| abstract |
Invention Patent: <B> "WATER SUSPENSIONS OF MINERAL MATERIALS AND THEIR USES" <D>. Aqueous suspensions of mineral substances for use in the paper industry containing, as a dispersing agent and / or grinding aid, a copolymer consisting of: a) at least one ethylenically unsaturated monomer with a carboxyl function, b) optionally at least one monomer ethylenically unsaturated with a sulfonic or phosphoric function or a mixture thereof, c) optionally at least one ethylenically unsaturated monomer that does not have a carboxyl function, d) at least one surface active, oxyalkylated, ethylenically unsaturated monomer terminated with a hydrophobic chain. Uses of them in papermaking and color coating for paper. |