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：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：US5624777A

公开(公告)日：1997-04-29

申请号：US256558

申请日：1994-09-12

申请人： Eiichi Kato ,  Hiroshi Tashiro ,  Akio Oda ,  Kazuo Ishii

发明人： Eiichi Kato ,  Hiroshi Tashiro ,  Akio Oda ,  Kazuo Ishii

IPC分类号： G03G5/05

CPC分类号： G03G5/0546 ,  G03G5/0589 ,  G03G5/0592

摘要： An electrophotographic lithographic printing plate precursor having a photoconductive layer containing a resin which contains a functional group capable of forming --COOH group and a functional group capable of forming at least one group selected from --SO.sub.3 H group, --SO.sub.2 H group and --PO.sub.3 H group and which has a crosslinking structure.Owing to the specific polar group in the resin, a lithographic printing plate which is free from the occurrence of background stain and has excellent oil-desensitivity and high printing durability is provided.

摘要翻译： PCT No.PCT / JP93 / 00023 Sec。 371日期1994年9月12日 102（e）1994年9月12日PCT PCT 1993年1月11日PCT公布。 公开号WO93 / 14447 日本1993年7月22日具有含有含有能够形成-COOH基的官能团的树脂的光电导层和能够形成选自-SO 3 H基，-SO 2 H基中的至少一个基团的官能团的电子照相平版印刷版原版， -PO 3 H基团，其具有交联结构。 由于树脂中的特定的极性基团，提供了没有背景污点的发生并且具有优异的油分离性和高的印刷耐久性的平版印刷版。

公开(公告)号：US5498503A

公开(公告)日：1996-03-12

申请号：US119220

申请日：1993-09-28

申请人： Eiichi Kato ,  Kazuo Ishii

发明人： Eiichi Kato ,  Kazuo Ishii

IPC分类号： C08F293/00 ,  C08F297/02 ,  C08L53/00 ,  G03G5/05

CPC分类号： G03G5/0592 ,  C08F293/00 ,  C08F297/026 ,  C08L53/00 ,  G03G5/0589

摘要： An electrophotographic light-sensitive material which has improved electrostatic characteristics and image forming performance and is excellent particularly in reproducibility of highly accurate image using a liquid developer and image forming performance upon a scanning exposure system using a laser beam of a low power.The electrophotographic light-sensitive material contains, as a binder resin, at least one resin (A) which has a weight average molecular weight of from 1.times.10.sup.3 to 2.times.10.sup.4 and contains not less than 30% by weight of a polymer component of the formula (I) and from 0.5 to 15% by weight of a specified polar group-containing polymer component and at least one resin (B) which is an AB block copolymer having a weight average molecular weight of from 3.times.10.sup.4 to 1.times.10.sup.6 and comprising an A block containing a specified polar group-containing polymer component and a B block containing a polymer component of the formula (I). ##STR1## wherein a.sup.1 and a.sup.2 : hydrogen, halogen, a cyano group, a hydrocarbon group, --COOR.sup.4 or --COOR.sup.4 bonded via a hydrocarbon group (R.sup.4 : hydrocarbon group), and R.sup.3 : a hydrocarbon group.

摘要翻译： 具有改进的静电特性和成像性能的电子照相感光材料，特别是使用液体显影剂的高精度图像的再现性和使用低功率的激光的扫描曝光系统的图像形成性能优异的电子照相感光材料。 电子照相感光材料含有作为粘合剂树脂的至少一种重均分子量为1×10 3至2×10 4的至少一种树脂（A），并且含有不少于30重量％的式（I ）和0.5〜15重量％的特定的含极性基团的聚合物组分和至少一种树脂（B），其是重均分子量为3×10 4至1​​×10 6的AB嵌段共聚物，并且包含含有 指定的含极性基团的聚合物组分和含有式（I）的聚合物组分的B嵌段。 式（I）通过烃基（R4：烃基）键合的氰基，烃基，-COOR4或-COOR4，R3：烃基。

