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：US06532870B1

公开(公告)日：2003-03-18

申请号：US08906815

申请日：1997-08-06

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

发明人： Eiichi Kato ,  Sadao Osawa ,  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 an image is formed according to a hot melt type ink-jet system by heat-melting an ink composition that is solid at ordinary temperature, spraying droplets of the ink composition in a hot melt state from nozzles onto an intermediate transferrer to form an image, and contact-transferring the image on the intermediate transferrer to an image receiving layer of a planographic printing plate precursor, the image receiving layer being provided on a water-resistive support and containing zinc oxide and a binder resin, and thereafter, a nonimage area of the image receiving layer is desensitized by chemical reaction treatment to prepare a planographic printing plate.

摘要翻译： 一种制备喷墨系统印版的方法，其中根据热熔型喷墨系统通过将常温下为固体的油墨组合物进行加热熔融形成图像，将油墨组合物的液滴喷射在热 从喷嘴到中间转印器的熔融状态以形成图像，并且将中间转印器上的图像接触转印到平版印刷版原版的图像接收层上，图像接收层设置在耐水性支持体上并含有锌 氧化物和粘合剂树脂，然后通过化学反应处理使图像接收层的非图像区域脱敏以制备平版印刷版。

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：US06197847B1

公开(公告)日：2001-03-06

申请号：US09009131

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： G09D1102

CPC分类号： G03G13/286 ,  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 non aqueous 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 dropwise from a nozzle to form an image, wherein said resin particles dispersed are copolymer resin particles obtained by polymerization granulation of a solution comprising (i) and (ii): (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 in the nonaqueous solvent by polymerization; (ii) at least one resin for dispersion stabilization (P) which is soluble in the nonaqueous solvent and is a polymer comprising a repeating unit, wherein a part of the polymer is crosslinked and a polymerizable double bond group which is copolymerizable with the monomer (A) is combined with only one end of at least one main chain of the polymer, and a method for preparing a printing plate by an ink jet process using the ink.

摘要翻译： 一种喷墨法用于印版的油性油墨，其特征在于，喷涂至少含有分散在电阻为10 9Ω·cm以上，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 在具有可喷墨亲水性表面的防水支撑体上从喷嘴滴落形成图像，其中所述分散的树脂颗粒是通过将包含（i）和（ii）的溶液聚合制粒得到的共聚物树脂颗粒：（i） 至少一种可溶于非水溶剂的单官能单体（A），该非水溶剂与非水载体液体至少可混溶，并通过聚合变得不溶于非水溶剂; （ii）至少一种用于分散稳定化的树脂（P），其可溶于非水溶剂，并且是包含重复单元的聚合物，其中一部分交联，和可与单体共聚的可聚合双键基团 A）仅与聚合物的至少一个主链的一端结合，以及通过使用该油墨的喷墨方法制备印刷版的方法。

公开(公告)号：US6143806A

公开(公告)日：2000-11-07

申请号：US8544

申请日：1998-01-16

申请人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

发明人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

IPC分类号： C09D11/00 ,  C09D11/10 ,  C09D11/02 ,  C03G13/28

CPC分类号： C09D11/106 ,  C09D11/36

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 10.sup.9 .OMEGA.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 at least miscible with the nonaqueous carrier liquid and becomes insoluble therein by polymerization; (ii) (ii-a) at least one monomer (B) represented having a specific substituent copolymerizable with the monomer (A), or (ii-b) at least one specific monofunctional macromonomer (MA) having a weight average molecular weight of 2.times.10.sup.4 or less; and (iii) at least one dispersion-stabilizing resin soluble in the nonaqueous solvent and having no graft group polymerizing with a monomer, 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，介电常数为3.5以下的非水载体液中的树脂颗粒的油性油墨 在具有由喷嘴形成的可平版印刷的亲水性表面的耐水支撑体上形成图像，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），其可溶于至少与非水性载体液体混溶并且通过聚合而不溶于其中的非水溶剂; （ii）（ii-a）表示具有可与单体（A）共聚的特定取代基的至少一种单体（B），或（ii-b）至少一种具有重均分子量的特定单官能大分子单体 2x104以下; 和（iii）至少一种可溶于非水溶剂且不与单体聚合的接枝基团的分散体稳定树脂，以及使用该油墨通过喷墨方法制备印版的方法。

公开(公告)号：US06140389A

公开(公告)日：2000-10-31

申请号：US9506

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： C09D11/00 ,  G03G13/26 ,  G03G13/28 ,  C09D11/02 ,  C09D11/10

CPC分类号： C09D11/36 ,  G03G13/26 ,  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 10.sup.9 .OMEGA.cm or more and a dielectric constant of 3.5 or less on an image receiving layer of a lithographic printing plate precursor dropwise from a nozzle to form an image, and then desensitizing a non-image area of the image receiving layer by a chemical reaction to prepare a lithographic printing plate, the image receiving layer being formed on a water-resistant support and comprising zinc oxide and a binding resin; and a surface of the image receiving layer having a contact angle with water of 50.degree. or more, wherein the resin particles dispersed are copolymer resin particles obtained by polymerization granulation of a solution comprising (i) and (ii): (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 in the nonaqueous solvent by polymerization; (ii) at least one resin for dispersion stabilization (P) whcih is soluble in the nonaqueous solvent and is a polymer comprising a repeating unit, wherein a part of the polymer is crosslinked and a polymerizable double bond group which is copolymerizable with the monomer (A) is combined with only one end of at least one main chain of the polymer, 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，介电常数为3.5以下的非水载体液中的树脂颗粒的油性油墨 在平版印刷版前体的图像接收层上从喷嘴滴落形成图像，然后通过化学反应对图像接收层的非图像区域进行脱敏以制备平版印刷版，形成图像接收层 在防水载体上并包含氧化锌和粘合树脂; 和图像接收层的与水接触角为50°以上的表面，其中分散的树脂颗粒是通过将包含（i）和（ii）的溶液聚合造粒得到的共聚物树脂颗粒：（i）至少 一种单官能单体（A），其可溶于非水溶剂中，该非水溶剂与非水性载体液体至少可混溶，并通过聚合而变得不溶于非水溶剂; （ii）至少一种用于分散稳定化的树脂（P）可溶于非水溶剂，并且是包含重复单元的聚合物，其中一部分聚合物交联并且可与单体共聚的可聚合双键基团 A）仅与聚合物的至少一个主链的一端结合，以及通过使用该油墨的喷墨方法制备印刷版的方法。

