1. 平台首页
  2. 国际专利信息
  • 专利标题:   Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.
  • 专利号:   WO2021001700-A1, CA3136175-A1, KR2021148302-A, CN113748085-A, IN202117046797-A, EP3969419-A1, BR112021020481-A2, US2022212934-A1, JP2022532239-W, IN427775-B
  • 发明人:   VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S
  • 专利权人:   ARCELORMITTAL, ARCELORMITTAL INVESTIGACION Y DESARROLLO, ARCELORMITTAL, ARCELORMITTAL
  • 国际专利分类:   C01B032/19, C01B032/192, C01B032/198, C01B032/184, C01B032/194, C01B032/215, C01B032/22, C01B032/23, B01D021/26
  • 专利详细信息:   WO2021001700-A1 07 Jan 2021 202105 Pages: 23 English
  • 申请详细信息:   WO2021001700-A1 WOIB054458 12 May 2020
  • 优先权号:   WOIB054056, CA3136175, BR11020481, CN80031130, KR735968

▎ 摘　　要

NOVELTY - Manufacturing graphene oxide from kish graphite comprises: (A1) The provision of kish graphite; (B1) optionally, a pre-treatment of kish graphite; (C1) The intercalation of kish graphite with a persulfate salt and an acid at room temperature to obtain intercalated kish graphite; (D1) the expansion of the intercalated kish graphite at room temperature to obtain expanded kish graphite; and (E1) an oxidation step of the expanded kish graphite to obtain graphene oxide. USE - The method is useful for manufacturing graphene oxide from kish graphite. ADVANTAGE - The method: provides industrial method to graphene oxide having good quality in shortest time possible; provides less polluting method for making graphene oxide from Kish graphite compared to prior art methods; provides oxide has improved quality since the pre-treated kish graphite has high purity; and is industrial scale and is more eco-friendly than conventional methods.