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    Planographic printing plate precursor
    381.
    发明申请
    Planographic printing plate precursor 有权
    平版印刷版前体

    公开(公告)号：US20060068321A1

    公开(公告)日：2006-03-30

    申请号：US11231850

    申请日：2005-09-22

    Applicant: Akira Nagashima

    Inventor： Akira Nagashima

    IPC: G03C1/76

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/04 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  Y10S430/106 ,  Y10S430/108 ,  Y10S430/128 ,  Y10S430/145

    Abstract: The present invention provides a planographic printing plate precursor including a support and a positive recording layer formed on the support and containing: (A) a polymer having a structural unit represented by the following general formula (1), (B) a photo-thermal converting agent, and (C) an amino compound having a methylol group or an alkoxymethyl group; and a positive recording layer whose solubility in an alkaline developer is improved by exposure to light or by heating. In general formula (1), R1 represents an alkyl group or a cyclic group, x represents 0 or 1, and A represents a bivalent bonding group. According to the invention, a positive planographic printing plate precursor for use with infrared lasers having excellent chemical resistance and wide image development latitude can be obtained.

    Abstract translation: 本发明提供了一种平版印刷版原版，其包括形成在载体上的载体和正性记录层，并含有：（A）具有由以下通式（1）表示的结构单元的聚合物，（B）光热 转化剂，（C）具有羟甲基或烷氧基甲基的氨基化合物; 以及通过曝光或加热改善了在碱性显影剂中的溶解度的正性记录层。

    Negative working, heat-sensitive lithographic printing plate precursor
    383.
    发明申请
    Negative working, heat-sensitive lithographic printing plate precursor 失效
    负性工作，热敏平版印刷版前体

    公开(公告)号：US20050238994A1

    公开(公告)日：2005-10-27

    申请号：US11113878

    申请日：2005-04-25

    Applicant: Joan Vermeersch ,  Marc Van Damme

    Inventor： Joan Vermeersch ,  Marc Van Damme

    IPC: B41C1/10 ,  G03C1/492

    CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  Y10S430/145

    Abstract: A negative-working lithographic printing plate precursor is disclosed comprising on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a coating comprising an infrared absorbing agent, a first layer comprising an aqueous dispersion comprising hydrophobic thermoplastic polymer particles and a first hydrophobic binder, and a second layer located between said first layer and said support which comprises a second hydrophobic binder, characterized in that said first hydrophobic binder is a phenolic resin and said second hydrophobic binder is a polymer comprising at least one sulphonamide group.

    Abstract translation: 公开了一种负性平版印刷版原版，其包含在具有亲水性表面的支持体上，或者设置有亲水层，包含红外线吸收剂的涂层，第一层包含含有疏水性热塑性聚合物颗粒的水性分散体和第一层 疏水性粘合剂和位于所述第一层和所述载体之间的第二层，其包含第二疏水性粘合剂，其特征在于，所述第一疏水性粘合剂是酚醛树脂，所述第二疏水性粘合剂是包含至少一种磺酰胺基团的聚合物。

    Method of exposure recording on a planographic printing plate and an apparatus for practicing the method
    384.
    发明申请
    Method of exposure recording on a planographic printing plate and an apparatus for practicing the method 审中-公开
    平版印刷版上的曝光记录方法和实施该方法的装置

    公开(公告)号：US20050213171A1

    公开(公告)日：2005-09-29

    申请号：US11090181

    申请日：2005-03-28

    Applicant: Ichirou Miyagawa

    Inventor： Ichirou Miyagawa

    IPC: B41C1/10 ,  H04N1/04

    CPC classification number: B41C1/1041 ,  B41C1/1075 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06

    Abstract: A method of light exposure recording on a planographic printing plate, wherein the planographic printing plate includes a support and an image recording layer provided on the support, the image recording layer includes a radical polymerization initiator, the method comprising: irradiating the image recording layer with a predetermined amount of a first light, whereby the radical initiator generates a radical, the radical is quenched by free oxygen in the image recording layer, so that free oxygen in the image recording layer is exhausted and disappears from the image recording layer and that the image recording layer is supersensitized; and then rradiating the image recording layer with a second light as a recording light modulated on the basis of image information, so as to form a latent image corresponding to the image information on the image recording layer. Also provided is an apparatus for practicing the invention.

