PROCESS FOR PREPARING ADDITIVE FOR CEMENTITIOUS MATERIALS, ADDITIVE AND MIXTURE COMPRISING ADDITIVE

摘要

This invention is directed to a process for preparing an additive for cementitious materials, in particular an admixture for paste, grout, mortar and concrete applications as well as a cement additive for cement production by grinding, from a sugar-based material. The process comprises a step of the sugar-based material being subjected to a sulfonation treatment.