公开(公告)号：US08632953B2

公开(公告)日：2014-01-21

申请号：US12565391

申请日：2009-09-23

Applicant: Keisuke Arimura

Inventor： Keisuke Arimura

IPC: G03F7/00 ,  G03F7/26 ,  B41M5/00 ,  G03C5/26

CPC classification number: G03F7/322 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

Abstract: A process for making a lithographic printing plate, comprising: an exposure step of imagewise exposing a lithographic printing plate precursor that comprises, above a hydrophilic support, a photosensitive layer comprising (A) a compound that generates a radical upon the application of light or heat, (B) a polymer having an aromatic carboxy group in a side chain, (C) a polymerizable compound, and (D) an infrared absorber; and a development processing step using one type of processing liquid, wherein the processing liquid has a pH of 8.5 to 10.8.

Abstract translation: 一种制备平版印刷版的方法，包括：曝光步骤，将平版印刷版前体成像曝光，所述平版印刷版前体在亲水性载体之上包括感光层，所述感光层包含（A）在施加光或热时产生自由基的化合物 ，（B）侧链具有芳香族羧基的聚合物，（C）聚合性化合物，（D）红外线吸收剂等。 以及使用一种处理液的显影处理步骤，其中处理液的pH为8.5至10.8。

公开(公告)号：US20130137040A1

公开(公告)日：2013-05-30

申请号：US13637302

申请日：2011-03-15

Applicant: Takanori Mori ,  Kenji Hayashi ,  Manabu Hashigaya

Inventor： Takanori Mori ,  Kenji Hayashi ,  Manabu Hashigaya

IPC: G03F7/004

CPC classification number: G03F7/0388 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  G03F7/031 ,  G03F7/033 ,  G03F7/11 ,  G03F7/3035

Abstract: To provide an on-press development type lithographic printing plate precursor excellent in ink receptivity and printing durability. A lithographic printing plate precursor which includes a support, an image-recording layer which contains a sensitizing dye, a polymerization initiator and a polymerizable compound and an unexposed area of which is capable of being removed by supplying after exposure, at least any of printing ink and dampening water on a printing machine, and an overcoat layer containing a water-soluble resin in this order, wherein the overcoat layer is substantially not mixed with the image-recording layer.

Abstract translation: 提供油墨接受性和印刷耐久性优异的印刷版显影型平版印刷版原版。 平版印刷版原版，其包含载体，含有敏化染料的图像记录层，聚合引发剂和可聚合化合物，以及未曝光区域能够通过在曝光后供给而被除去至少任何印刷油墨 和印刷机上的润湿水，以及依次包含水溶性树脂的外涂层，其中所述外涂层基本上不与图像记录层混合。

公开(公告)号：US08399172B2

公开(公告)日：2013-03-19

申请号：US12549549

申请日：2009-08-28

Applicant: Norio Aoshima ,  Kazuo Maemoto

Inventor： Norio Aoshima ,  Kazuo Maemoto

IPC: G03F7/027 ,  G03F7/00

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

Abstract: A negative-working lithographic printing plate precursor is disclosed that can be developed on the press without going through a development processing step, and a method of lithographic printing is also disclosed that uses this negative-working lithographic printing plate precursor. Also disclosed are a negative-working lithographic printing plate precursor that can be developed by a water-soluble resin-containing aqueous solution and a method of lithographic printing that uses this negative-working lithographic printing plate precursor. A negative-working lithographic printing plate precursor is provided that exhibits an excellent fine line reproducibility in nonimage areas even when printing is performed using ultraviolet-curing ink (UV ink). Also provided is a negative-working lithographic printing plate precursor that exhibits an excellent combination of fine line reproducibility and printing durability and that resists the production of scum during on-press development. The negative-working lithographic printing plate precursor has a support and has thereon a photopolymerizable layer that contains a polymer compound that has the urea bond in the main chain and a hydrophilic group and a carboxylic acid content less than 0.05 meq/g. The method of lithographic printing uses this negative-working lithographic printing plate precursor.

