公开(公告)号：US5677098A

公开(公告)日：1997-10-14

申请号：US578949

申请日：1995-12-27

申请人： Takao Nakayama ,  Eiichi Kato ,  Kazuo Ishii

发明人： Takao Nakayama ,  Eiichi Kato ,  Kazuo Ishii

IPC分类号： G03G5/06 ,  G03G5/09 ,  G03G5/10

CPC分类号： G03G5/0674 ,  G03G5/067 ,  G03G5/09 ,  Y10S430/146

摘要： A method for forming an image using beam exposure of an electrophotosensitive material comprising an electrically conductive support having thereon an electrophotosensitive layer containing an inorganic photoconductor, a chemical sensitizer, a spectral sensitizing dye and a binder resin, wherein the spectral sensitizing dye is at least one dye selected from the compounds represented by formulae (I) and (II) defined in the disclosure and the surface of the electrically conductive support on the side of the electrophotosensitive layer has a BEKK smoothness of 300 sec/10 cc or more.

摘要翻译： 一种使用光电敏感材料的光束曝光来形成图像的方法，该光电敏感材料包括其上具有含有无机光电导体，化学增感剂，光谱增感染料和粘合剂树脂的光敏层的导电载体，其中光谱增感染料是至少一种 选自本公开中限定的由式（I）和（II）表示的化合物的染料和在电光敏层一侧的导电载体的表面的BEKK平滑度为300秒/ 10cc以上。

公开(公告)号：US5770340A

公开(公告)日：1998-06-23

申请号：US578952

申请日：1995-12-27

申请人： Takao Nakayama ,  Eiichi Kato ,  Kazuo Ishii

发明人： Takao Nakayama ,  Eiichi Kato ,  Kazuo Ishii

IPC分类号： G03G5/05 ,  G03G5/06 ,  G03G5/09 ,  G03G5/10 ,  G03G13/28 ,  G03G15/10 ,  G06C13/04

CPC分类号： G03G5/067 ,  G03G13/28 ,  G03G5/055 ,  G03G5/09 ,  G03G5/10 ,  Y10S430/146

摘要： A method for forming an image using scanning exposure of an electrophotographic lithographic printing plate comprising an electrically conductive support having thereon a photoconductive layer containing an inorganic photoconductor, a chemical sensitizer, a sensitizing dye and a binder resin, and a back layer on the opposite side of the photoconductive layer, wherein the back layer has a surface resistivity of 1.times.10.sup.10 .OMEGA. or less and the sensitizing dye in the photoconductive layer is at least one selected from the compounds represented by formulae (I) and (II) defined in the disclosure.

摘要翻译： 一种使用电子照相平版印刷版的扫描曝光来形成图像的方法，该电子照相平版印刷版包括其上具有含有无机光电导体，化学增感剂，敏化染料和粘合剂树脂的光电导层的导电载体和相对侧的背层 的光电导层，其中所述背层的表面电阻率为1×10 10Ω或更小，并且所述光电导层中的增感染料是选自本公开中定义的由式（I）和（II）表示的化合物中的至少一种。

公开(公告)号：US06539866B1

公开(公告)日：2003-04-01

申请号：US08888759

申请日：1997-07-07

申请人： Sadao Osawa ,  Eiichi Kato ,  Hiroyuki Ohishi ,  Kazuo Ishii

发明人： Sadao Osawa ,  Eiichi Kato ,  Hiroyuki Ohishi ,  Kazuo Ishii

IPC分类号： B41C110

CPC分类号： B41C1/1066

摘要： A process for preparing an ink-jet system printing plate, wherein in a planographic printing plate precursor having an image receiving layer containing zinc oxide and a binder resin on a water-resistant support, the surface of the image receiving layer has a water-contact angle of 50° or more, and image formation is carried out according to a hot melt type ink-jet system by heat melting an ink composition that is solid at ordinary temperature and spraying the droplets of the ink composition in a heat melt state from a nozzle onto the image receiving layer, and a nonimage area of the image receiving layer is then subjected to a desensitizing treatment by a chemical reaction to prepare a planographic printing plate.

