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    Positive-type photosensitive composition
    334.
    发明申请
    Positive-type photosensitive composition 审中-公开
    正型光敏组合物

    公开(公告)号：US20050214675A1

    公开(公告)日：2005-09-29

    申请号：US11081087

    申请日：2005-03-16

    Applicant: Kotaro Watanabe ,  Ikuo Kawauchi ,  Yusuke Hatanaka

    Inventor： Kotaro Watanabe ,  Ikuo Kawauchi ,  Yusuke Hatanaka

    IPC: B41C1/10 ,  B41M5/36 ,  G03C1/492

    CPC classification number: B41M5/368 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41C2210/266

    Abstract: The positive-type photosensitive composition according to the present invention contains a novolak resin (A), an alkali-soluble resin (B) selected from the group consisting of resins prepared by addition polymerization of a vinyl compound and condensation polymers such as imide, amide, urethane, urea, ester, and resol resins, an infrared absorbing agent (C), and a sulfonium salt (D). The positive-type photosensitive composition is superior in sensitivity, greater in layer strength, and readily dissociates by infrared ray exposure, and thus is useful as the recording layer for positive-type planographic printing plate precursors.

    Abstract translation: 根据本发明的正型感光性组合物含有酚醛清漆树脂（A），碱溶性树脂（B），其选自由乙烯基化合物加成聚合制备的树脂和缩合聚合物如酰亚胺，酰胺 ，氨基甲酸酯，脲，酯和甲阶酚醛树脂，红外线吸收剂（C）和锍盐（D）。 正型光敏组合物的灵敏度优异，层强度更高，并且通过红外线曝光容易解离，因此可用作正型平版印刷版前体的记录层。

    Method of making a planographic printing plate
    335.
    发明申请
    Method of making a planographic printing plate 审中-公开
    制作平版印刷版的方法

    公开(公告)号：US20050208426A1

    公开(公告)日：2005-09-22

    申请号：US11080925

    申请日：2005-03-16

    Applicant: Takahiro Goto

    Inventor： Takahiro Goto

    IPC: B41C1/10 ,  G03F7/00 ,  G03F7/32

    CPC classification number: G03F7/322 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

    Abstract: The present invention discloses a method of making a planographic printing plate, involving: exposing to light having a wavelength of 750 to 1,400 nm a planographic printing plate precursor having on a support a photosensitive layer containing an infrared absorbent, a polymerization initiator, a polymerizable compound, and a binder polymer, and a protective layer in that order; and developing a planographic printing plate exposed in a developing solution substantially without heating and washing, wherein the developing solution contains an antigelling agent selected from the group consisting of monoalcohol compounds and monoketone compounds.

    Abstract translation: 本发明公开了一种制备平版印刷版的方法，包括：将波长为750〜1400nm的光曝光于平版印刷版前体上，所述平版印刷版原版在载体上具有含红外线吸收剂的光敏层，聚合引发剂，聚合性化合物 ，粘合剂聚合物和保护层; 以及开发基本上不加热和洗涤在显影溶液中暴露的平版印刷版，其中显影液含有选自一元醇化合物和单酮化合物的抗凝胶剂。

    Lithographic printing plate precursor
    336.
    发明申请
    Lithographic printing plate precursor 审中-公开
    平版印刷版前体

    公开(公告)号：US20050208423A1

    公开(公告)日：2005-09-22

    申请号：US11082028

    申请日：2005-03-17

    Applicant: Tomoyoshi Mitsumoto ,  Norio Aoshima

    Inventor： Tomoyoshi Mitsumoto ,  Norio Aoshima

    IPC: B41C1/10 ,  G03C1/492

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A lithographic printing plate precursor comprising a support and an image-recording layer that contains (A) a radical polymerization initiator, (B) a polymerizable compound and (C) a lipophilic binder polymer substantially not containing an acid group and is capable of being removed with either or both of printing ink and dampening water, wherein the polymerizable compound has at least one structure selected from (1) an ethylene oxide chain, (2) an alcoholic hydroxy group and (3) an isocyanuric acid structure in the molecule thereof.

    Abstract translation: 包括载体和图像记录层的平版印刷版原版，所述图像记录层包含（A）自由基聚合引发剂，（B）可聚合化合物和（C）基本上不含酸基并能够被除去的亲脂性粘合剂聚合物 其中所述可聚合化合物具有选自（1）环氧乙烷链，（2）醇羟基和（3）其分子中的异氰脲酸结构中的至少一种结构的印刷油墨和润湿水中的一种或两种。

    Lithographic printing process
    337.
    发明申请
    Lithographic printing process 有权
    平版印刷工艺

    公开(公告)号：US20050204943A1

    公开(公告)日：2005-09-22

    申请号：US11081677

    申请日：2005-03-17

    Applicant: Naonori Makino ,  Toshifumi Inno

    Inventor： Naonori Makino ,  Toshifumi Inno

    IPC: G03F7/004 ,  B41C1/10 ,  B41N1/14 ,  G03F7/00 ,  G03F7/085 ,  G03C1/492

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A lithographic printing process which comprises the steps of: imagewise scanning with a laser a presensitized lithographic plate which comprises a hydrophilic support and an image-recording layer containing a polymerization initiator, an ethylenically unsaturated polymerizable compound having no adherence to the hydrophilic support, and an ethylenically unsaturated polymerizable compound having adherence to the hydrophilic support and a molecular structure comprising a polyoxyalkylene group to polymerize the ethylenically unsaturated polymerizable compounds within the exposed area; removing the image-recording layer within the unexposed area from the lithographic plate mounted on a cylinder of a printing press; and then printing an image with the lithographic plate mounted on the cylinder of the printing press. A presensitized lithographic plate is also disclosed.

