公开(公告)号：US6060217A

公开(公告)日：2000-05-09

申请号：US922190

申请日：1997-09-02

Applicant: My T. Nguyen ,  Nishith Merchant ,  Ken-Ichi Shimazu ,  S. Peter Pappas ,  Robert Hallman ,  Jerome Philip Kesselman ,  Celin Savariar-Hauck ,  Gerhard Hauck ,  Hans-Joachim Timpe ,  Omkar J. Natu ,  Ajay Shah

Inventor： My T. Nguyen ,  Nishith Merchant ,  Ken-Ichi Shimazu ,  S. Peter Pappas ,  Robert Hallman ,  Jerome Philip Kesselman ,  Celin Savariar-Hauck ,  Gerhard Hauck ,  Hans-Joachim Timpe ,  Omkar J. Natu ,  Ajay Shah

IPC: B41C1/10 ,  B41M5/36 ,  G03F7/30

CPC classification number: B41C1/1008 ,  B41M5/368 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/24 ,  B41C2210/262 ,  B41M5/36 ,  Y10S430/107 ,  Y10S430/145

Abstract: A method for directly imaging a lithographic printing surface using infrared radiation without the requirement of pre- or post-UV-light exposure, or heat treatment employs a printing plate which contains a support with a hydrophilic surface overcoated with an imaging layer. The imaging layer contains at least one polymer having bonded pendent groups which are hydroxy, carboxylic acid, tert-butyl-oxycarbonyl, sulfonamide, amide, nitrile, urea, or combinations thereof; as well as an infrared absorbing compound. The imaging layer may contain a second polymer which has bonded pendent groups which are 1,2-napthoquinone diazide, hydroxy, carboxylic acid, sulfonamide, hydroxymethyl amide, alkoxymethyl amide, nitrile, maleimide, urea, or combinations thereof. The imaging layer may also contain a visible absorption dye, a solubility inhibiting agent, or both. In practice, the imaging layer is imagewise exposed to infrared radiation to produce exposed image areas in the imaged layer which have transient solubility in aqueous alkaline developing solution, so that solubility is gradually lost over a period of time until the imaged areas become as insoluble as non-imaged areas. Within a short time period of the imaging exposure, the imaged layer is developed with an aqueous alkaline developing solution to form the lithographic printing surface. In this method, the infrared radiation preferably is laser radiation which is digitally controlled.

Abstract translation: 使用红外线辐射直接对平版印刷表面进行成像的方法，而不需要进行紫外线照射之前或之后的曝光或热处理，使用包含具有用成像层涂覆的亲水表面的载体的印刷版。 成像层含有至少一种具有键合的侧基的聚合物，其为羟基，羧酸，叔丁基 - 氧羰基，磺酰胺，酰胺，腈，脲或其组合; 以及红外线吸收剂。 成像层可以含有具有键合的侧基的第二聚合物，其为1,2-萘醌二叠氮，羟基，羧酸，磺酰胺，羟甲基酰胺，烷氧基甲基酰胺，腈，马来酰亚胺，脲或其组合。 成像层还可以含有可见吸收染料，溶解性抑制剂，或两者。 在实践中，成像层被成像地暴露于红外辐射，以在成像层中产生在含水碱性显影液中具有瞬时溶解度的曝光图像区域，使得溶解度在一段时间内逐渐丧失，直到成像区域变得不溶于 非成像区域。 在成像曝光的短时间内，用含水碱性显影液显影成像层以形成平版印刷表面。 在该方法中，红外辐射优选为数字控制的激光辐射。

公开(公告)号：US6051366A

公开(公告)日：2000-04-18

申请号：US450968

申请日：1995-05-25

Applicant: Harald Baumann ,  Hans-Joachim Timpe ,  Hans-Peter Herting

Inventor： Harald Baumann ,  Hans-Joachim Timpe ,  Hans-Peter Herting

IPC: G03F7/029

CPC classification number: G03F7/029 ,  Y10S430/115 ,  Y10S430/12 ,  Y10S430/121 ,  Y10S430/127 ,  Y10S430/148

Abstract: A visible radiation sensitive composition is described which comprises a binder, one or more polymerizable compounds containing at least one polymerizable group, and one or more dyes having an absorption range in the emission range of the radiation source, characterized in that said composition comprises as an initiator an initiator system consisting of a metallocene as a photoinitiator and an onium compound as a coinitiator. The visible radiation sensitive composition shows an increased radiation sensitivity compared to the known radiation sensitive compositions and is especially suitable for recording materials such as printing plates, which can, in particular, also be exposed by means of laser radiation in the visible range.