Abstract translation: 公开了一种负性平版印刷版原版，其可以在印刷机上显影而不经过显影处理步骤，并且还公开了使用该负性平版印刷版原版的平版印刷方法。 还公开了可以通过含水溶性树脂的水溶液显影的负性平版印刷版原版和使用该负性平版印刷版原版的平版印刷法。 即使在使用紫外线固化油墨（UV油墨）进行印刷的情况下，也提供了在非图像区域中表现出优异的细线再现性的负性平版印刷版原版。 还提供了一种负极平版印刷版原版，其显示细线再现性和印刷耐久性的优异组合，并且抵抗了印刷机中的浮渣的生成。 负性平版印刷版原版具有支撑体，在其上具有包含在主链中具有尿素键的亲水性基团和羧酸含量小于0.05meq / g的高分子化合物的光聚合性层。 平版印刷方法使用这种负性平版印刷版原版。

公开(公告)号：US20130052584A1

公开(公告)日：2013-02-28

申请号：US13593250

申请日：2012-08-23

Applicant: Yu IWAI

Inventor： Yu IWAI

IPC: G03F7/11 ,  G03F7/20

CPC classification number: G03F7/11 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

Abstract: Provided is a lithographic printing plate precursor excellent in the printing durability, staining resistance and developability. The lithographic printing plate precursor comprises, on a support, an image recording layer, and an undercoat layer provided between the support and the image recording layer, the undercoat layer containing a polymer compound (D) composed of repeating units, the polymer compound (D) having, at the terminal of the principal chain thereof, a group having one or more groups selected from hydrophilic group and radical-polymerizable ethylenic unsaturated group, and each repeating unit having, as a side chain bound to the principal chain, one or more groups selected from support-adsorptive groups.

Abstract translation: 提供了印刷耐久性，耐污染性和显影性优异的平版印刷版原版。 平版印刷版原版在载体上包含图像记录层和设置在载体和图像记录层之间的底涂层，底涂层含有由重复单元构成的高分子化合物（D），高分子化合物（D ），其主链的末端具有一个选自亲水基团和可自由基聚合的烯属不饱和基团中的一个或多个基团的基团，并且每个重复单元具有作为与主链结合的侧链的一个或多个 选自支持物吸附组的组。

公开(公告)号：US08371219B2

公开(公告)日：2013-02-12

申请号：US12712882

申请日：2010-02-25

Applicant: Shota Suzuki

Inventor： Shota Suzuki

IPC: G03F7/038 ,  G03C1/00

CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/10 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  G03F7/105 ,  G03F7/3035

Abstract: A lithographic printing plate precursor includes an image-recording layer and a support, and the image-recording layer contains: (A) at least one compound selected from compounds represented by the following formulae (1) and (2); and (B) an infrared absorbing agent: wherein R1 and R2 each represents Ra—SO3—, Ra—CO2— or Ra—OCO2—, Ra represents a monovalent organic group, R3 to R12 each represents a hydrogen atom or a monovalent substituent, or adjacent two of R3 to R12 may be combined with each other to form a ring, X1, Y1 and Z1 and X2, Y2 and Z2 each represents an atomic group necessary to form a thiazole ring, an oxazole ring, an imidazole ring, a triazole ring or a 3H-indole ring, provided that one nitrogen atom of the imidazole ring is connected to a hydrogen atom or a monovalent organic group.

Abstract translation: 平版印刷版原版包括图像记录层和载体，图像记录层包含：（A）至少一种选自下式（1）和（2）表示的化合物的化合物; 和（B）红外吸收剂：其中R1和R2各自表示Ra-SO3-，Ra-CO2-或Ra-OCO2-，Ra表示一价有机基团，R3至R12各自表示氢原子或一价取代基， 或R 3〜R 12中的相邻的两个可以相互结合形成环，X1，Y1和Z1，X2，Y2和Z2各自表示形成噻唑环，恶唑环，咪唑环， 三唑环或3H-吲哚环，条件是咪唑环的一个氮原子连接到氢原子或一价有机基团。

公开(公告)号：US20130011791A1

公开(公告)日：2013-01-10

申请号：US13636037

申请日：2011-03-15

Applicant: Shota Suzuki ,  Toshihide Aoshima

Inventor： Shota Suzuki ,  Toshihide Aoshima

IPC: G03F7/032 ,  G03F7/20 ,  G03F7/004

CPC classification number: G03F7/033 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/26 ,  B41C2210/266 ,  G03F7/027 ,  G03F7/105

Abstract: To provide a coloring photosensitive composition and a lithographic printing plate precursor, ensuring that coloring stability after exposure by infrared laser exposure is good and high coloring is obtained even when exposed after the elapse of time.These can be a coloring photosensitive composition containing a microgel encapsulating (A) a polymer having a glass transition temperature of 50° C. or more, (B) a photoinitiator, and (C) an infrared absorbing dye, and a lithographic printing plate precursor having an image-recording layer containing the composition.

