FEEDSTOCK FOR PRODUCING CERAMIC DARK-BLUE PIGMENT Russian patent published in 1997 - IPC

Abstract RU 2097346 C1

FIELD: chemical industry. SUBSTANCE: proposed feedstock has following composition, wt. %: aluminium powder 9-15, magnesium nitrate Mg(NO₃)₂•6H₂O 27-37, magnesium oxide 5-15, aluminium oxide Al₂O₃ 27-31, cobalt oxide Co₃O₄ 4-24, boric acid H₃BO₃ 2-4. Process is carried out by using heat generated by occurring exothermic reactions. Dark-blue pigments thus-produced have following properties: hiding power 37-108 g/sq.cm, oil absorption 17.5-37.0 g/100 g pigment, resistance when used in glaze up to 1400 C. EFFECT: good-quality and cheap dark-blue pigments.

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RU 2 097 346 C1

Authors

Timoshin V.N.

Selin V.V.

Milekhin Ju.M.

Krivosheev N.A.

Jakovlev S.I.

Dates

1997-11-27—Published

1996-07-18—Filed