Dispersion mechanism of nano-particulate aggregates using a high pressure wet-type jet mill

A high pressure wet-type jet mill was employed to disperse nano-particle suspensions. Commercially available nano-particles, fumed silica (SiO2) of primary particle diameter (d0) ranging from 7 to 40 nm, alumina (Al2O3) of d0=12nm and titanium oxide (TiO2) of d0=21nm were dispersed in the continuous phase up to viscosity ηc=1000mPas. Ion exchanged water, aqueous ethylene glycol and aqueous polyethylene glycol solutions with molecular weight up...