abstract |
Suggested are new aqueous compositions for road construction, comprising n(a) Asphalt or bitumen, n(b) Polymeric emulsifiers, obtainable by esterification of alkanolamines with mixtures of mono- and dicarboxylic acids and/or their quaternisation products, and optionally n(c) Non-ionic, cationic and/or amphoteric co-emulsifiers, and/or n(d) Solvents. |