• 专利标题:   Preparing two-dimensional ion-pair membrane useful in desalting, comprises adding vinyl-containing acid monomers to graphene oxide nanosheet dispersion, adding vinyl-containing amine monomers, performing free radical polymerization and depositing on porous substrate membrane by nanosheet assembly.
  • 专利号:   CN115608175-A
  • 发明人:   SHAO H, GU J, LI X, LI Y, ZHANG S, RAN J
  • 专利权人:   UNIV HEFEI TECHNOLOGY
  • 国际专利分类:   B01D061/00, B01D067/00, B01D069/02, B01D071/02, B01D071/60, B01D071/66, B01D071/76
  • 专利详细信息:   CN115608175-A 17 Jan 2023 B01D-071/76 202316 Chinese
  • 申请详细信息:   CN115608175-A CN11253640 13 Oct 2022
  • 优先权号:   CN11253640

▎ 摘  要

NOVELTY - Preparing a two-dimensional ion-pair membrane, comprises adding vinyl-containing acid monomers to the graphene oxide nanosheet dispersion, under the initiation of the initiator, performing the free radical polymerization reaction to obtain the P1-graphene oxide nanosheet dispersion, adding vinyl-containing amine monomers to the graphene oxide nanosheet dispersion, under the initiation of the initiator, performing free radical polymerization reaction to obtain the P2-graphene oxide nanosheet dispersion, mixing the P1-graphene oxide nanosheet dispersion and the P2-graphene oxide nanosheet dispersion and depositing on the porous substrate membrane by nanosheet assembly to obtain a two-dimensional ion-pair membrane. USE - The method for preparing two-dimensional ion-pair membrane useful in desalting (claimed). ADVANTAGE - The film has high salt interception rate of the film, high water flux, and strong controllability of film preparation technique, which is good for mass production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for two-dimensional ion-pair membrane, obtained by the method as mentioned above.