| abstract |
Biodegradable, low-foaming surfactants of the formulas I and / or II where R = 8 to 22 carbon atoms in the alkyl chain-containing alkyl or 2 to 22 carbon atoms-containing hydroxyalkyl radical and R ', R "is hydrogen or a C 1 -C 20 alkyl radical, where R' and R" are not simultaneous Are hydrogen and R 'and R "have a total of 8 to 20 carbon atoms, and where x in l has a value of 0.5 to 5 and y has a value of 5 to 50 and z in II is freely selectable with the proviso that the sum of all x (z) has a value of 0.5 to 5 and the sum of all y (z) has a value of 5 to 50, as well as processes for the preparation of these surfactants and their use in liquid detergents for machine rinsing. |