Preparation method for titanyl phthalocyanine nano dispersoid
A nano-dispersion, titanium phthalocyanine technology, applied in the direction of chemical instruments and methods, luminescent materials, etc., can solve the problems of poor dispersion of coating liquid, large particle size, long ball milling time, etc., to achieve stable properties, The preparation process is simple and the effect of avoiding changes
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Embodiment 1
[0026] A: Weigh 120mg titanyl phthalocyanine and 189mg ferric chloride into 20ml dichloromethane, seal and heat and stir to dissolve;
[0027] B: Weigh 400mg of polyoxyethylene lauryl ether and dissolve it in a mixed solution of 400ml of water and acetic acid (the volume ratio of water to acetic acid is 3:1);
[0028] C: At room temperature, add the titanyl phthalocyanine solution in step A to the solution in step B at a rate of 10 μl / s, and stir to form a titanyl phthalocyanine suspension;
[0029] D: Add 40ml of dichloromethane to the nano-suspension in step C, stir for 15 minutes, and let it stand still. After the titanium phthalocyanine completely enters the organic phase, separate the liquid, take the organic phase, and obtain the sol of titanium phthalocyanine;
[0030] E: Add 2 times the volume of deionized water to the sol in step D, seal it, stir it at 25°C for 14 hours, and let it stand still. Ionized water and ethanol were centrifuged and washed several times to ob...
Embodiment 2
[0035] A: Weigh 120mg titanyl phthalocyanine and 189mg ferric chloride into 20ml dichloromethane, seal and heat and stir to dissolve;
[0036] B: Weigh 400mg of polyoxyethylene lauryl ether and dissolve it in a mixed solution of 400ml of water and acetic acid (the volume ratio of water to acetic acid is 3:1);
[0037] C: At room temperature, add the titanyl phthalocyanine solution in step A into the solution in step B at a rate of 60 μl / s, and stir to form a titanyl phthalocyanine suspension;
[0038] D: Add 40ml of dichloromethane to the nano-suspension in step C, stir for 15 minutes, and let it stand still. After the titanium phthalocyanine completely enters the organic phase, separate the liquid, take the organic phase, and obtain the sol of titanium phthalocyanine;
[0039] E: Add 2 times the volume of deionized water to the sol in step D, seal it, stir it at 25°C for 14 hours, and let it stand still. Ionized water and ethanol were centrifuged and washed several times to ...
Embodiment 3
[0042] A: Weigh 120mg titanyl phthalocyanine and 189mg ferric chloride into 20ml dichloromethane, seal and heat and stir to dissolve;
[0043] B: Weigh 400mg stearyl polyoxyethylene ether and dissolve it in 400ml water and ethanol mixed solution (the volume ratio of water and ethanol is 3:1);
[0044] C: At room temperature, add the titanyl phthalocyanine solution in step A to the solution in step B at a rate of 10 μl / s, and stir to form a titanyl phthalocyanine suspension;
[0045] D: Add 40ml of dichloromethane to the nano-suspension in step C, stir for 15 minutes, and let it stand still. After the titanium phthalocyanine completely enters the organic phase, separate the liquid, take the organic phase, and obtain the sol of titanium phthalocyanine;
[0046] E: Add 2 times the volume of deionized water to the sol in step D, seal it, stir it at 25°C for 14 hours, and let it stand still. Ionized water and ethanol were centrifuged and washed several times to obtain a solid precip...
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