公开(公告)号：US5459005A

公开(公告)日：1995-10-17

申请号：US193071

申请日：1994-02-03

申请人： Eiichi Kato ,  Kazuo Ishii

发明人： Eiichi Kato ,  Kazuo Ishii

IPC分类号： G03G5/05 ,  G03G5/087

CPC分类号： G03G5/0592 ,  G03G5/0546

摘要： An electrophotographic light-sensitive material which is excellent in image reproducibility, moisture resistance and anti-abrasion property, provides clear images of good quality and is particularly useful in a scanning exposure system using a semiconductor laser beam is provided.The electrophotographic light-sensitive material contains, as a binder resin, a resin (A) which has an acid value of from 5 to 120 and contains a component of the formula (I) shown below and a specified polar group-containing component and a resin (B) which is an AB or ABA block copolymer comprising an A block containing a component of the formula (II) shown below and a B block containing a component derived from a specific macromonomer having a specified polar group.In the formulae (I) and (II) below, a.sup.1 and a.sup.2 each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group, --COOR.sup.4 or --COOR.sup.4 bonded via a hydrocarbon group (R.sup.4 represents a hydrocarbon group); and R.sup.11 and R.sup.12 each represents a hydrocarbon group. ##STR1##

摘要翻译： PCT No.PCT / JP93 / 00748 Sec。 371日期：1994年2月3日 102（e）1994年2月3日PCT PCT 1993年6月3日PCT公布。 公开号WO93 / 24864 日期为1993年12月9日。具有优异的图像再现性，耐湿性和抗磨损性的电子照相感光材料提供了良好质量的清晰图像，并且在使用半导体激光束的扫描曝光系统中特别有用 。 电子照相感光材料包含作为粘合剂树脂的酸值为5〜120的树脂（A），其含有下述式（I）的成分和特定的含极性基团的成分，和 作为AB或ABA嵌段共聚物的树脂（B），其包含含有下述式（II）的组分的A嵌段和含有源自具有特定极性基团的特定大分子单体的组分的B嵌段。 在下式（I）和（II）中，a1和a2各自表示通过烃基键合的氢原子，卤素原子，氰基，烃基，-COOR4或-COOR4（R4表示烃基） ; R 11和R 12各自表示烃基。 公式（I）公式（II）

公开(公告)号：US5229240A

公开(公告)日：1993-07-20

申请号：US701909

申请日：1991-05-17

申请人： Eiichi Kato ,  Seishi Kasai ,  Kazuo Ishii

发明人： Eiichi Kato ,  Seishi Kasai ,  Kazuo Ishii

IPC分类号： C08L33/04 ,  C08L33/06 ,  C08L101/00 ,  G03G5/05 ,  G03G5/087 ,  G03G13/28

CPC分类号： G03G5/0589 ,  G03G5/0592

摘要： An electrophotographic light-sensitive material comprising a support having provided thereon a photoconductive layer containing at least an inorganic photoconductive substance, a spectral sensitizer and a binder resin, wherein the binder resin contains (1) at least one resin (Resin (A)) having a weight average molecular weight of from 1.times.10.sup.3 to 1.times.10.sup.4 which contains at least 30% by weight of a polymer component represented by the general formula (I) described below and from 0.1 to 10% by weight of a polymer component containing at least one acidic group selected from ##STR1## (wherein R represents a hydrocarbon group or --OR' (wherein R' represents a hydrocarbon group) and a cyclic acid anhydride-containing group, and (2) at least one resin (Resin (B)) having a weight average molecular weight of 5.times.10.sup.4 or more, containing a recurring unit represented by the general formula (III) described below as a copolymer component, and having a crosslinked structure made before the preparation of a dispersion for forming the photoconductive layer: ##STR2##

