| 摘要 |
<p>Aqueous concentrate (I) comprises: an isethionate compound (1a) (0.1-8 (preferably 3-7) wt.%); a taurate compound (2a) (0.1-8 (preferably 3-7) wt.%); and an alkyl betaine compound (3a) (0.1-40 (preferably 10-30) wt.%), where the sum of all the surfactants of (1a)-(3a) is greater than 20 wt.%. Aqueous concentrate (I) comprises: an isethionate compound of formula (RCOOCH 2CH 2SO 3M) (1a) (0.1-8 (preferably 3-7) wt.%); a taurate compound of formula (R 1>CON(CH 3)CH 2CH 2SO 3X) (2a) (0.1-8 (preferably 3-7) wt.%); and an alkyl betaine compound of formula (R 2>N +>(CH 3) 2CH 2COO ->) (3a) (0.1-40 (preferably 10-30) wt.%), where the sum of all the surfactants of (1a)-(3a) is greater than 20 wt.%. R, R 1>, R 2>6-30C, preferably 8-22C-alkyl or unsaturated 6-30C, preferably 8-22C-alkenyl; and M, X : counter ion, preferably an alkali metal, alkaline earth metal or ammonium ion.</p> |
