公开(公告)号：US5582943A

公开(公告)日：1996-12-10

申请号：US217060

申请日：1994-03-24

申请人： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

发明人： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

IPC分类号： G03G5/02 ,  G03G5/147 ,  G03G7/00

CPC分类号： G03G5/14795 ,  G03G5/02 ,  G03G5/147 ,  G03G7/00 ,  G03G7/0093

摘要： A method of forming an electrophotographic color transfer image comprising forming at least one color toner image on a transfer layer provided on the surface of an electrophotographic light-sensitive element by an electrophotographic process and heat-transferring the toner image together with the transfer layer onto a receiving material wherein the surface of the electrophotographic light-sensitive element has an adhesive strength of not more than 200 gram.force, which is measured according to JIS Z 0237-1980 "Testing methods of pressure sensitive adhesive tapes and sheets" and the transfer layer mainly contains a thermoplastic resin (AH) having a glass transition point of not more than 140.degree. C. or a softening point of not more than 180.degree. C. and a thermoplastic resin (AL) having a glass transition point of not more than 45.degree. C. or a softening point of not more than 60.degree. C. in which a difference in the glass transition point or softening point between the resin (AH) and the resin (AL) is at least 2.degree. C.The method is excellent in obtaining color duplicates having good image quality without color shear and good storage stability at a low cost. An electrophotographic light-sensitive material suitable for use in the method is also described.

摘要翻译： 一种形成电子照相彩色转印图像的方法，包括通过电子照相方法在设置在电子照相感光元件的表面上的转印层上形成至少一种彩色调色剂图像，并将调色剂图像与转印层一起热转印到 接收材料，其中电子照相感光元件的表面具有不超过200克力的粘合强度，其根据JIS Z 0237-1980“压敏粘合带和片材的测试方法”和转印层 主要含有玻璃化转变点不超过140℃或软化点不超过180℃的热塑性树脂（AH）和玻璃化转变点不大于45的热塑性树脂（AL） ℃或软化点不超过60℃，其中树脂（AH）和树脂之间的玻璃化转变点或软化点的差异 n（AL）至少为2℃。该方法在低颜色下获得具有良好的图像质量而无色剪切和良好储存稳定性的颜色复制品。 还描述了适用于该方法的电子照相感光材料。

公开(公告)号：US5800954A

公开(公告)日：1998-09-01

申请号：US853411

申请日：1997-05-09

申请人： Eiichi Kato ,  Sadao Osawa ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Sadao Osawa ,  Yusuke Nakazawa

IPC分类号： G03G5/147 ,  G03G7/00 ,  G03G13/01 ,  G03G15/01 ,  G03G13/16 ,  G03G15/16

CPC分类号： G03G15/01 ,  G03G13/01 ,  G03G5/147 ,  G03G7/00

摘要： A color image is obtained by (i) providing a peelable transfer layer 12 on an electrophotographic light-sensitive element 11 comprising a support 1 and a light-sensitive layer 2, (ii) forming one or more color toner images 3 on the transfer layer by a conventional electrophotographic process, (iii) transferring the toner image 3 together with the transfer layer 12 onto a primary receptor 20, and then (iv) transferring the toner images 3 together with the transfer layer 12 onto a final receiving material 30. According to the method, a color duplicate of high accuracy and high quality without color shear is obtained, and a color image is easily transferred irrespective of the kind of a final receiving material. Further, since there is no residual toner image at the transfer, the light-sensitive element and intermediate medium are repeatedly usable.

