Heat-conductive and anti-corrosion coating based on graphene functional material and preparation method of same
A technology of functional materials and anti-corrosion coatings, applied in the field of coatings, can solve the problems of poor high temperature resistance, inability to use normally, and low thermal conductivity, and achieve the effects of improving anti-corrosion performance, improving compactness and high mechanical properties
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Embodiment 1
[0030] In the present embodiment, the components and contents of each raw material are: 0.05 parts of graphene-supported zinc oxide functional material, 60 parts of epoxy resin, 6 parts of iron oxide red, 8 parts of calcium carbonate, 10 parts of 200# solvent gasoline, 0.1 part of metal stearic acid soap, 10 parts of aliphatic diamine.
[0031] Wherein the preparation method of the functional material of graphene supported zinc oxide is: hydrothermal method
[0032] Stir graphene and zinc acetylacetonate in ethylene glycol and ultrasonically disperse for 30 minutes, slowly add hydrazine hydrate dropwise, put it in an autoclave and heat it at 180°C for 16 hours; then centrifuge the product, wash it with distilled water and ethanol, respectively, Dry in a vacuum oven at 70°C for 24 hours.
[0033] Among them, the specific surface area of the graphene-supported ZnO functional material is 200 m 2 / g, the particle size of the functional material of graphene-loaded zinc oxide is...
Embodiment 2
[0041] In this embodiment, the components and contents of each raw material are: 0.1 part of graphene-loaded alumina functional material, 65 parts of silicone resin, 8 parts of iron oxide yellow, 10 parts of barium sulfate, 12 parts of rosin water, polyurea 0.1 part, 12 parts of aliphatic polyamine.
[0042] The preparation method of the functional material of graphene-supported alumina is: mix graphene and alumina powder in deionized water, adopt ultrasonic method in physical adsorption, disperse with ultrasonic for 20min, and then ball mill for 4h, and the obtained suspension is deionized Washing with water and absolute ethanol for several times and suction filtration, and then drying in an oven to obtain the functional material of graphene-loaded alumina.
[0043]Among them, the specific surface area of the graphene-supported alumina functional material is 500 m 2 / g, the particle size of the functional material of graphene-supported alumina is 2000 nm, and the mass frac...
Embodiment 3
[0051] In this embodiment, the components and contents of each raw material are: 3 parts of functional materials mixed with graphene, zirconium silicate and boron nitride, 72 parts of silicone resin, 13 parts of titanium dioxide, 15 parts of silicon dioxide, 16 parts of ethanol, 0.2 parts of hydrophobic silicone oil, 12 parts of isocyanide.
[0052] The preparation method of the functional material composed of graphene mixed with zirconium silicate and boron nitride is as follows: the mass fraction of graphene in the functional material composed of graphene mixed with zirconium silicate and boron nitride is 35%, The mass fraction of zirconium silicate is 35%, and the mass fraction of boron nitride is 30%. By physical adsorption method, graphene, zirconium silicate and boron nitride are ground in an agate mortar until the grinding is uniform.
[0053] Among them, the specific surface area of the functional material composed of graphene mixed with zirconium silicate and boron ...
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