Abstract translation: 描述了一种可见的辐射敏感组合物，其包含粘合剂，含有至少一个可聚合基团的一种或多种可聚合化合物和一种或多种在辐射源的发射范围内具有吸收范围的染料，其特征在于所述组合物包含作为 引发剂由作为光引发剂的茂金属和作为共引发剂的鎓化合物组成的引发剂体系。 可见的辐射敏感组合物显示与已知的辐射敏感组合物相比增加的辐射敏感性，并且特别适用于记录诸如印刷板的材料，其特别是也可以通过在可见光范围内的激光辐射曝光。

公开(公告)号：US6045963A

公开(公告)日：2000-04-04

申请号：US40163

申请日：1998-03-17

Applicant: Jianbing Huang ,  Richard Goodman ,  Thi Do

Inventor： Jianbing Huang ,  Richard Goodman ,  Thi Do

IPC: G03F7/00 ,  G03F7/023 ,  G03F7/035 ,  G03F7/075 ,  G03F7/32 ,  G03F7/30

CPC classification number: G03F7/0233 ,  G03F7/0752

Abstract: A negative waterless plate contains a sheet substrate; a radiation sensitive imaging layer composed of a diazido naphthaquinone ester or amide compound, such as diazido naphthaquinone sulfonate of a phenolic resin, and a polyurethane prepared by reacting a di-isocyanate and a diol; and a silicone layer. The planographic printing plate is imagewise exposed to actinic radiation through a negative original to form exposed areas of the imaged layer which are soluble or dispersible in a developer liquid. After imaging exposure, the developer liquid is applied which penetrates the silicone layer and dissolves the areas exposed to the radiation. The coating areas not exposed by the radiation remain intact. During this development procedure, areas of the silicone layer overlying the exposed areas are removed along with the underlying soluble areas to produce an imaged planographic printing plate having uncovered ink receptive areas and complimentary ink repellent areas of the silicone layer. In use, the developed plate is mounted on a dry planographic printing press containing only a lithographic ink; and used to print a positive image on conventional print stock.

Abstract translation: 负无水板包含片状基材; 由二叠氮基萘醌酯或酰胺化合物如酚醛树脂的二叠氮基萘醌磺酸盐和通过二异氰酸酯和二醇反应制备的聚氨酯组成的辐射敏感成像层; 和硅树脂层。 平版印刷版通过阴性原件成像曝光于光化辐射，以形成可溶或可分散在显影液中的成像层的暴露区域。 在成像曝光后，施加渗透硅氧烷层并溶解暴露于辐射的区域的显影液。 未被辐射暴露的涂层区域保持完整。 在该显影过程中，覆盖曝光区域的硅氧烷层的区域与下面的可溶性区域一起被去除以产生具有未覆盖的墨接受区域和硅氧烷层的互斥墨水排斥区域的成像平版印刷版。 在使用中，显影板安装在仅包含平版印刷油墨的干性平版印刷机上; 并用于在常规打印纸上打印正面图像。

公开(公告)号：US5985996A

公开(公告)日：1999-11-16

申请号：US917631

申请日：1997-08-22

Applicant: Harald Baumann ,  Udo Dwars ,  Celin Savariar-Hauck ,  Hans-Joachim Timpe

Inventor： Harald Baumann ,  Udo Dwars ,  Celin Savariar-Hauck ,  Hans-Joachim Timpe

IPC: C08F2/50 ,  C08F8/00 ,  G03F7/021 ,  G03F7/033

CPC classification number: G03F7/033 ,  C08F8/00 ,  C08F8/12 ,  C08F8/28 ,  C08F8/30 ,  G03F7/0215

Abstract: This invention relates to a binder containing the units A, B, C, D and E, wherein A is present in an amount of 10 to 60 mole % and is of the formula ##STR1## B is present in an amount of 1 to 30 mole % and is of the formula ##STR2## C is present in an amount of 5 to 60 mole % and is of the formula ##STR3## D is present in an amount of 0 to 60 mole % and is of the formula ##STR4## and E is present in an amount of 1 to 40 mole % and is of the formula ##STR5## wherein X is an aliphatic, aromatic or araliphatic spacer group,R.sup.1 is hydrogen or an aliphatic, aromatic or araliphatic group,R.sup.2, R.sup.3 and R.sup.4 are hydrogen or alkyl groups with carbon numbers of from 1 to 18 andY is a saturated or unsaturated chain- or ring-shaped spacer group, and photosensitive compositions containing this binder.

