Method to reduce imaging effluence in processless thermal printing plates
    421.
    发明申请
    Method to reduce imaging effluence in processless thermal printing plates 失效
    减少无处理热敏印版的成像流出的方法

    公开(公告)号:US20030124317A1

    公开(公告)日:2003-07-03

    申请号:US09998685

    申请日:2001-11-29

    Abstract: A method to reduce effluence during or immediately after imaging of a printing plate is described. In one embodiment of the invention, the method comprises: (a) applying to a substrate a coating composition comprising a photothermal converter and at least one polymer comprising thiosulfate groups to obtain a coating; and (b) applying a water soluble topcoat to the coating. Preferably, the water soluble topcoat does not comprise a photothermal converter. In another embodiment of the invention, the method comprises applying to a substrate a composition comprising: (a) a photothermal converter; (b) at least one polymer comprising thiosulfate groups; and (c) an additive selected from the group consisting of diazonium, iodonium, copper(I), alkoxypyridinium or maleimide additives.

    Abstract translation: 描述了在印版成像期间或之后立即降低流出液的方法。 在本发明的一个实施方案中,所述方法包括:(a)将包含光热转化器和至少一种包含硫代硫酸盐基团的聚合物的涂料组合物涂覆于基材以获得涂层; 和(b)向涂层施加水溶性面漆。 优选地,水溶性面漆不包含光热转换器。 在本发明的另一个实施方案中,该方法包括向基底施加组合物,其包含:(a)光热转换器; (b)至少一种包含硫代硫酸盐基团的聚合物; 和(c)选自重氮,碘,铜(I),烷氧基吡啶鎓或马来酰亚胺添加剂的添加剂。

    Lithographic printing plate for infrared laser
    422.
    发明申请
    Lithographic printing plate for infrared laser 失效
    红外激光平版印刷版

    公开(公告)号:US20030118942A1

    公开(公告)日:2003-06-26

    申请号:US10217486

    申请日:2002-08-14

    Abstract: A lithographic printing plate for infrared laser is provided which shows an excellent coated surface state and an excellent stability with time against scratch, and which has a heat-sensitive layer containing the following (A) to (D): (A) a substance which absorbs a light to generate heat; (B) an alkaline aqueous solution-soluble resin having phenolic hydroxyl groups; (C) a polymer containing as a polymerizable component (meth)acrylate monomer having within the molecule 2 or 3 perfluoroalkyl groups containing 3 to 20 carbon atoms; and (D) a fluorine-containing polymer containing at lease a specific monomer as a copolymerizable component.

    Abstract translation: 提供了一种用于红外激光的平版印刷版,其具有优异的涂覆表面状态和优异的耐刮擦时间的稳定性,并且具有包含以下(A)至(D)的热敏层:(A) 吸收光线产生热量; (B)具有酚羟基的碱性水溶液可溶性树脂; (C)含有在分子内含有3〜20个碳原子的全氟烷基的分子内的聚合性成分(甲基)丙烯酸酯单体的聚合物; 和(D)含有至少一种特定单体作为可共聚组分的含氟聚合物。

    Negative lithographic printing plates having a semisolid radiation-sensitive layer
    423.
    发明授权
    Negative lithographic printing plates having a semisolid radiation-sensitive layer 失效
    负平版印刷版具有半固体辐射敏感层

    公开(公告)号:US06541183B2

    公开(公告)日:2003-04-01

    申请号:US09873598

    申请日:2001-06-04

    Abstract: This patent describes a lithographic printing plate comprising on a substrate a semisolid radiation-sensitive layer capable of hardening upon exposure to a suitable radiation, and a method of imaging such a plate using laser radiation. The utilization of a semisolid radiation-sensitive layer allows faster photospeed and better curing efficiency as desired for digital laser exposure. Several plate designs can be utilized to overcome the tackiness issue associate with the semisolid layer, such as conformally coating the radiation-sensitive layer on a rough substrate and utilizing an overcoat. Plates having an ink and/or fountain solution or dispersible semisolid radiation-sensitive layer can be directly developed with ink and/or fountain solution while solution while mounted on press, with the imagewise laser exposure being carried out on press or off press.

