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  • 专利标题:   Graphene composite film comprises graphene and polyimide, and is prepared by uniformly dispersing modified graphene in organic solvent, adding pyromellitic dianhydride and dimethylacetamide solvent, polymerizing and preparing.
  • 专利号:   CN107760028-A
  • 发明人:   SONG S, DAI J, YUAN B, YONG Y, CHENG Q, ZHANG H, WANG L, LIU D, YANG J, LI Q, WANG Z
  • 专利权人:   CHINA ACAD LAUNCH VEHICLE TECHNOLOGY
  • 国际专利分类:   C08L079/08, C08K009/10, C08K003/04, C08J005/18, C08G073/10
  • 专利详细信息:   CN107760028-A 06 Mar 2018 C08L-079/08 201829 Pages: 11 Chinese
  • 申请详细信息:   CN107760028-A CN11138996 16 Nov 2017
  • 优先权号:   CN11138996

▎ 摘　　要

NOVELTY - A graphene composite film comprises graphene and polyimide in a mass ratio of 10-50:100. USE - Graphene composite film. ADVANTAGE - The graphene polyimide composite film has improved electrical conductivity, strength and thermal stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for production of graphene composite film, which involves uniformly dispersing modified graphene in organic solvent, stirring, ultrasonically processing, adding pyromellitic dianhydride and dimethylacetamide solvent, polymerizing at 40-60 degrees C and preparing obtained product into thin film.