Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-thermal-conductivity graphite film and preparation method thereof
The invention discloses a graphite film with high thermal conductivity. The graphite film is obtained by carbonizing, graphitizing and sintering a polyimide film, the polyimide film comprises the following raw materials: a polyamide acid solution and aminated filler, wherein the aminated filler is composed of aminated diamond and aminated graphite powder. The invention further discloses a preparation method of the high-thermal-conductivity graphite film. The polyimide-based graphite film has the characteristics of high foaming rate and good flexibility, not only has high in-plane thermal conductivity, but also has relatively high interlayer thermal conductivity, can be applied to heat storage and heat dissipation modules in the fields of 5G, smart phones, tablet personal computers and the like, enhances the heat dissipation effect of components, improves the operation efficiency and prolongs the service life.
本发明公开了一种高导热石墨膜，其是由聚酰亚胺薄膜经碳化、石墨化烧结得到；聚酰亚胺薄膜包括以下原料：聚酰胺酸溶液、氨基化填料，其中氨基化填料由氨基化金刚石、氨基化石墨粉组成。本发明还公开了上述高导热石墨膜的制备方法。本发明的聚酰亚胺基石墨膜具有发泡率高、柔韧性好的特点，不仅面内导热率高，而且还具有较高的层间的导热率，可以用在5G、智能手机、平板电脑等领域的储热、散热模块，加强元器件的散热效果，提高运行效率、延长使用寿命。
High-thermal-conductivity graphite film and preparation method thereof
The invention discloses a graphite film with high thermal conductivity. The graphite film is obtained by carbonizing, graphitizing and sintering a polyimide film, the polyimide film comprises the following raw materials: a polyamide acid solution and aminated filler, wherein the aminated filler is composed of aminated diamond and aminated graphite powder. The invention further discloses a preparation method of the high-thermal-conductivity graphite film. The polyimide-based graphite film has the characteristics of high foaming rate and good flexibility, not only has high in-plane thermal conductivity, but also has relatively high interlayer thermal conductivity, can be applied to heat storage and heat dissipation modules in the fields of 5G, smart phones, tablet personal computers and the like, enhances the heat dissipation effect of components, improves the operation efficiency and prolongs the service life.
本发明公开了一种高导热石墨膜，其是由聚酰亚胺薄膜经碳化、石墨化烧结得到；聚酰亚胺薄膜包括以下原料：聚酰胺酸溶液、氨基化填料，其中氨基化填料由氨基化金刚石、氨基化石墨粉组成。本发明还公开了上述高导热石墨膜的制备方法。本发明的聚酰亚胺基石墨膜具有发泡率高、柔韧性好的特点，不仅面内导热率高，而且还具有较高的层间的导热率，可以用在5G、智能手机、平板电脑等领域的储热、散热模块，加强元器件的散热效果，提高运行效率、延长使用寿命。
High-thermal-conductivity graphite film and preparation method thereof
一种高导热石墨膜及其制备方法
SUN SHANWEI (Autor:in) / PAN CHENG (Autor:in) / SHI ENTAI (Autor:in) / HU CHENGPENG (Autor:in)
23.06.2023
Patent
Elektronische Ressource
Chinesisch
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