Abstract translation: 本发明涉及含有单元A，B，C，D和E的粘合剂，其中A以10至60摩尔％的量存在，并且式B的存在量为1至30摩尔％，和 式C的存在量为5至60摩尔％，并且式D的存在量为0至60摩尔％，并且具有下式，并且E以1至40摩尔的量存在 ％，并具有下式：其中X是脂族，芳族或芳脂族间隔基，R 1是氢或脂族，芳族或芳脂族基团，R 2，R 3和R 4是氢或碳数为1至18的烷基和Y 是饱和或不饱和的链状或环状间隔基团，以及含有该粘合剂的光敏组合物。

公开(公告)号：US5962189A

公开(公告)日：1999-10-05

申请号：US794156

申请日：1996-12-19

Applicant: Thap DoMinh

Inventor： Thap DoMinh

IPC: B41C1/10 ,  G03F7/031 ,  G03F7/037 ,  B41N1/08 ,  G03F7/038 ,  G03F7/09

CPC classification number: G03F7/037 ,  G03F7/031 ,  Y10S430/121 ,  Y10S430/123 ,  Y10S430/127

Abstract: A photosensitive composition can be used to prepare negative-working photosensitive elements such as lithographic printing plates. The composition includes a first photocrosslinkable aromatic resin having photocrosslinkable groups and a number average molecular weight of at least about 1500. Also included is a polymerizable monomer, a photocrosslinkable polyester, a photoinitiator, and an aromatic thiazoline photosensitizer. The photosensitive resins are present at a total weight ratio to the monomer of at least 1.5:1.

Abstract translation: 光敏组合物可用于制备负性感光元件如平版印刷版。 该组合物包括具有光可交联基团和数均分子量至少约1500的第一可光交联芳族树脂。还包括可聚合单体，光可交联聚酯，光引发剂和芳族噻唑啉光敏剂。 光敏树脂与单体的总重量比至少为1.5:1存在。

公开(公告)号：US5948534A

公开(公告)日：1999-09-07

申请号：US804681

申请日：1997-02-25

Applicant: Alex P. Altavilla

Inventor： Alex P. Altavilla

IPC: G03G7/00 ,  B32B29/00 ,  D21H19/00

CPC classification number: G03G7/0033 ,  G03G7/0006 ,  G03G7/0013 ,  G03G7/0053 ,  G03G7/004 ,  G03G7/0046 ,  Y10T428/31565 ,  Y10T428/31573 ,  Y10T428/31736 ,  Y10T428/3175 ,  Y10T428/31754 ,  Y10T428/31757 ,  Y10T428/3179 ,  Y10T428/31797 ,  Y10T428/3188 ,  Y10T428/3192 ,  Y10T428/31993

Abstract: Coated paper stocks for electrostatic imaging comprising a substrate coated on at least one surface with a resin layer comprised of olefinic material and a pin-hole free, continuous coating layer over said resin layer. The continuous layer has a glass transition temperature above 100.degree. C. and is comprised of one or more natural or synthetic film forming polymers. As a single layer this continuous coating layer functions as both a heat protective and imaging layer. In an alternate embodiment two separate coating layers are provided with separate heat protective and imaging functionalities.

公开(公告)号：US5939233A

公开(公告)日：1999-08-17

申请号：US181125

申请日：1998-10-28

Applicant: Syeda Husain ,  John F. Pilot ,  Rajendra J. Shah

Inventor： Syeda Husain ,  John F. Pilot ,  Rajendra J. Shah

IPC: G03C1/06 ,  G03C5/315

CPC classification number: G03C1/061 ,  G03C1/067

Abstract: Nucleating agents that promote high contrast in photographic films are disclosed. The nucleating agents are aryl sulfonamido hydrazides having pyridinium, phosphonium or cycloalkenylpyridinium functional groups. The nucleating agents increase the speed and contrast of graphic arts films and improve dot quality in halftone applications. Boosters are not required to obtain good dot quality and photographic speed.

