• 专利标题:   Microwave pretreatment of high-dispersity graphene oxide by microwave treating graphite, reacting with concentrated sulfuric acid and sodium persulfate, water bath heating, filtering, washing, oven-drying, and performing Hummers' method.
  • 专利号:   CN104909348-A, CN104909348-B
  • 发明人:   LIU D, TANG Y
  • 专利权人:   UNIV ZHEJIANG SCITECH
  • 国际专利分类:   C01B031/02, C01B032/198
  • 专利详细信息:   CN104909348-A 16 Sep 2015 C01B-031/02 201582 Pages: 8 Chinese
  • 申请详细信息:   CN104909348-A CN10242320 12 May 2015
  • 优先权号:   CN10242320

▎ 摘  要

NOVELTY - Microwave pretreatment of high-dispersity graphene oxide includes placing graphite into microwave oven, and microwave treating; adding into concentrated sulfuric acid-containing three-necked flask together with sodium persulfate, water bath heating, stirring, suction filtering, washing repeatedly with deionized water until neutral, and oven-drying to obtain pre-oxidized graphite; and subjecting to Hummers' method. USE - Method for microwave pretreatment of high-dispersity graphene oxide (claimed). ADVANTAGE - The method is simple and has mild reaction condition. The graphene oxide has high dispersibility. DETAILED DESCRIPTION - Microwave pretreatment of high-dispersity graphene oxide comprises: (A) placing graphite into microwave oven, and microwave treating; (B) adding into 20 mL concentrated sulfuric acid-containing three-necked flask together with sodium persulfate, water bath heating, stirring, suction filtering, washing repeatedly with deionized water until neutral, and oven-drying to 60 degrees C for 24 hours to obtain pre-oxidized graphite; and (C) subjecting to Hummers' method.