• 专利标题:   Preparing flexible graphene oxide/metal organic frame composite filter film involves weighing graphene oxide, zinc nitrate hexahydrate and 2-methylimidazole, and then adding them to the same solvent.
  • 专利号:   CN111569665-A
  • 发明人:   SU D, LI B, ZHAO X, YANG Z, LI Z
  • 专利权人:   UNIV TIANJIN
  • 国际专利分类:   B01D067/00, B01D069/12, B01D071/02, B01D071/06, B01D071/10, B01D071/16, B01D071/34, B01D071/36, C02F001/28, C02F001/44
  • 专利详细信息:   CN111569665-A 25 Aug 2020 B01D-067/00 202074 Pages: 13 Chinese
  • 申请详细信息:   CN111569665-A CN10325455 23 Apr 2020
  • 优先权号:   CN10325455

▎ 摘  要

NOVELTY - Preparing flexible graphene oxide/metal organic frame composite filter film involves weighing graphene oxide, zinc nitrate hexahydrate and 2-methylimidazole, adding them to the same solvent, preparing uniform graphene oxide dispersion liquid, zinc nitrate solution and 2-methylimidazole solution, adding the zinc nitrate solution into the graphene oxide dispersion liquid, adding 2-methyl imidazole solution, mixing uniformly to obtain the precursor mixed solution, pouring the obtained precursor mixture into the reactor, place it in an oven and heat it to obtain a suspension of zeolitic imidazole framework 8- graphene oxide composite particles, centrifuging, washing and drying the suspension to obtain a zeolitic imidazole framework 8-graphene oxide composite particles. USE - Method for preparing flexible graphene oxide/metal organic frame composite filter film. ADVANTAGE - The method enables to prepare flexible graphene oxide/metal organic frame composite filter film with excellent retention performance, has more abundant pore structure and improves the pollutant filtering performance. DETAILED DESCRIPTION - Preparing flexible graphene oxide/metal organic frame composite filter film involves weighing graphene oxide, zinc nitrate hexahydrate and 2-methylimidazole, adding them to the same solvent, preparing uniform graphene oxide dispersion liquid, zinc nitrate solution and 2-methylimidazole solution, adding the zinc nitrate solution into the graphene oxide dispersion liquid, adding 2-methyl imidazole solution, mixing uniformly to obtain the precursor mixed solution, pouring the obtained precursor mixture into the reactor, place it in an oven and heat it to obtain a suspension of zeolitic imidazole framework 8-graphene oxide composite particles, centrifuging, washing and drying the suspension to obtain a zeolitic imidazole framework 8-graphene oxide composite particles, disperse graphene oxide uniformly in water, adding zeolitic imidazole framework 8-graphene oxide composite particles and cross-linking agent prepared to obtain the suction filtrate, sucking the filtrate onto the polymer bottom membrane, and drying it in an oven.