会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • Method for making positive working printing plates
    • 制作正版印刷版的方法
    • US06455229B1
    • 2002-09-24
    • US09476108
    • 2000-01-03
    • Joan VermeerschMarc Van DammeGuido HauquierEric Verschueren
    • Joan VermeerschMarc Van DammeGuido HauquierEric Verschueren
    • G03F7004
    • B41C1/1016B41C2210/02B41C2210/04B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262B41N3/08Y10S430/145Y10S430/146Y10S430/165
    • According to the present invention there is provided a method for the preparation of a lithographic printing plate comprising the steps of exposing with IR light an imaging element comprising on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution and a top layer on the same side of the lithographic base as the first layer which top layer is IR-sensitive and unpenetratable for or insoluble in an alkaline developer wherein said first layer and said top layer may be one and the same layer, said imaging element comprising a siloxane surfactant; developing said exposed imaging element with an alkaline solution; gumming said developed imaging element with a baking gum solution; subjecting said gummed imaging element to a thermal treatment at a temperature above 50° C.; characterized in that said baking gum solution contains at least one surfactant making the contact angle between the baking gum solution and the surface of the plate less than 68° and/or at least one viscosity-regulating polymer making the viscosity of the baking gum solution between 1.7 cP and 5.0 cP.
    • 根据本发明,提供了一种制备平版印刷版的方法,包括以下步骤:用IR光照射成像元件,该成像元件在光刻基底上具有亲水表面,第一层包括可溶于碱性水溶液的聚合物 以及与所述第一层在所述平版印刷基底的相同侧上的顶层,所述第一层的顶层对于碱性显影剂是IR敏感的且不可渗透的或不溶于碱性显影剂,其中所述第一层和所述顶层可以是同一层,所述成像 元素,其包含硅氧烷表面活性剂;用碱性溶液显影所述暴露的成像元件;用烘焙胶溶液涂覆所述显影的成像元件;使所述胶状成像元件在高于50℃的温度下进行热处理;其特征在于,所述烘烤 胶溶液含有至少一种表面活性剂,其使得烘焙胶溶液与表面之间的接触角 小于68°的板和/或至少一种粘度调节聚合物,其使烘焙胶溶液的粘度在1.7cP和5.0cP之间。
    • 9. 发明授权
    • Heat mode sensitive imaging element for making positive working printing plates
    • 加热模式敏感成像元件,用于制作正性印刷版
    • US06447977B2
    • 2002-09-10
    • US09260062
    • 1999-03-02
    • Joan VermeerschMarc Van DammeEric VerschuerenGuido Hauquier
    • Joan VermeerschMarc Van DammeEric VerschuerenGuido Hauquier
    • G03F7039
    • B41C1/1016B41C2210/02B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262Y10S430/145Y10S430/146Y10S430/165
    • According to the present invention there is provided a heat mode imaging element for making a lithographic printing plate having on a lithographic base with a hydrophilic surface a first layer including a polymer soluble in an aqueous alkaline solution, and a top layer on the same side of the lithographic base as the first layer that is IR-sensitive and unpenetrable for an aqueous alkaline developer wherein said first layer and said top layer may be one and the same layer; characterized in that the surface of said element upon exposure and treatment with an aqueous alkaline developer is such that a) the contact angle between the unexposed areas of the imaging element and the aqueous alkaline developer changes for at most 6° during the first minute of contact with said developer; b) the contact angle between the exposed areas of the imaging element and the aqueous alkaline developer changes more than 15° during the first minute of contact with said developer; c) the difference in contact angle between on the one side the unexposed areas and on the other side the exposed areas of the imaging element with the aqueous alkaline solution at the onset of the measurement is not higher than 10°.
    • 根据本发明,提供了一种用于制造平版印刷版的热模式成像元件,该平版印刷版在具有亲水表面的光刻基底上具有包含可溶于碱性水溶液的聚合物的第一层, 作为第一层的平版印刷基底,其对于碱性水溶液的IR敏感性和不透气性,其中所述第一层和所述顶层可以是同一层; 其特征在于,当用碱性显影剂水溶液曝光和处理时,所述元件的表面是这样的:a)成像元件的未曝光区域与含水碱性显影剂之间的接触角在接触第一分钟期间变化最多6° 所述显影剂; b)在与所述显影剂接触的第一分钟期间,成像元件的暴露区域和碱性水性显影剂之间的接触角变化大于15°; c)一侧上未曝光的接触角之间的差异 在测量开始时,成像元件与碱性水溶液的曝光区域不高于10°。