Cleaner null for screen edition

摘要

PURPOSE: To obtain a detergent which is nonflammable, has a detergency suitable for cleaning an ink, and is not regulated by the regulations for preventing org. solvent poisoning by compounding an aliph. dihydric alcohol alkyl ether, 1,3-dimethyl-2-imidazolidinone, water, and a specific dibasic acid ester in a specified wt. ratio. ;CONSTITUTION: A detergent is prepd. by compounding 30wt.% or higher aliph. dihydric alcohol alkyl ether (e.g. a 7-15C diethylene glycol dialkyl ether) and/or its deriv. (A), 5-30wt.% 1,3-dimethyl-2-imidazolidinone (B), 8-20wt.% water (C), and 10-50wt.% dibasic acid ester of the formula: CH₃OOC(CH₂)_nCOOCH₃ (wherein n is 2-4) (D) provided that the sum of components B and D is not higher than 50wt.%. The detergency of the detergent can be improved by adding some org. solvent or surfactant to it.;COPYRIGHT: (C)1995,JPO