| abstract |
The present invention describes condensation products of polyether-modified and optionally hydrophobically modified monoesters and/or -amides of alpha, beta-unsaturated dicarboxylic acids and ammonia, their preparation and use.The condensation products contain polyoxyalkylene chains bonded via ester and/or amide bonds and prepared from monoesters and/or monoamides of monoethylenically unsaturated dicarboxylic acids and ammonia or prepared from the ammonium salts of said acids, and the mixtures thereof, optionally in the presence of cocondensable compounds. |