Photosensitive planographic printing plate precursor
    32.
    发明授权
    Photosensitive planographic printing plate precursor 有权
    光敏平版印刷版前体

    公开(公告)号:US06258510B1

    公开(公告)日:2001-07-10

    申请号:US09315429

    申请日:1999-05-20

    申请人: Kazuo Maemoto

    发明人: Kazuo Maemoto

    IPC分类号: G03C177

    摘要: A photosensitive planographic printing plate precursor comprising an aluminum substrate surface treated such that the center line surface roughness thereof (Ra) is in a range of from 0.30 &mgr;m or more to 0.55 &mgr;m or less and a photosensitive layer provided on the substrate and comprised of a photosensitive composition containing (a) a water-soluble or water-dispersible polymer, (b) a monomer or oligomer having at least one ethylenically unsaturated double bond capable of photopolymerization, and (c) a photopolymerization initiation system having &lgr;max in a range of from 330 nm or more to 375 nm or less such that the light absorbance A at &lgr;max and the absorbance B at 400 nm fulfill a relationship of B/A

    摘要翻译: 一种光敏平版印刷版原版,其特征在于,具有经处理使其中心线表面粗糙度(Ra)为0.30μm以上至0.55μm以下的铝基板表面的感光性平版印刷版原版,以及设置在基板上的感光层, 含有(a)水溶性或水分散性聚合物的光敏组合物,(b)具有至少一个能够光聚合的烯属不饱和双键的单体或低聚物,和(c)具有lambdmax范围内的光聚合引发体系 330nm以上至375nm以下,使得lambdmax的吸光度A和400nm处的吸光度B满足B / A <0.1的关系。 (a)水溶性聚合物的优选实例是含有磺酸(盐)基团的聚合物。

    Image-forming layer
    33.
    发明授权
    Image-forming layer 失效
    图像形成层

    公开(公告)号:US4946761A

    公开(公告)日:1990-08-07

    申请号:US224376

    申请日:1988-07-26

    申请人: Kazuo Maemoto

    发明人: Kazuo Maemoto

    CPC分类号: G03F7/039 Y10S430/111

    摘要: The present invention relates to an image-forming layer which comprises a polymer having a carboxyl group-containing group which can be decarboxylated by exposure. According to the present invention, an image-forming layer having an improved coating strength and adhesion to a support, can be obtained.

    摘要翻译: 本发明涉及一种图像形成层,其包含具有含羧基的聚合物,其可通过曝光脱羧。 根据本发明,可以获得具有改善的涂层强度和与载体的粘附性的图像形成层。