| abstract |
The present invention is a composition comprising calcium silicate hydrate and at least one (co) polymer having a carboxylic acid group and / or carboxylate group and a sulfonic acid group and / or sulfonate group, It is related with the said composition whose molar ratio of the number of the carboxylic acid group and / or carboxylate group with respect to an acid group and / or a sulfonate group is 1 / 20-20 / 1. The present invention further relates to a method for producing an aqueous and solid composition, their cement, slag sand, fly ash, silica dust, metakaolin, natural pozzolana, calcined oil shale and / or calcium aluminate cement. The invention relates to use as a hardening accelerator in cement and as a grinding aid in the production of cement. |