| 摘要 |
PURPOSE: A cleaning composition is provide to have excellent removing force of organic pollutants and particles on the surface of a metal membrane material, and excellent corrosion resistance to metal wire. CONSTITUTION: A cleaning composition comprise: 0.0001-5 weight% one or more water-soluble polymer compounds selected from the group consisting of polyvinylalcohol, polyethylene glycol, cellulose, polyacrylic acid, polyethyloxazoline and polyvinylpyrrolidone; 0.01-5 weight% polyhydric alcohol based compound; 0.05-10 weight% class 4 ammonium-hydroxide; 0.05-40 weight% glycolether based organic solvent marked in the chemical formula 1. In the chemical formula 1, R1 is methyl group or ethyl group, R2 is hydrogen, n is integer of 2-5, and x is 1ineter of 1-5. |
