| abstract |
Metal compounds of condensation products containing acid groups or co-condensation products of ketones and aldehydes are described which can be obtained by reacting ketone-aldehyde condensation products and / or co-condensation products with mono- or polyvalent metal compounds and / or metal complex compounds. The metal compounds are particularly suitable, particularly because of their high thermal stability, as thickeners, retention agents, surface-active agents, emulsifiers, dispersants and ! or plasticizers in aqueous systems, e.g. for the production of flow concrete or liquid screed, for the liquefaction of deep drilling cement mixtures, as a foaming additive in the production of foam concrete, as a surface-active additive, etc. |