Methods to improve the workability of a mineral binder composition comprising at least one mineral binder and additionally recycled powder

Abstract

Methods to improve the workability of a mineral binder composition include at least one mineral binder and additionally recycled powder, said methods comprising the steps of providing at least one mineral binder, admixing recycled powder, admixing at least one workability improver selected from the group consisting of polycarboxylates, lignosulphonates, sugar acids, sugars, or mixtures thereof, and admixing water.

Dependencies are inferred from the claim text.