Use of particles of at least a metallic organosilicate polymer compound (A), as an agent for forming hydrophobic material dispersion in water or organophobic material dispersion in organic solvent, is claimed. Use of particles of at least a metallic organosilicate polymer compound (A) of formula (R 4Si 4Al 2O 8(OH) x) (I) or (R 8Si 8M 6O 1 6(OH) y) (II), as an agent for forming hydrophobic material dispersion in water or organophobic material dispersion in organic solvent, is claimed. R : alkyl, alkenyl, aryl, benzyl, vinyl, polyaromatic group or allyl (all optionally substituted) x : >= 2 y : >= 4 and M : Ca, Mg, Zn and/or Sr. In (I), where the Si/Al ratio is 1.8-1.3. In (II), the Si/M ratio is 1.8-1.3. An independent claim is included for an aqueous dispersion comprising hydrophobic material particles and particles of (A).Linvention concerne lutilisation dun polymère organosilicate métallique en tant quagent de formation dune dispersion.Le polymère organosilicate métallique utilisé dans linvention à lune des formules I ou II suivantes : Formule I : R4Si4Al2O8(OH)x Formule II : R8Si8M6O16(OH)yLinvention trouve application dans le domaine des dispersions de composés hydrophobes dans leau et de composés organophobes dans un solvant organique, en particulier.
