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1. 发明公开

EP2295258A1 LASER ENGRAVABLE FLEXOGRAPHIC PRINTING PLATE 有权转让
标题翻译： LASERGRAVIERBARE FLEXOGRAPHISCHE DRUCKPLATTE
公开(公告)号：EP2295258A1
公开(公告)日：2011-03-16
申请号：EP09766380.1
申请日：2009-06-09
申请人： Toyo Boseki Kabushiki Kaisha
发明人： YAWATA, Yukimi , YOSHIMOTO, Kazuya , WADA, Toru
IPC分类号： B41N1/12 , B41C1/05 , C08F2/44
CPC分类号： C08F2/48 , B41C1/05 , B41N1/12
摘要： The present invention aims to provide a printing original plate capable of being laser-engraved in which printing deficiency caused by residues is not resulted, resolution is good and printing property is also good.
A flexographic printing original plate capable of being laser-engraved which is obtained by subjecting a photosensitive resin composition containing (A) at least one latex having a weight-average degree of gelation of 40% or more, (B) photopolymerizable compound and (C) photopolymerization initiator to irradiation to light followed by cross-linking and curing, wherein the photopolymerizable compound (B) contains the photopolymerizable oligomer and the ethylenic unsaturated monomer in 10 to 25% by weight and 5 to 40% by weight, respectively, to the weight of the photosensitive resin composition and the ethylenic unsaturated monomer comprises 75 to 5% by weight of monofunctional monomer and 25 to 95% by weight of trifunctional monomer.
摘要翻译：本发明的目的在于提供一种能够被激光雕刻的印刷原版，其中不产生由残留物引起的印刷缺陷，分辨率好，印刷性也良好。一种能够激光雕刻的柔性版印刷原版，其通过使含有（A）至少一种具有40重量％以上的重均分子量的胶乳的光敏树脂组合物，（B）光聚合性化合物和（C ）光聚合引发剂进行照射，然后进行交联和固化，其中光聚合性化合物（B）分别含有10〜25重量％和5〜40重量％的光聚合性低聚物和烯键式不饱和单体，感光性树脂组合物和烯属不饱和单体的重量为75〜5重量％的单官能单体和25〜95重量％的三官能单体。

2. 发明公开

EP2287672A1 A PHOTOSENSITIVE FLEXOGRAPHIC PRINTING ORIGINAL PLATE 有权转让
标题翻译： LICHTEMPFINDLICHE FLEXOGRAPHISCHE DRUCKORIGINALPLATTE
公开(公告)号：EP2287672A1
公开(公告)日：2011-02-23
申请号：EP08874609.4
申请日：2008-12-05
申请人： Toyo Boseki Kabushiki Kaisha
发明人： YOSHIMOTO, Kazuya , KAWAKAMI, Tetsuma , MUNEKUNI, Yasuyuki , MOTOI, Keiichi , YAWATA, Yukimi , WADA, Toru
IPC分类号： G03F7/095 , B41N1/12 , G03F7/00
CPC分类号： G03F7/202
摘要： The present invention provides a photosensitive flexographic printing original plate provided with a heat sensitive mask layer having high light blocking effect and durability yet prepared as a thin film. A photosensitive flexographic printing original plate including at least (A) a supporting member, (B) a photosensitive resin layer, (C) a protective layer and (D) a heat sensitive mask layer that are successively laminated, wherein the heat sensitive mask layer (D) contains carbon black and as a dispersion binder therefor, a butyral resin as well as polyamide containing polar group selected from the group consisting of polyamide containing a tertiary amine group, polyamide containing a quaternary ammonium salt group, polyamide containing an ether group and polyamide containing a sulfonic group.
摘要翻译：本发明提供一种光敏柔性版印刷原版，其具有具有高的阻光效果和耐久性的热敏掩模层，而作为薄膜制备。一种感光性柔版印刷原版，其至少包括（A）支撑构件，（B）感光性树脂层，（C）保护层和（D）热敏掩模层，其中所述热敏掩模层（D）含有炭黑，作为分散体粘合剂，可以使用丁缩醛树脂以及含有叔胺基的聚酰胺，含有季铵盐的聚酰胺，含有醚基的聚酰胺和含有磺酸基的聚酰胺。

