Process for preparing image plates with continuous gradation
    1.
    发明授权
    Process for preparing image plates with continuous gradation 失效
    具有连续灰度等级制作图像板的工艺

    公开(公告)号:US3997345A

    公开(公告)日:1976-12-14

    申请号:US539991

    申请日:1975-01-10

    IPC分类号: G03F7/20 G03C5/10

    CPC分类号: G03F7/2041 Y10S430/152

    摘要: A process for preparing an image plate with continuous gradation having a continuous unevenness which comprises exposing a photosensitive resin plate comprising a supporting material and a layer of a photopolymerizable resin composition being in a solid or liquid state at room temperatures and comprising an addition polymerizable, ethylenically unsaturated compound, a binding agent of polymer and a photopolymerization initiator provided thereon through a film with continuous gradation and subjecting the exposed resin plate to development, characterized in that the exposure is made in such a condition that oxygen or a gas containing oxygen is present between the photopolymerizable resin layer and the film.

    摘要翻译: 一种用于制备具有连续不均匀性的具有连续灰度的图像板的方法,其包括将包含支撑材料的感光性树脂板和可聚合树脂组合物的层在室温下处于固体或液体状态,并包含可加成聚的烯属 不饱和化合物,聚合物的粘合剂和通过具有连续层级的膜设置在其上的光聚合引发剂,并对暴露的树脂板进行显影,其特征在于,在这样的条件下进行曝光:在氧气或含氧气体之间存在 光聚合树脂层和膜。

    Lithographic printing plate
    5.
    发明授权
    Lithographic printing plate 失效
    平版印刷版

    公开(公告)号:US4480549A

    公开(公告)日:1984-11-06

    申请号:US454554

    申请日:1982-12-30

    IPC分类号: B41N1/08

    摘要: A lithographic printing plate which comprises:(a) a support comprising an iron foil prepared by electroforming,wherein one surface of said foil is in contact with an electrolyte and the opposite surface is in contact with a negative electrode,said foil being electroplated with a hydrophilic metal on both surfaces, and(b) an oleophilic image area formed from a photo-sensitive resin on said surface of the hydrophilic metal coated iron foil, which was in contact with said electrolyte and a non-image area where said resin is not present on said surface of said hydrophilic metal coated iron foil which was in contact with said electrolyte,said non-image area exhibiting good hydrophilic and water retentive properties in lithographic printing.

    摘要翻译: 一种平版印刷版,其特征在于,包括:(a)包含通过电铸制备的铁箔的载体,其中所述箔的一个表面与电解质接触并且所述相对表面与负极接触,所述箔被电镀 亲水金属在两个表面上,以及(b)亲水性影像区域,由感光树脂形成在与所述电解质接触的亲水性金属涂覆的铁箔的所述表面上,以及所述树脂不是的非图像区域 存在于与所述电解质接触的所述亲水性金属被覆铁箔的所述表面上,所述非图像区域在平版印刷中表现出良好的亲水和保水性。

    Water developable photosensitive resinous composition
    6.
    发明授权
    Water developable photosensitive resinous composition 失效
    水可显影光敏树脂组合物

    公开(公告)号:US4604343A

    公开(公告)日:1986-08-05

    申请号:US744293

    申请日:1985-06-13

    IPC分类号: C08F291/18 G03F7/027 G03C1/68

    CPC分类号: G03F7/027 C08F291/18

    摘要: A water developable photosensitive resin composition comprising a water soluble polymer, photopolymerizable unsaturated monomer(s) and a photopolymerization initiator, which is characterized in that as the whole or a part of said photopolymerizable unsaturated monomer(s), there is employed a product made by mixing of 1 mole of urea, thiourea or an alkyl derivative thereof and 0.75 to 1.3 moles of an N-alkylol acryl amide or an N-alkylol methacrylamide. The composition is useful for an image formation through a photopolymerization reaction and developable by water treatment to give a soft and rubber like resilient cured product.

    摘要翻译: 一种包含水溶性聚合物,光聚合性不饱和单体和光聚合引发剂的水显影性感光性树脂组合物,其特征在于,作为全部或一部分所述光聚合性不饱和单体,使用由 混合1摩尔脲,硫脲或其烷基衍生物和0.75至1.3摩尔N-羟烷基丙烯酰胺或N-羟烷基甲基丙烯酰胺。 该组合物可用于通过光聚合反应的图像形成,并且可通过水处理显影,得到柔软和橡胶状的弹性固化产物。

    Water developable photopolymerizable composition and printing plate
element containing same
    7.
    发明授权
    Water developable photopolymerizable composition and printing plate element containing same 失效
    水可显影光聚合组合物和含有它的印版元件

    公开(公告)号:US4540649A

    公开(公告)日:1985-09-10

    申请号:US649905

    申请日:1984-09-12

    申请人: Kiyomi Sakurai

    发明人: Kiyomi Sakurai

    摘要: A water developable, photopolymerizable composition and printing plates prepared from such composition are disclosed. The photopolymerizable composition includes at least one water soluble polymer, such as polyvinyl alcohol or partially saponified polyvinyl acetate, at least one photopolymerization initiator, and the condensation reaction product of N-methylol acrylamide, N-methylol methacrylamide, N-alkyloxymethyl acrylamide or N-alkyloxymethyl methacrylamide with a melamine derivative of the following formula: ##STR1## wherein, R.sub.1 is CH.sub.2 OR, R.sub.2 is H or CH.sub.2 OR, and R is C.sub.1 -C.sub.4 alkyl. A thermal polymerization inhibitor may also be included in the composition.Plates prepared from the composition demonstrate improved hardness and water resistance, compared to previously known photopolymerizable compositions, and also achieve excellent image quality.

