A kind of preparation method of nano titanium dioxide powder
A technology of nano-titanium dioxide and titanium dioxide, which is applied in the direction of titanium dioxide, titanium oxide/hydroxide, etc., can solve the problems of cumbersome precipitation, separation and washing process, easy agglomeration of nano-powder, and complicated preparation process, so as to achieve simple process and avoid Effect of solvent treatment, uniform size distribution
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Embodiment 1
[0022] Step (1). Stir and mix 4 grams of bisphenol A-bisglycidyl methacrylate, 6 grams of triethylene glycol dimethacrylate, and 0.05 grams of Yanjiagu 819 at 60°C to obtain 10.05 grams of mixture;
[0023] Step (2). Add 3 grams of Pluronic F127 to the above mixed solution, stir and mix evenly at 50°C to form a uniform template solution of 13.05g;
[0024] Step (3). 2.5 grams of titanium isopropoxide and 0.5 grams of concentrated hydrochloric acid were added to the template solution, and stirred for 10 minutes to obtain a mixed solution containing a titanium dioxide precursor;
[0025] Step (4). Inject the mixed solution containing the titanium dioxide precursor into the mold, and irradiate it with 50W blue light for 60 seconds to cure to obtain the titanium dioxide precursor / polyacrylate composite solid material;
[0026] Step (5). Grinding the titanium dioxide precursor / polyacrylate composite solid material for 1 minute to obtain solid particles.
[0027] Step (6). The abo...
Embodiment 2
[0030] Step (1). Stir and mix 9.98g of bisphenol A-bisglycidyl methacrylate and 0.02g of Yanjiagu 1173 at 80°C to obtain 10g of the mixed solution;
[0031] Step (2). Add 10g of Pluronic F127 to the above mixed solution, stir and mix evenly at 30°C to form a uniform template solution of 20g;
[0032] Step (3). 3g butyl phthalate and 5.6g concentrated hydrochloric acid were added to the template solution, and stirred for 10 minutes to obtain 28.6g titanium dioxide precursor solution;
[0033] Step (4). Inject the above-mentioned titanium dioxide precursor solution into the mold, and cure with 5W ultraviolet light for 240 seconds to obtain a titanium dioxide precursor / polyacrylate composite solid material;
[0034] Step (5). Grinding the titanium dioxide precursor / polyacrylate composite solid material for 5 minutes to obtain solid particles;
[0035] Step (6). The above-mentioned solid particles were calcined at 500° C. for 6 hours in an air atmosphere to obtain nano titanium d...
Embodiment 3
[0037] Step (1). Stir and mix 9.8g triethylene glycol dimethacrylate and 0.2g Yanjiagu 184 at 80°C to obtain 10g of the mixed solution;
[0038] Step (2). Add 6.5g Pluronic P123 to the above mixed solution, stir and mix evenly at 80°C to form a uniform 16.5g templating agent solution;
[0039] Step (3). 16.5g of titanium isopropoxide was added to the above template solution, stirred for 30 minutes to obtain 33g of titanium dioxide precursor solution;
[0040] Step (4). The above-mentioned titanium dioxide precursor solution is injected into the mold, and cured by 10W blue light for 100 seconds to obtain a titanium dioxide precursor / polyacrylate composite solid material;
[0041] Step (5). Pulverizing the titanium dioxide precursor / polyacrylate composite solid material for 2 minutes to obtain solid particles;
[0042] Step (6). The above-mentioned solid particles were calcined at 600° C. for 5 hours in an air atmosphere to obtain nano titanium dioxide powder.
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