contains at least 15 ppm of Fe in a form of a solid solution, and has a pattern of recessed and protruded portions formed on a surface thereof. By this method, a lithographic printing plate support which can be used for a presensitized plate excellent in various properties such as press life, scumming resistance and resistance to piling is obtained without performing mechanical graining treatment using nylon brushes and an abrasive.
    • 公开了一种平版印刷版支撑体的制造方法,包括以下步骤:至少对铝板进行电化学粗化处理,其中交替电流通过含有盐酸的水溶液中的铝板,使得总电量 当铝板作为阳极为至少250C / dm 2时,从而获得平版印刷版支撑体,其中铝板含有不超过30ppm的Cu和10-200ppm的 选自Ga,V,Zn,In,Ni,Pb和Cr中的至少一种元素含有至少15ppm的固溶体形式的Fe,并且具有形成在 其表面。 通过这种方法,可以获得可以用于具有压延寿命,耐浮渣性和耐打桩性等各种性能的预敏板的平版印刷版支撑体,而不用尼龙刷和研磨剂进行机械粗化处理。
    • 6. 发明授权
    • Production method for an aluminum support for a lithographic printing plate
    • 平版印刷版铝支架的制造方法
    • US06596150B2
    • 2003-07-22
    • US09320445
    • 1999-05-27
    • Atsuo NishinoYoshitaka MasudaHirokazu SawadaAkio UesugiMasahiro Endo
    • Atsuo NishinoYoshitaka MasudaHirokazu SawadaAkio UesugiMasahiro Endo
    • B01N303
    • B41N3/04B41N3/034C23F1/36C23G1/125C25F3/04
    • Disclosed is a production method of an aluminum support for a lithographic printing plate, capable of stable and low-cost production of an aluminum support for a lithographic printing plate, the support being scarcely subject to generation of treatment unevenness called streaks or grainy unevenness ascribable to the different in the aluminum dissolving rate due to the difference in the orientation of the crystal grain. The aluminum support is produced by surface graining and then polishing an aluminum plate or by polishing an aluminum plate while etching it in an aqueous acid or alkali solution. The aluminum plate may be subjected to polishing and then to anodization or may be subjected to polishing, to surface graining, again to or not to polishing and then to anodization. A production method for producing a high-quality support for a lithographic printing plate, free of local unevenness is also disclosed.
    • 公开了用于平版印刷版的铝载体的制造方法,其能够稳定且低成本地生产用于平版印刷版的铝载体,所述载体几乎不产生称为条纹或颗粒状不均匀性的归因于 由于晶粒取向的差异,铝溶解速率不同。 铝载体通过表面粗糙化,然后抛光铝板或通过抛光铝板,同时在酸性或碱性水溶液中蚀刻而制备。 可以对铝板进行抛光,然后进行阳极氧化,或者进行抛光,再进行抛光,然后进行阳极氧化处理。 还公开了一种用于生产没有局部不平坦的平版印刷版的高品质支撑体的制造方法。
    • 8. 发明申请
    • Method of manufacturing a support for a lithographic printing plate
    • 制造平版印刷版支撑体的方法
    • US20060231413A1
    • 2006-10-19
    • US11402814
    • 2006-04-13
    • Atsuo NishinoYoshinori HottaAkio Uesugi
    • Atsuo NishinoYoshinori HottaAkio Uesugi
    • B23H5/06
    • B41N3/03B41N3/04
    • Disclosed is a method of manufacturing a lithographic printing plate support wherein an aluminum plate is subjected at least to, in order, a mechanical graining treatment in which the aluminum plate is grained to a mean surface roughness Ra of 0.25 to 0.40 μm using a brush and a slurry containing an abrasive, an electrochemical graining treatment in which the aluminum plate is grained using an alternating current in an aqueous solution containing nitric acid, and an alkali etching treatment in which the aluminum plate is etched in an aqueous alkali solution, thereby obtaining the lithographic printing plate support having a mean surface roughness Ra after the alkali etching treatment of 0.41 to 0.6 μm. By this method, there can be obtained a lithographic printing plate support for use in presensitized plates which, when processed into lithographic printing plates, have a long press life, an excellent scumming resistance, and an excellent cleaner resistance.
    • 公开了一种制造平版印刷版支撑件的方法,其中铝板至少依次进行机械砂纹处理,其中铝板被磨平至平均表面粗糙度R a a 使用刷子和含有研磨剂的浆料0.25〜0.40μm,在含有硝酸的水溶液中使用交替电流对铝板进行电化学粗化处理,以及蚀刻铝板的碱蚀刻处理 碱性水溶液,从而得到碱蚀刻处理后的平均表面粗糙度R a a a 0.41〜0.6μm的平版印刷版支撑体。 通过这种方法,可以获得用于预敏板的平版印刷版支撑体,其在加工成平版印刷版时具有长的印刷寿命,优异的防浮渣性和优异的清洁剂耐性。