Nano titanium dioxide modified by liquid phase silicon deposition
A nano-titanium dioxide and nano-titanium oxide technology is applied in chemical instruments and methods, inorganic pigment treatment, fibrous fillers and other directions, which can solve the problems of easy agglomeration of nano-titanium dioxide, and achieve the effect of reducing surface energy, facilitating industrial production and simple process.
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Embodiment 1
[0014] 1) Dissolve 5g of methyl silicone oil with a mass fraction of 15% in 15mL of n-hexane solvent, then add 2.5g of nano-titanium dioxide and stir evenly to obtain a mixed solution;
[0015] 2) Evaporate the mixed solution prepared in step 1) to dryness at a water bath temperature of 75°C, put it in an oven for drying, and then place it in a muffle furnace under oxygen-enriched conditions at a rate of 10°C / min Raise the temperature to 500° C. and keep it for 2 hours to convert the methyl silicone oil into silicon dioxide, that is, to obtain nano-titanium dioxide modified by silicon deposition on the surface.
Embodiment 2
[0017] 1) Dissolve 5g of methyl silicone oil with a mass fraction of 20% in 15mL of n-hexane solvent, then add 4g of nano-titanium dioxide, and stir evenly to obtain a mixed solution;
[0018] 2) Evaporate the mixed solution prepared in step 1) to dryness at a water bath temperature of 75°C, put it in an oven for drying, and then place it in a muffle furnace under oxygen-enriched conditions at a rate of 10°C / min Raise the temperature to 500° C. and keep it for 2 hours to convert the methyl silicone oil into silicon dioxide, that is, to obtain nano-titanium dioxide modified by silicon deposition on the surface.
Embodiment 3
[0020] 1) Dissolve 5g of methyl silicone oil with a mass fraction of 30% in 15mL of n-hexane solvent, then add 5g of nano-titanium dioxide, and stir evenly to obtain a mixed solution;
[0021] 2) Evaporate the mixed solution prepared in step 1) to dryness at a water bath temperature of 75°C, put it in an oven for drying, and then place it in a muffle furnace under oxygen-enriched conditions at a rate of 10°C / min Raise the temperature to 500° C. and keep it for 2 hours to convert the methyl silicone oil into silicon dioxide, that is, to obtain nano-titanium dioxide modified by silicon deposition on the surface.
[0022] Each raw material that the present invention adopts:
[0023] raw material name
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