    Abstract translation: 该专利描述了一种平版印刷版,其在基底上包含能够在暴露于合适的辐射时硬化的半固体辐射敏感层,以及使用激光辐射成像这种板的方法。 利用半固体辐射敏感层可以实现数字激光曝光所需的更快的感光速度和更好的固化效率。 可以使用几种板设计来克服与半固体层相关联的粘性问题,例如在粗糙的基底上共同地涂覆辐射敏感层并利用外涂层。 具有墨水和/或润版液或分散性半固体辐射敏感层的板可以在安装在印刷机上的同时用油墨和/或润版液直接显影,而图像激光曝光是在印刷机或压印机上进行的。

    Lithographic printing members having secondary non-ablative layers for use with laser imaging apparatus
    425.
    发明授权
    Lithographic printing members having secondary non-ablative layers for use with laser imaging apparatus 有权
    平版印刷构件具有用于激光成像设备的次级非烧蚀层

    公开(公告)号:US06497178B1

    公开(公告)日:2002-12-24

    申请号:US09699669

    申请日:2000-10-30

    Abstract: Provided is a lithographic printing plate comprising a support substrate having disposed thereon a hydrophilic layer interposed between the substrate and an ink-accepting ablative-absorbing surface layer. The ink-accepting surface layer comprising a one or more polymers and a sensitizer characterized by absorption of laser radiation. The printing plate may also comprise a primer layer underlying the ink-accepting surface layer with an adhesion-promoting agent present in the primer layer. Also provided are methods of preparing such lithographic printing plates, and methods of preparing imaged lithographic printing plates from such lithographic printing plates by imagewise exposure to a laser and a subsequent cleaning step with water or with a cleaning solution.

    Abstract translation: 提供了一种平版印刷版,其包括其上设置有介于基板和吸墨烧蚀吸收表面层之间的亲水层的支撑基板。 所述受墨表面层包含一种或多种聚合物和敏化剂,其特征在于吸收激光辐射。 印刷版还可以包含底漆层,其底层层位于接受油墨的表面层之下,并具有底漆层中存在的粘合促进剂。 还提供了制备这种平版印刷版的方法,以及通过成像曝光于激光从这种平版印刷版制备成像的平版印刷版的方法,以及随后用水或清洗溶液的清洗步骤。

    Lithographic printing plate precursor
    426.
    发明申请
    Lithographic printing plate precursor 有权
    平版印刷版前体

    公开(公告)号:US20020172889A1

    公开(公告)日:2002-11-21

    申请号:US10061234

    申请日:2002-02-04

    Inventor: Hidekazu Oohashi

    Abstract: A lithographic printing plate precursor comprising: a support having a water-wettable surface; and a heat-sensitive layer comprising a first resin having a hydrogen-donating group and a second resin having a hydrogen-accepting group, wherein at least one of the first resin and the second resin is particles.

    Abstract translation: 一种平版印刷版原版,其特征在于,具有:具有水润湿性表面的支持体; 以及包含具有供氢基团的第一树脂和具有氢接受基团的第二树脂的热敏层,其中第一树脂和第二树脂中的至少一个是颗粒。

    Coating formulation for printing plate precursor, printing plate precursor, printing press, fabrication process of printing plate, and regeneration process of printing plate
    428.
    发明申请
    Coating formulation for printing plate precursor, printing plate precursor, printing press, fabrication process of printing plate, and regeneration process of printing plate 失效
    印版前体,印版前体,印刷机,印版制造工艺和印版再生过程的涂料配方

    公开(公告)号:US20020157552A1

    公开(公告)日:2002-10-31

    申请号:US10131594

    申请日:2002-04-25

    Abstract: Disclosed are a printing plate precursor, a fabrication process of the printing plate precursor, a fabrication process of a printing plate, a regeneration process of the printing plate, a printing press, and a coating formulation for the printing plate precursor. According to the present invention, a printing plate can be fabricated directly from digital data, and sufficient image quality can be obtained without a developing step, i.e., a developer. To permit repeated use of the precursor, the precursor has a surface, which contains a photocatalyst and is capable of showing hydrophilicity when exposed to activating light having energy higher than band gap energy of the photocatalyst. A coating formulationnullwhich comprises fine particles of a thermoplastic resin having both a property that the particles unite to the surface when heated and a property that the particles decompose under action of the photocatalyst when exposed to activating light having energy higher than band gap energy of the photocatalystnullis applied as a hydrophobizing agent onto the surface. At least a part of the surface of the precursor is heated such that the fine particles applied on the part of the surface are fixed to form a hydrophobic image area. The fine particles applied on the remaining part of the surface with the image area formed thereon are then removed.

