| 摘要 |
PROBLEM TO BE SOLVED: To obtain a detergent compsn. excellent in low-temp. detergency by incorporating at least one kind of a nonionic surfactant selected from among specific three kinds of nonionic surfactants, an alkali agent, and a chelating agent each in a specified amt. into the same. SOLUTION: This compsn. compsn. contains 0.01-20 wt.% at least one nonionic surfactant selected from among nonionic surfactants represented by formulas I, II, and III, 0.1-50 wt.% alkali agent, and 0.01-20 wt.% chelating agent. In these formulas, R<1> to R<3> are each 6-24C alkyl, etc.; EO is oxyethylene; PO is oxypropylene; x1 +x2 >=4; x3 +x4 >=4; x5 +x6 +x7 +x8 >=4; x6 +x7 >=1; x1 to x85 and x8 are each 2 or higher; 0<y2 <x3 +x4 ; y3 +y5 >=1; y3 to y5 are each 0 or higher; y3 +y4 +y5 <x5 +x6 +x7 +x8 ; [ ] means random polyaddition; and () means block polyaddition. Potassium hydroxide, sodium orthosilicate, sodium pyrophosphate, etc., are used as the alkali agent. Sodium gluconate, sodium ethylenediaminetetraacetate, etc., are used as the chelating agent. |
