| abstract |
New thickeners of the formula (I), DOLLAR AR · 1 · O (CH¶2¶CH¶2¶O) ¶n1¶CONH-X-NHCOO (CH¶2¶CH¶2¶O) ¶m¶CONH are proposed -Y-NH-OC (OCH¶2¶CH¶2¶) ¶n2¶OR · 2 ·, DOLLAR A in R · 1 · and R · 2 · independently of one another for linear or branched, saturated or unsaturated alkyl radicals with 6 up to 22 carbon atoms and 0 and / or 1 to 3 double bonds, n1 and n2 in total for 0 or for numbers from 1 to 100, m for numbers from 4 to 500, DOLLAR A - [(CH¶2¶) ¶z1¶ -CR · 3 · R · 4 ·] ¶a1¶- [Ph] ¶x¶- [CR · 5 · R · 6 · - (CH¶2¶) ¶z2¶] ¶a2¶- (II), DOLLAR A in the R · 3 ·, R · 4 ·, R · 5 · and R · 6 · independently of one another for hydrogen or alkyl radicals with 1 to 4 carbon atoms, Ph for an optionally alkyl-substituted phenyl radical and x, a1, a2, z1 and z2 independently represent 0 or 1. |