    Abstract translation: 一种在平版印刷版上进行曝光记录的方法，其中平版印刷版包括载体和设置在载体上的图像记录层，图像记录层包括自由基聚合引发剂，该方法包括：将图像记录层与 预定量的第一光，由此自由基引发剂产生自由基，自由基被图像记录层中的游离氧猝灭，使得图像记录层中的游离氧被排出并从图像记录层消失， 图像记录层超敏化; 然后使用第二光作为基于图像信息调制的记录光来对图像记录层进行辐照，以便形成与图像记录层上的图像信息对应的潜像。 还提供了一种用于实施本发明的装置。

    Lithographic printing plate precursor
    385.
    发明授权
    Lithographic printing plate precursor 有权
    平版印刷版前体

    公开(公告)号：US06929895B2

    公开(公告)日：2005-08-16

    申请号：US10200447

    申请日：2002-07-23

    Applicant: Kazuo Maemoto ,  Hisashi Hotta

    Inventor： Kazuo Maemoto ,  Hisashi Hotta

    IPC: B41C1/10 ,  B41N1/08 ,  B41N1/20 ,  B41N3/03 ,  C25D11/08 ,  C25D11/12 ,  C25D11/16 ,  C25D11/24 ,  C25F3/04 ,  G03F7/004 ,  G03F7/09

    CPC classification number: B41N3/034 ,  B41C1/1025 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/24 ,  B41N1/083 ,  B41N1/20 ,  B41N3/03 ,  B41N3/036 ,  C25D11/08 ,  C25D11/12 ,  C25D11/16 ,  C25D11/24 ,  C25F3/04 ,  Y10S430/145 ,  Y10S430/146

    Abstract: A lithographic printing plate precursor comprising an aluminum substrate, an image-recording layer and a hydrophilic film, the aluminum substrate being subjected to an electrochemical surface-roughening treatment in an aqueous solution comprising hydrochloric acid and provided with the hydrophilic film having a heat conductivity of 0.05 to 0.5 W/mK and/or at least one of a density of 1,000 to 3,200 kg/m3 and a porosity of 20 to 70%; and a lithographic printing plate precursor comprising an aluminum substrate, an image-recording layer and a hydrophilic film, the aluminum substrate having a surface-roughened shape comprising a small pit wherein an average opening size of the small pit is 0.01 to 3 μm and a ratio of an average depth of the small pit to the average opening size is 0.1 to 0.5, and being provided with the hydrophilic film having a heat conductivity of 0.05 to 0.5 W/mK and/or at least one of a density of 1,000 to 3,200 kg/m3 and a porosity of 20 to 70%.

    Abstract translation: 包括铝基板，图像记录层和亲水膜的平版印刷版原版，所述铝基板在包含盐酸的水溶液中进行电化学表面粗糙化处理，并提供具有导热性的亲水膜 0.05〜0.5W / mK和/或密度为1000〜3200kg / m 3的孔隙率和20〜70％的孔隙率中的至少一种。 以及包含铝基板，图像记录层和亲水膜的平版印刷版原版，所述铝基板具有包括小坑的表面粗糙化形状，其中小坑的平均开口尺寸为0.01〜3μm， 小坑的平均深度与平均开口尺寸的比例为0.1〜0.5，并且具有导热率为0.05〜0.5W / m·K的亲水性膜和/或密度为1000〜3,200 kg / m 3，孔隙率为20〜70％。

    Stack of lithographic printing plate precursors
    386.
    发明申请
    Stack of lithographic printing plate precursors 审中-公开
    堆叠平版印刷版前体

