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    • 2. 发明授权
    • Photosensitive, flexo printing element and method for the production of newspaper flexo printing plates
    • 感光柔版印刷元件和生产报纸柔版印刷版的方法
    • US07235346B2
    • 2007-06-26
    • US10485201
    • 2002-07-18
    • Rolf KnöllHartmut SandigUwe StebaniThomas TelserThomas Zwez
    • Rolf KnöllHartmut SandigUwe StebaniThomas TelserThomas Zwez
    • G03F7/028G03F7/032G03F7/11
    • G03F7/0048G03F7/027G03F7/033Y10S430/145Y10S430/146
    • The present invention relates to a photosensitive flexographic printing element for the production of flexographic newspaper printing plates, comprising at least a flexible, metallic support, an adhesive layer applied thereto, a photopolymerizable layer which can be developed in organic media and which itself comprises at least one elastomeric binder, ethylenically unsaturated monomers, a photoinitiator or photoinitiator system and a plasticizer, a transparent substrate layer, and optionally a removable protective film, where the total thickness of the flexographic printing element is from 300 to 1000 μm, the elastomeric binder has a weight average molecular weight Mw of from 80,000 to 150,000 g/mol and a Shore A hardness of from 50 to 80, and the amount of plasticizer is from 5 to 50% by weight, based on the amount of all constituents of the photopolymerizable layer, and to a process for the production of flexographic newspaper printing plates by imagewise exposure of the flexographic printing element to actinic light, followed by development and drying at from 105 to 160° C.
    • 本发明涉及一种用于生产柔版印刷印版的感光性柔性版印刷元件,其至少包括柔性金属支撑体,施加到其上的粘合剂层,可在有机介质中显影的可光聚合层,并且其本身至少包括 一种弹性粘合剂,烯属不饱和单体,光引发剂或光引发剂体系和增塑剂,透明基材层和任选的可除去的保护膜,其中柔性版印刷元件的总厚度为300至1000μm,弹性粘合剂具有 重量平均分子量M w s为80,000至150,000g / mol,肖氏A硬度为50至80,增塑剂的量为5至50重量%,基于 的可光聚合层的所有组分,以及通过成像曝光生产柔版印刷版印刷版的方法 柔性版印刷元件进行光化,然后在105至160℃下显影和干燥。
    • 5. 发明授权
    • Processes and apparatus for producing photopolymerizable, cylindrical, continuous, seamless flexographic printing elements
    • 用于生产光聚合,圆柱形,连续,无缝柔版印刷元件的方法和设备
    • US08066837B2
    • 2011-11-29
    • US11665482
    • 2005-10-12
    • Uwe StebaniUwe KraussUdo MetzmannInge Raschke-Metzmann, legal representative
    • Uwe StebaniUwe KraussUdo Metzmann
    • B29C63/10B29C65/02B29C65/18B65H81/00B32B37/02B32B38/10B32B43/00
    • G03F7/18Y10T156/1066Y10T156/1079Y10T156/108
    • Processes comprising providing a layer composite comprising a layer of photopolymerizable material and a removable substrate film disposed on one side of the layer of photopolymerizable material, wherein the photopolymerizable material comprises an elastomeric binder, an ethylenically unsaturated monomer and a photoinitiator; and (a) miter-cutting two edges of the layer composite to be joined, to form two miter-cut ends; (b) providing a hollow cylinder on a rotatably mounted support cylinder, wherein the hollow cylinder has an outer surface and is in a temporarily locked position relative to the support cylinder; (c) applying an adhesion-promoting layer to the outer surface of the hollow cylinder; (d) applying the layer composite to the hollow cylinder bearing the adhesive-promoting layer, wherein the layer composite is disposed on the hollow cylinder such that the removable substrate film faces away from the hollow cylinder and the two miter-cut ends lie substantially one on top of the other, but not overlapping; (e) removing the substrate film from the layer of photopolymerizable material to provide an exposed surface of the layer of photopolymerizable material; (f) contacting the exposed surface of the layer of photopolymerizable material with a rotating calender roll with heating to join the two miter-cut edges and form a processed hollow cylinder, wherein heating comprises a locally-acting heat source moved in an axial direction relative to the hollow cylinder along the entire width of the layer of photopolymerizable material such that the exposed surface is heated; and (g) removing the processed hollow cylinder from the support cylinder.
