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  • 专利标题:   Preparation of dithiocarbamate chelating agent-modified graphene oxide used in adsorption of heavy metal, involves carboxylating graphene oxide, and modifying resultant carboxylated graphene oxide using R-dithiocarbamic acid.
  • 专利号:   CN107199018-A
  • 发明人:   QIAN W, ZHAO S
  • 专利权人:   LVQI BEIJING BIOTECHNOLOGY CO LTD
  • 国际专利分类:   B01J020/22, B01J020/30, C02F001/28, C02F101/20
  • 专利详细信息:   CN107199018-A 26 Sep 2017 B01J-020/22 201777 Pages: 6 Chinese
  • 申请详细信息:   CN107199018-A CN10153800 18 Mar 2016
  • 优先权号:   CN10153800

▎ 摘　　要

NOVELTY - Preparation of dithiocarbamate chelating agent-modified graphene oxide involves carboxylating graphene oxide, and modifying the resultant carboxylated graphene oxide using R-dithiocarbamic acid (I). USE - Preparation of dithiocarbamate chelating agent-modified graphene oxide used in adsorption of heavy metal. ADVANTAGE - The method provides dithiocarbamate chelating agent-modified graphene oxide having excellent recyclability and adsorption efficiency with respect to heavy metals. DETAILED DESCRIPTION - Preparation of dithiocarbamate chelating agent-modified graphene oxide involves carboxylating graphene oxide, and modifying the resultant carboxylated graphene oxide using R-dithiocarbamic acid of formula (I). R1,R2=HO(CH2CH2O)n1H; R3=HO(CH2CH2O)n3H or COOH;and n1,n2,n3=5-20.