Preparation method of modified graphene oxide/natural rubber high-heat-conducting composite material
A technology of natural rubber and composite materials, which is applied in the field of preparation of modified graphene oxide/natural rubber high thermal conductivity composite materials, which can solve problems such as low thermal conductivity, improve thermal conductivity, facilitate thermal conduction network, and improve thermal conductivity Promoted effect
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[0037] Example 1
[0038] A preparation method of modified graphene oxide / natural rubber high thermal conductivity composite material, including the following steps:
[0039] (1) Preparation of hexagonal boron nitride nanosheets by ultrasonic-assisted peeling
[0040] Weigh 10g of hexagonal boron nitride and pretreat it in an oven at 120°C for 12h. Measure 500ml of anhydrous ethanol, mix ethanol and isopropanol in a volume ratio of 5:3, use stirring to make the mixture uniform, then add the dried hexagonal boron nitride to the mixed solvent and stir thoroughly; Put the mixed solution into the three-necked flask, put the three-necked flask into the ultrasonic reactor, and configure the mechanical stirring device. Set the temperature of the ultrasonic reactor to 60℃, the ultrasonic power to 120W, and the reaction time to 12h. Turn on the ultrasonic reactor And mechanical stirring device. During the reaction, 0.2 g of silane coupling agent KH550 was slowly dropped. After the reaction...
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[0046] Example 2
[0047] A preparation method of modified graphene oxide / natural rubber high thermal conductivity composite material, including the following steps:
[0048] (1) Preparation of hexagonal boron nitride nanosheets by ultrasonic-assisted peeling
[0049] Weigh 10g of hexagonal boron nitride and pretreat it in an oven at 100°C for 24h. Measure 500ml of anhydrous ethanol, mix ethanol and ethanolamine in a volume ratio of 5:2, use stirring to make the mixture uniform, then add the dried hexagonal boron nitride to the mixed solvent, and stir thoroughly; Add the solution to the three-necked flask, put the three-necked flask into the ultrasonic reactor, and configure the mechanical stirring device. Set the temperature of the ultrasonic reactor to 80℃, the ultrasonic power to 200W, and the reaction time to 8h. Turn on the ultrasonic reactor and the mechanical stirring equipment. During the reaction, 0.3 g of the silane coupling agent KH560 was slowly dropped. After the reac...
Example Embodiment
[0055] Example 3
[0056] A preparation method of modified graphene oxide / natural rubber high thermal conductivity composite material, including the following steps:
[0057] (1) Preparation of hexagonal boron nitride nanosheets by ultrasonic-assisted peeling
[0058] Weigh 10g of hexagonal boron nitride and pretreat it in an oven at 80°C for 36h. Measure 500ml of anhydrous ethanol, mix ethanol and isopropanol in a volume ratio of 5:1, use stirring to make the mixture uniform, then add the dried hexagonal boron nitride to the mixed solvent and stir thoroughly; Put the mixed solution into the three-necked flask, put the three-necked flask into the ultrasonic reactor, and configure the mechanical stirring device. Set the temperature of the ultrasonic reactor to 30℃, the ultrasonic power to 200W, and the reaction time to 6h. Turn on the ultrasonic reactor And mechanical stirring device. During the reaction, 0.5 g of the silane coupling agent KH570 was slowly dropped. After the reacti...
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