Abstract translation: 为了提供着色感光性组合物和平版印刷版原版，确保通过红外线激光曝光曝光后的着色稳定性良好，即使经过了曝光后也能获得高着色。 这些可以是含有包封（A）玻璃化转变温度为50℃以上的聚合物的微粒凝胶的着色感光性组合物，（B）光引发剂，（C）红外线吸收性染料和平版印刷版原版 具有包含该组合物的图像记录层。

公开(公告)号：US20130004897A1

公开(公告)日：2013-01-03

申请号：US13578627

申请日：2011-02-18

Applicant: Yuichi Shiraishi

Inventor： Yuichi Shiraishi

IPC: G03F7/20

CPC classification number: G03F7/322 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41C2210/266 ,  G03F7/095

Abstract: A method of manufacturing a planographic printing plate is provided in which, even when an alkaline developer having a relatively low pH is used, the development property is excellent and the generation of development scum over time is inhibited. The manufacturing method includes, in this order: subjecting a positive-working planographic printing plate precursor having an image recording layer on a support to imagewise light exposure, the image recording layer including a lower layer containing an infrared absorbing agent, an alkali-soluble resin, and a copolymer at least including a structural unit derived from acrylonitrile and a structural unit derived from styrene, and an upper layer containing a water-insoluble and alkali-soluble resin; and developing the positive-working planographic printing plate precursor after the light exposure by using an aqueous alkali solution which has a pH of 8.5 to 10.8 and contains an anionic surfactant.

Abstract translation: 提供一种平版印刷版的制造方法，其中，即使使用pH值较低的碱性显影剂，显影性也优异，抑制了显影浮渣的产生。 该制造方法按照以下顺序：将具有载体上的图像记录层的正性平版印刷版原版进行成像曝光，所述图像记录层包括含有红外线吸收剂的下层，碱溶性树脂 和至少包含衍生自丙烯腈的结构单元和衍生自苯乙烯的结构单元的共聚物，以及含有水不溶性和碱溶性树脂的上层; 并且通过使用pH为8.5〜10.8的含水碱性溶液并且含有阴离子表面活性剂，在曝光后显影正性平版印刷版原版。

公开(公告)号：US20120295204A1

公开(公告)日：2012-11-22

申请号：US13563853

申请日：2012-08-01

Applicant: Keiichi ADACHI ,  Shigekatsu Fujii ,  Yoshinori Taguchi ,  Takashi Sato

Inventor： Keiichi ADACHI ,  Shigekatsu Fujii ,  Yoshinori Taguchi ,  Takashi Sato

IPC: G03F7/20

CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/10 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24 ,  B41N3/08 ,  G03F7/322

Abstract: A processing method of a lithographic printing plate precursor includes: exposing imagewise a lithographic printing plate precursor comprising a support on a surface of which at least one of: a hydrophilizing treatment; and an undercoat layer has been provided and an image-recording layer, to cure an exposed area of the image-recording layer; and undergoing developing processing with an aqueous solution having pH of from 2 to 10, wherein the aqueous solution comprises an amphoteric surfactant and an anionic surfactant selected from an anionic surfactant having an aliphatic chain and a total number of carbon atoms included in the aliphatic chain of 6 or more and an anionic surfactant having an aromatic ring and a total number of carbon atoms of 12 or more, and a content of the anionic surfactant is from 0.1 to 3.3% by weight of the aqueous solution.

