FIELD: chemistry.
SUBSTANCE: invention relates to production of powder of titanium diboride. Method involves preparation of a wet reaction mixture of initial titanium-containing, boron-containing components and reducing agent in form of carbon-containing components, drying mixture and carbothermal reduction in reaction mixture while heating. Titanium-containing components used are titanium dioxide in anatase form or titanium dioxide precursors, subjected to hydrolysis and modification with a fluoride anion. Carbothermal reduction in reaction mixture is carried out while heating to temperature of 1,000÷1,050 °C with holding in an atmosphere of dynamic vacuum. Titanium dioxide precursors used can be hydrated titanium dioxide, titanium tetrachloride, titanyl sulphate and ammonium hexafluorotitanate. Carbon-containing components used can be active forms of carbon in form of soot, or contained in molasses, sucrose, citric acid.
EFFECT: higher efficiency of producing powder of titanium diboride, low power consumption.
4 cl, 2 tbl, 7 ex
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Authors
Dates
2016-11-27—Published
2015-04-30—Filed