Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-thermal-conductivity carbon film and preparation method thereof
The invention discloses a high-thermal-conductivity carbon film and a preparation method thereof, and belongs to the technical field of composite material preparation. The high-thermal-conductivity carbon film is prepared from the following raw materials in parts by mass: 10 to 80 parts of asphalt suspension and 10 to 80 parts of macromolecular solution, the asphalt suspension comprises the following raw materials in percentage by mass: 5-80% of asphalt powder, 0.5-10% of a dispersing agent and the balance of a solvent, the macromolecular solution comprises the following raw materials in percentage by mass: 1-20% of a binder, 1-20% of a plasticizer and the balance of a solvent. The preparation method comprises the following steps: taking asphalt powder as initial powder of graphite film slurry, adding a dispersing agent, a binder, a plasticizer and the like to prepare a graphite film slurry precursor with fluidity, performing tape casting to prepare an asphalt film, and performing pre-oxidation, carbonization and graphitization treatment to prepare the high-density and high-thermal-conductivity graphite film.
本发明公开了一种高导热碳膜及其制备方法，属于复合材料制备技术领域。本发明的高导热碳膜，包括以下质量份数的原料：沥青悬浮液10～80份和高分子溶液10～80份；所述沥青悬浮液，包括以下质量百分比的原料：沥青粉5～80％、分散剂0.5～10％、余量为溶剂；所述高分子溶液，包括以下质量百分比的原料：粘结剂1～20％、增塑剂1～20％、余量为溶剂。本发明以沥青粉作为石墨膜浆料的初始粉体，添加分散剂、粘结剂、增塑剂等制备出具有流动性的石墨膜浆料前体，经过流延成型制备出沥青膜，经预氧化、碳化以及石墨化处理后制备出高致密、高导热的石墨膜。
High-thermal-conductivity carbon film and preparation method thereof
The invention discloses a high-thermal-conductivity carbon film and a preparation method thereof, and belongs to the technical field of composite material preparation. The high-thermal-conductivity carbon film is prepared from the following raw materials in parts by mass: 10 to 80 parts of asphalt suspension and 10 to 80 parts of macromolecular solution, the asphalt suspension comprises the following raw materials in percentage by mass: 5-80% of asphalt powder, 0.5-10% of a dispersing agent and the balance of a solvent, the macromolecular solution comprises the following raw materials in percentage by mass: 1-20% of a binder, 1-20% of a plasticizer and the balance of a solvent. The preparation method comprises the following steps: taking asphalt powder as initial powder of graphite film slurry, adding a dispersing agent, a binder, a plasticizer and the like to prepare a graphite film slurry precursor with fluidity, performing tape casting to prepare an asphalt film, and performing pre-oxidation, carbonization and graphitization treatment to prepare the high-density and high-thermal-conductivity graphite film.
本发明公开了一种高导热碳膜及其制备方法，属于复合材料制备技术领域。本发明的高导热碳膜，包括以下质量份数的原料：沥青悬浮液10～80份和高分子溶液10～80份；所述沥青悬浮液，包括以下质量百分比的原料：沥青粉5～80％、分散剂0.5～10％、余量为溶剂；所述高分子溶液，包括以下质量百分比的原料：粘结剂1～20％、增塑剂1～20％、余量为溶剂。本发明以沥青粉作为石墨膜浆料的初始粉体，添加分散剂、粘结剂、增塑剂等制备出具有流动性的石墨膜浆料前体，经过流延成型制备出沥青膜，经预氧化、碳化以及石墨化处理后制备出高致密、高导热的石墨膜。
High-thermal-conductivity carbon film and preparation method thereof
一种高导热碳膜及其制备方法
XIA LONG (Autor:in) / CHEN SHENGXU (Autor:in) / GUO YI (Autor:in) / ZHAO QINGJIAO (Autor:in)
08.08.2023
Patent
Elektronische Ressource
Chinesisch
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