Abstract:Modification of titanium dioxide by non-ionic surfactant cooperating with hyperdispersant was researched. The optimal conditions for surface treatment of titanium dioxide was obtained, that the content of non-ionic surfactant was 0.3%-0.4% and of hyperdispersant 0.6%-0.7%. The results show that the modified titanium dioxide may highly increase its dispersibility and stability in aqucous medium.