Processing method of lithographic printing plate precursor
    12.
    发明授权
    Processing method of lithographic printing plate precursor 有权
    平版印刷版前体的加工方法

    公开(公告)号:US08257913B2

    公开(公告)日:2012-09-04

    申请号:US12239035

    申请日:2008-09-26

    Abstract: A processing method of a lithographic printing plate precursor includes: exposing imagewise a lithographic printing plate precursor comprising a support on a surface of which at least one of: a hydrophilizing treatment; and an undercoat layer has been provided and an image-recording layer, to cure an exposed area of the image-recording layer; and undergoing developing processing with an aqueous solution having pH of from 2 to 10, wherein the aqueous solution comprises an amphoteric surfactant and an anionic surfactant selected from an anionic surfactant having an aliphatic chain and a total number of carbon atoms included in the aliphatic chain of 6 or more and an anionic surfactant having an aromatic ring and a total number of carbon atoms of 12 or more, and a content of the anionic surfactant is from 0.1 to 3.3% by weight of the aqueous solution.

    Abstract translation: 平版印刷版原版的加工方法包括:使表面上具有以下至少一种的支撑体的平版印刷版原版成像曝光:亲水化处理; 并提供底涂层和图像记录层,以固化图像记录层的曝光区域; 并用pH为2〜10的水溶液进行显影处理,其中所述水溶液包含两性表面活性剂和阴离子表面活性剂,所述阴离子表面活性剂选自阴离子表面活性剂,所述阴离子表面活性剂选自具有脂族链的脂族链和包含在脂族链中的脂族链总数 6以上的阴离子表面活性剂和具有芳香环,总碳原子数为12以上的阴离子表面活性剂,阴离子表面活性剂的含量为水溶液的0.1〜3.3重量%。

    METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE PRECURSOR
    13.
    发明申请
    METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE PRECURSOR 审中-公开
    生产平版印刷机前驱体的方法

    公开(公告)号:US20120183901A1

    公开(公告)日:2012-07-19

    申请号:US13498839

    申请日:2010-07-27

    Abstract: To provide a method for producing a lithographic printing plate precursor excellent in development property and printing durability, which method restrains mixture of both layers at coating and drying an overcoat layer on an image-recording layer. A method for producing a polymerizable lithographic printing plate precursor including (a) a step of coating a coating solution of an image-recording layer containing (A) a sensitizing dye, (B) a radical polymerization initiator and (C) a radical polymerizable compound on a support, (b) a first drying step of supplying hot air to the image-recording layer, (c) a second drying step of supplying hot air and superheated vapor to the image-recording layer after the first drying step, (d) a step of coating an overcoat layer on the image-recording layer, and (e) a step of drying the overcoat layer.

    Abstract translation: 为了提供一种制备显影性能和印刷耐久性优异的平版印刷版原版的方法,该方法在图像记录层上涂覆和干燥涂层时抑制两层的混合。 一种聚合性平版印刷版原版的制造方法,其特征在于,包括(a)涂布含有(A)增感染料,(B)自由基聚合引发剂和(C)自由基聚合性化合物的图像记录层的涂布溶液的工序 (b)向图像记录层供给热空气的第一干燥步骤,(c)在第一干燥步骤之后,向图像记录层供给热空气和过热蒸气的第二干燥步骤,(d) )在图像记录层上涂覆外涂层的步骤,和(e)干燥外涂层的步骤。

    LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD THEREOF
    15.
    发明申请
    LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PLATE MAKING METHOD THEREOF 有权
    平版印刷机前驱板及其制版方法

    公开(公告)号:US20120052442A1

    公开(公告)日:2012-03-01

    申请号:US13221545

    申请日:2011-08-30

    Abstract: A lithographic printing plate precursor includes, in the following order: a support; an image-recording layer which is capable of forming an image by removing an unexposed area with at least one of printing ink and dampening water on a printing machine after exposure and contains (A) an infrared absorbing dye, (B) a polymerization initiator, (C) a polymerizable compound and (D) a binder polymer having an alkylene oxide group; and a protective layer containing (E) a hydrophilic polymer containing at least a repeating unit represented by the formula (1) as defined herein and a repeating unit represented by the formula (2) as defined herein.

