公开(公告)号：US5230989A

公开(公告)日：1993-07-27

申请号：US651628

申请日：1991-02-06

申请人： Yoshihiko Urabe ,  Susumu Yoshida ,  Nobuyuki Kita

发明人： Yoshihiko Urabe ,  Susumu Yoshida ,  Nobuyuki Kita

IPC分类号： G03F7/00 ,  G03F7/32

CPC分类号： G03F7/32

摘要： A developer for a presensitized plate for use in making a lithographic printing plate requiring no dampening water comprises: (1) 1 to 39% by weight of at least one alcohol derivative selected from the group consisting of those represented by the following general formula (I): ##STR1## (wherein R.sup.1 represents an alkyl or alkenyl group having 4 to 12 carbon atoms; R.sup.2 represents a hydrogen atom or a methyl group; and n is an integer ranging from 1 to 6); (2) 1 to 39% by weight of at least one water-soluble organic solvent having a boiling point of not less than 100.degree. C.; and (3) 60 to 98% by weight of water. If this developer is used, foaming is hardly caused during the development processing a PS plate requiring no dampening water, it has excellent developing ability and half tone dot reproduction and can provide an excellent lithographic printing plate free of defects such as scratch marks.

摘要翻译： 用于制造不需要润版水的平版印刷版的预敏板的显影剂包括：（1）1至39重量％的至少一种醇衍生物，其选自由以下通式（I ）：其中，R 1表示碳原子数4〜12的烷基或烯基，R 2表示氢原子或甲基，n表示1〜6的整数）。 （2）1〜39重量％的至少一种沸点不低于100℃的水溶性有机溶剂。 和（3）60至98重量％的水。 如果使用这种显影剂，则在显影处理中几乎不产生发泡，不需要润版水的PS板，它具有优异的显影能力和半色调点再现性，并且可以提供没有诸如划痕的缺陷的优异的平版印刷版。

公开(公告)号：US5126228A

公开(公告)日：1992-06-30

申请号：US558520

申请日：1990-07-27

申请人： Tatsuji Higashi ,  Yoshihiko Urabe ,  Kei Okuno ,  Nobuyuki Kita

发明人： Tatsuji Higashi ,  Yoshihiko Urabe ,  Kei Okuno ,  Nobuyuki Kita

IPC分类号： G03F7/00 ,  G03F7/075

CPC分类号： G03F7/0752

摘要： The present invention relates to a presensitized plate for use in making a lithographic plate requiring no dampening water and comprising, on a support, a light-sensitive resin layer and a silicone rubber layer, in this order, wherein the silicone rubber layer is crosslinked by addition reaction of an .fwdarw.SiH group with a --CH.dbd.CH-- group and wherein the light-sensitive resin layer comprises: (1) a monomer or oligomer having at least one photopolymerizable or photo-crosslinkable and olefinically unsaturated double bond, (2) an organic solvent-soluble polyurethane resin having a glass transition temperature of 20.degree. C. or below and being capable of forming a film, and (3) a photopolymerization initiator. According to the present invention, the PS plate has excellent image-forming properties and printing properties.

摘要翻译： 本发明涉及一种用于制造不需要润版水的平版印刷板的预感板，其特征在于，在支撑体上依次包含感光树脂层和硅橡胶层，其中硅橡胶层由 - > SiH基团与-CH = CH-基团的加成反应，其中感光树脂层包含：（1）具有至少一个可光聚合或光可交联和烯属不饱和双键的单体或低聚物，（2 ）玻璃化转变温度为20℃以下且能够形成膜的有机溶剂可溶性聚氨酯树脂，（3）光聚合引发剂。 根据本发明，PS板具有优异的成像性能和印刷性能。