Abstract translation: 平版印刷版原版的加工方法包括：使表面上具有以下至少一种的支撑体的平版印刷版原版成像曝光：亲水化处理; 并提供底涂层和图像记录层，以固化图像记录层的曝光区域; 并用pH为2〜10的水溶液进行显影处理，其中所述水溶液包含两性表面活性剂和阴离子表面活性剂，所述阴离子表面活性剂选自阴离子表面活性剂，所述阴离子表面活性剂选自具有脂族链的脂族链和包含在脂族链中的脂族链总数 6以上的阴离子表面活性剂和具有芳香环，总碳原子数为12以上的阴离子表面活性剂，阴离子表面活性剂的含量为水溶液的0.1〜3.3重量％。

公开(公告)号：US08304171B2

公开(公告)日：2012-11-06

申请号：US12563812

申请日：2009-09-21

Applicant: Tomoya Sasaki

Inventor： Tomoya Sasaki

IPC: G03F7/00 ,  G03F7/26 ,  B41N1/00 ,  B41F7/00

CPC classification number: G03F7/3035 ,  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 ,  G03F7/105

Abstract: A plate making method of a lithographic printing plate precursor includes: exposing imagewise a lithographic printing plate precursor including a support and an image-forming layer and containing (A) a compound generating an acid with light or heat, (B) an aromatic hydrocarbon compound or heterocyclic compound substituted with a functional group containing a nitrogen atom and (C) an aromatic aldehyde protected with an acid-decomposable group; and removing an unexposed area of the image-forming layer of the lithographic printing plate precursor by supplying at least one of dampening water and ink on a cylinder of a printing machine.

Abstract translation: 平版印刷版原版的制版方法包括：对包含载体和图像形成层的平版印刷版原版进行成像曝光，并含有（A）产生酸或光的化合物，（B）芳族烃化合物 或被含有氮原子的官能团取代的杂环化合物和（C）用酸可分解基团保护的芳族醛; 以及通过在印刷机的圆筒上提供润湿水和油墨中的至少一个来去除平版印刷版原版的图像形成层的未曝光区域。

公开(公告)号：US08304168B2

公开(公告)日：2012-11-06

申请号：US12564481

申请日：2009-09-22

Applicant: Yoshinori Taguchi

Inventor： Yoshinori Taguchi

IPC: G03F7/027 ,  G03F7/32

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

Abstract: A lithographic printing plate precursor is provided that includes, above a support, a photosensitive layer including (i) a binder polymer, (ii) an ethylenically unsaturated compound, and (iii) a polymerization initiator, the ethylenically unsaturated compound (ii) including a compound represented by Formula (1) below. (In Formula (1), L denotes an (m+n)-valent linking group, the Ds independently denote a group selected from the group consisting of groups represented by Formulae (A) to (D) below, the Rs independently denote a monovalent substituent, m denotes an integer of 1 to 20, and n denotes an integer of 2 to 20.) (In Formulae (A) to (D), X, Y, and Z independently denote an oxygen atom, a sulfur atom, or NR17, R4 to R14 and R17 independently denote a hydrogen atom or a monovalent substituent, R15 denotes a hydrogen atom or a methyl group, R16 denotes a monovalent substituent, and k denotes an integer of 0 to 4.) There is also provided a process for producing a lithographic printing plate, including an exposure step of imagewise exposing the lithographic printing plate precursor and a development step of removing the photosensitive layer of a non-exposed portion in the presence of a developer having buffering capacity.

Abstract translation: 提供了一种平版印刷版前体，其在载体上方包括感光层，其包含（i）粘合剂聚合物，（ii）烯属不饱和化合物和（iii）聚合引发剂，所述烯属不饱和化合物（ii）包括 由下式（1）表示的化合物。 （式（1）中，L表示（m + n）价的连接基，Ds独立地表示选自下述式（A）〜（D）所示的基团的基团，Rs独立地表示 一元取代基，m表示1〜20的整数，n表示2〜20的整数。）（式（A）〜（D）中，X，Y，Z分别表示氧原子，硫原子， 或NR 17，R 4至R 14和R 17独立地表示氢原子或一价取代基，R 15表示氢原子或甲基，R 16表示一价取代基，k表示0〜4的整数。）另外， 制造平版印刷版的方法，包括使平版印刷版原版成像曝光的曝光步骤和在具有缓冲能力的显影剂的存在下除去非曝光部分的感光层的显影步骤。