摘要翻译： 通过（i）在包括支撑体1和感光层2的电子照相感光元件11上设置可剥离转印层12，（ii）在转印层上形成一个或多个彩色调色剂图像3，获得彩色图像 通过常规电子照相方法，（iii）将调色剂图像3与转印层12一起转印到主接收器20上，然后（iv）将调色剂图像3与转印层12一起转印到最终的接收材料30上。根据 对于该方法，获得高精度和高质量而没有颜色剪切的彩色副本，并且彩色图像容易转印，而不管最终的接收材料的种类如何。 此外，由于在转印时没有残留调色剂图像，所以可以重复使用感光元件和中间介质。

公开(公告)号：US5747214A

公开(公告)日：1998-05-05

申请号：US343476

申请日：1994-11-25

申请人： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

发明人： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

IPC分类号： G03G5/02 ,  G03G5/147 ,  G03G7/00 ,  G03G13/01 ,  G03G13/14 ,  G03G15/16

CPC分类号： G03G5/14773 ,  G03G13/01 ,  G03G5/02 ,  G03G5/147 ,  G03G5/14726 ,  G03G7/00

摘要： A method and apparatus for forming a color image is disclosed which provide simply and stably color duplicates of high accuracy and high quality without color shear and color images excellent in storage stability. A method of forming color images comprising applying a compound (S) which contains a fluorine atom and/or silicon atom to the surface of electrophotographic light-sensitive element, forming a peelable transfer layer on the surface of electrophotographic light-sensitive element, forming at least one color toner image by an electrophotographic process on the transfer layer and transferring the toner image together with the transfer layer to a receiving material and an apparatus used therefor are disclosed.

摘要翻译： PCT No.PCT / JP94 / 00487 Sec。 371日期：1994年11月25日 102（e）日期1994年11月25日PCT 1994年3月25日PCT公布。 公开号WO94 / 23345 日期1994年10月13日公开了一种形成彩色图像的方法和装置，其提供了高精度和高质量的简单和稳定的彩色复制品，而没有颜色剪切和存储稳定性优异的彩色图像。 一种形成彩色图像的方法，包括将包含氟原子和/或硅原子的化合物（S）施加到电子照相感光元件的表面上，在电子照相感光元件的表面上形成可剥离的转印层，形成在 公开了通过转印层上的电子照相方法将调色剂图像与转印层一起转印到接收材料上的至少一个彩色调色剂图像和用于其的设备。

公开(公告)号：US5648190A

公开(公告)日：1997-07-15

申请号：US374713

申请日：1995-03-27

申请人： Eiichi Kato ,  Sadao Osawa ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Sadao Osawa ,  Yusuke Nakazawa

IPC分类号： G03G5/147 ,  G03G8/00 ,  G03G11/00 ,  G03G13/01 ,  G03G13/14 ,  G03G15/01

CPC分类号： G03G11/00 ,  G03G13/01 ,  G03G5/147 ,  G03G8/00

摘要： A method of forming a color image comprising providing a first peelable transfer layer 12 on an electrophotographic light-sensitive element 11 whose surface has releasability, forming one or more color toner images 3 on the first transfer layer by a conventional electrophotographic process, further forming a second transfer layer 13 on the toner images 3, and transferring the toner images 3 together with the first transfer layer 12 and the second transfer layer 13 to a receiving material 16 is disclosed. The method is excellent in transferability of toner image and provides simply and stably color images of high accuracy and high quality without color shear. The transfer layer has good releasability from an electrophotographic light-sensitive element and good adhesion to a receiving material. A color duplicate formed has good retouching property, sealing property and storage stability.

摘要翻译： PCT No.PCT / JP94 / 00847 Sec。 371日期：1995年3月27日 102（e）1995年3月27日PCT PCT 1994年5月27日PCT公布。 公开号WO94 / 28466 日期1994年12月8日一种形成彩色图像的方法，包括在其表面具有可剥离性的电子照相感光元件11上提供第一可剥离转印层12，在常规电子照相中在第一转印层上形成一个或多个彩色调色剂图像3 进一步在调色剂图像3上形成第二转印层13，并将调色剂图像3与第一转印层12和第二转印层13一起转印到接收材料16。 该方法在调色剂图像的转印性方面是优异的，并且在没有颜色剪切的情况下提供高精度和高质量的简单且稳定的彩色图像。 转印层与电子照相感光元件具有良好的剥离性和对接收材料的良好粘合性。 形成的彩色副本具有良好的润饰性，密封性和储存稳定性。

