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    • 29. 发明公开
    • Photosensitive polyfunctional aromatic diazo compounds and photosensitive compositions using the same
    • Diazo-aromatische polyfunktionellen Verbindungen und sie enthaltende Zusammensetzungen。
    • EP0580121A2
    • 1994-01-26
    • EP93111593.5
    • 1993-07-20
    • TOYO GOSEI KOGYO CO., LTD.
    • Iida, Hirotada, c/o Photosensitive M.R. Lab.Tochizawa, Noriaki, c/o Photosensitive M.R. Lab.Kuniyoshi, Yasuo, c/o Photosensitive M.R. Lab.Watanabe, Masaharu, c/o Photosensitive M.R. Lab.Tokuda, Katsuyo, c/o Photosensitive M.R. Lab.Hozumi, Ichiro, c/o Photosensitive M.R. Lab.
    • G03F7/021G03F3/10G03F7/016
    • G03F3/10G03F7/021
    • An aromatic diazo compound is composed mainly of a compound of Formula (I) or Formula (II), and a photosensitive composition using the same. The aromatic diazo compound can be handled under a white light, is highly photosensitive, has good shelf life, is highly soluble in organic solvents, adequate as a photosensitive agent for lithographic printing plates, can be easily developed with a developing solution composed mainly of an alkaline aqueous solution, and has an appropriate water solubility as a screen printing plate: Formula (I)

      wherein ℓ, m, and n are integers where ℓ = 2 to 10, m = 0 to 5, n = 0 to 5, and ℓ + m + n = 2 to 20.

      R 1 and R 2 are independently hydrogen, or alkyl or alkyloxy of 1 to 8 carbon atoms;
      G 1 is a substituent derived from alcoholic hydroxyl group;
      G 2 is hydroxyl or the same group as G 1 ;
      Q is a polyvalent group generated by reacting a compound having a reactivity to at least two oxiranes with carbon of the oxirane ring;
      Q 1 is a monovalent group generated by reacting a compound having a reactivity to oxirane with carbon of the oxirane ring;
      R 3 is alkyl or substituted alkyl of 1 to 8 carbon atoms, aralkyl or substituted aralkyl of 7 to 14 carbon atoms, or Q 1 -CH 2 CHG 2 -CH 2 -;
      X- is an anion based on protonic acid from which a proton is removed. Formula (II)


      wherein n 1 to n' are integers from 0 to 10; n 1 + n 2 + n 3 + ... + n i = 2 to 20; R 1 , R 2 , R 3 and X- are respectively the same as those in Formula (I);
      G 2 is hydroxyl or the same group as G 1 in Formula (I), and the number of hydroxyl groups represented by G 2 in one molecule of a diazo compound of Formula (II) is 0 to 10, and the number of groups same as G 1 is 2 to 20;
      Q 2 1 to Q 2 i and Q s are the same or two or more different groups, and are divalent groups generated by reacting a compound which one molecule being reactable with two oxirane rings with carbons of two oxirane rings;
      R 4 is the same as Q 1 or G 2 in Formula (I), or Formula (III). Formula (III)

      wherein X-, R 1 , R 2 , and R 3 are the same as in Formula (I).
    • 芳族重氮化合物主要由式(I)或式(II)的化合物和使用其的光敏组合物组成。 芳族重氮化合物可以在白光下处理,具有高光敏性,保质期好,易溶于有机溶剂,作为平版印刷版的光敏剂,可以容易地用主要由 碱性水溶液,并且具有适当的水溶性作为丝网印刷版:式(I)其中l,m和n是整数,其中l = 2至10,m = 0至5,n = 0至5 ,且l + m + n = 2至20.R 1和R 2独立地为氢,或1至8个碳原子的烷基或烷氧基; G 1是衍生自醇羟基的取代基; G 2是羟基或与G 1相同的基团; Q是通过使具有至少两个环氧乙烷的反应性的化合物与环氧乙烷环的碳反应而产生的多价基团; Q 1是通过使环氧乙烷具有反应性的化合物与环氧乙烷环的碳反应而生成的一价基团; R 3是具有1至8个碳原子的烷基或取代的烷基,7至14个碳原子的芳烷基或取代的芳烷基,或Q 1 -CH 2 CHG 2 -CH 2 - ; X - 是基于质子被除去的质子酸的阴离子。 式(II)其中n 1至n i为0至10的整数; n 1 + n 2 + n 3 + ... + n = 2〜20; R 1,R 2,R 3和X 5分别与式(I)中相同; 式(I)中G 2是羟基或与G 1相同的基团,一分子式(II)的重氮化合物中由G 2表示的羟基数为0〜10, 与G 1相同的基团数为2〜20; Q2为Q2,Q为相同或两个或更多个不同的基团,并且是通过使一个分子可与两个环氧乙烷环反应的化合物与两个环氧乙烷环的碳反应而产生的二价基团; R 4与式(I)或式(III)中的Q1或G 2相同。 式(III)其中X 1,R 1,R 2和R 3与式(I)中相同。