公开(公告)号：US4874686A

公开(公告)日：1989-10-17

申请号：US322511

申请日：1989-03-13

申请人： Yoshihiko Urabe ,  Tatsuji Higashi ,  Hiroshi Takahashi ,  Nobuyuki Kita

发明人： Yoshihiko Urabe ,  Tatsuji Higashi ,  Hiroshi Takahashi ,  Nobuyuki Kita

IPC分类号： G03F7/00 ,  G03F7/038 ,  G03F7/075

CPC分类号： G03F7/0752 ,  G03F7/038 ,  G03F7/0388

摘要： The present invention relates to a photosensitive lithographic plate necessitating no damping water, which plate has an excellent image reproducibility and stability in the lapse of time. The plate comprises, on a support, a photosensitive layer and a silicone rubber layer in this order, the silicone rubber layer being formed by addition reaction of an SiH group with a --CH.dbd.CH- group to cause crosslinking, and the photosensitive layer comprising:(1) a polymer comprising at least a structural formula (I): ##STR1## wherein R represents a hydrogen atom or a methyl group; R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylamino group, an arylamino group, an alkylsulfonyl group and an arylsulfo group; and Z represents an oxygen atom, a sulfur atom, --NH-, --NR.sub.6 (R.sub.6 represents an alkyl group), --OCH.sub.2 CH.sub.2 O- or --OCH.sub.2 CH(OH)-, and(2) a photopolymerization initiator.

公开(公告)号：US5580704A

公开(公告)日：1996-12-03

申请号：US502849

申请日：1995-07-14

申请人： Susumu Yoshida ,  Tsuneo Kusaka ,  Yoshihiko Urabe

发明人： Susumu Yoshida ,  Tsuneo Kusaka ,  Yoshihiko Urabe

IPC分类号： G03F7/00 ,  B01F17/54 ,  C09B67/34 ,  G03F7/40 ,  G03C5/00

CPC分类号： G03F7/40 ,  B01F17/0071 ,  C09B67/0076

摘要： The present invention provides a dye solution for a photosensitive lithographic printing plate requiring no fountain solution comprising a photosensitive layer and a silicone rubber layer provided in this order on a support, which comprises at least one basic dye, at least one organic solvent having a water solubility of less than 10% at 20.degree. C., at least one hydrotrope agent, and at least one anionic surface active agent represented by the following general formula (I):R.sup.1 O--(CH.sub.2 CH.sub.2 O).sub.n --SO.sub.3 M.sup.1 (I)whereinR.sup.1 represents an alkyl, aryl, aralkyl, alkenyl or alkynyl group;M.sup.1 represents an alkaline metal, NH.sub.4, NH(C.sub.2 H.sub.4 OH).sub.3, NH.sub.2 (C.sub.2 H.sub.4 OH).sub.2 or NH.sub.3 (C.sub.2 H.sub.4 OH); andn represents an integer 1 to 100.

摘要翻译： 本发明提供了一种不需要润版液的感光性平版印刷版染料溶液，其中包含依次设置在载体上的感光层和硅橡胶层，该载体包含至少一种碱性染料，至少一种具有水的有机溶剂 在20℃下的溶解度小于10％，至少一种助溶剂和由以下通式（I）表示的至少一种阴离子表面活性剂：R1O-（CH2CH2O）n-SO3M1（I）其中R1表示 烷基，芳基，芳烷基，烯基或炔基; M1表示碱金属，NH4，NH（C2H4OH）3，NH2（C2H4OH）2或NH3（C2H4OH）; n表示1〜100的整数。

公开(公告)号：US5061598A

公开(公告)日：1991-10-29

申请号：US599479

申请日：1990-10-18

申请人： Yukio Abe ,  Yoshihiko Urabe

发明人： Yukio Abe ,  Yoshihiko Urabe

IPC分类号： G03F7/00 ,  G03F7/075 ,  G03F7/11

CPC分类号： G03F7/0752

摘要： A dry PS plate comprises a substrate provided thereon with in order a primer layer, a light-sensitive layer and a silicone rubber layer wherein the primer layer comprises at least one compound selected from the group consisting of those having urethane or/and urea bonds and is adhered to the substrate with a functional group containing silane coupling agent represented by the following general formula: ##STR1## wherein n is an integer ranging from 1 to 3; X represents an alkyl group, a vinyl group or an organic group having a functional group showing affinity to or capable of being bonded to the compound included in the primer layer; R represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms; and Y represents an organic group which generates a hydroxyl group through hydrolysis or a hydroxyl group. In the dry PS plate, the adhesion strength between the substrate and the light-sensitive layer is substantially improved, the adhesion is surely maintained even after imagewise exposure to light and the subsequent development. The dry PS plate shows excellent image reproduction and the resulting dry lithographic plate is excellent in printing durability as well as resistance to scratch.