公开(公告)号：US5620822A

公开(公告)日：1997-04-15

申请号：US262029

申请日：1994-06-17

申请人： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

发明人： Eiichi Kato ,  Yusuke Nakazawa ,  Sadao Osawa

IPC分类号： G03G13/28 ,  G03G13/22

CPC分类号： G03G13/28

摘要： A method for preparation of a printing plate by an electrophotographic process comprising forming a peelable transfer layer mainly containing a resin (A) capable of being removed upon a chemical reaction treatment on the surface of an electrophotographic light-sensitive element, forming a toner image on the transfer layer by an electrophotographic process, heat-transferring the toner image together with the transfer layer onto a receiving material a surface of which is capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing, and removing the transfer layer on the receiving material upon the chemical reaction treatment, wherein prior to or simultaneously with the formation of transfer layer a compound (S) which contains a fluorine atom and/or silicon atom is applied to the surface of electrophotographic light-sensitive element to improve releasability of the surface of electrophotographic light-sensitive element.The method continuously provides printing plates excellent in image qualities in a stable manner and is suitable for a scanning exposure system using a laser beam.An apparatus suitable for performing the present method is also disclosed.

摘要翻译： 一种通过电子照相方法制备印版的方法，包括形成主要包含在电子照相感光元件的表面上进行化学反应处理能够除去的树脂（A）的可剥离转印层，形成调色剂图像 通过电子照相方法将转印层与转印层一起热转印到其表面上的能够提供适合于印刷时的平版印刷的亲水表面的接收材料上，并且将转印层除去 在化学反应处理时的接收材料，其中在形成转移层之前或同时形成含有氟原子和/或硅原子的化合物（S）施加到电子照相感光元件的表面上，以提高 电子照相感光元件的表面。 该方法以稳定的方式连续提供图像质量优异的印刷版，并且适用于使用激光束的扫描曝光系统。 还公开了适用于执行本方法的装置。

公开(公告)号：US6152037A

公开(公告)日：2000-11-28

申请号：US268116

申请日：1999-03-15

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

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

IPC分类号： B41F7/02 ,  B41C1/10 ,  B41M5/00 ,  B41N1/14 ,  C09D11/00 ,  C09D11/322 ,  C09D11/328 ,  C09D11/36

CPC分类号： C09D11/36 ,  B41C1/1066 ,  B41M1/06

摘要： A method of lithographic printing comprising forming an image based on signals of image data directly on a printing plate precursor mounted on a plate cylinder of a printing press, thereby preparing a printing plate, and conducting lithographic printing, wherein the formation of image on the printing plate precursor is carried out by an ink jet recording method in which oil-based ink is ejected utilizing an electrostatic field. According to the method of the present invention, a large number of prints having clear images can be obtained. Further, a printing plate is directly formed corresponding to digital image data in a printing press, and lithographic printing is performed at a low cost and a high speed.

摘要翻译： 一种平版印刷方法，包括基于图像数据的信号直接在安装在印刷机的印版滚筒上的印版原版上形成图像，从而制备印版，并进行平版印刷，其中在印刷上形成图像 通过使用静电场喷射油性墨的喷墨记录方法进行印版前体。 根据本发明的方法，可以获得大量具有清晰图像的打印。 此外，在印刷机中对应于数字图像数据直接形成印版，并且以低成本和高速执行平版印刷。

公开(公告)号：US5882828A

公开(公告)日：1999-03-16

申请号：US816654

申请日：1997-03-13

申请人： Eiichi Kato ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Yusuke Nakazawa

