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    • 4. 发明授权
    • Lithographic printing plate
    • 平版印刷版
    • US5437957A
    • 1995-08-01
    • US191498
    • 1994-02-04
    • Motozo YamanoKozo HainoAkio YoshidaHidetoshi Miura
    • Motozo YamanoKozo HainoAkio YoshidaHidetoshi Miura
    • G03F7/07G03C3/00
    • G03F7/07
    • Disclosed is a lithographic printing plate material comprising a support and, provided thereon, at least a silver halide emulsion layer and a physical development nuclei layer wherein the physical development nuclei layer and/or a layer contiguous thereto contains at least one of water-soluble polymers represented by the following formula (I) or at least one of water-soluble polymers represented by the following formula (II): ##STR1## wherein R.sub.1 represents H or an alkyl group, R.sub.2 represents H or an alkali metal atom, n is 1-100 mol %, m is 0-50 mol % and l is 0-5 mol %, ##STR2## wherein R.sub.3 and R.sub.4 each represent a hydrogen atom or a lower alkyl group and A represents a residue of an ethylenically unsaturated monomer, l is 99.9-40 mol %, m is 0.1-10 mol % and n is 0-50 mol %. The polymer of the formula (I) may be used in combination with a water-soluble polysaccharide.
    • 公开了一种平版印刷版材料,其包含载体,并且在其上提供至少一个卤化银乳剂层和物理显影核层,其中该物理显影核层和/或其邻接层包含至少一种水溶性聚合物 由下式(I)表示的至少一种或由下式(II)表示的水溶性聚合物中的至少一种:其中R 1表示H或烷基,R 2表示H或碱金属原子, n为1-100mol%,m为0-50mol%,l为0-5mol%,其中R3和R4各自表示氢原子或低级烷基,A表示 烯键式不饱和单体,l为99.9-40摩尔%,m为0.1-10摩尔%,n为0-50摩尔%。 式(I)的聚合物可以与水溶性多糖组合使用。
    • 5. 发明授权
    • Lithographic printing plate with polyacrylamide polymer in physical
development nuclei layer
    • 平版印刷板与聚丙烯酰胺聚合物在物理发育核层
    • US5236802A
    • 1993-08-17
    • US844746
    • 1992-03-02
    • Motozo YamanoAkio Yoshida
    • Motozo YamanoAkio Yoshida
    • G03F7/004G03C8/28G03F7/07
    • G03C8/28G03F7/07
    • The present invention provides a lithographic printing plate material utilizing silver complex diffusion transfer process which can provide a lithographic printing plate markedly improved in water retentivity and prevented from deterioration of printability after storage. The lithographic printing plate material comprises a support and at least a silver halide emulsion layer and a physical development nuclei layer, wherein at least one of the physical development nuclei layer and a layer contiguous to the nuclei layer contains at least one water-soluble synthetic polymer selected from those which are represented by the following formulas: ##STR1## wherein R.sub.1 represents H or an alkyl group and n represents 100-3500 and ##STR2## wherein R.sub.2 represents H or an alkyl group, R.sub.3 represents H or an alkali metal, the ratio of n:m is 10:0-1:9, and polymerization degree is 100-3500.
    • 本发明提供一种使用银复合扩散转移方法的平版印刷版材料,其可以提供显着改善保水性的平版印刷版,并防止其在储存后的印刷性劣化。 平版印刷版材料包括载体和至少卤化银乳剂层和物理显影核层,其中物理显影核层和与核层相邻的层中的至少一个含有至少一种水溶性合成聚合物 选自由下式表示的那些:其中R 1表示H或烷基,n表示100-3500,其中R 2表示H或烷基,R 3表示H 或碱金属,n:m的比例为10:0-1:9,聚合度为100-3500。