发明授权
US3948665A Laminates for the manufacture of flexographic printing plates comprising
photocrosslinkable reaction product of saturated polyester glycol,
diisocyanate, and diol
失效
用于制造柔性版印刷板的层压板，其包含饱和聚酯二醇，二异氰酸酯和二醇的光可交联反应产物
- 专利标题： Laminates for the manufacture of flexographic printing plates comprising photocrosslinkable reaction product of saturated polyester glycol, diisocyanate, and diol
- 专利标题（中）： 用于制造柔性版印刷板的层压板，其包含饱和聚酯二醇，二异氰酸酯和二醇的光可交联反应产物
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申请号： US429737申请日： 1974-01-02
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公开(公告)号： US3948665A公开(公告)日： 1976-04-06
- 发明人: Peter Richter , Herbert Stutz , Lothar Metzinger , Otto Volkert , Heinz-Ulrich Werther , August Wigger
- 申请人： Peter Richter , Herbert Stutz , Lothar Metzinger , Otto Volkert , Heinz-Ulrich Werther , August Wigger
- 申请人地址： DT Ludwigshafen (Rhine)
- 专利权人： BASF Aktiengesellschaft
- 当前专利权人： BASF Aktiengesellschaft
- 当前专利权人地址： DT Ludwigshafen (Rhine)
- 优先权： DT2300371 19730105
- 主分类号： C08F299/00
- IPC分类号： C08F299/00 ; C08F290/00 ; C08G18/67 ; G03F7/035 ; G03F7/11 ; G03C1/94 ; G03C5/00 ; G03F7/00
摘要：
Laminates for the production of relief plates for flexographic printing, by imagewise exposure and washing out with a developer solution have, on a base optionally provided with an elastomeric layer, a photo-crosslinkable layer containing a photoinitiator and consisting of a polyurethane elastomer which has been prepared in a special manner from an aliphatic saturated polyesterglycol, an aliphatic diisocyanate, but-1-ene-3,4-diol and, if desired, another diol and which has a Shore A hardness of 30 to 90.degree. in the photo-crosslinked state, the elastomer being optionally mixed with a photo-crosslinked monomer.
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