公开(公告)号：US6120655A

公开(公告)日：2000-09-19

申请号：US9542

申请日：1998-01-20

申请人： Kazuo Ishii ,  Sadao Osawa ,  Eiichi Kato

发明人： Kazuo Ishii ,  Sadao Osawa ,  Eiichi Kato

IPC分类号： B41C1/10 ,  B41M5/00 ,  B41N1/14 ,  C09D11/00 ,  D21H19/20 ,  H05F3/00

CPC分类号： C09D11/36 ,  B41C1/1066

摘要： A process for producing a lithographic printing plate for platemaking by the ink-jet system comprising forming images by jetting oily ink toward an image receiving layer formed on a water-resistant support with the aid of the electrostatic field, wherein the water-resistant support is a paper support both sides of which are covered with a resin. The process of the present invention can yield a large number of printed sheets with sharp images.

摘要翻译： 一种用于通过喷墨系统制造用于制版的平版印刷版的方法，包括通过在静电场的帮助下将油性墨水喷射到形成在耐水支撑体上的图像接收层来形成图像，其中防水支撑是 一个纸张支架，两面都用树脂覆盖。 本发明的方法可以产生大量具有清晰图像的打印片材。

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：US06136889A

公开(公告)日：2000-10-24

申请号：US15781

申请日：1998-01-29

申请人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

发明人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

IPC分类号： B41C1/10 ,  C09D11/00 ,  G03G13/26 ,  G03G13/28 ,  C09D11/02 ,  C09D11/10

CPC分类号： C09D11/36 ,  B41C1/1066 ,  G03G13/26 ,  G03G13/28 ,  G03G13/286

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 on an image receiving layer of a lithographic printing plate precursor dropwise from a nozzle to form an image, and then desensitizing a non-image area of the image receiving layer by a chemical reaction to prepare a lithographic printing plate, the image receiving layer being formed on a water-resistant support and comprising zinc oxide and a binding resin, 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) represented which is copolymerizable with the monomer (A), or (ii-b) at least one monofunctional macromonomer (MA) obtained by combining a polymerizable double bond group 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, wherein the polymer is crosslinked at a part of its main chain thereof, and the resin (P) is soluble in the nonaqueous solvent.

摘要翻译： 一种喷墨方法用于印版的油性油墨，其特征在于，将从至少包含分散在非水性载体液中的树脂颗粒的油性油墨喷射到平版印刷版前体的图像接收层上， 图像，然后通过化学反应使图像接收层的非图像区域脱敏以制备平版印刷版，图像接收层形成在耐水支撑体上并且包含氧化锌和粘合树脂，其中树脂 分散的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）至少一种可溶于非水溶剂的单官能单体（A），所述非水溶剂至少与 非水性载体液体，通过聚合而变得不溶; （ii）（ii-a）表示可与单体（A）共聚的至少一种单体（B），或（ii-b）至少一种通过仅将可聚合双键基团组合而获得的单官能大分子单体（MA） 包含对应于单体的重复单元的聚合物主链的一端; 和（iii）至少一种用于分散稳定化的树脂（P），其是包含重复单元的聚合物，其中聚合物在其主链的一部分交联，并且树脂（P）可溶于非水溶剂。

公开(公告)号：US6080449A

公开(公告)日：2000-06-27

申请号：US14160

申请日：1998-01-27

申请人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

发明人： Eiichi Kato ,  Sadao Osawa ,  Kazuo Ishii

IPC分类号： B41C1/10 ,  B05D1/04

CPC分类号： B41C1/1066

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 10.sup.9 .OMEGA.cm or more and a dielectric constant of 3.5 or less on an image receiving layer of a lithographic printing plate precursor dropwise from a nozzle to form an image, and then desensitizing a non-image area of the image receiving layer by a chemical reaction to prepare a lithographic printing plate, the image receiving layer being formed on a water-resistant support and comprising zinc oxide and a binding resin; and a surface of the image receiving layer having a contact angle with water of 50.degree. or more, 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 which is copolymerizable with the monomer (A), or (ii-b) at least one monofunctional macromonomer (MA) having a weight average molecular weight of 2.times.10.sup.4 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 dispersion-stabilizing resin which is soluble in the nonaqueous solvent and has no graft group polymerizing with a monomer.

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，介电常数为3.5以下的非水载体液中的树脂颗粒的油性油墨 在平版印刷版前体的图像接收层上从喷嘴滴落形成图像，然后通过化学反应对图像接收层的非图像区域进行脱敏以制备平版印刷版，形成图像接收层 在防水载体上并包含氧化锌和粘合树脂; 和图像接收层的与水的接触角为50°以上的表面，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）共聚的单体或（ii-b）至少一种重均分子量为2×10 4或更小的单官能大分子单体（MA），其中可聚合的 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）至少一种可溶于非水溶剂且不与单体聚合的接枝基团的分散体稳定树脂。