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化学的特性
Titanium monoxide, TiO, has a rock-salt structure but can exist with both oxygen and titanium vacancies. For stoichiometric TiO, the lattice parameter is 417 pm, but varies from ca 418 pm at 46 atom % to 4162 pm at 54 atom % oxygen. Apparently, stoichiometric TiO has ca 15% of the Ti and O sites vacant. At high temperatures (>900 °C (1,652 °F)), these vacancies are randomly distributed; at low temperatures, they become ordered. Titanium monoxide may be made by heating a stoichiometric mixture of titanium metal and titanium dioxide powders at 1,600 °C (2,912 °F).
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物理的性質
Gold-bronze solid. Prepared
by mixing stoichiometric
amounts of Ti and TiO2 heated in a Mo-crucible at 1600°C
or by the reduction of TiO2with H under pressure at 130 atm and 2000°C. Slightly
paramagnetic solid with χm = +88 × 10–6 emu.
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使用
Used for vacuum deposition. Also applications include sunscreens and UV-blocking in cosmetics, varnishes, wood preservatives, textile fibers, and packaging films. Also used as paint pigment, opacifying agent, welding rod fluxes, optical coatings, as a catalyst, ceramic finish coat, plastics, elastomers, coated fabrics, printing inks, roofing granules, glass, and in glazes. Also identified as Titanium monoxide.
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製造方法
Titanium monoxide or hongquiite (TiO) may be prepared by direct reduction by mixing stoichiometric amounts of titanium metal
and titanium dioxide into a molybdenum crucible at 1600°C or reduction of the titanium
dioxide with hydrogen under pressure at 130 atm and 2000°C.
Ti (s) + TiO2(s) —> 2 TiO(s) (1600°C)