DEVELOPING AGENT COMPOSITION FOR PHOTOSENSITIVE PLANOGRAPHIC PLATE IMPROVED IN DETERIORATION OF VISIBLE IMAGE

PURPOSE:To prevent the deterioration of a visible image by incorporating N- phenyl diethanol amine or N-phenyl ethanol amine, an anionic surfactant and 0.001-1wt.% of a dyestuff in the developing agent composition. CONSTITUTION:Each of N-phenyl diethanol amine or N-phenyl ethanol amine or both of th...

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Bibliographische Detailangaben
Hauptverfasser: NAKANO MIEJI, NOGAMI AKIRA, UEHARA MASABUMI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To prevent the deterioration of a visible image by incorporating N- phenyl diethanol amine or N-phenyl ethanol amine, an anionic surfactant and 0.001-1wt.% of a dyestuff in the developing agent composition. CONSTITUTION:Each of N-phenyl diethanol amine or N-phenyl ethanol amine or both of them are incorporated in the developing agent composition, and the compounding amount of the amine is preferably 0.01-10wt.%, more preferably 0.5-5wt.% based on the developing composition. An alkali agent is preferably incorporated in the developing agent composition. The alkali agent is exemplified by an org. alkali agent such as triethanol amine or tetraalkyl ammonium hydroxide or an ammonium org. silicate, etc. The compounding amount of the alkali agent is preferably 0.05-20wt.%, more preferably 0.1-10wt.%. Thus, the deterioration of the visible image can be prevented.