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  • 专利标题:   Preparation of graphene involves reacting graphite dispersion liquid with supercritical or subcritical carbon dioxide, and substituting edge portion by carboxy group.
  • 专利号:   KR2014008590-A
  • 发明人:   CHOI H Y, LEE S J
  • 专利权人:   DONGWOO FINE CHEM CO LTD
  • 国际专利分类:   B01F003/06, B01J006/00, B01J008/10, C01B031/02
  • 专利详细信息:   KR2014008590-A 22 Jan 2014 C01B-031/02 201413 Pages: 8
  • 申请详细信息:   KR2014008590-A KR074534 09 Jul 2012
  • 优先权号:   KR074534

▎ 摘　　要

NOVELTY - A graphite dispersion liquid is reacted with supercritical or subcritical carbon dioxide, and edge portion is substituted by carboxy group, to obtain graphene. USE - Preparation of graphene (claimed). ADVANTAGE - The method enables preparation of graphene with high productivity.