STABLE AQUEOUS SUSPENSION OF PRECIPITATION SILICA

摘要

The invention relates to a stable and pumpable aqueous suspension of silica. This suspension is characterised in that it comprises: - a precipitated silica, - a bioresin, - a cationic surfactant chosen from the group of quaternary ammonium compounds and of sulphonium or phosphonium compounds. This suspension may be employed more particularly in papermaking.