• 专利标题:   Preparation of graphene oxide-based super-molecular hydrogel used for adsorbing dye, involves ultrasonically processing graphene oxide sheet in ultra-pure water, adding alpha-cyclodextrin, mixing, adding poloxamine, and mixing.
  • 专利号:   CN104645947-A
  • 发明人:   XIN X, XU G, WANG L, CHEN J
  • 专利权人:   UNIV SHANDONG
  • 国际专利分类:   B01J020/26, B01J020/28, B01J020/30, C02F001/28, C02F001/58
  • 专利详细信息:   CN104645947-A 27 May 2015 B01J-020/26 201562 Pages: 20 Chinese
  • 申请详细信息:   CN104645947-A CN10014067 12 Jan 2015
  • 优先权号:   CN10014067

▎ 摘  要

NOVELTY - Preparation of graphene oxide-based super-molecular hydrogel involves adding graphene oxide sheet to ultra-pure water, ultrasonically processing, obtaining graphene oxide aqueous solution with concentration of 1-7 mg/mL, adding alpha -cyclodextrin to resultant solution, obtaining aqueous solution of graphene oxide doped with alpha - cyclodextrin, adding poloxamine (T90R4), mixing, obtaining product with poloxamine (T90R4) concentration of 50-250 mg/mL, alpha -cyclodextrin concentration of 120-150 mg/mL and graphene oxide concentration of 1-7 mg/mL, and maintaining for predetermined time. USE - Preparation of graphene oxide-based super-molecular hydrogel used for adsorbing dye. ADVANTAGE - The method enables economical preparation of graphene oxide-based super-molecular hydrogel having excellent selective dye adsorption effect, with reduced usage amount of graphene oxide. DETAILED DESCRIPTION - Preparation of graphene oxide-based super-molecular hydrogel involves adding graphene oxide sheet to ultra-pure water, ultrasonically processing for 3-5 hours, obtaining graphene oxide aqueous solution with concentration of 1-7 mg/mL, adding alpha -cyclodextrin to resultant solution, obtaining aqueous solution of graphene oxide doped with alpha - cyclodextrin with alpha -cyclodextrin concentration of 120-150 mg/mL and graphene oxide concentration of 1-7 mg/mL, adding poloxamine (T90R4), mixing, obtaining product with poloxamine (T90R4) concentration of 50-250 mg/mL, alpha -cyclodextrin concentration of 120-150 mg/mL and graphene oxide concentration of 1-7 mg/mL, and maintaining for predetermined time.