Predispersed slurry of titanium dioxide

Details Predispersed slurry of titanium dioxide Predispersed slurry of titanium dioxide

C - Chemistry, Metallurgy

09

C

134/52

C09C 1/36 (2006.01) B02C 19/00 (2006.01)

Patent

CA 1129753

ABSTRACT OF THE DISCLOSURE A process is disclosed for preparing a slurry of titanium dioxide having a solids content of at least 60%. In the past titanium dioxide pigment slurries have been prepared by mixing titanium dioxide powder, water and additives in a batch mixer, however, this is a lengthy process and generally results in some agglomeration of the particles. The present process comprises the steps of mixing titanium dioxide pigment, at least one dispersant additive and water to a first mixture having a solids content of at least about 60%, pumping the first mixture through a disperser mill to produce a second mixture free from agglomerates.

355925

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