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    • 8. 发明申请
    • METHOD FOR MAKING NEGATIVE-WORKING HEAT-SENSITIVE LITHOGRAPHIC PRINTING PLATE PRECURSOR.
    • 制造负离子热敏光刻印刷机前驱体的方法。
    • WO2006005688A1
    • 2006-01-19
    • PCT/EP2005/053141
    • 2005-07-01
    • AGFA-GEVAERTVERMEERSCH, JoanLOCCUFIER, JohanCALLANT, PaulJUNG, JürgenVAN DAMME, Marc
    • VERMEERSCH, JoanLOCCUFIER, JohanCALLANT, PaulJUNG, JürgenVAN DAMME, Marc
    • B41C1/10
    • B41C1/1008B41C1/1025B41C2210/04B41C2210/08B41C2210/22B41C2210/24B41C2210/26
    • A method for making a negative-working heat-sensitive lithographic printing plate precursor is provided which comprises the steps of (i) providing a support having a hydrophilic surface or which is provided with a hydrophilic layer, and (ii) applying on said support a coating which comprises a product DQ, wherein DQ is obtained by - the step of coating a solution or dispersion comprising a nucleophilic compound Q and a dye D selected from the list consisting of di- or tri-arylmethane dyes, cyanine dyes, styryl dyes and merostyryl dyes; or by - the step of coating a solution or dispersion comprising said compound Q and coating another solution or dispersion comprising said dye D; wherein D and Q interact to form interaction product DQ, having a white light optical density which is lower than the white light optical density of dye D, and wherein said interaction product DQ is capable of at least partially releasing a dye directly after exposure to infrared light or heat, thereby forming a visible image in said coating.
    • 提供了一种制备负性热敏平版印刷版原版的方法,其包括以下步骤:(i)提供具有亲水性表面的或具有亲水层的载体,和(ii)在所述载体上施加 包括产物DQ的涂层,其中DQ是通过以下步骤获得的:涂覆包含亲核化合物Q和染料D的溶液或分散体的步骤,所述染料D选自二 - 或三 - 芳基甲烷染料,花青染料,苯乙烯基染料和 美洛斯坦林染料; 或者通过以下步骤:涂布包含所述化合物Q的溶液或分散体并涂覆包含所述染料D的其它溶液或分散体; 其中D和Q相互作用以形成具有低于染料D的白光光密度的白光光密度的相互作用产物DQ,并且其中所述相互作用产物DQ能够在暴露于红外线之后直接至少部分地释放染料 光或热,从而在所述涂层中形成可见图像。