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A platform for research: civil engineering, architecture and urbanism
Preparation process of graphene heat-conducting film
The invention discloses a preparation process of a graphene heat-conducting film, which comprises the following steps: a, preparing graphene slurry with the concentration of 5-50%, adjusting the solid content of the graphene slurry to 5-50%, and adjusting the viscosity to 10000-1000000 mpa.s; b, directly extruding and molding the graphene slurry into a flaky material by adopting an extrusion molding technology; c, sintering: drying the flaky material at low temperature, carbonizing and graphitizing, and finally rolling to form the graphene heat-conducting film. The preparation process of the graphene heat-conducting film provided by the invention is simple in steps, can effectively reduce the cost, can effectively improve the qualified rate of products, can save electricity and reduce energy consumption compared with an existing tedious process, and in addition, the scale of equipment related to the preparation process is reduced, the occupied area is reduced, and the difficulty of plant site construction is reduced.
本发明公开了一种石墨烯导热膜的制备工艺，包括以下步骤，a、配置5‑50％浓度的石墨烯浆料，并将石墨烯浆料的固含量调配到5‑50％，粘度调配到10000‑1000000mpa.s；b、采用挤出成型技术，将石墨烯浆料直接挤出成型为片状材料；c、烧结，将片状材料经低温干燥后，再经过碳化、石墨化处理，最后辊压形成所述石墨烯导热膜。本发明提供的石墨烯导热膜的制备工艺步骤简单，可有效降低成本，并且相比于现有繁琐的工艺，可有效的提高产品的合格率，并且可节省用电，降低能耗，此外对于本发明制备工艺涉及的设备在规模上得到了降低，占地面积缩小，降低了厂房场地建设的难度。
Preparation process of graphene heat-conducting film
The invention discloses a preparation process of a graphene heat-conducting film, which comprises the following steps: a, preparing graphene slurry with the concentration of 5-50%, adjusting the solid content of the graphene slurry to 5-50%, and adjusting the viscosity to 10000-1000000 mpa.s; b, directly extruding and molding the graphene slurry into a flaky material by adopting an extrusion molding technology; c, sintering: drying the flaky material at low temperature, carbonizing and graphitizing, and finally rolling to form the graphene heat-conducting film. The preparation process of the graphene heat-conducting film provided by the invention is simple in steps, can effectively reduce the cost, can effectively improve the qualified rate of products, can save electricity and reduce energy consumption compared with an existing tedious process, and in addition, the scale of equipment related to the preparation process is reduced, the occupied area is reduced, and the difficulty of plant site construction is reduced.
本发明公开了一种石墨烯导热膜的制备工艺，包括以下步骤，a、配置5‑50％浓度的石墨烯浆料，并将石墨烯浆料的固含量调配到5‑50％，粘度调配到10000‑1000000mpa.s；b、采用挤出成型技术，将石墨烯浆料直接挤出成型为片状材料；c、烧结，将片状材料经低温干燥后，再经过碳化、石墨化处理，最后辊压形成所述石墨烯导热膜。本发明提供的石墨烯导热膜的制备工艺步骤简单，可有效降低成本，并且相比于现有繁琐的工艺，可有效的提高产品的合格率，并且可节省用电，降低能耗，此外对于本发明制备工艺涉及的设备在规模上得到了降低，占地面积缩小，降低了厂房场地建设的难度。
Preparation process of graphene heat-conducting film
一种石墨烯导热膜的制备工艺
GUO YIBIN (author) / GUANG ZHONGMING (author) / ZHOU XIAONAN (author)
2021-07-23
Patent
Electronic Resource
Chinese
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