发明授权
- 专利标题: PS plates requiring no dampening water
- 专利标题(中): PS板需要无阻尼水
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申请号: US853333申请日: 1992-03-16
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公开(公告)号: US5221594A公开(公告)日: 1993-06-22
- 发明人: Hiroshi Takahashi , Yoshihiko Urabe , Yukio Abe , Tsumoru Hirano
- 申请人: Hiroshi Takahashi , Yoshihiko Urabe , Yukio Abe , Tsumoru Hirano
- 申请人地址: JPX Minami-Ashigara
- 专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人地址: JPX Minami-Ashigara
- 优先权: JPX1-200040 19890801; JPX2-24197 19900202
- 主分类号: G03F7/075
- IPC分类号: G03F7/075
摘要:
A water-less PS plate for use in making a water-less lithographic printing plate comprises, on a substrate, a photopolymerizable light-sensitive layer and a silicone rubber layer in this order, wherein the light-sensitive layer is formed from a photopolymerizable light-sensitive composition which contains an urea bond-containing polyurethane as a binder. According to the present invention, there is obtained a water-less PS plate having good resistance to scratch and high printing durability. Moreover, the resulting light-sensitive layer does not get sticky, the light-sensitive layer of the non-image portions is not peeled off during the printing operations, and the lithographic plate shows good dyeability and plate-examination property.
公开/授权文献
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