| 摘要 |
PROBLEM TO BE SOLVED: To provide a surfactant composition which has excellent foaming properties, thickening properties, water-solubility and stability in a wide pH range and further even in the presence of an oil stain. SOLUTION: The surfactant composition comprises (a) a compound represented by formula (I), (b) at least one compound selected from compounds represented by formulas (II) and (III), [in formulas (I), (II) and (III), R1CO- is an acyl group which may have a 6-24C hydroxy group; R2 is 1-3 alkyl group; R3 is a 1-6C alkylene group or a 2-6C alkenylene group], and another surfactant other than the components (a) and (b), the weight ratio of the component (a)/the component (b) being 99.99/0.01-80/20.
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