| 摘要 |
PROBLEM TO BE SOLVED: To obtain a conc. liq. detergent compsn. which has a high mildness, irritating the skin mildly, by incorporating an alcohol ethoxylate and at least one compd. selected from among N-alkylamino acids, amidoamino acids, and hydroxysulfoamines into the same. SOLUTION: This compsn. contains 25-60 wt.% surfactants comprising a nonionic surfactant (e.g. an alcohol ethoxylate represented by formula IV) and at least one amphoteric surfactant selected from among compds. represented by formula I (e.g. N-decylglycine), compds. represented by formula I [e.g. N-(decanoylamidoethyl)-β-alanine], compds. represented by formula III (e.g. N-laurylhydroxysulfoamine), and salts of these compds. At least 70 wt.% of the total surfactants is accounted for by the nonionic surfactant, of which at least 30 wt.% is an alcohol ethoxylate. In the formulas, R1, R2, and R4 are each a 6-22C alkyl or the like; R3 is a 1-3C alkyl or the like; R5 is a 10-18C alkyl or the like; M1 to M3 are each H, ammonium, or the like; and X is amidoethyl. |
