Preparation of ferric titanates for temperature-stable...

Details Preparation of ferric titanates for temperature-stable... Preparation of ferric titanates for temperature-stable...

C - Chemistry, Metallurgy

01

G

6/205, 23/253, 4

C01G 49/02 (2006.01) C08K 3/24 (2006.01) C09C 1/36 (2006.01)

Patent

CA 1077681

Abstract A temperature-stable inorganic yellow pigment of the composition Fe2TiO5 . x TiO2, where x is from 0 to about 15, with a particle diameter of less than about 1 micron is produced by forming an aqueous suspension of at least one finely divided iron compound selected from the group consisting of iron oxide, iron oxide hydrox- ide, iron hydroxide and iron carbonate and at least one finely divided titanium compound selected from the group consisting of titanium dioxide and titanium dioxide oxide hydrate, the iron and titanium compounds being present in accordance with the stoichiometric composition Fe2TiO5 . x TiO2 where x is from 0 to 15, removing the aqueous phase from the mixed suspension, and calcining the residue at a temperature from about 600°C to 1100°C.

207989

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