Electric heating coating
A technology of electrothermal coating and composition, applied in the direction of coating, etc., can solve the problem of poor aging resistance of electrothermal materials, and achieve the effect of excellent aging resistance
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Embodiment 1
[0017] 1) Place 37 parts of spherical graphite in an oven and dry at 100 °C for 48 h. 2) Place 9 parts of nickel powder and graphite powder in step 1) in a high-temperature tube furnace, heat at 450 °C for 4 h, naturally cool to room temperature, take it out and store in a vacuum desiccator for later use.
[0018] 3) 10 parts of silica aerosol, 9 parts of titanium dioxide, 11 parts of acrylic acid and 39 parts of ethyl acetoacetate were added to fully infiltrate the components, especially graphite powder. After soaking, the mixed components are fully dispersed in a high-speed shearing emulsifier for a period of time. 4) After fully dispersed, add 26 parts of perchlorovinyl acid resin in the corresponding proportion, and add part of 11 parts of polyethylene glycol, and carry out high-speed dispersion under the action of high-speed shearing emulsifier. The dispersion time is about 10~20 min. A sample of the electrothermal material was prepared.
Embodiment 2
[0020] 1) Place 46 parts of spherical graphite in an oven and dry at 100 °C for 48 h. 2) Place 6 parts of nickel powder and graphite powder in step 1) in a high-temperature tube furnace, heat at high temperature at 450 °C for 4 h, naturally cool to room temperature, take it out and store it in a vacuum desiccator for later use.
[0021] 3) 9 parts of silica aerosol, 7 parts of titanium dioxide, 9 parts of acrylic acid and 43 parts of ethyl acetoacetate were added to fully infiltrate the components, especially graphite powder. After soaking, the mixed components are fully dispersed in a high-speed shearing emulsifier for a period of time. 4) After fully dispersed, add 20 parts of perchlorovinyl acid resin in the corresponding proportion, and add part of 8 parts of polyethylene glycol, and carry out high-speed dispersion under the action of high-speed shearing emulsifier. The dispersion time is about 10~20 min. A sample of the electrothermal material was prepared.
Embodiment 3
[0023] 1) Place 32 parts of spherical graphite in an oven and dry at 100 °C for 48 h. 2) Place 11 parts of nickel powder and the graphite powder in step 1) in a high-temperature tube furnace, heat at 450 °C for 4 h, naturally cool to room temperature, take out and store in a vacuum desiccator for later use.
[0024] 3) 13 parts of silica aerosol, 11 parts of titanium dioxide, 13 parts of acrylic acid and 20 parts of ethyl acetoacetate were added to fully infiltrate the components, especially graphite powder. After soaking, the mixed components are fully dispersed in a high-speed shearing emulsifier for a period of time. 4) After fully dispersed, add 31 parts of perchlorovinyl acid resin in the corresponding proportion, and add part of 12 parts of polyethylene glycol, and carry out high-speed dispersion under the action of high-speed shearing emulsifier. The dispersion time is about 10~20 min. A sample of the electrothermal material was prepared.
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