Stable aqueous suspensions of inorganic silica-based materials insoluble in water.

摘要

Aqueous suspensions of a silica-based inorganic material insoluble in water and in a finely subdivided form, stabilized with at least one organic polymeric compound containing hydroxylic groups and with an ammonium or phosphonium quaternary compound of the formula: <CHEM> wherein: B is nitrogen or phosphorus; A is either mono or polyvalent anion, while A1<-> is SO3<-> or COO<->.