    Abstract translation: 平版印刷版原版按以下顺序包括:载体; 能够通过在曝光后在印刷机上利用印刷油墨和润版水中的至少一种去除未曝光区域而形成图像的图像记录层,并且包含(A)红外吸收染料,(B)聚合引发剂, (C)可聚合化合物和(D)具有烯化氧基团的粘合剂聚合物; 和含有(E)至少含有如本文所定义的式(1)表示的重复单元的亲水性聚合物和由本文定义的式(2)表示的重复单元的保护层。

    PROCESS FOR MAKING LITHOGRAPHIC PRINTING PLATE AND LITHOGRAPHIC PRINTING PLATE
    16.
    发明申请
    PROCESS FOR MAKING LITHOGRAPHIC PRINTING PLATE AND LITHOGRAPHIC PRINTING PLATE 有权
    制作平版印刷版和平版印刷版的方法

    公开(公告)号:US20110226145A1

    公开(公告)日:2011-09-22

    申请号:US13049288

    申请日:2011-03-16

    Inventor: Noriaki WATANABE

    Abstract: A process for making a lithographic printing plate that includes in sequence an exposure step of imagewise exposing by means of an infrared laser a lithographic printing plate precursor that has provided above a support a positive-working recording layer including (Component A) a (meth)acrylonitrile-derived monomer unit- and styrene-derived monomer unit-containing copolymer, (Component B) a water-insoluble and alkali-soluble resin, and (Component C) an infrared absorbing agent and a development step of developing, using an aqueous alkali solution including a betaine-based surfactant or a nonionic surfactant, the aqueous alkali solution having a pH of 8.5 to 10.8, by removing an exposed area of the positive-working recording layer whose solubility in aqueous alkali solution has been increased by the exposure. There is also provided a lithographic printing plate made by the process for making a lithographic printing plate.

    Abstract translation: 一种制备平版印刷版的方法,其中依次包括通过红外激光成像曝光的曝光步骤,所述平版印刷版原版在支撑体上方设置有正性记录层,所述正性记录层包括(组分A)(甲基) 丙烯腈衍生的单体单元和苯乙烯衍生的含单体单元的共聚物(组分B)水不溶性和碱溶性树脂,和(组分C)红外线吸收剂和显影步骤,使用碱水溶液 通过除去其在碱性水溶液中的溶解度的曝光面积已经通过曝光而增加的pH值为8.5〜10.8的碱性水溶液,其含有甜菜碱型表面活性剂或非离子性表面活性剂。 还提供了通过制造平版印刷版的方法制成的平版印刷版。

    LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PRODUCTION PROCESS OF LITHOGRAPHIC PRINTING PLATE USING THE PRECURSOR
    20.
    发明申请
    LITHOGRAPHIC PRINTING PLATE PRECURSOR AND PRODUCTION PROCESS OF LITHOGRAPHIC PRINTING PLATE USING THE PRECURSOR 审中-公开
    平面印刷板前驱体和使用前驱体的平版印刷板的生产工艺

    公开(公告)号:US20110020751A1

    公开(公告)日:2011-01-27

    申请号:US12934675

    申请日:2009-03-27

    Abstract: Provided are, as a lithographic printing plate precursor that enables good development with a developer having a pH from 2 to 10 and is excellent in runlength and stain resistance and a production process of a lithographic printing plate using the precursor, a lithographic printing plate precursor whose photosensitive layer contains the following components (A), (B), and (C): (A) a copolymer having a repeating unit of the formula (1) and at least one of a repeating unit of the formula (2) and a repeating unit of the formula (3): wherein each of A and B independently represents a hetero atom, each of R and R1 to R9 represents a monovalent substituent, L represents a divalent linking group, X represents a hydroxyl group, a monovalent group containing an acid group, an alkyleneoxy group, an amide group, or an ether group, an amino group, an ammonium group, or a salt obtained by neutralizing an acid group, and L0 represents a single bond or divalent hydrocarbon group, (B) a compound having an ethylenically unsaturated bond, and (c) a polymerization initiator; and a production process of a lithographic printing plate by using the precursor.

    Abstract translation: 作为平版印刷版原版,可以使pH为2〜10的显影剂进行良好的显影,并且具有优异的耐长度和耐污染性以及使用该前体的平版印刷版的制造方法,平版印刷版原版 光敏层含有下列组分(A),(B)和(C):(A)具有式(1)的重复单元和式(2)的重复单元和 式(3)的重复单元:其中A和B各自独立地表示杂原子,R和R 1至R 9各自表示一价取代基,L表示二价连接基团,X表示羟基,含有 酸基,亚烷基氧基,酰胺基或醚基,氨基,铵基或通过中和酸基获得的盐,L0表示单键或二价烃基,(B)a 化合物有 烯键式不饱和键,和(c)聚合引发剂; 以及使用该前体的平版印刷版的制造方法。

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