摘要翻译： 一种制备喷墨系统印版的方法，其中在具有含有氧化锌和粘合剂树脂的图像接收层的平版印刷版原版中，在耐水载体上，图像接收层的表面具有水接触 角度为50°以上，根据热熔型喷墨系统，通过对常温下为固体的油墨组合物进行加热熔融，并从喷嘴喷射加热熔融状态的油墨组合物的液滴，进行图像形成 然后对图像接收层的非图像区域进行化学反应的脱敏处理以制备平版印刷版。

公开(公告)号：US06513434B1

公开(公告)日：2003-02-04

申请号：US09572433

申请日：2000-05-17

申请人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato ,  Sadao Ohsawa

发明人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato ,  Sadao Ohsawa

IPC分类号： B41C110

CPC分类号： B41J2/20 ,  B41C1/1066 ,  B41J2/06 ,  B41J2/175

摘要： An on-press recording type lithographic printing method involving an ink jet process which comprises ejecting an oil-based ink onto a printing plate material mounted on the plate cylinder of a press utilizing an electrostatic field according to signals of image data, whereby an image is directly formed on the surface of said printing plate precursor, thereby preparing a printing plate which is then used as it is to effect lithographic printing, characterized in that when any abnormality occurs, the formation of image is suspended and/or the cause of abnormality is removed.

摘要翻译： 包括喷墨方法的按压记录型平版印刷方法，其包括根据图像数据的信号，使用静电场将油性油墨喷射到安装在印刷机的印版滚筒上的印版上，从而图像是 直接形成在所述印版前体的表面上，从而制备印刷版，然后将其原样用于进行平版印刷，其特征在于，当发生任何异常时，图像的形成被暂停和/或异常的原因是 删除。

公开(公告)号：US06241341B1

公开(公告)日：2001-06-05

申请号：US09418656

申请日：1999-10-15

申请人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

发明人： Yusuke Nakazawa ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41J206

CPC分类号： B41J2/06 ,  B41J2002/061

摘要： An ink jet recording method comprising: supplying insulating oily ink to an ejection part disposed so as to face a recording medium; applying an electrostatic field to the ink at the ejection part; irradiating the ink subjected to the electrostatic field at the ejection part with light in accordance with image data so as to eject the ink to form an image on the recording medium; and recovering excess ink from the ejection part. Also disclosed is an ink jet recording apparatus suitable for the ink jet recording method.

摘要翻译： 一种喷墨记录方法，包括：向设置成面对记录介质的喷射部分供给绝缘油性油墨; 在喷射部分向油墨施加静电场; 根据图像数据用光照射在喷射部分处于静电场的墨水，以便喷射墨水以在记录介质上形成图像; 并从喷射部分回收多余的油墨。 还公开了适用于喷墨记录方法的喷墨记录装置。

公开(公告)号：US06184267B2

公开(公告)日：2001-02-06

申请号：US09009692

申请日：1998-01-20

申请人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

发明人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

IPC分类号： C09D1102

CPC分类号： C09D11/36 ,  G03G13/28 ,  G03G13/283

摘要： An oil-based ink for a printing plate by an ink jet process comprising spraying an oil-based ink comprising at least resin particles dispersed in a nonaqueous carrier liquid having an electric resistance of 109 &OHgr;cm or more and a dielectric constant of 3.5 or less on a water-resistant support having a lithographically printable hydrophilic surface to dropwise from a nozzle form an image, wherein the resin particles dispersed are polymer particles obtained by polymerization granulation of a solution comprising (i), (ii) and (iii): (i) at least one monofunctional monomer (A) which is soluble in a nonaqueous solvent which is at least miscible with the nonaqueous carrier liquid and becomes insoluble therein by polymerization; (ii) (ii-a) at least one monomer (B) which is copolymerizable with the monomer (A), or (ii-b) at least one monofunctional macromonomer (MA) having a weight average molecular weight of 2×104 or less in which a polymerizable double bond group is combined with only one end of a main chain of a polymer comprising a repeating unit corresponding to a monomer; and (iii) at least one resin for dispersion stabilization (P) which is a polymer comprising a repeating unit and is soluble in the nonaqueous solvent, the polymer being crosslinked at a part of its main chain thereof, and a method for preparing a printing plate by an ink jet process using the ink.

