| 摘要 |
<p>A liquid fluorescent whitening agent formulation comprising: a) 10 to 20 % of a compound of formula (1) in which R1 represents hydrogen, 1-5 C-alkyl, 1-5 C-alkoxy or halogen, M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium; b) 20 to 50 % of a non-ionic surfactant; c) 20 to 40 % of a polyhydroxy compound; d) 0 to 20 % of a glycol compound and e) 1 to 50 % water and use thereof for improving the whiteness aspect of detergents.</p> |
