Surface-modified graphene

Surface-modified graphene

The invention provides a surface-modified graphene, comprising a graphene powder and at least one surface-modified layer, wherein the least one surface-modified layer comprises a surface modification agent and at least two functional groups disposed at two ends of the surface modification agent resp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN JINGRU, WU YISHUN, LIN JUNMENG, LIN GENGYU, XIE CHENGYOU, PENG SHENGSHU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:The invention provides a surface-modified graphene, comprising a graphene powder and at least one surface-modified layer, wherein the least one surface-modified layer comprises a surface modification agent and at least two functional groups disposed at two ends of the surface modification agent respectively; one functional group of the at least two functional groups can generate a chemical bond with an organic functional group on the surface of the surface-modified graphene powder; and the other functional group of the at least two functional groups forms a surface characteristic of the surface-modified graphene, wherein the surface modification agent comprises at least one of a coupling agent, aliphatic acid and a resin. Therefore, the surface-modified graphene powder can increase the dispersibility of the graphene powder in a solvent, enhance the endophilicity between the graphene powder and an organic polymer, and make the composite material to be more durable and to have wider applications.