摘要翻译： 一种喷墨方法的印刷用油性油墨，其特征在于，喷涂含有至少分散在电阻为10 9Ω·cm以上且介电常数为3.5以下的非水性载体液中的树脂颗粒的油性油墨， 具有可喷墨亲水表面的防水支撑体从喷嘴形成图像，其中分散的树脂颗粒是通过聚合造粒包含（i），（ii）和（iii）的溶液获得的聚合物颗粒：（i ）至少一种单官能单体（A），其可溶于非水溶剂中，所述非水溶剂至少与非水性载体液体可混溶并通过聚合而不溶于其中; （ii）（ii-a）至少一种可与单体（A）共聚的单体（B）或（ii-b）至少一种重均分子量为2x104或更小的单官能大分子单体（MA） 其中可聚合双键基团仅与包含对应于单体的重复单元的聚合物主链的一端结合; 和（iii）至少一种用于分散稳定化的树脂（P），其是包含重复单元并且可溶于非水溶剂的聚合物，该聚合物在其主链的一部分被交联，以及制备印刷的方法 通过使用该油墨的喷墨处理来进行印版。

公开(公告)号：US5700612A

公开(公告)日：1997-12-23

申请号：US661723

申请日：1996-06-11

申请人： Eiichi Kato ,  Yusuke Nakazawa ,  Kazuo Ishii

发明人： Eiichi Kato ,  Yusuke Nakazawa ,  Kazuo Ishii

IPC分类号： G03G13/26 ,  G03G13/28

CPC分类号： G03G13/26 ,  G03G13/283

摘要： A method for preparation of a printing plate by an electrophotographic process comprising providing a peelable transfer layer (T) containing a resin (A) capable of being removed upon a chemical reaction treatment on an electrophotographic light-sensitive element, forming a toner image on the transfer layer by an electrophotographic process, providing an adhesive layer (M) containing a thermoplastic resin (B) only on the toner image, transferring the toner image together with the transfer layer (T) and the adhesive layer (M) from the electrophotographic light-sensitive element to a primary receptor, transferring the toner image together with the transfer layer (T) and the adhesive layer (M) from the primary receptor to a receiving material having a surface capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing, and then removing the transfer layer (T) in the non-image portion on the receiving material by the chemical reaction treatment. According to the method of the present invention, printing plates which produce prints of good image qualities having a lage proportion of image areas can be continuously obtained in a stable manner for a long period of time even when a thickness of the transfer layer is reduced or the transfer is conducted under conditions of low temperature, low pressure and high speed irrespective of the kind of toner employed.

摘要翻译： 一种通过电子照相方法制备印版的方法，包括提供含有可在电子照相感光元件进行化学反应处理时能除去的树脂（A）的可剥离转印层（T），在 通过电子照相方法转印层，仅在调色剂图像上提供含有热塑性树脂（B）的粘合剂层（M），将调色剂图像与转印层（T）和粘合剂层（M）一起从电子照相光转印 将调色剂图像与转印层（T）和粘合剂层（M）一起从初级接收体转移到具有能够提供适合于平版印刷的亲水表面的表面的接收材料 打印时间，然后通过化学反应处理去除接收材料上的非图像部分中的转印层（T）。 根据本发明的方法，即使当转印层的厚度减小时，也可以长期稳定地连续地获得具有图像面积比例大的具有良好图像质量的印刷品的印刷版， 转移在低温，低压和高速的条件下进行，而与使用的调色剂的种类无关。

公开(公告)号：US5652076A

公开(公告)日：1997-07-29

申请号：US660129

申请日：1996-06-07

申请人： Eiichi Kato ,  Hiroyuki Oishi ,  Kazuo Ishii

发明人： Eiichi Kato ,  Hiroyuki Oishi ,  Kazuo Ishii

IPC分类号： G03G5/05 ,  G03G13/28 ,  G03G13/16

CPC分类号： G03G5/0592 ,  G03G13/283 ,  G03G5/0589

摘要： A method for preparation of a printing plate by an electrophotographic process comprising providing a peelable transfer layer (T) containing a resin (A) capable of being removed upon a chemical reaction treatment on an electrophotographic light-sensitive element, forming a toner image on the transfer layer by an electrophotographic process, providing an adhesive layer (M) containing a thermoplastic resin (B) only on the toner image, transferring the toner image together with the transfer layer (T) and the adhesive layer (M) from the electrophotographic light-sensitive element to a receiving material having a surface capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing, and then removing the transfer layer (T) on the receiving material by the chemical reaction treatment.According to the method, printing plates which produces prints of good image qualities can be continuously obtained in a stable manner for a long period of time even when the transfer is conducted under conditions of low temperature, low pressure and high speed.

