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    • 7. 发明授权
    • Developer for alkaline-developable lithographic printing plates
    • 碱性显影平版印刷版的显影剂
    • US06645700B2
    • 2003-11-11
    • US10274935
    • 2002-10-21
    • Ulrich FiebagHans-Joachim TimpeUwe TondockAndreas Vihs
    • Ulrich FiebagHans-Joachim TimpeUwe TondockAndreas Vihs
    • G03F730
    • G03F7/322
    • An aqueous alkaline developing system for alkaline-developable lithographic printing plates and a method for its use are disclosed. The developing system comprises one or more water-soluble suppressors of the following structure: R1(CHOH)nR2 in which: n is 4 to 7; and either (i) R1 is hydrogen, aryl, or CH2OH; and R2 is alkyl group having 1 to 4 carbon atoms, CH2OR3 in which R3 is an alkyl group having 1 to 4 carbon atoms, CH2N(R4R5) in which R4 and R5 are each independently hydrogen or an alkyl group having 1 to 4 carbon atoms, or CO2H; or (ii) R1 and R2 together form a carbon—carbon single bond. The developing system is especially suited for developing imageable elements useful as lithographic printing plates. The developing system is especially suited for use with elements in which (1) the imageable layer comprises at least one phenolic resin or at least one polymeric compound having pendent sulfonamide groups, and (2) the substrate is aluminum or and an aluminum alloy.
    • 公开了一种用于碱显影平版印刷版的水性碱性显影系统及其使用方法。 显影系统包含一种或多种以下结构的水溶性抑制剂:其中n为4至7; 和(i)R 1是氢,芳基或CH 2 OH; R 2为碳原子数为1〜4的烷基,R 3为碳原子数1〜4的烷基的CH 2 OR 3,R 4和R 5各自独立地为氢或碳原子数为1〜4的烷基的CH 2 N(R 4 R 5) ,或CO2H; 或(ii)R1和R2一起形成碳 - 碳单键。 显影系统特别适用于开发可用作平版印刷版的成像元件。 显影系统特别适用于其中(1)可成像层包含至少一种酚醛树脂或至少一种具有侧链磺酰胺基团的聚合化合物的元件,以及(2)基材是铝或铝合金。