    Abstract translation: 公开了印版前体,印版前体的制造方法,印版的制造方法,印版的再生方法,印刷机和印刷版前体用涂料配方。 根据本发明,可以直接从数字数据制造印版,并且可以在没有显影步骤即显影剂的情况下获得足够的图像质量。 为了允许反复使用前体,前体具有含有光催化剂的表面,并且当暴露于具有高于光催化剂的带隙能量的能量的活化光时能够显示出亲水性。 一种涂料配方,其包含具有颗粒在加热时与表面结合的性质的热塑性树脂的细颗粒,以及当光催化剂的作用下当粒子分解的能量高于带隙能量的活化光时, 光催化剂作为疏水化剂施加到表面上。 将前体表面的至少一部分加热使得施加在表面的一部分上的微粒被固定以形成疏水图像区域。 然后除去施加在其上形成有图像区域的表面的剩余部分上的细颗粒。

    Image forming material
    429.
    发明授权
    Image forming material 失效
    成像材料

    公开(公告)号:US06423462B1

    公开(公告)日:2002-07-23

    申请号:US09627430

    申请日:2000-07-27

    Applicant: Kazuto Kunita

    Inventor: Kazuto Kunita

    Abstract: An image forming material having a support having disposed in an order thereon an acid-crosslinkable layer, which contains a compound that generates an acid by light or heat and a compound crosslinkable by the acid generated and whose alkali solubility is lowered by the crosslinking, and a radical-polymerizable layer, which contains a compound that generates a radical by light or heat and a compound capable of undergoing a radical polymerization and whose alkali solubility is lowered by the polymerization.

    Abstract translation: 一种成像材料,其具有在其上依次设置有酸交联层的载体,所述酸交联层包含通过光或热产生酸的化合物和由所产生的酸交联的化合物,并且其碱溶解度通过交联降低;以及 含有通过光或热产生自由基的化合物和能够进行自由基聚合并且通过聚合降低其碱溶解性的化合物的自由基聚合层。

    Heat-mode driographic printing plate precursor
    430.
    发明授权
    Heat-mode driographic printing plate precursor 失效
    热模印迹版前体

    公开(公告)号:US06387591B1

    公开(公告)日:2002-05-14

    申请号:US09391422

    申请日:1999-09-08

    Abstract: A heat-mode exposable imaging material is disclosed which is suitable for making a driographic printing master capable of accepting ink at exposed areas, said material comprising (i) a first layer containing more than 50% by weight of carbon or of an organic light absorbing compound, and (ii) an ink-abhesive second layer underlying said first layer, characterised in that said first layer is removable at non-exposed areas by starting a pressrun without substantially removing said second layer. In a preferred embodiment, the material comprises a support, a silicone coating and a surface coating which consists essentially of carbon, soot or graphite. After heat-mode exposure, the material is ink accepting at exposed areas and the surface coating is removed at non-exposed areas during the start of a pressrun, thereby revealing the silicone coating.

    Abstract translation: 公开了一种热模式可曝光成像材料,其适用于制造能够在暴露区域接受墨水的流体印刷主机,所述材料包括(i)包含多于50重量%的碳或有机光吸收的第一层 化合物,和(ii)位于所述第一层下面的油墨粘附的第二层,其特征在于,所述第一层通过开始压力而在非曝光区域是可去除的,而基本不除去所述第二层。 在优选的实施方案中,该材料包括基本上由碳,烟灰或石墨组成的载体,硅氧烷涂层和表面涂层。 在热模式曝光之后,材料在曝光区域接受油墨,并且在压力开始期间在非曝光区域去除表面涂层,从而露出硅氧烷涂层。

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