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    Process for the production of back-coated recording material for the production of offset printing plates
    4.
    发明公开
    Process for the production of back-coated recording material for the production of offset printing plates 审中-公开
    一种用于制备Rückseitenbeschichtetem记录材料用于生产胶版印刷板的过程

    公开(公告)号：EP1156370A1

    公开(公告)日：2001-11-21

    申请号：EP01000122.0

    申请日：2001-04-23

    申请人： Agfa-Gevaert

    发明人： Elsässer, Andreas ,  Dörr, Michael ,  Denzinger, Steffen ,  Coppens, Paul

    IPC分类号： G03F7/06 ,  G03F7/09 ,  B41C1/10

    CPC分类号： G03F7/06 ,  G03F7/063 ,  G03F7/07 ,  G03F7/092

    摘要： The invention relates to a process for the production of a photosensitive recording material for the production of offset printing plates which comprises a dimensionally stable, two-dimensional support of a metal or metal alloy and a silver halide-containing, photosensitive layer on the front of the support and a layer which essentially consists of an organic polymeric material and is resistant to processing chemicals on the back of the support. The layer on the back of the support is applied before the photosensitive coating on the front. The invention furthermore relates to a corresponding recording material in which the layer on the back comprises at least one organic polymer having a glass transition temperature Tg of 50°C or above. Due to the back coating, the formation of local elements between the metallic support and the silver-containing layer is reliably prevented when the recording materials are stacked. Coating flaws during application of the photosensitive coating have been virtually eliminated.

    摘要翻译： 本发明涉及一种方法，用于生产感光记录材料的生产胶版印刷板，其包含上的前部的金属或金属合金的尺寸稳定的，二维的支持和一个含有卤化银的光敏层 的支持和一个层的有机聚合物材料，其基本上besteht，并且是在支撑体的背面加工品耐药。 在载体的背面的层上的前部的光敏涂层之前被应用。 本发明进一步更涉及在背面的层包含具有50℃以上的玻璃化转变温度Tg至少一种有机聚合物的相应的记录材料。 由于背面涂层，金属支持体和含银层之间的局部元件的形成可以可靠地防止当记录材料被堆叠。 光敏涂层的施加过程中涂层裂纹havebeen几乎消除。