3.
    发明专利
    未知

    公开(公告)号:DK216678A

    公开(公告)日:1978-11-19

    申请号:DK216678

    申请日:1978-05-17

    Applicant: BASF AG

    Abstract: A photopolymerizable composition for the manufacture of printing plates and relief plates, based on a mixture, containing a photoinitiator, of photopolymerizable olefinically unsaturated monomers and a polymeric binder, contains up to 0.1% by weight of an etherified thioanthraquinone for improving the relief image in the production of relief plates. The composition advantageously also contains a small amount of an organic tertiary amine or of an aromatic alpha -ketocarboxylic acid or its ester and/or of an inhibitor, e.g. the salt of an organic N-nitrosohydroxylamine.

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