摘要翻译： 一种通过电子照相方法制备印版的方法，包括提供含有可在电子照相感光元件进行化学反应处理时能除去的树脂（A）的可剥离转印层（T），在 通过电子照相方法转印层，仅在调色剂图像上提供含有热塑性树脂（B）的粘合剂层（M），将调色剂图像与转印层（T）和粘合剂层（M）一起从电子照相光转印 具有能够提供在印刷时适合于平版印刷的亲水性表面的表面的接收材料的敏感元件，然后通过化学反应处理除去接收材料上的转印层（T）。 根据该方法，即使在低温，低压和高速的条件下进行转印，也可以长时间稳定地连续地获得产生良好图像质量的印刷品的印版。

公开(公告)号：US5229236A

公开(公告)日：1993-07-20

申请号：US725091

申请日：1991-07-03

申请人： Eiichi Kato ,  Kazuo Ishii ,  Seishi Kasai ,  Hirohisa Yamasaki

发明人： Eiichi Kato ,  Kazuo Ishii ,  Seishi Kasai ,  Hirohisa Yamasaki

IPC分类号： G03G5/05

CPC分类号： G03G5/0596 ,  G03G5/0589 ,  G03G5/0592

摘要： An electrophotographic lithographic printing plate precursor having a conductive support having provided thereon at least one photoconductive layer containing photoconductive zinc oxide and a binder resin, wherein the photoconductive layer contains at least one of the following non-aqueous solvent-dispersed resin grains having an average grain diameter of same as or smaller than the maximum grain diameter of the photoconductive zinc oxide grains: wherein the non-aqueous solvent-dispersed resin grains comprise copolymer resin grains obtained by (i) subjecting to a polymerization reaction in a non-aqueous solvent, a monofunctional monomer (A) being soluble in the non-aqueous solvent but insoluble after polymerization and containing at least one polar group, as described herein, and a monofunctional polymer [M] comprising a polymer principal chain containing at least recurring units each containing a silicon atom and/or fluorine atom-containing substituent, to only one end of which a polymerizable double bond group represented by the following general formula (I), as described herein, is bonded; or (2) subjecting to a dispersion polymerization reaction in a non-aqueous solvent in the presence of a dispersion stabilizing resin soluble in the non-aqueous solvent, a monofunctional monomer (A) being soluble in the non-aqueous solvent but insoluble after polymerization and containing at least one polar group, as described herein, and a monofunctional monomer [B] being copolymerizable with the monofunctional monomer (A) and having a silicon atom and/or fluorine atom-containing substituent.

公开(公告)号：US5183720A

公开(公告)日：1993-02-02

申请号：US555017

申请日：1990-07-20

申请人： Eiichi Kato ,  Kazuo Ishii

发明人： Eiichi Kato ,  Kazuo Ishii

IPC分类号： C09J11/00 ,  C09J133/04 ,  C09J133/08 ,  C09J201/00 ,  G03G5/05 ,  G03G5/087 ,  G03G13/28

CPC分类号： G03G5/0592 ,  G03G5/0589

摘要： An electrophotographic light-sensitive material comprising a support having provided thereon at least one photoconductive layer containing an inorganic photoconductive substance and a binder resin, wherein the binder resin comprises (A) at least one resin having a weight average molecular weight of from 1.times.10.sup.3 to 2.times.10.sup.4 and containing not less than 30% by weight of a copolymerizable component corresponding to a repeating unit represented by the general formula (I) described below and from 0.5 to 20% by weight of a copolymerizable component having at least one acidic group selected from the group consisting of --PO.sub.3 H.sub.2, --SO.sub.3 H, --COOH, --OH, ##STR1## (wherein R represents a hydrocarbon group or --OR' (wherein R' represents a hydrocarbon group)) and a cyclic acid anhydride-containing group; ##STR2## wherein a.sub.1 and a.sub.2 each represents a hydrogen atom, a halogen atom, a cyano group or a hydrocarbon group; and R.sub.1 represents a hydrocarbon group; and (B) at least one copolymer having a weight average molecular weight of from 5.times.10.sup.4 to 1.times.10.sup.6 and comprising at least a monofunctional macromonomer (M) and a monomer represented by the general formula (V) described below. ##STR3##