    • 包括提供包含可光聚合材料层的层复合物和设置在可光聚合材料层的一侧上的可移除基底膜的方法,其中所述可光聚合材料包含弹性体粘合剂,烯属不饱和单体和光引发剂; 和(a)将要接合的层复合材料的两个边缘进行斜切,以形成两个斜切端; (b)在可旋转地安装的支撑筒上设置中空圆柱体,其中所述中空圆柱体具有外表面并且相对于所述支撑圆筒处于临时锁定位置; (c)将粘合促进层施加到中空圆柱体的外表面; (d)将层复合物施加到承载有粘合剂促进层的中空圆柱体上,其中层复合材料设置在中空圆柱体上,使得可移除基底膜远离中空圆柱体,并且两个切口端基本上位于一个 在另一个之上,但不重叠; (e)从可光聚合材料层除去基材膜以提供可光聚合材料层的暴露表面; (f)使可光聚合材料层的暴露表面与旋转的压延辊接触,加热以连接两个斜切边并形成加工的中空圆柱体,其中加热包括沿轴向相对移动的局部作用的热源 沿着所述可光聚合材料层的整个宽度到所述中空圆筒,使得暴露的表面被加热; 和(g)从支撑筒中取出经处理的中空圆柱体。
    • 6. 发明申请
    • Method and device for the production of photopolymerisable cylindrical jointless flexographic printing elements
    • 用于生产可光聚合的圆柱形无缝柔版印刷元件的方法和装置
    • US20090173435A1
    • 2009-07-09
    • US11665482
    • 2005-10-12
    • Uwe StebaniUwe KraussUdo MetzmannInge Raschke-Metzmann
    • Uwe StebaniUwe KraussUdo MetzmannInge Raschke-Metzmann
    • B32B37/02B32B37/00B32B38/10
    • G03F7/18Y10T156/1066Y10T156/1079Y10T156/108
    • Processes comprising providing a layer composite comprising a layer of photopolymerizable material and a removable substrate film disposed on one side of the layer of photopolymerizable material, wherein the photopolymerizable material comprises an elastomeric binder, an ethylenically unsaturated monomer and a photoinitiator; and (a) miter-cutting two edges of the layer composite to be joined, to form two miter-cut ends; (b) providing a hollow cylinder on a rotatably mounted support cylinder, wherein the hollow cylinder has an outer surface and is in a temporarily locked position relative to the support cylinder; (c) applying an adhesion-promoting layer to the outer surface of the hollow cylinder; (d) applying the layer composite to the hollow cylinder bearing the adhesive-promoting layer, wherein the layer composite is disposed on the hollow cylinder such that the removable substrate film faces away from the hollow cylinder and the two miter-cut ends lie substantially one on top of the other, but not overlapping; (e) removing the substrate film from the layer of photopolymerizable material to provide an exposed surface of the layer of photopolymerizable material; (f) contacting the exposed surface of the layer of photopolymerizable material with a rotating calender roll with heating to join the two miter-cut edges and form a processed hollow cylinder, wherein heating comprises a locally-acting heat source moved in an axial direction relative to the hollow cylinder along the entire width of the layer of photopolymerizable material such that the exposed surface is heated; and (g) removing the processed hollow cylinder from the support cylinder.
    • 包括提供包含可光聚合材料层的层复合物和设置在可光聚合材料层的一侧上的可移除基底膜的方法,其中所述可光聚合材料包含弹性体粘合剂,烯属不饱和单体和光引发剂; 和(a)将要接合的层复合材料的两个边缘进行斜切,以形成两个斜切端; (b)在可旋转地安装的支撑筒上设置中空圆柱体,其中所述中空圆柱体具有外表面并且相对于所述支撑圆筒处于临时锁定位置; (c)将粘合促进层施加到中空圆柱体的外表面; (d)将层复合物施加到承载有粘合剂促进层的中空圆柱体上,其中层复合材料设置在中空圆柱体上,使得可移除基底膜远离中空圆柱体,并且两个切口端基本上位于一个 在另一个之上,但不重叠; (e)从可光聚合材料层除去基材膜以提供可光聚合材料层的暴露表面; (f)使可光聚合材料层的暴露表面与旋转的压延辊接触,加热以连接两个斜切边并形成加工的中空圆柱体,其中加热包括沿轴向相对移动的局部作用的热源 沿着所述可光聚合材料层的整个宽度到所述中空圆筒,使得暴露的表面被加热; 和(g)从支撑筒中取出经处理的中空圆柱体。