| 摘要 |
PURPOSE: To reduce the toxicity of a developer, to make the developer neutral and to develop various kinds of planographic printing plates by imparting a specified compsn. CONSTITUTION: This developer compsn. has about pH 6.5-7.5 and contains about 0.1-20% one or more among sodium octylsulfate, sodium tetradecylsulfate, ammonium laurylsulfate, etc., based on the weight of a developer, about 0.1-30% one or more kinds of Li salts of hydroxy- aryl- and alkylcarboxylic acids, about 0.1-30% one or more kinds of K salts of hydroxy-, aryl- and alkylcarboxylic acids and about 0.5-3.0% phenoxypropanol-base solvent or further contains an enough acid or base to adjust the developer to the desired pH, prescribed amts. of a defoaming agent and a buffer agent if necessary. |
