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

IPC: B41C1/10 ,  B41M5/36 ,  B41N1/14 ,  G03F7/075 ,  G03F7/11 ,  G03F7/30

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。

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

IPC: B05D3/02 ,  B05D7/00 ,  B41C1/10 ,  B41N1/08 ,  G03F7/09 ,  G03F7/16

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。

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

IPC: G03F7/004 ,  B41C1/10 ,  B41N3/08 ,  G03F7/00 ,  G03F7/30 ,  G03F7/32 ,  G03C5/26

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。

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。

公开(公告)号：US20040214108A1

公开(公告)日：2004-10-28

申请号：US10423343

申请日：2003-04-25

Inventor： Kevin B. Ray ,  S. Peter Pappas ,  John Kalamen

IPC: G03F007/039 ,  G03F007/30 ,  B41N001/14

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

Abstract: Thermally imageable elements useful as lithographic printing plate precursors are disclosed. The elements comprise a top layer over a support. The top layer comprises a phenolic resin and an ionic liquid.

Abstract translation: 公开了可用作平版印刷版前体的可热成像元件。 元件包括支撑件上的顶层。 顶层包含酚醛树脂和离子液体。

公开(公告)号：US06800426B2

公开(公告)日：2004-10-05

申请号：US10016173

申请日：2001-12-13

Applicant: Kevin Barry Ray ,  Anthony Paul Kitson

Inventor： Kevin Barry Ray ,  Anthony Paul Kitson

IPC: G03F700

CPC classification number: B41C1/1016 ,  B41C2201/04 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  G03F7/022 ,  G03F7/2022 ,  G03F7/2055 ,  Y10S430/145

Abstract: A process for forming a negative image useful as a printing plate is disclosed. A photosensitive assembly that comprises (a) a hydrophilic support, (b) a first layer that comprises a polymer that is soluble or dispersible in an aqueous alkaline solution, (c) a second layer that comprises at least one o-quinonediazide compound, and (d) an infrared absorbing compound is: (1) flood exposed with ultraviolet radiation; (2) imagewise exposed with infrared laser radiation; and (3) developed to produce the negative image.

Abstract translation: 公开了一种形成用作印版的负像的方法。 一种感光组件，其包含（a）亲水性载体，（b）包含可溶于或可分散在碱性水溶液中的聚合物的第一层，（c）包含至少一种邻醌二叠氮化合物的第二层，和 （d）红外吸收化合物是：（1）用紫外线辐射暴露; （2）用红外激光照射成像曝光; 和（3）开发产生负像。

公开(公告)号：US20040191673A1

公开(公告)日：2004-09-30

申请号：US10805261

申请日：2004-03-22

Applicant: FUJI PHOTO FILM CO., LTD.

Inventor： Kaku Sakata

IPC: G03C001/76

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

Abstract: A lithographic printing plate precursor comprising a hydrophilic support having provided thereon a first layer comprising a first resin that is water-insoluble and alkali-soluble and a second layer comprising a second resin that is water-insoluble and alkali-soluble in this order and a light-heat converting agent incorporated into at least one layer of the first layer and second layer, which further comprises at least one organic solvent selected from organic solvents having a boiling point not less than 150null C. and a dipole moment not less than 3.50 debye in an amount of from 0.5 to 5% by weight based on the total dry weight of the first layer and second layer.

Abstract translation: 一种平版印刷版原版，其包含亲水性载体，其上设置有第一层，该第一层包含水不溶性和碱溶性的第一树脂和包含依次为不溶于水和碱溶性的第二树脂的第二层， 光热转换剂并入第一层和第二层的至少一层中，其还包含至少一种选自沸点不低于150℃的有机溶剂和偶极矩不小于3.50的有机溶剂 基于第一层和第二层的总干重，约0.5-5重量％的德拜。

公开(公告)号：US20040185375A1

公开(公告)日：2004-09-23

申请号：US10803999

申请日：2004-03-19

Applicant: FUJI PHOTO FILM CO., LTD.

Inventor： Miki Takahashi ,  Hidehito Sasaki ,  Hisashi Hotta

IPC: G03C001/73

CPC classification number: B41C1/1016 ,  B41C2201/04 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  C08F12/28 ,  C08F212/14 ,  C09D125/18

Abstract: The present invention provides a planographic printing plate precursor having an intermediate layer containing a polymer having a structure represented by the formula (I) at its side chain and an infrared laser photosensitive positive recording layer, disposed on a support in this order. In the formula (I), Y represents a connecting group connected with a main chain of the polymer, R1 represents a hydrogen atom or a hydrocarbon group and R2 represents a divalent hydrocarbon group. 1

Abstract translation: 本发明提供了一种平版印刷版原版，其具有中间层，该中间层含有其侧链上具有式（I）表示的结构的聚合物和红外激光感光性正性记录层，其依次设置在载体上。 在式（I）中，Y表示与聚合物的主链连接的连接基，R 1表示氢原子或烃基，R 2表示二价烃基。

公开(公告)号：US06794104B2

公开(公告)日：2004-09-21

申请号：US10370694

申请日：2003-02-24

Applicant: Hiroshi Tashiro

Inventor： Hiroshi Tashiro

IPC: G03F709

CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  B41N3/036

Abstract: A lithographic printing plate precursor of the present invention comprises a water-resistant support, a hydrophilic layer and an image-forming layer, in this order, said hydrophilic layer comprising a fine particulate hydrophobicizing precursor and a hydrophilic binder polymer, and said image forming layer comprising a light-heat converting substance and a microcapsule encapsulating a hydrophobic substance, wherein the hydrophilic binder polymer is a composite material of a hydrophilic organic polymer and a polymer having a group including: at least one atom selected from a metal atom and semimetal atom; and an oxygen atom connecting with the at least one atom selected from a metal atom and semimetal atom.

Abstract translation: 本发明的平版印刷版原版依次包括耐水支撑体，亲水层和图像形成层，所述亲水层包含细颗粒疏水化前体和亲水性粘合剂聚合物，所述图像形成层 包括光热转换物质和包封疏水物质的微胶囊，其中亲水性粘合剂聚合物是亲水性有机聚合物和具有以下基团的聚合物的复合材料，所述基团包括：至少一个选自金属原子和半金属原子的原子; 和与选自金属原子和半金属原子的至少一个原子连接的氧原子。

公开(公告)号：US20040175648A1

公开(公告)日：2004-09-09

申请号：US10782852

申请日：2004-02-23

Applicant: FUJI PHOTO FILM CO., LTD.

Inventor： Takahiro Goto

IPC: G03F007/038 ,  G03F007/11

CPC classification number: B41C1/1008 ,  B41C1/10 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41M5/368

Abstract: The present invention provides a photosensitive composition including an infrared absorbing agent, a sulfonium salt polymerization initiator, a polymerizable compound, a binder polymer and a compound having a weight average molecular weight of 3000 or less and having at least one carboxylic acid group, as well as a planographic printing plate precursor containing the photosensitive composition in a photosensitive layer on a substrate.

Abstract translation: 本发明提供了包含红外线吸收剂，锍盐聚合引发剂，可聚合化合物，粘合剂聚合物和重均分子量为3000以下且具有至少一个羧酸基的化合物的感光性组合物，以及 作为在基材上的感光层中含有感光性组合物的平版印刷版原版。