公开(公告)号：US5178983A

公开(公告)日：1993-01-12

申请号：US524956

申请日：1990-05-18

申请人： Eiichi Kato ,  Kazuo Ishii

发明人： Eiichi Kato ,  Kazuo Ishii

IPC分类号： C08F290/00 ,  C08F299/00 ,  G03G5/05 ,  G03G5/08 ,  G03G13/28

CPC分类号： G03G5/0592 ,  G03G5/0589

摘要： An electrophotographic light-sensitive material comprising a support having thereon a photoconductive layer containing at least inorganic phohtoconductive particles and a binder resin, wherein the binder resin contains (A) at least one resin comprising a graft copolymer having a weight average molecular weight of from 1.0.times.10.sup.3 to 2.0.times.10.sup.4 and containing, as copolymer components, at least (i) a monofunctional macromonomer (M) having a weight average molecular weight of not more than 2.times.10.sup.4 and containing at least one polymer component represented by formula (IIa) or (IIb) shown below and at least one polymer component having at least one polar group selected from the group consisting of --COOH, --PO.sub.3 H.sub.2, --SO.sub.3 H, --OH, and ##STR1## wherein R.sub.1 represents a hydrocarbon group or --OR.sub.2 (wherein R.sub.2 represents a hydrocarbon group), with a polymerizable double bond group represented by formula (I) shown below being bonded to one terminal of the main chain thereof, and (ii) a monomer represented by formula (III) shown below, and (B) at least one resin having a weight average molecular weight of not less than 5.times.10.sup.4, containing at least a recurring unit represented by formula (IV) shown below as a polymer component, and having a crosslinked structure ##STR2## wherein X.sub.0 represents --COO--, --OCO--, --CH.sub.2 OCO--, --CH.sub.2 COO--, --O--, --SO.sub.2, --CO--, --CONHCOO--, --CONHCONH--, --CONHSO.sub.2 --, ##STR3## wherein R.sub.11 represents a hydrogen atom or a hydrocarbon group; a.sub.1 and a.sub.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group, --COO--Z.sub.1, or --COO--Z.sub.1 bonded through a hydrocarbon group (wherein Z.sub.1 represents a substituted or unsubstituted hydrocarbon group) ##STR4## wherein X.sub.1 has the same meaning as X.sub.0 ; Q.sub.1 represents an aliphatic group having from 1 to 18 carbon atoms or an aromatic group having from 6 to 12 carbon atoms; b.sub.1 and b.sub.2, which may be the same or different, each has the same meaning as a.sub.1 and a.sub.2 ; V represents --CN, --CONH.sub.2, or ##STR5## wherein Y represents a hydrogen atom, a halogen atom, a hydrocarbon group, an alkoxyl group, or --COOZ.sub.2, wherein Z.sub.2 represents an alkyl group, an aralkyl group, or an aryl group ##STR6## wherein X.sub.2 has the same meaning as X.sub.0 in formula (I); Q.sub.2 has the same meaning as Q.sub.1 in formula (IIa); and c.sub.1 and c.sub.1, which may be the same or different, have the same meaning as a.sub.1 and a.sub.2 in formula (I) ##STR7## wherein X.sub.3 represents --COO--, --OCO--, --CH.sub.2 OCO--, --CH.sub.2 COO--, --O--, or --SO.sub.2 --; Q.sub.3 represents a hydrocarbon group having from 1 to 22 carbon atoms; and d.sub.1 and d.sub.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group having from 1 to 8 carbon atoms, --COO--Z.sub.3, or --COO--Z.sub.3 bonded through a hydrocarbon group having from 1 to 8 carbon atoms, wherein Z.sub.3 represents a hydrocarbon group having from 1 to 18 carbon atoms.

公开(公告)号：US5112713A

公开(公告)日：1992-05-12

申请号：US527451

申请日：1990-05-23

申请人： Eiichi Kato ,  Kazuo Ishii

发明人： Eiichi Kato ,  Kazuo Ishii

IPC分类号： C08F2/48 ,  C08F290/00 ,  C08F299/00 ,  C08L33/04 ,  C08L33/14 ,  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 thereon a photoconductive layer containing at least inorganic photoconductive particles and a binder resin, wherein the binder resin contains (A) at least one resin comprising a graft copolymer having a weight average molecular weight of from 1.0.times.10.sup.3 to 2.0.times.10.sup.4 and containing, as copolymer components, at least (A-i) a monofunctional macromonomer having a weight average molecular weight of not more than 2.times.10.sup.4.

