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公开(公告)号:US4443531A
公开(公告)日:1984-04-17
申请号:US424300
申请日:1982-09-27
申请人: Shoji Yamada , Eiji Kanada , Eiji Mathubara
发明人: Shoji Yamada , Eiji Kanada , Eiji Mathubara
摘要: Disclosed are a deletion fluid for offset printing plates which contains an S-triazine compound represented by the following general formula: ##STR1## (wherein R.sub.1 and R.sub.2 represent --SH or --OH and when either one of R.sub.1 or R.sub.2 is --SH, the other may be NHR wherein R is H or --R'---COOH wherein R' is an alkylene group or arylene group) and a method for deletion of undesired portion of images formed on an offset printing plate with said deletion fluid.
摘要翻译: 公开了一种胶版印刷版的缺失液,其含有下列通式表示的S-三嗪化合物:其中R1和R2表示-SH或-OH,当R 1或R 2中的任一个为-SH时, 其他可以是NHR,其中R是H或-R'-COOH,其中R'是亚烷基或亚芳基)以及用所述缺失流体在胶版印刷板上形成的图像的不需要部分的缺失的方法。