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- Titanium oxychloride
is formed in a reaction between titanium chloride (TiCl4) and water.
- The mixture of
tartaric acid and TiOCl2 solution forms a gel on heating on a water
bath which decomposes at higher temperatures, > 423 K.
- Mesoporous titania
with an average pore diameter of 2.6 nm and pure rutile crystalline
structural wall were prepared by hydrolysis of TiOCl2 aqueous
solution at lower temperature by using octyl phenol polyethylene
oxide as template-directing agent.
- Yellow cakes of
TiO(OH)2 were dissolved with added HCl solution to form a TiOCl2
solution.
- The concentration of
titanium in the as- preparedTiOCl2 solutionwas 5.27M, and this was
used as a stock solution for synthesis of TiO2.
- The precipitation from
the aqueous TiOCl2 solution was not by the change of solubility but
crystallization, in which crystalline TiO2 precipitates have been
already formed at the stage of precipitation.
- TiOCl2 acid solution
hydrolyses N,N-dimethylformamide leading to the formation of
dimethylammonium chloride and methanoic acid.
- The inorganic
polymerisation is gently controlled by the slow consumption of
hydrochloric acid, and this one-pot process enables the preparation
of novel titanium oxide-based nanoparticles in sols or gels.
- Samples of titanium
oxychloride solution stabilized in an acidic medium solution and
N,N-dimethylformamide (DMF) were prepared in concentration of
titanium between 0.05 and 0.7 mol/L-1 at room temperature, denoted
TiDMF sol.
- When mixing the
titanium oxychloride and dimethylformamide solutions a double
hydrolysis reaction takes place: DMF reacts with HCl to form
dimethylammonium chloride and methanoic acid. At the same time, the
consumption of HCl enables a gentle control over the inorganic
polymerization.
- Hydrolysis of DMF in
TiOCl2 acidic medium leads to the formation of DMACl and HCOOH, and
at the same time, the consumption of hydrochloric acid enables a
gentle control over the inorganic polymerization.
- TiOCl2 acid solution
hydrolyzes N,N-dimethylformamide (DMF) at room temperature, leading
to the formation of dimethylammonium chloride (DMACl) and methanoic
acid.
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