3. 发明公开

EP2306245A1 PHOTOSENSITIVE LETTERPRESS PRINTING ORIGINAL PLATE 有权转让
标题翻译： LICHTEMPFINDLICHE ORIGINALDRUCKPLATTEFÜRBUCHDRUCK
公开(公告)号：EP2306245A1
公开(公告)日：2011-04-06
申请号：EP09797637.7
申请日：2009-02-16
申请人： Toyo Boseki Kabushiki Kaisha
发明人： YAWATA, Yukimi , MOTOI, Keiichi , KAWAKAMI, Tetsuma , YOSHIMOTO, Kazuya , WADA, Toru
IPC分类号： G03F7/095 , B41N1/12 , G03F7/00 , G03F7/004
CPC分类号： G03F7/202
摘要： The present invention provides a photosensitive letterpress printing original plate provided with a heat sensitive mask layer having high light blocking effect and durability yet prepared as a thin film. A photosensitive letterpress printing original plate including at least (A) a supporting member, (B) a photosensitive resin layer, and (C) a heat sensitive mask layer that are successively laminated, wherein the heat sensitive mask layer (C) contains carbon black and ,as a dispersion binder therefor, a butyral resin as well as polyamide containing polar group selected from the group consisting of polyamide containing a tertiary amine group, polyamide containing a quaternary ammonium salt group, polyamide containing an ether group and polyamide containing a sulfonic group.
摘要翻译：本发明提供一种感光凸版印刷原版，其具有具有高的阻光效果和耐久性的热敏掩模层，而作为薄膜制备。一种光敏凸版印刷原版，其至少包括（A）支撑构件，（B）感光性树脂层和（C）热敏掩模层，其中所述热敏掩模层（C）含有炭黑作为分散体粘合剂，可以使用丁缩醛树脂以及含有叔胺基的聚酰胺，含有季铵盐的聚酰胺，含有醚基的聚酰胺和含有磺酸基的聚酰胺，。

4. 发明公开

EP2284612A1 FLEXOGRAPHIC PRINTING ORIGINAL PLATE 有权转让
标题翻译： FLEXOGRAFISCHE DRUCKORIGINALPLATTE
公开(公告)号：EP2284612A1
公开(公告)日：2011-02-16
申请号：EP09750292.6
申请日：2009-01-21
申请人： Toyo Boseki Kabushiki Kaisha
发明人： YOSHIMOTO, Kazuya , KAWAKAMI, Tetsuma , MUNEKUNI, Yasuyuki , MOTOI, Keiichi , YAWATA, Yukimi , WADA, Toru
IPC分类号： G03F7/095 , B41N1/12 , G03F7/00 , G03F7/11
CPC分类号： B41N1/12 , B41C1/05 , B41M2205/14 , G03F7/092 , G03F7/202
摘要： The present invention aims to provide a flexographic printing original plate where, although it is a flexible aqueous developing plate, reproducibility of fine lines is good. A flexographic printing original plate which is a photosensitive printing original plate where at least (A) a supporting member, (B) a photosensitive resin layer, (C) a protective layer for preventing the polymerization inhibition due to oxygen in the photosensitive resin layer and (D) a heat-sensitive mask layer are successively layered, characterized in that , the photosensitive resin layer (B) is a layer which is able to be developed by water, Young' s modulus of the protective layer (C) is 4 MPa to 35 MPa, layer thickness of the protective layer (C) is 0.2 µm to 2.0 µm and Young's modulus (MPa) and layer thickness (µm) of the protective layer (C) satisfy the following formula 1: 1 ≤ Youngʹs modulus × Layer thickness 2 ≤ 18
摘要翻译：本发明的目的在于提供一种柔版印刷原版，尽管它是柔性水性显影板，细线的再现性良好。作为感光性印刷原版的柔性版印刷原版，其中至少（A）支撑构件，（B）感光性树脂层，（C）防止感光性树脂层中的氧引起的聚合抑制的保护层和（D）感光掩模层依次层叠，其特征在于，感光性树脂层（B）为能够通过水显影的层，保护层（C）的杨氏模量为4MPa 至35MPa，保护层（C）的层厚度为0.2μm〜2.0μm，保护层（C）的杨氏模量（MPa）和层厚（μm）满足下式1：1‰杨氏模量× 层厚2‰¤18

5. 发明公开

EP2461215A1 FLEXOGRAPHIC PRINTING ORIGINAL PLATE 有权转让
标题翻译： FLEXOGRAFISCHE原始图书馆
公开(公告)号：EP2461215A1
公开(公告)日：2012-06-06
申请号：EP10804347.2
申请日：2010-07-26
申请人： Toyo Boseki Kabushiki Kaisha
发明人： YOSHIMOTO, Kazuya , KAWAKAMI, Tetsuma , YAWATA, Yukimi
IPC分类号： G03F7/11 , G03F7/00
CPC分类号： G03F7/202 , B41M2205/14 , G03F7/092 , Y10T428/31855
摘要： The present invention provides a flexographic printing original plate having no wrinkle on the plate surface and having no plate surface abnormality due to laser in spite of the fact that it is a flexible water-developable plate. A photosensitive flexographic printing original plate developable by water in which at least a supporting member, a photosensitive resin layer, a protective layer and a heat-sensitive mask layer are successively laminated, characterized in that , the protective layer contains (A) polyvinyl alcohol, (B) plasticizer and (C) water-dispersible latex in the following rate.
Polyvinyl alcohol (A): 25 to 80 parts by weight
Plasticizer (B): 15 to 60 parts by weight
Water-dispersible latex (C): 5 to 40 parts by weight
摘要翻译：本发明提供了一种柔性版印刷原版，其在板表面上没有皱纹，并且由于激光而没有板表面异常，尽管它是柔性的水显影板。依次层叠有至少支持构件，感光性树脂层，保护层和感热掩模层的水可显影的感光性柔性版印刷原版，其特征在于，所述保护层含有（A）聚乙烯醇，（B）增塑剂和（C）水分散性胶乳。聚乙烯醇（A）：25〜80重量份增塑剂（B）：15〜60重量份水分散性胶乳（C）：5〜40重量份

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