• 专利标题:   Producing graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis comprises dispersing graphene oxide in dimethylformamide, stirring dispersion with polyvinylidene fluoride, electro-spinning, and drying.
  • 专利号:   KR2020107025-A
  • 发明人:   KIM I S, MOHAMED, SOL K Y
  • 专利权人:   GWANGJU INST SCI TECHNOLOGY
  • 国际专利分类:   B01D061/00, B01D067/00, B01D069/12, B01D071/02, B01D071/34, B01D071/56, C02F001/44, D04H001/4242, D04H001/4318, D04H001/4334, D04H001/728
  • 专利详细信息:   KR2020107025-A 16 Sep 2020 B01D-069/12 202078 Pages: 10
  • 申请详细信息:   KR2020107025-A KR025378 05 Mar 2019
  • 优先权号:   KR025378

▎ 摘  要

NOVELTY - Producing graphene oxide composite electro-spinning nanofiber separation membrane comprises (i) dispersing graphene oxide (GO) in dimethylformamide; (ii) stirring the dispersed solution with polyvinylidene fluoride (PVDF); (iii) electro-spinning the stirred solution to generate nanofibers; and (iv) drying the nanofibers to remove residual solvent. USE - The separation membrane is useful for forward osmosis. ADVANTAGE - The membrane: forms nanofibers in the form of non-woven fabrics; has physical strength; and can provide excellent performance in terms of water treatment efficiency e.g. water flux and salt rejection while securing and stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for the graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis. DESCRIPTION OF DRAWING(S) - The drawing shows a view for explaining a method for preparing graphene oxide composite electrospun nanofiber separator for forward osmosis (Drawing includes non-English language text). Graphene oxide (101) Dimethylformamide (102) Polyvinylidene fluoride (103) Electro-spinning collector (104) Plastic syringe pump (105) Stainless steel needle (106) Nanofiber (110) Polyamide layer (115)