    Abstract translation: 一种平版印刷方法，包括以下步骤：用激光成像扫描包含亲水性支持物和含有聚合引发剂的图像记录层，不粘附于亲水性载体的烯键式不饱和可聚合化合物的预定平版印刷版，以及 具有粘附于亲水性载体的烯属不饱和可聚合化合物和包含聚氧化烯基团的分子结构，以在曝光区域内聚合烯属不饱和可聚合化合物; 从安装在印刷机的滚筒上的平版印刷板移除未曝光区域内的图像记录层; 然后用安装在印刷机滚筒上的平版印刷机印刷图像。 还公开了一种预定平版印刷版。

    Planographic printing plate precursor
    339.
    发明申请
    Planographic printing plate precursor 审中-公开
    平版印刷版前体

    公开(公告)号：US20050202342A1

    公开(公告)日：2005-09-15

    申请号：US11075706

    申请日：2005-03-10

    Applicant: Akira Nagashima

    Inventor： Akira Nagashima

    IPC: G03F7/11 ,  B41C1/00 ,  B41C1/10 ,  G03C1/52 ,  G03F7/00 ,  G03F7/004

    CPC classification number: B41C1/1016 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262

    Abstract: A planographic printing plate precursor comprises: a support; and a recording layer disposed on the support, the recording layer comprising a lower layer and an upper layer disposed on the lower layer, wherein the lower layer contains a resin having in a main chain structure a phenol skeleton and a urea bond, the upper layer contains a water-insoluble alkali-soluble resin and an infrared absorber, and the solubility of the upper layer in an aqueous alkali solution is increased by exposure. The planographic printing plate precursor can be produced directly through scanning exposure based on digital signals. It is superior in reproducibility of highly fine images and also superior in printing durability and chemical resistance of small-area image areas such as halftone dots and thin lines.

    Abstract translation: 平版印刷版前体包括：载体; 以及设置在所述支撑体上的记录层，所述记录层包括下层和设置在所述下层上的上层，其中所述下层含有主链结构中具有酚骨架和脲键的树脂，所述上层 含有水不溶性碱溶性树脂和红外线吸收剂，上层在碱性水溶液中的溶解度增加。 平版印刷版前体可以通过基于数字信号的扫描曝光直接制作。 在高精细图像的再现性方面是优异的，并且在诸如半色调点和细线之类的小面积图像区域的印刷耐久性和耐化学性方面也优异。

    Lithographic printing plate precursor and lithographic printing method
    340.
    发明申请
    Lithographic printing plate precursor and lithographic printing method 有权
    平版印刷版原版和平版印刷法

    公开(公告)号：US20050074692A1

    公开(公告)日：2005-04-07

    申请号：US10951700

    申请日：2004-09-29

    Applicant: Naonori Makino ,  Toshifumi Inno ,  Sumiaki Yamasaki

    Inventor： Naonori Makino ,  Toshifumi Inno ,  Sumiaki Yamasaki

    IPC: G03F7/004 ,  B41C1/10 ,  B41M5/36 ,  B41N1/08 ,  B41N1/14 ,  G03F7/00 ,  G03F7/11 ,  G03C1/76

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24 ,  B41M5/368 ,  B41N1/083

    Abstract: A lithographic printing plate precursor comprising: a support; and at least one layer comprising an image-recording layer, the image-recording layer comprising (A) an infrared absorber, (B) a polymerization initiator, (C) a polymerizable compound, and (D) a binder polymer, wherein the image recording layer is capable of being removed with at least one of a printing ink and a fountain solution, wherein at least one of said at least one layer comprises a copolymer having (a1) a unit comprising at least one ethylenically unsaturated bond, and (a2) a unit comprising at least one functional group interacting with a surface of the support. And a lithographic printing method in which the lithographic printing plate precursor is used. The copolymer preferably has a hydrophilic segment. The copolymer preferably is contained in an undercoat layer formed between the support and the image-recording layer.

    Abstract translation: 一种平版印刷版原版，包括：载体; 以及包含图像记录层的至少一层，所述图像记录层包含（A）红外线吸收剂，（B）聚合引发剂，（C）可聚合化合物和（D）粘合剂聚合物，其中所述图像 记录层能够用印刷油墨和润版液中的至少一种去除，其中所述至少一层中的至少一层包含具有（a1）包含至少一个烯键式不饱和键的单元的共聚物和（a2 ）包括与所述载体的表面相互作用的至少一个官能团的单元。 以及使用平版印刷版原版的平版印刷法。 共聚物优选具有亲水链段。 共聚物优选包含在形成在载体和图像记录层之间的底涂层中。

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