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A platform for research: civil engineering, architecture and urbanism
Heat-conducting film and preparation method thereof
The invention provides a preparation method of a heat-conducting film, the preparation method comprises the following steps: coating graphene slurry on the surface of a reticular base material and in meshes, and baking at low temperature to form a film so as to obtain a graphene composite film; performing low-temperature thermal reduction on the formed graphene composite film; performing medium-temperature thermal reduction and carbonization on the graphene composite film subjected to low-temperature thermal reduction; performing high-temperature graphitization on the graphene composite film subjected to medium-temperature thermal reduction and carbonization; and calendering the graphene composite film subjected to high-temperature graphitization to obtain the heat-conducting film. The invention also provides the heat-conducting film. According to the invention, the production yield of the super-thick graphene composite heat-conducting film is obviously improved.
本发明提供导热膜的制备方法，包括：在网状基材表面和网孔内涂布石墨烯浆料，低温烘烤成膜，得到石墨烯复合膜；对成膜的石墨烯复合膜进行低温热还原；对完成低温热还原的石墨烯复合膜进行中温热还原和炭化；对完成中温热还原和炭化的石墨烯复合膜进行高温石墨化；对完成高温石墨化的石墨烯复合膜进行压延，获得导热膜。本发明还提供导热膜。本发明显著提升了超厚石墨烯复合导热膜的生产良率。
Heat-conducting film and preparation method thereof
The invention provides a preparation method of a heat-conducting film, the preparation method comprises the following steps: coating graphene slurry on the surface of a reticular base material and in meshes, and baking at low temperature to form a film so as to obtain a graphene composite film; performing low-temperature thermal reduction on the formed graphene composite film; performing medium-temperature thermal reduction and carbonization on the graphene composite film subjected to low-temperature thermal reduction; performing high-temperature graphitization on the graphene composite film subjected to medium-temperature thermal reduction and carbonization; and calendering the graphene composite film subjected to high-temperature graphitization to obtain the heat-conducting film. The invention also provides the heat-conducting film. According to the invention, the production yield of the super-thick graphene composite heat-conducting film is obviously improved.
本发明提供导热膜的制备方法，包括：在网状基材表面和网孔内涂布石墨烯浆料，低温烘烤成膜，得到石墨烯复合膜；对成膜的石墨烯复合膜进行低温热还原；对完成低温热还原的石墨烯复合膜进行中温热还原和炭化；对完成中温热还原和炭化的石墨烯复合膜进行高温石墨化；对完成高温石墨化的石墨烯复合膜进行压延，获得导热膜。本发明还提供导热膜。本发明显著提升了超厚石墨烯复合导热膜的生产良率。
Heat-conducting film and preparation method thereof
导热膜及其制备方法
TAN HUABING (author) / PAN ZHUOCHENG (author) / PAN ZHIJUN (author) / LI LEI (author)
2021-10-22
Patent
Electronic Resource
Chinese
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