Moulded concrete article having high gloss, method of making the same and use thereof

摘要

Concrete mouldings (I) coated with a cement-bound mineral coating material (cement slurry) and a transparent varnish, in which the binder in the varnish is an aqueous polymer dispersion containing at least one anionic emulsifier with phosphate and/or phosphonate group(s) (II). An independent claim is also included for a method for the production of (I) by making a formed product consisting of an unhardened, cement-bound mineral molding material, coating at least one surface with pigmented cement slurry, coating the same surface with transparent varnish as above and then hardening the molding and the coating layers by known methods.