IPC分类号： G03G13/16 ,  G03G13/28 ,  G03G13/10

CPC分类号： G03G13/283 ,  G03G13/16

摘要： A method for preparation of a printing plate by an electrophotographic process comprising, in order, a) forming a toner image on an electrophotographic light-sensitive element having a release surface by an electrophotographic process using a liquid developer comprising a dispersion medium having dispersed therein toner grains each containing at least one resin (A) having a glass transition point of from 20.degree. C. to 80.degree. C. or a softening point of from 35.degree. C. to 100.degree. C. and at least one resin (B) having a glass transition point or a softening point at least 2.degree. C. lower than that of the resin (A), b) drying the toner image to remove the dispersion medium thereby causing at least partial adhesion between the toner grains, c) bringing the toner image into contact with an intermediate transfer medium having a surface adhesion force of not less than 3 gram.multidot.force at temperature (T.sub.1) and not more than 40 gram.multidot.force at temperature (T.sub.2), at the temperature (T.sub.1) to transfer the toner image onto the intermediate transfer medium, and d) bringing the toner image into contact with a final receiving material having a surface capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing at the temperature (T.sub.2) higher than the temperature (T.sub.1 to transfer the toner image onto the final receiving material. According to the method of the present invention, the toner image formed from a liquid developer is transferred with good efficiency onto the final receiving material through the intermediate transfer medium, and the printing plate obtained provides a large number of prints having highly accurate images free from background stain. An apparatus suitable for conducting the method is also disclosed.

摘要翻译： 一种通过电子照相方法制备印版的方法，其包括以下步骤：a）通过电子照相方法在具有剥离表面的电子照相感光元件上形成调色剂图像，所述液体显影剂包括分散介质，分散介质中分散有调色剂 每个含有至少一种玻璃化转变点为20℃至80℃或软化点为35℃至100℃的树脂（A）的颗粒和至少一种树脂（B），其具有 玻璃化转变点或软化点比树脂（A）低至少2℃，b）干燥调色剂图像以除去分散介质，从而导致调色剂颗粒之间的至少部分粘合，c）使 调色剂图像在温度（T1）下具有不小于3克力的表面粘附力和在温度（T2）下不超过40克力的中间转印介质在温度（T1）下接触以转印调色剂 图像到中间转印介质上，以及d）使得调色剂图像与最终的接收材料接触，该最终接收材料具有能够在高于温度（T2）的温度（T2）下印刷时适于平版印刷的亲水表面的表面， T1将调色剂图像转印到最终的接收材料上。 根据本发明的方法，由液体显影剂形成的调色剂图像通过中间转印介质以良好的效率转印到最终的接受材料上，并且所获得的印刷版提供大量的具有高精度图像的印刷品 背景污点。 还公开了适用于进行该方法的装置。

公开(公告)号：US06470799B2

公开(公告)日：2002-10-29

申请号：US09818529

申请日：2001-03-28

申请人： Yusuke Nakazawa ,  Hideyuki Koguchi ,  Kazuo Ishii ,  Eiichi Kato

发明人： Yusuke Nakazawa ,  Hideyuki Koguchi ,  Kazuo Ishii ,  Eiichi Kato

IPC分类号： B41C110

CPC分类号： B41J2/06 ,  B41C1/1066 ,  B41J2002/012 ,  B41J2002/061

摘要： A method of computer-to-cylinder lithographic printing, comprising: loading a plate material on a rotative plate cylinder of a lithographic printing apparatus; rotating the plate cylinder having loaded thereon the plate material; forming an image directly onto the plate material by an inkjet image-recording process which comprises ejecting an oil-based ink from a recording head having a plurality of ejecting channels, based on image data signals, utilizing an electrostatic field, to prepare a printing plate; subsequently performing lithographic printing with the thus prepared printing plate, wherein the recording head is driven so that every n'th channel thereof is actuated in a common phase, and wherein the plate cylinder is rotated to give a surface rotational speed V (mm/sec) of the plate material as represented by the following formula: V=25.4×(f×n)/N wherein N represents a recording resolution (dots/25.4 mm) along a rotative direction of the plate cylinder on the plate material, and f represents a driving frequency f (Hz) of each ejecting channel of the recording head.

