| abstract |
The invention relates to a water-redispersible pulverulent composition comprising: at least one water-insoluble film-forming polymer, the said polymer (a) being prepared from at least one monomer with ethylenic unsaturation, and at least one naphthalenesulphonate (b) of general formula (I), in which: X and -X', which are identical or different, represent OH or NH2, Y represents SO3<SP>-</SP>M<SP>+</SP>, with M alkali metal, x ≥ 0, x' ≥ 0 and x+x' ≥ 1, y ≥ 0, y' ≥ 0 and y+y' ≥ 1. |