    公开(公告)号：US20050172843A1

    公开(公告)日：2005-08-11

    申请号：US11047737

    申请日：2005-02-02

    Applicant: Norio Aoshima

    Inventor： Norio Aoshima

    IPC: B41C1/10 ,  B41N1/08 ,  B65B11/54 ,  B65G57/00 ,  B41N1/00 ,  B65D85/62

    CPC classification number: B41N1/083 ,  B41C1/10 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A stack of lithographic printing plate precursors, which comprises: at least one lithographic printing plate precursor comprising: an aluminum support having a roughened surface; and an image recording layer comprising (A) an infrared absorber, (B) a polymerization initiator and (C) a polymerizable compound, wherein the image recording layer is capable of being removed with at least one of a printing ink and a fountain solution; and an interleaving sheet interposed between a first one and a second one of said at least one lithographic printing plate precursor, wherein said at least one lithographic printing plate precursor has a dynamic friction coefficient between an outermost surface of said at least one lithographic printing plate precursor and the interleaving sheet of 0.25 to 0.70.

    Abstract translation: 一叠平版印刷版前体，其包括：至少一个平版印刷版前体，其包含：具有粗糙表面的铝载体; 以及图像记录层，其包含（A）红外线吸收剂，（B）聚合引发剂和（C）可聚合化合物，其中所述图像记录层能够利用印刷油墨和润版液中的至少一种去除; 以及插入在所述至少一个平版印刷版前体中的第一个和第二个平版印刷版前体之间的交错片，其中所述至少一个平版印刷版前体在所述至少一个平版印刷版前体的最外表面之间具有动摩擦系数 交错片为0.25〜0.70。

    Positive-working lithographic printing plate precurosors
    388.
    发明申请
    Positive-working lithographic printing plate precurosors 审中-公开
    正版平版印刷版预处理

    公开(公告)号：US20050106503A1

    公开(公告)日：2005-05-19

    申请号：US11017396

    申请日：2004-12-20

    Applicant: Joan Vermeersch ,  Marc Van Damme

    Inventor： Joan Vermeersch ,  Marc Van Damme

    IPC: B41C1/10 ,  B41M5/36 ,  B41N1/14 ,  G03F7/075 ,  G03F7/00

    CPC classification number: B41C1/1016 ,  B41C2201/04 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41M5/368 ,  B41N1/14 ,  G03F7/0752 ,  Y10S430/145

    Abstract: A positive-working printing plate precursor for wet lithographic printing is disclosed which comprises a support having a hydrophilic surface and a coating comprising a first layer closest to the support, said first layer containing an oleophilic phenolic resin soluble in an aqueous alkaline developer, and a second layer containing an amphyphilic polymer, wherein (c) the second layer is capable of preventing the aqueous alkaline developer from penetrating into the first layer to an extent that substantially no dissolution of unexposed coating occurs upon immersion in the aqueous alkaline developer during a time period t2; (d) and wherein said capability of the second layer of preventing the aqueous alkaline developer from penetrating into the first layer is reduced upon exposure to heat or light to an extent that substantially complete dissolution of exposed coating occurs upon immersion in the aqueous alkaline developer during a time period t1; wherein t2>t1 and t2−t1 is at least 10 seconds; and wherein the amphyphilic polymer is a block- or graft-copolymer comprising (i) a poly(alkylene oxide) block and (ii) a block comprising siloxane and/or perfluorohydrocarbon units.

    Abstract translation: 公开了用于湿平版印刷的正性印刷版前体，其包含具有亲水表面的载体和包含最靠近载体的第一层的涂层，所述第一层含有可溶于碱性显影液的亲油酚醛树脂，和 第二层含有两亲性聚合物，其中（c）第二层能够防止水性碱性显影剂渗透到第一层中，使得在一段时间内浸入含水碱性显影剂中基本上不会溶解未曝光的涂层 t 2 2; （d），并且其中防止水性碱性显影剂渗透到第一层中的第二层的所述能力在暴露于热或光时减少到在浸入含水碱性显影剂中时基本上完全溶解暴露涂层的程度 时间段t 1＆lt; 1＆gt;; 其中t 2 2和t 2 -T 1 H 1至少为10秒; 并且其中所述无亲性聚合物是包含（i）聚（环氧烷）嵌段和（ii）包含硅氧烷和/或全氟烃单元的嵌段的嵌段或接枝共聚物。

    Planographic printing plate precursor
    389.
    发明申请
    Planographic printing plate precursor 审中-公开
    平版印刷版前体

