Heat-conducting and heat-dissipating film containing graphene
A technology of heat dissipation film and graphene, applied in layered products, chemical instruments and methods, metal layered products, etc., can solve the problems of fragile particle dust, low tensile strength, inconvenient installation and use, etc., to achieve Thin thickness, high processing difficulty, easy to use
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[0024] Example 1
[0025] like figure 1 As shown, the graphene heat-conducting and heat-dissipating film includes a heat-dissipating film body 1, the heat-dissipating film body 1 includes a graphene composite film layer 2, and the graphene composite film layer 2 includes a graphene layer 21 and a first substrate 22, so The first substrate 22 and the graphene layer 21 are composited by the first bonding layer 23, the thickness of the graphene layer 21 is 0.001 μm, the purity of the graphene layer 21 is 99.5%, and the The bottom surface and the top surface of the graphene composite film layer 2 are respectively provided with a first adhesive layer 3 and a second adhesive layer 4 . The first adhesive layer 3 and the second adhesive layer 4 are used to facilitate fixing with the heating element that needs to be dissipated.
[0026] Preferably, the first base material 22 is copper foil, and the thickness of the first base material 22 is 0.001 μm. The copper foil has good rolling...
Example Embodiment
[0032] Example 2
[0033] like figure 2 As shown, the graphene heat-conducting and heat-dissipating film includes a heat-dissipating film body 1, and the graphene composite film layer 2 includes a graphene layer 21, a first base material 22 and a second base material 24, and the first base material 22 and all the The graphene layer 21 is formed by bonding the first bonding layer 23 to each other, the second substrate 24 and the graphene layer 21 are composited by the second bonding layer 25, and the graphene layer 2 The thickness is 2 μm, and the purity of the graphene layer 2 is 99.9%. Wherein, the graphene layer 2 is high-purity graphene, and the bottom surface and the top surface of the graphene composite film layer 2 are respectively provided with a first adhesive layer 3 and a second adhesive layer 4.
[0034] Preferably, the first substrate 22 and the second substrate 24 are aluminum foils, and the thickness of the first substrate is 2 μm.
[0035] Preferably, the fi...
Example Embodiment
[0041] Example 3
[0042] like image 3 As shown, the graphene heat-conducting and heat-dissipating film includes a heat-dissipating film body 1, and the graphene composite film layer 2 includes a first graphene layer 21, a first substrate layer 22 and a second graphene layer 24, and the first graphite layer 2 The graphene layer 21 and the first substrate 22 are bonded to each other by the first bonding layer 23 , and the second graphene layer 24 and the first substrate 22 are composited by the second bonding layer 25 , the thickness of the first graphene layer 21 and the second graphene layer 24 is 1 μm, the purity of the first graphene layer 21 and the second graphene layer 24 is 99.7%, and the graphene The bottom surface and the top surface of the composite film layer 2 are respectively provided with a first adhesive layer 3 and a second adhesive layer 4 .
[0043] Preferably, the first substrate 22 is a PI plastic film, and the thickness of the first substrate 22 is 1000...
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