| abstract |
Amphiphilic acetals of the formula (1), wherein R 1 nC 8 -C 22 alkyl or iso-C 9 -C 22 alkyl or n- or iso-C 5 -C 18 alkylphenyl, R 2 and R 4 are independently C 1 -C 7 alkyl mean or have the same meaning as R 1 , R 3 is C 1 -C 7 -alkyl, A is a group of the formulas -C 2 H 4 - or -C 3 H 6 - and the inidices a, b, c and d independently of one another Numbers from 0 to 50, wherein at least one of the indices a, b, c or d must assume a value other than 0. These compounds are suitable as surfactants, emulsifiers, demulsifiers, wetting agents, foaming agents or defoamers. |