Abstract translation: 公开了在照相胶片中促进高对比度的成核剂。 成核剂是具有吡啶鎓，鏻或环烯基吡啶鎓官能团的芳基亚磺酰氨基酰肼。 成核剂增加了图形艺术胶片的速度和对比度，并提高了半色调应用中的点质量。 增压器不需要获得良好的点质量和摄影速度。

公开(公告)号：US5925491A

公开(公告)日：1999-07-20

申请号：US781313

申请日：1997-01-09

Applicant: Harald Baumann ,  Udo Dwars ,  Celin Savariar-Hauck ,  Hans-Joachim Timpe

Inventor： Harald Baumann ,  Udo Dwars ,  Celin Savariar-Hauck ,  Hans-Joachim Timpe

IPC: C08F8/12 ,  C08F8/28 ,  C08F8/32 ,  G03F7/021 ,  G03F7/033

CPC classification number: G03F7/033 ,  C08F8/14 ,  C08F8/32 ,  C08F8/44 ,  C08F8/48 ,  G03F7/0215 ,  C08F2800/10 ,  C08F2800/20 ,  C08F2810/30 ,  Y10S430/107 ,  Y10S430/11 ,  Y10S430/111

Abstract: Polymeric binders for photosensitive compositions exhibiting improved ink acceptance, good developability and wetting, high photosensitivity, good image resolution, and larger printing runs for plates employing such photosensitive compositions.

Abstract translation: 用于光敏组合物的聚合物粘合剂，其表现出改进的油墨接受性，良好的显影性和润湿性，高光敏性，良好的图像分辨率，以及使用这种光敏组合物的印版的较大印刷行程。

公开(公告)号：US5846685A

公开(公告)日：1998-12-08

申请号：US797675

申请日：1997-01-31

Applicant: S. Peter Pappas ,  Jianbing Huang ,  Ajay Shah ,  Shashikant Saraiya

Inventor： S. Peter Pappas ,  Jianbing Huang ,  Ajay Shah ,  Shashikant Saraiya

IPC: G03F7/021 ,  G03F7/095

CPC classification number: G03F7/021

Abstract: A radiation sensitive composition containing an adduct of a diazonium resin having pendant diazonium groups, with a sulfonated acrylic copolymer having pendant sulfonate groups. The sulfonated acrylic copolymer contains an acrylic moiety and a sulfonated styryl or acrylic moiety. The copolymer may optionally contain styryl moieties. The composition is useful as a radiation sensitive layer in imaging elements for graphic arts applications and is particularly useful in preparing durable, long-wear, printing plates.

Abstract translation: 一种辐射敏感性组合物，其含有具有侧面重氮基团的重氮化合物的加合物和具有磺酸根基侧基的磺化丙烯酸共聚物。 磺化丙烯酸共聚物含有丙烯酸部分和磺化苯乙烯基或丙烯酸部分。 共聚物可以任选地含有苯乙烯基部分。 该组合物可用作用于图形艺术应用的成像元件中的辐射敏感层，并且在制备耐用的长寿命印刷版中特别有用。

公开(公告)号：US07306890B2

公开(公告)日：2007-12-11

申请号：US10500088

申请日：2002-12-27

Applicant: Mitsuo Ishida ,  Keitarou Yamaguchi

Inventor： Mitsuo Ishida ,  Keitarou Yamaguchi

IPC: G03F7/00 ,  G03P7/004

CPC classification number: C25F3/04 ,  B41N1/083 ,  C22C21/00 ,  C22F1/04

Abstract: The present invention provides an aluminum alloy plate for use as a lithographic printing plate having an improved uniformity of a surface roughened by electrolytic etching and wherein streaking does not occur, and a method for producing the same. The present invention is characterized in comprising, in wt %, Fe: 0.1 to 0.6%; Si: 0.02 to 0.2%; Cu: 0.001 to 0.02%; Zn: 0.01 to 0.1%; Mg: 0.005 to 0.1%; Ti: 0.001 to 0.05%, and the remainder Al and inevitable impurities, and an average value of the crystal particle size is 60 μm or less in a direction perpendicular to the rolling direction.

Abstract translation: 本发明提供一种用作平版印刷版的铝合金板，其具有通过电解蚀刻粗糙化的表面的均匀性提高，并且其中不发生条纹及其制造方法。 本发明的特征在于，以重量％计含有Fe：0.1〜0.6％ Si：0.02〜0.2％ Cu：0.001〜0.02％ Zn：0.01〜0.1％ Mg：0.005〜0.1％ Ti：0.001〜0.05％，其余为Al和不可避免的杂质，并且在与轧制方向垂直的方向上的结晶粒径的平均值为60μm以下。