High-temperature resistant graphene mica electrical heating plate and fabrication method thereof
A technology of graphene and high temperature resistance, applied in the field of graphene high temperature resistant mica electric heating plate and its preparation, can solve the problems of low temperature resistance coefficient of electric heating plate, large deformation of electric heating plate, large safety hazard, etc., and achieves good cost performance and uniform heating , the effect of improving temperature resistance
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[0032] Example 1
[0033] Such as figure 1 with 2 As shown, a graphene high temperature resistant mica electric heating plate includes a surface decoration layer 1, an upper mica insulating layer 2, a graphene heating layer 3, and a lower mica insulating layer 4 that are fixedly connected by an adhesive from top to bottom. The surface decoration layer 1 is configured as a PET thermal transfer film or a UV color printing decorative layer. In this embodiment, a PET thermal transfer film is selected. The upper mica insulating layer 2 and the lower mica insulating layer 4 respectively include several layers of mica insulating paper.
[0034] The graphene heating layer 3 includes a graphene conductive paper 31 and a copper tape 32 fixed on the graphene conductive paper 31 and arranged around the graphene conductive paper. The copper tape 32 is fixed on the periphery of the graphene conductive paper 31 through graphene conductive adhesive. The upper and lower surfaces of the graphene h...
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[0048] Example 2
[0049] The graphene high temperature resistant mica electric heating plate and epoxy resin electric heating plate in Example 1 are shown in Table 1 for the temperature resistance and insulation electric strength characterization data:
[0050] Table 1 Example 1 Graphene high temperature resistant mica electric heating plate and epoxy resin electric heating plate temperature resistance and insulation electrical strength characterization data
[0051]
[0052] As shown in Table 1, the deformation of the epoxy carbon crystal heating plate is not large when the temperature is less than 50 ℃, but the deformation is already large at 100 ℃, which will cause the internal circuit to be damaged. The damaged circuit carbon crystal catches fire at 200℃, so the epoxy resin carbon crystal heating plate has low temperature resistance and is suitable for heating within 50℃, which is safer.
[0053] The graphene high temperature resistant mica electric heating plate in Example 1 has...
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