A kind of preparation method of light-cured carbon paste for far-infrared heating
A far-infrared, carbon slurry technology, applied in applications, household appliances, grain processing, etc., can solve the problems of poor thermal conductivity of graphene heating film components, and achieve the effects of good grinding effect, simple preparation method, and convenient and fast use.
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Embodiment 1
[0049] A kind of preparation method of light-cured carbon paste for far-infrared heating
[0050] The light-cured carbon paste for far-infrared heating is prepared by the following methods:
[0051] Step S10, preparing the modified conductive material: slowly pour the sodium hydroxide solution with a concentration of 8.5 mol / L into the mixed solution of butyl titanate and isopropanol, and the volume ratio of the above-mentioned butyl titanate and isopropanol is: 1:2, stir and mix for 27 minutes, add conductive material, heat up to 173 ° C, and perform hydrothermal reaction for 22 hours, naturally cool to room temperature, wash the reaction precipitate with deionized water, and wash with 0.1 mol / L hydrochloric acid solution When the pH of the precipitate is 7~8, it is then put into the hydrochloric acid solution, stirred and mixed for 7 hours, washed with deionized water until neutral, filtered, and the filter cake is dried at 81 °C to obtain the modified conductive material; ...
Embodiment 2
[0058] A kind of preparation method of light-cured carbon paste for far-infrared heating
[0059] The light-cured carbon paste for far-infrared heating is prepared by the following methods:
[0060] Step S10, prepare the modified conductive material: slowly pour the sodium hydroxide solution with a concentration of 6 mol / L into the mixed solution of butyl titanate and isopropanol, and the volume ratio of the above-mentioned butyl titanate and isopropanol is 1 : 1.6, add conductive material after stirring and mixing for 20 minutes, heat up to 163 ℃, carry out hydrothermal reaction for 18 hours, after natural cooling to room temperature, wash the reaction precipitate with deionized water, and wash with a concentration of 0.1mol / L hydrochloric acid solution to The pH of the precipitate is between 7 and 8, then it is put into the hydrochloric acid solution, stirred and mixed for 6 hours, then washed with deionized water until neutral, filtered, and the filter cake is dried at 78 °...
Embodiment 3
[0067] A kind of preparation method of light-cured carbon paste for far-infrared heating
[0068] The light-cured carbon paste for far-infrared heating is prepared by the following methods:
[0069] Step S10, preparing the modified conductive material: slowly pour the sodium hydroxide solution with a concentration of 11.5 mol / L into the mixed solution of butyl titanate and isopropanol, and the volume ratio of the above-mentioned butyl titanate and isopropanol is: 1:2.5, stir and mix for 35 minutes, add conductive material, heat up to 184°C, and carry out hydrothermal reaction for 26 hours, naturally cool to room temperature, wash the reaction precipitate with deionized water, and wash with hydrochloric acid solution with a concentration of 0.1mol / L When the pH of the precipitate is between 7 and 8, it is then put into the hydrochloric acid solution, stirred and mixed for 8 hours, washed with deionized water until neutral, filtered, and dried at 84 ° C to obtain the modified co...
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