公开(公告)号：US5104760A

公开(公告)日：1992-04-14

申请号：US550841

申请日：1990-07-10

申请人： Eiichi Kato ,  Kazuo Ishii

发明人： Eiichi Kato ,  Kazuo Ishii

IPC分类号： C08L35/00 ,  C08L43/02 ,  G03G5/05

CPC分类号： G03G5/0592 ,  C08L35/00 ,  C08L43/02 ,  G03G5/0589 ,  Y10S430/111

摘要： An electrophotographic light-sensitive material comprising a support having at least one photoconductive layer containing an inorganic photoconductive substance and a binder resin comprising (A) at least one resin containing not less than 30% by weight of a copolymerizable component corresponding to a repeating unit represented by the general formula (I) and 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 of --OR' (wherein R' represents a hydrocarbon group)) and a cyclic acid anhydride-containing group at one of the terminals of the main chain thereof; ##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 resin containing at least one polyester type macromonomer represented by the following general formula (IIIa), (IIIb), (IIIc), or (IIId): ##STR3## wherein the group in the brackets represents a recurring unit; c.sub.1 and c.sub.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group having from 1 to 8 carbon atoms, --COO--V.sub.1, or --COO--V.sub.2 bonded through a hydrocarbon group having from 1 to 8 carbon atoms (wherein V.sub.1 and V.sub.2 each represents a hydrocarbon group having from 1 to 18 carbon atoms); X.sub.1 represents a direct bond, --COO--, --OCO--, --CH.sub.2).sub.l.sbsb.1 COO--, --CH.sub.2).sub.l.sbsb.2 OCO-- (wherein l.sub.1 and l.sub.2 each represents an integer of from 1 to 3), ##STR4## wherein d.sub.1 represent a hydrogen atom or a hydrocarbon group having from 1 to 12 carbon atoms, --CONHCONH--, --CONHCOO--, --O--, ##STR5## or --SO.sub.2 --; Y.sub.1 represents a group bonding X.sub.1 to --COO--; W.sub.1 and W.sub.2, which may be the same or different, each represents a divalent aliphatic group, a divalent aromatic group (each of the aforesaid groups may have, in the bond of each divalent organic moiety, at least one bonding group selected from --O--, --S--, wherein d.sub.2 represents a hydrogen atom or a hydrocarbon group having from 1 to 12 carbon atoms), --SO.sub.2 --, --COO--, --OCO--, --CONHCO--, --NHCONH--, ##STR6## (wherein d.sub.3 has the same meaning as d.sub.2), ##STR7## (wherein d.sub.4 has the same meaning as d.sub.2), and ##STR8## or an organic moiety composed of a combination of these moieties; R.sub.31 represents a hydrogen atom or a hydrocarbon group; c.sub.3 and c.sub.4 have the same meaning as c.sub.1 and c.sub.2 ; X.sub.2 has the same meaning as X.sub.1 ; Y.sub.2 represents a group bonding X.sub.2 to --COO--; W.sub.3 represents a divalent aliphatic group; R.sub.32 has the same meaning as R.sub.31 ; R.sub.31 ' represents a hydrogen atom, a hydrocarbon group or --COR.sub.33 ' (wherein R.sub.33 ' represents a hydrocarbon group); Y.sub.1, represents a group bonding X.sub.1 to Z.sub.1 ; Z.sub.1 represents --CH.sub.2 --, --O--, or --NH--; Y.sub.2' represents a group bonding X.sub.2 to Z.sub.2 ; Z.sub.2 has the same meaning as Z.sub.1 ; and R.sub.32 ' has the same meaning as R.sub.31 '.