| abstract |
The present invention relates to mortars modified with alkylated phenol condensation products and containing inorganic binders and optionally additives, additives and / or additives, the mortars, based on the binder used, partially sulfonated, preferably partially sulfomethylated, condensates of phenol or phenol derivatives with formaldehyde, hyd, in which the phenolic OH group is etherified with 0.4 to 1.0 equivalent alkylating agent, in amounts of 0.05 to 5 wt .-%, and a process for the preparation of these mortars and their use as plasticizers for inorganic Binder, especially for screeds, concretes and / or for fillers. |