    公开(公告)号：US20050069812A1

    公开(公告)日：2005-03-31

    申请号：US10950402

    申请日：2004-09-28

    Applicant: Kazuo Maemoto ,  Ippei Nakamura

    Inventor： Kazuo Maemoto ,  Ippei Nakamura

    IPC: G03F7/004 ,  B41C1/10 ,  G03F7/00 ,  G03F7/033 ,  G03F7/11 ,  G03C1/494

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262

    Abstract: The present invention provides a planographic printing plate precursor including a support, and a recording layer which is formed on the support and includes a water-insoluble and alkali-soluble resin having active hydrogen in a main chain thereof and an infrared absorbent, the solubility of the recording layer in an aqueous alkaline solution being increased by exposure to light; and a planographic printing plate precursor including a support, and a recording layer formed on the support, wherein the recording layer includes a lower layer which is formed on the support and includes a water-insoluble and alkali-soluble resin having active hydrogen in a main chain thereof, and an upper layer which is formed on the lower layer and includes a water-insoluble and alkali-soluble resin and a development inhibitor, the solubility of the upper layer in an aqueous alkaline solution being increased by exposure to light, and at least one of the lower layer and the upper layer of the recording layer includes an infrared absorbent. According to the invention, there is provided is a positive planographic printing plate precursor which can provide a printing plate directly from scanning exposure based on digital signals and is excellent in printing durability and chemical resistance.

    Abstract translation: 本发明提供了一种平版印刷版前体，其包括载体和记录层，该记录层形成在载体上，并且包含主链中具有活性氢的水不溶性和碱溶性树脂和红外吸收剂， 碱性水溶液中的记录层通过曝光增加; 以及包括支撑体的平版印刷版原版和形成在所述载体上的记录层，其中所述记录层包括形成在所述载体上的下层，并且包含在主体中具有活性氢的水不溶性和碱溶性树脂 链和上层，其形成在下层上，并且包含不溶于水和碱溶性树脂和显影抑制剂，上层在碱性水溶液中的溶解度通过曝光增加，并且在 记录层的下层和上层中的至少一个包括红外线吸收剂。 根据本发明，提供了一种正型平版印刷版原版，其可以基于数字信号直接从扫描曝光提供印版，并且印刷耐久性和耐化学性优异。

    Image recording material and planographic printing plate
    390.
    发明申请
    Image recording material and planographic printing plate 有权
    图像记录材料和平版印刷版

    公开(公告)号：US20050048399A1

    公开(公告)日：2005-03-03

    申请号：US10928170

    申请日：2004-08-30

    Applicant: Ikuo Kawauchi ,  Miki Takahashi ,  Masako Imai

    Inventor： Ikuo Kawauchi ,  Miki Takahashi ,  Masako Imai

    IPC: B41C1/10 ,  B41M5/36 ,  B41N1/08 ,  G03F7/00 ,  G03F7/004 ,  G03F7/11 ,  G03F7/40 ,  G03C1/76

    CPC classification number: B41N1/083 ,  B41C1/1016 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  G03F7/11 ,  Y10S430/165

    Abstract: An image recording material of the present invention comprises an anodized aluminum support, an intermediate layer containing a polymer having a carboxylic acid group in a side chain thereof and formed on the aluminum support, and a photosensitive layer containing at least 50% by weight or more of novolak type phenol resin and a photothermal conversion agent and recordable by IR laser beam. A planographic printing plate excellent in printing durability can be obtained by subjecting the image recording material imagewise to IR laser exposure treatment and to development treatment, and then heating the image recording material at 150 to 300° C.

    Abstract translation: 本发明的图像记录材料包括阳极氧化铝载体，中间层，其含有在其侧链上具有羧酸基的聚合物并形成在铝载体上，以及含有至少50重量％以上的感光层 的酚醛清漆型酚醛树脂和光热转换剂，并可通过IR激光束进行记录。 通过对图像记录材料成像进行IR激光曝光处理和显影处理，然后在150〜300℃下加热图像记录材料，可以获得印刷耐久性优异的平版印刷版。

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