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Preparation method of graphene heat dissipation material with high infrared emissivity
The invention discloses a preparation method of a graphene heat dissipation material with high infrared emissivity, and belongs to the technical field of materials. The invention aims to solve the problem of low heat radiation coefficient of a graphene plate. The method comprises the following steps: carrying out vacuum freezing treatment by using graphene slurry; carrying out pre-pressing treatment on the graphene block subjected to freeze drying treatment; performing vacuum degreasing treatment on the graphene pre-pressing block; subjecting the degreased graphene pre-pressing block to vacuum hot pressing sintering treatment; carrying out high-temperature graphitization treatment on the graphene plate subjected to vacuum hot pressing sintering; machining the graphene plate in a machining center; grinding the surface of the graphene plate through mechanical plane grinding; preheating the graphene plate by using a heating table; uniformly spraying a thermal radiation coating on the surface of the graphene plate by using a spray gun; and curing the sprayed graphene plate. The preparation method of the graphene heat dissipation material with high infrared emissivity is firm in coating combination, high in heat radiation coefficient, simple in process and easy to implement.
一种高红外发射率的石墨烯散热材料的制备方法，属于材料技术领域。本发明的目的是为了解决石墨烯板热辐射系数低的问题，所述方法为：使用石墨烯浆料进行真空冷冻处理；将冷冻干燥处理后的石墨烯块体进行预压处理；将石墨烯预压块进行真空脱脂处理；将脱脂后的石墨烯预压块进行真空热压烧结处理；将真空热压烧结后的石墨烯板进行高温石墨化处理；将石墨烯板在加工中心进行机加；将石墨烯板表面使用机械平磨进行打磨；将石墨烯板使用加热台预热；将热辐射涂层使用喷枪均匀喷涂至石墨烯板表面；喷涂后的石墨烯板进行固化。本发明高红外发射率的石墨烯散热材料的制备方法涂覆结合牢固、热辐射系数高、过程简单、易于实现。
Preparation method of graphene heat dissipation material with high infrared emissivity
The invention discloses a preparation method of a graphene heat dissipation material with high infrared emissivity, and belongs to the technical field of materials. The invention aims to solve the problem of low heat radiation coefficient of a graphene plate. The method comprises the following steps: carrying out vacuum freezing treatment by using graphene slurry; carrying out pre-pressing treatment on the graphene block subjected to freeze drying treatment; performing vacuum degreasing treatment on the graphene pre-pressing block; subjecting the degreased graphene pre-pressing block to vacuum hot pressing sintering treatment; carrying out high-temperature graphitization treatment on the graphene plate subjected to vacuum hot pressing sintering; machining the graphene plate in a machining center; grinding the surface of the graphene plate through mechanical plane grinding; preheating the graphene plate by using a heating table; uniformly spraying a thermal radiation coating on the surface of the graphene plate by using a spray gun; and curing the sprayed graphene plate. The preparation method of the graphene heat dissipation material with high infrared emissivity is firm in coating combination, high in heat radiation coefficient, simple in process and easy to implement.
一种高红外发射率的石墨烯散热材料的制备方法，属于材料技术领域。本发明的目的是为了解决石墨烯板热辐射系数低的问题，所述方法为：使用石墨烯浆料进行真空冷冻处理；将冷冻干燥处理后的石墨烯块体进行预压处理；将石墨烯预压块进行真空脱脂处理；将脱脂后的石墨烯预压块进行真空热压烧结处理；将真空热压烧结后的石墨烯板进行高温石墨化处理；将石墨烯板在加工中心进行机加；将石墨烯板表面使用机械平磨进行打磨；将石墨烯板使用加热台预热；将热辐射涂层使用喷枪均匀喷涂至石墨烯板表面；喷涂后的石墨烯板进行固化。本发明高红外发射率的石墨烯散热材料的制备方法涂覆结合牢固、热辐射系数高、过程简单、易于实现。
Preparation method of graphene heat dissipation material with high infrared emissivity
一种高红外发射率的石墨烯散热材料的制备方法
XU FAN (author) / FU HUAQING (author) / HOU JIAXING (author) / ZHAO XU (author) / PENG QINGYU (author) / HE XIAODONG (author)
2021-08-27
Patent
Electronic Resource
Chinese
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