• 专利标题:   Preparing three-dimensional graphene composite gas gel used in pressure sensor, involves mixing oxidized graphene, cellulose nanocrystalline, organic amine and water, performing hydrothermal reaction to obtained mixed solution to obtain hydrogel.
  • 专利号:   CN115746379-A
  • 发明人:   WU D, WANG Z
  • 专利权人:   LANZHOU CHEM PHYSICS INST CHINESE ACAD
  • 国际专利分类:   B01J013/00, C08J009/26, C08K003/04, C08L001/04, G01L001/22
  • 专利详细信息:   CN115746379-A 07 Mar 2023 C08J-009/26 202325 Chinese
  • 申请详细信息:   CN115746379-A CN11403163 10 Nov 2022
  • 优先权号:   CN11403163

▎ 摘  要

NOVELTY - Preparing three-dimensional graphene composite gas gel involves mixing the oxidized graphene, cellulose nanocrystalline, organic amine and water, performing hydrothermal reaction to the obtained mixed solution to obtain hydrogel. The graphene oxide is prepared from expanded graphite by an improved Hummers method, the hydrogel is freeze-dried to obtain a three-dimensional graphene composite gas gel. USE - Method for preparing three-dimensional graphene composite gas gel used in pressure sensor (claimed). ADVANTAGE - The method enables to prepare three-dimensional graphene composite gas gel that has the characteristics of high sensitivity and good stability and can accurately monitor the movement of different joints of the human body. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a three-dimensional graphene composite gas gel, which comprises three-dimensional porous structure, and includes reduced graphene oxide, cellulose nanocrystals and organic amines in chemical composition.