• 专利标题:   Preparation of graphene oxide comprises mixing flake graphite powder and corundum phase alumina powder, heating under air atmosphere, taking out, cooling, adding water or absolute ethanol, wet ball milling, centrifuging, and drying.
  • 专利号:   CN113493200-A
  • 发明人:   YANG Y, DONG L
  • 专利权人:   SUZHOU NORTH AMERICA HIGH SCHOOL
  • 国际专利分类:   B01J021/18, C01B032/198
  • 专利详细信息:   CN113493200-A 12 Oct 2021 C01B-032/198 202103 Chinese
  • 申请详细信息:   CN113493200-A CN11113154 17 Oct 2020
  • 优先权号:   CN11113154

▎ 摘  要

NOVELTY - A graphene oxide is prepared by mixing 5-20 wt.% flake graphite powder and 80-95 wt.% corundum phase alumina powder, placing directly in a muffle furnace with an air atmosphere at 1000-1300degrees Celsius for 10-40 minutes, taking out, cooling naturally or in water to obtain corundum powder coated with yellow graphite oxide, adding water or absolute ethanol, placing in a planetary ball mill for wet ball milling for 10-24 hours, centrifuging, and drying. USE - The method for preparing graphene oxide. ADVANTAGE - The method does not use any strong acid.