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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％。
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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
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。
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公开(公告)号：US06911295B2
公开(公告)日：2005-06-28
申请号：US10207016
申请日：2002-07-30
Applicant: Koichi Kawamura , Miki Takahashi , Sumiaki Yamasaki
Inventor： Koichi Kawamura , Miki Takahashi , Sumiaki Yamasaki
CPC classification number: B41N3/036 , B41C1/1008 , B41C1/1016 , B41C2201/04 , B41C2201/14 , B41C2210/02 , B41C2210/06 , B41C2210/14 , B41C2210/22 , B41C2210/24 , B41C2210/262 , Y10S430/145 , Y10S430/146 , Y10S430/165
Abstract: The positive planographic printing plate precursor of the present invention is a precursor comprising (I) a positive recording layer including a water-insoluble and alkali-soluble polymer compound and a light to heat converting agent, on a support having a hydrophilic surface in which a hydrophilic graft polymer chain is present. The precursor may further comprise (II) a lower layer including a water-insoluble and alkali-soluble polymer compound between the recording layer and the support.
Abstract translation: 本发明的正型平版印刷版原版是在具有亲水性表面的载体上含有（I）包含水不溶性和碱溶性聚合物化合物和光热转换剂的正性记录层的前体，其中， 存在亲水接枝聚合物链。 前体还可以包含（II）在记录层和载体之间的包含水不溶性和碱溶性聚合物化合物的下层。
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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
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。
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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
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。
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Patent Agency Ranking
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
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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公开(公告)号：US06846613B2
公开(公告)日：2005-01-25
申请号：US10116948
申请日：2002-04-05
Applicant: Joan Vermeersch , Marc Van Damme
Inventor： Joan Vermeersch , Marc Van Damme
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(a) 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;(b) 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，其包含（a）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没在碱性显影液中时基本上不会溶解未曝光的涂层 t2;（b）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降低到暴露涂层的基本上完全溶解在浸入碱性水溶液中时发生 显影剂在时间段t1期间;其中t2> t1和t2-t1至少为10分钟 nds; 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。
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公开(公告)号：US20050005794A1
公开(公告)日：2005-01-13
申请号：US10858408
申请日：2004-06-02
Applicant: Yuzoh Inukai , Hiromu Ando
Inventor： Yuzoh Inukai , Hiromu Ando
CPC classification number: B41N1/083 , B05D3/0218 , B05D3/0254 , B05D7/544 , B05D2202/25 , B05D2252/02 , B41C1/1016 , B41C1/1083 , B41C2201/02 , B41C2201/04 , B41C2201/14 , B41C2210/02 , B41C2210/04 , B41C2210/06 , B41C2210/24 , B41C2210/262 , G03F7/092 , G03F7/16
Abstract: The present invention provides a method of coating a coating solution comprising: providing a web; providing a coating solution; coating the coating solution on at least one surface of the web; and drying the coating solution to form a coated layer, wherein a temperature of the web is maintained at 35° C. or more during coating. According to the coating method, a multi-layered planographic printing plate can be manufactured at low energy cost and running cost.
Abstract translation: 本发明提供一种涂布溶液的方法，包括：提供网; 提供涂层溶液; 将所述涂布溶液涂布在所述幅材的至少一个表面上; 并干燥涂层溶液以形成涂层，其中在涂布过程中，幅材的温度保持在35℃或更高。 根据涂布方法，可以以低能量成本和运行成本制造多层平版印刷版。
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公开(公告)号：US20050003311A1
公开(公告)日：2005-01-06
申请号：US10879221
申请日：2004-06-30
Applicant: Hironori Ohnishi
Inventor： Hironori Ohnishi
CPC classification number: G03F7/3071 , B41C2201/02 , B41C2201/04 , B41C2201/06 , B41C2210/24 , G03F7/322
Abstract: The present invention relates to a method for developing a lithographic printing plate precursor suitable for applying a positive-working lithographic printing plate precursor for infrared laser which is used for direct plate making. Especially, the present invention relates to a method for developing a lithographic printing plate precursor by using an alkaline developing solution containing a development inhibitor, said lithographic printing plate precursor comprising a substrate and an image forming layer thereon which comprises an alkali soluble resin, said method comprising the steps of: (1) predetermining a Relationship α between the concentration of said development inhibitor and the alkalinity of said alkaline developing solution under appropriate development conditions; (2) measuring both said concentration of said development inhibitor and said alkalinity of said alkaline developing solution at the time of developing said precursor; and (3) controlling said concentration of said development inhibitor and/or said alkalinity in order to satisfy said Relationship α.
Abstract translation: 本发明涉及一种用于显影适用于直接制版的红外线激光用正性平版印刷版原版的平版印刷版原版的方法。 特别地，本发明涉及通过使用含有显影抑制剂的碱性显影液来显影平版印刷版原版的方法，所述平版印刷版原版包括基材和其上含有碱溶性树脂的图像形成层，所述方法 包括以下步骤：（1）在合适的显影条件下，预先确定所述显影抑制剂的浓度与所述碱性显影液的碱度之间的关系α; （2）在显影所述前体时测量所述显影抑制剂的所述浓度和所述碱性显影液的所述碱度; 和（3）控制所述显影抑制剂和/或所述碱度的所述浓度以满足所述关系α。
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公开(公告)号：US06830874B2
公开(公告)日：2004-12-14
申请号：US10188079
申请日：2002-07-03
Applicant: Shun-ichi Kondo , Yuichi Shiraishi
Inventor： Shun-ichi Kondo , Yuichi Shiraishi
IPC: G03F711
CPC classification number: G03F7/322 , B41C1/1008 , B41C1/1016 , B41C2201/02 , B41C2201/04 , B41C2201/12 , B41C2201/14 , B41C2210/04 , B41C2210/06 , B41C2210/22 , B41C2210/24 , G03F7/11
Abstract: A method for preparing a lithographic printing plate which comprises imagewise exposing to light a presensitized plate useful for making a lithographic printing plate having an intermediate layer and a photosensitive layer on an aluminum substrate in this order and developing the imagewise exposed plate with a developer, wherein said intermediate layer comprises a polymer compound comprising at least a structure unit having an acid group and a structure unit having an onium group and said developer comprises an inorganic alkali salt and a nonionic surfactant having polyoxyalkylene ether group and pH of the developer ranges from 11.0 to 12.7. The method provides a lithographic printing plate, which shows good contrast between an image area and non-image area, no background contamination during printing, good stability with time and good printing durability.
Abstract translation: 一种制备平版印刷版的方法，该方法包括以下步骤：将具有中间层和感光层的平版印刷板依次成像曝光于光敏板上，所述平版印刷版在铝基板上依次显影，并用显影剂显影图像曝光板，其中 所述中间层包括至少包含具有酸基的结构单元和具有鎓基的结构单元的聚合物化合物，所述显影剂包含无机碱金属盐和具有聚氧化烯醚基团的非离子表面活性剂，显影剂的pH为11.0至 12.7。 该方法提供了平版印刷版，其在图像区域和非图像区域之间显示出良好的对比度，在印刷期间没有背景污染，具有良好的时间稳定性和良好的印刷耐久性。
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