Graphene heating slurry, graphene heating film prepared by using graphene heating slurry, and preparation method thereof
A graphene heating film and graphene technology, applied in the field of graphene heating film and its preparation, can solve problems such as power attenuation, and achieve the effects of reducing power control, low production cost, and improving serious power attenuation
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Embodiment 1
[0022] A graphene heating slurry, the graphene heating slurry comprises the following raw materials by weight: 25 parts of ball-milled graphene powder, 10 parts of solvent and 75 parts of heating carbon slurry.
[0023] The particle size of the ball-milled graphene powder is 8000 mesh.
[0024] The solvent is DMF.
[0025] The heating carbon paste is far-infrared electrothermal ink.
[0026] A graphene heating film, comprising a base film and the above-mentioned graphene heating slurry.
[0027] The base film is a square PET film.
[0028] A preparation method for a graphene heating film, comprising the following steps: A, taking a ball-milled graphene powder for subsequent use; B, taking a solvent and mixing it with the ball-milled graphene powder in step A to obtain a mixture; C, mixing the step The mixture obtained in B and the heating carbon slurry are fully stirred and mixed evenly to obtain a graphene heating slurry; D, the graphene heating slurry obtained in step C i...
Embodiment 2
[0033] The difference between this embodiment and the above-mentioned embodiment 1 is that the graphene exothermic slurry includes the following raw materials in parts by weight: 20 parts of ball-milled graphene powder, 8 parts of solvent and 70 parts of exothermic carbon paste.
[0034] The particle size of the ball-milled graphene powder is 4000 mesh.
[0035] The solvent is anti-white water.
[0036] The base film is a square PVC film.
[0037] In the step A, the preparation method of the ball-milled graphene powder is as follows: use flake graphite with a particle size of 4000 mesh as raw material, and process it in a ball mill at a speed of 250 rpm for 22 hours.
[0038] In the step C, the stirring speed is 600 rpm, and the time is 1 h.
[0039] In the step D, the coating thickness of the graphene heat generating slurry is 12 μm.
Embodiment 3
[0041] The difference between this embodiment and the above-mentioned embodiment 1 is that the graphene exothermic slurry includes the following raw materials in parts by weight: 15 parts of ball milled graphene powder, 12 parts of solvent and 60 parts of exothermic carbon paste.
[0042] The particle size of the ball-milled graphene powder is 5000 mesh.
[0043] The solvent is DMF.
[0044] The base film is a square EVA film.
[0045] In the step A, the preparation method of the ball-milled graphene powder is as follows: using flake graphite with a particle size of 5000 mesh as a raw material, and processing it in a ball mill at a speed of 300 rpm for 20 hours.
[0046] In the step C, the stirring speed is 700rpm, and the time is 3h.
[0047] In the step D, the coating thickness of the graphene heat generating slurry is 17 μm.
[0048] The performance comparison between the graphene heating film of the present invention and the commercially available graphene heating film ...
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