abstract |
The invention relates to the use in a production process of an aqueous suspension of mineral material by dispersing and / or grinding, as a dispersing or grinding aid, a homopolymer of acrylic acid or a copolymer of acrylic acid with a water-soluble monomer, characterized in that the carboxylic groups of said agent are totally or partially neutralized by the lithium ion, and in that it has a viscosity index of between 0.01 and 0, 08. |