Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bendable flexible graphite film for folding screen and preparation method of bendable flexible graphite film
According to the bendable flexible graphite film for the folding screen and the preparation method of the bendable flexible graphite film, carbon nanofibers and a two-dimensional covalent organic framework material are introduced and connected with carbonized polyimide, gaps between sheet layers are filled, and the bendable flexible graphite film for the folding screen is obtained through the processes of thermal imidization treatment, hot-pressing carbonization, vacuumizing graphitization and the like. And a large number of microscopic wrinkles are generated after the film is graphitized, so that the graphite film with relatively high thermal conductivity and excellent mechanical strength and flexibility is prepared. The graphite film meets the requirements of novel display technologies such as a folding screen and a curved screen, and the performance and the service life of the mobile phone cannot be affected by repeated bending and wrinkling of graphite while uniform heat dissipation of the folding mobile phone is guaranteed.
本发明公开了一种折叠屏用可弯折柔性石墨膜及其制备方法，本发明通过引入碳纳米纤维和二维共价有机骨架材料，与碳化后的聚酰亚胺相互连接，填充片层间的空隙，经热亚胺化处理、热压碳化和抽真空石墨化等工艺，使薄膜石墨化后产生大量的微观褶皱，从而制备出具有较高导热性以及优异的机械强度和柔性的石墨膜。该石墨膜适应折叠屏、曲面屏等新型显示技术的需求，保证折叠手机均匀散热的同时，又不会因石墨多次的弯折褶皱造成对手机性能和使用寿命的影响。
Bendable flexible graphite film for folding screen and preparation method of bendable flexible graphite film
According to the bendable flexible graphite film for the folding screen and the preparation method of the bendable flexible graphite film, carbon nanofibers and a two-dimensional covalent organic framework material are introduced and connected with carbonized polyimide, gaps between sheet layers are filled, and the bendable flexible graphite film for the folding screen is obtained through the processes of thermal imidization treatment, hot-pressing carbonization, vacuumizing graphitization and the like. And a large number of microscopic wrinkles are generated after the film is graphitized, so that the graphite film with relatively high thermal conductivity and excellent mechanical strength and flexibility is prepared. The graphite film meets the requirements of novel display technologies such as a folding screen and a curved screen, and the performance and the service life of the mobile phone cannot be affected by repeated bending and wrinkling of graphite while uniform heat dissipation of the folding mobile phone is guaranteed.
本发明公开了一种折叠屏用可弯折柔性石墨膜及其制备方法，本发明通过引入碳纳米纤维和二维共价有机骨架材料，与碳化后的聚酰亚胺相互连接，填充片层间的空隙，经热亚胺化处理、热压碳化和抽真空石墨化等工艺，使薄膜石墨化后产生大量的微观褶皱，从而制备出具有较高导热性以及优异的机械强度和柔性的石墨膜。该石墨膜适应折叠屏、曲面屏等新型显示技术的需求，保证折叠手机均匀散热的同时，又不会因石墨多次的弯折褶皱造成对手机性能和使用寿命的影响。
Bendable flexible graphite film for folding screen and preparation method of bendable flexible graphite film
一种折叠屏用可弯折柔性石墨膜及其制备方法
GUO ZHIJUN (Autor:in) / ZHU YAN (Autor:in) / WU JIANXIANG (Autor:in) / YANG LANHE (Autor:in) / CHEN YAO (Autor:in) / CHEN RENZHENG (Autor:in)
12.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Highly flexible and bendable free-standing thin film polymer for battery application
| British Library Online Contents | 2009
| Europäisches Patentamt | 2018