摘要翻译： 干PS板包括其上提供有底漆层，感光层和硅橡胶层的基材，其中底漆层包含至少一种选自具有氨基甲酸酯或/和脲键的那些化合物和 用含有以下通式表示的硅烷偶联剂的官能团粘合到基材上：其中n是1至3的整数; X表示与底漆层中包含的化合物显示亲和力或能够结合的官能团的烷基，乙烯基或有机基团; R表示氢原子或碳原子数1〜5的烷基。 Y表示通过水解或羟基生成羟基的有机基团。 在干燥的PS板中，基板和感光层之间的粘合强度大大提高，即使在成像曝光和随后的显影之后，也可以确保粘附力。 干燥的PS板显示出优异的图像再现性，所得到的干版印刷版印刷耐久性以及耐擦伤性优异。

公开(公告)号：US5221594A

公开(公告)日：1993-06-22

申请号：US853333

申请日：1992-03-16

申请人： Hiroshi Takahashi ,  Yoshihiko Urabe ,  Yukio Abe ,  Tsumoru Hirano

发明人： Hiroshi Takahashi ,  Yoshihiko Urabe ,  Yukio Abe ,  Tsumoru Hirano

IPC分类号： G03F7/075

CPC分类号： G03F7/0752 ,  Y10S430/107

摘要： A water-less PS plate for use in making a water-less lithographic printing plate comprises, on a substrate, a photopolymerizable light-sensitive layer and a silicone rubber layer in this order, wherein the light-sensitive layer is formed from a photopolymerizable light-sensitive composition which contains an urea bond-containing polyurethane as a binder. According to the present invention, there is obtained a water-less PS plate having good resistance to scratch and high printing durability. Moreover, the resulting light-sensitive layer does not get sticky, the light-sensitive layer of the non-image portions is not peeled off during the printing operations, and the lithographic plate shows good dyeability and plate-examination property.

摘要翻译： 用于制造无水平版印刷版的无水PS板在该基板上依次包括可光聚合感光层和硅橡胶层，其中感光层由光聚合光形成 其含有含脲键的聚氨酯作为粘合剂。 根据本发明，得到耐刮擦性好，耐印刷性高的无水PS板。 此外，所得到的感光层不会变粘，因此在印刷操作期间非图像部分的感光层不会被剥离，并且平版印刷版显示出良好的可染性和印版检查性。

公开(公告)号：US5159879A

公开(公告)日：1992-11-03

申请号：US782972

申请日：1991-10-23

申请人： Yoshihiko Urabe ,  Toshio Ohba

发明人： Yoshihiko Urabe ,  Toshio Ohba

IPC分类号： B41N3/08 ,  G03F7/00 ,  G03F7/40

CPC分类号： B41N3/08 ,  B41C2210/16

摘要： A process of correcting a dry lithographic printing plate which comprises applying to an unwanted area of an ink-accepting area in the dry lithographic printing plate consisting of ink-repellent areas comprising a silicone rubber layer and ink-accepting area, a correcting solution comprising the following components:______________________________________ amount (parts by weight) ______________________________________ (a) Linear organopolysiloxane having three 100 alkoxy groups at both terminal ends (b) Titanium based condensation catalyst 0.1 to 5 (c) Organic solvent. 100 to 5,000 ______________________________________ The plate surface retouching solution provides a coating which has a good adhesion to a light-sensitive layer and a good resistance to printing.

摘要翻译： 一种校正干版印刷版的方法，该方法包括将由包含硅橡胶层和吸墨区域的防墨水区域组成的干版印刷版中的受墨区域的不需要区域应用， 以下组分： - 重量 - （重量份） - （a）在两个末端具有三个100个 - 烷氧基的线性有机聚硅氧烷 - （b）钛基缩合催化剂0.1至5 - （c）有机溶剂。 100至5,000 - 板表面润饰溶液提供了对感光层具有良好粘附性和良好的耐印刷性能的涂层。

公开(公告)号：US5208126A

公开(公告)日：1993-05-04

申请号：US701721

申请日：1991-05-17

申请人： Hiromichi Tachikawa ,  Hiroaki Yokoya ,  Yoshihiko Urabe

发明人： Hiromichi Tachikawa ,  Hiroaki Yokoya ,  Yoshihiko Urabe

IPC分类号： G03G5/02 ,  G03G13/28

CPC分类号： G03G13/28 ,  G03G5/02

摘要： A novel electrophotographic printing plate precursor and a novel photosensitive lithographic printing plate precursor are disclosed, in which a specific layer is formed on the end face thereof.

摘要翻译： 公开了一种新型的电子照相印刷版前体和新颖的光敏平版印刷版原版，其中在其端面上形成特定的层。