| abstract |
The present invention relates to the field of water-soluble or water-dispersible copolymers with neutral or near neutral pH, in other words between 5.5 and 9.5, comprising at least one statistical copolymer comprising methacrylic acid, butyl acrylate, styrene and a monomer chosen from styrene sulfonic acid or the salts thereof, vinylbenzoic acid or the salts thereof, 2-acrylamido-2-methane sulfonic acid or the salts thereof, N-vinylpyrrolidone, alone or in combination. |