摘要翻译： 一种计算机对滚筒平版印刷的方法，包括：将平板印刷材料装载在平版印刷装置的旋转印版滚筒上; 旋转其上装有板材的印版滚筒; 通过喷墨图像记录方法将图像直接形成在板材上，其包括基于图像数据信号，利用静电场从具有多个喷射通道的记录头喷射油性油墨，以制备印刷板 ; 随后用如此制备的印版执行平版印刷，其中记录头被驱动，使得其第n个通道在公共相中被致动，并且其中印版滚筒旋转以提供表面旋转速度V（mm / sec ）如下式所示：其中N表示沿着板材上的印版滚筒的旋转方向的记录分辨率（点/ 25.4mm），f表示每个喷射的印刷滚筒的驱动频率f（Hz） 通道的记录头。

公开(公告)号：US06412937B1

公开(公告)日：2002-07-02

申请号：US09427528

申请日：1999-10-26

申请人： Eiichi Kato ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Yusuke Nakazawa

IPC分类号： B41J217

CPC分类号： C09D11/36

摘要： An ink composition for an electrostatic ink jet composed of a nonaqueous solvent having an electrical resistance of not lower than 109 &OHgr;·cm and a dielectric constant of not more than 3.5; a solid particulate material having an average particle diameter of from 0.1 to 3 &mgr;m dispersed in a nonaqueous solvent; and at least one fluorine-based surface active agent which is soluble in the nonaqueous solvent. The surface active agent is present in an amount from about 0.05 to 5% by weight based on the weight of the ink composition.

摘要翻译： 一种静电喷墨用油墨组合物，其特征在于，由电阻不低于10欧姆·厘米，介电常数不大于3.5的非水溶剂构成; 分散在非水溶剂中的平均粒径为0.1〜3μm的固体颗粒材料; 和至少一种可溶于非水溶剂的氟基表面活性剂。 基于油墨组合物的重量，表面活性剂的存在量为约0.05至5重量％。

公开(公告)号：US6045956A

公开(公告)日：2000-04-04

申请号：US365412

申请日：1999-08-02

申请人： Eiichi Kato ,  Yusuke Nakazawa

发明人： Eiichi Kato ,  Yusuke Nakazawa

IPC分类号： G03G8/00 ,  G03G13/01

CPC分类号： G03G8/00 ,  G03G13/01

摘要： A method of forming a color image comprising forming at least one color toner image on an electrophotographic light-sensitive element whose surface has releasability by an electrophotographic process, forming a peelable transfer layer on the electrophotographic light-sensitive element bearing the toner image by an electrodeposition coating method using thermoplastic resin grains each containing a resin (AH) having a glass transition point of from 10.degree. C. to 140.degree. C. or a softening point of from 35.degree. C. to 180.degree. C. and a resin (AL) having a glass transition point of not more than 45.degree. C. or a softening point of not more than 60.degree. C. and its glass transition point or softening point is at least 2.degree. C. lower than that of the resin (AH), transferring the toner image together with the transfer layer onto a primary receptor, and then transferring the toner image together with the transfer layer from the primary receptor onto a receiving material.The method can provide color images of high accuracy and high quality without color shear in a simple and stable manner irrespect of the kind of receiving material. The color duplicate obtained has good retouching and sealing properties and is excellent in storage stability.

摘要翻译： 一种形成彩色图像的方法，包括在电子照相感光元件上形成至少一种彩色调色剂图像，所述电子照相感光元件的表面具有通过电子照相方法的剥离性，在通过电沉积承载调色剂图像的电子照相感光元件上形成可剥离的转印层 使用具有玻璃化转变温度为10℃〜140℃，软化点为35〜180℃的树脂（AH）的热塑性树脂粒子和树脂（AL）的涂布方法， 玻璃化转变点不超过45℃或软化点不超过60℃，其玻璃化转变点或软化点比树脂（AH）低至少2℃， 将调色剂图像与转印层一起转印到主接收器上，然后将调色剂图像与转印层一起从初级接收器转印到接收材料上。 该方法可以以简单且稳定的方式提供高精度和高质量的彩色图像，而无需接收材料的种类。 获得的颜色副本具有良好的修饰和密封性能，并且储存稳定性优异。