    摘要翻译: 公开了由这种组合物制备的可显影水的可光聚合组合物和印刷板。 可光聚合组合物包括至少一种水溶性聚合物,例如聚乙烯醇或部分皂化的聚乙酸乙烯酯,至少一种光聚合引发剂,以及N-羟甲基丙烯酰胺,N-羟甲基甲基丙烯酰胺,N-烷氧基甲基丙烯酰胺或N-烷氧基甲基丙烯酰胺的缩合反应产物, 烷氧基甲基甲基丙烯酰胺与下式的三聚氰胺衍生物:其中,R 1为CH 2 OR,R 2为H或CH 2 O,R为C 1 -C 4烷基。 组合物中也可以包括热聚合抑制剂。 与以前已知的可光聚合组合物相比,由组合物制备的板显示出改善的硬度和耐水性,并且还实现优异的图像质量。

    Flexographic printing plates and process for making the same
    8.
    发明授权
    Flexographic printing plates and process for making the same 失效
    柔版印刷版和制作相同的工艺

    公开(公告)号:US4517278A

    公开(公告)日:1985-05-14

    申请号:US407825

    申请日:1982-08-13

    申请人: Kiyomi Sakurai

    发明人: Kiyomi Sakurai

    IPC分类号: G03F7/033 G03C1/72

    CPC分类号: G03F7/033 Y10S430/119

    摘要: A photosensitive resin composition useful for preparation of flexographic printing plates, which comprises syndiotactic 1,2-polybutadiene, an ethylenically unsaturated monomer and a photo-polymerization initiator, the syndiotactic 1,2-polybutadiene having an average molecular weight of from about 10,000 to 300,000, a 1,2-unit content of at least about 80 percent and a crystallinity of about 10 to 30 percent, said ethylenically unsaturated monomer being an ester of acrylic or methacrylic acid with an alkanol having from 4 to 20 carbon atoms, and the photo-polymerization initiator being benzoin or an alkyl ether thereof. The photosensitive resin composition, when formed into sheets, exhibits satisfactory resistance to liquids used for washing out the uncured areas and at also to aqueous or alcoholic printing inks, thereby producing patterns in relief that give excellent overall sharpness. It also possesses desired hardness and elasticity for flexographic printing plates.

    摘要翻译: 用于制备柔性版印刷版的感光性树脂组合物,其包含间规1,2-聚丁二烯,烯属不饱和单体和光聚合引发剂,间同立构1,2-聚丁二烯的平均分子量为约10,000〜300,000 ,至少约80%的1,2-单元含量和约10至30%的结晶度,所述烯键式不饱和单体是丙烯酸或甲基丙烯酸与具有4至20个碳原子的链烷醇的酯,和照片 聚合引发剂是苯偶姻或其烷基醚。 感光性树脂组合物形成片状时,对未固化区域以及水性或醇类印刷油墨的洗涤用液体表现出良好的耐受性,从而产生赋予优异的整体清晰度的图案。 它还具有柔性版印刷版所需的硬度和弹性。

    Waterless negative or positive lithographic printing plate preparation
    9.
    发明授权
    Waterless negative or positive lithographic printing plate preparation 失效
    无水阴性或阳性平版印刷版制剂

    公开(公告)号:US4508814A

    公开(公告)日:1985-04-02

    申请号:US396476

    申请日:1982-07-08

    CPC分类号: G03F7/0046

    摘要: A photosensitive plate suitable for preparation of a waterless lithographic printing plate, which comprises a support material and a photosensitive layer provided thereon, said photosensitive layer being made of a photosensitive composition comprising an emulsion polymerization product of an acrylic or methacrylic monomer having a perfluoroalkyl group in the side chain and a water-soluble photosensitive substance resin whose water-solubility is variable by irradiation of ultraviolet rays.

    摘要翻译: 一种适于制备无水平版印刷版的感光板,其包含支撑材料和设置在其上的感光层,所述感光层由包含具有全氟烷基的丙烯酸或甲基丙烯酸单体的乳液聚合产物的感光组合物制成, 侧链和通过紫外线的照射使水溶性变化的水溶性感光性树脂。

    Positive-type photosensitive resin compositions with quinone diazide
sulfonyl unit
    10.
    发明授权
    Positive-type photosensitive resin compositions with quinone diazide sulfonyl unit 失效
    具有醌二叠氮基磺酰基单元的正型感光性树脂组合物

    公开(公告)号:US5401604A

    公开(公告)日:1995-03-28

    申请号:US188712

    申请日:1994-01-31

    IPC分类号: G03F7/023 G03F7/16

    CPC分类号: G03F7/0233 G03F7/164

    摘要: A positive-type photosensitive resin composition containing a resin which results from reactions between a specific polyepoxide compound, a carboxylic acid compound having a specific phenolic hydroxyl group, a carboxylic acid compound having no specific phenolic hydroxyl group, and 1,2-quinone diazide sulfonyl halide. The resin composition has high exposure sensitivity, is capable of inhibiting swell or dissolution of unexposed areas during the stage of development, and yet retains other favorable properties. The resin composition has also attained short developing time.

    摘要翻译: 含有由特定聚环氧化合物,具有特定酚羟基的羧酸化合物,不具有特定酚羟基的羧酸化合物与1,2-醌二叠氮基磺酰基之间的反应产生的树脂的正型感光性树脂组合物 卤化物。 该树脂组合物具有高的曝光灵敏度,能够在显影阶段抑制未曝光区域的溶胀或溶解,并且还保留其它有利的性质。 树脂组合物也具有短的显影时间。