• 专利标题:   Preparing baking-free inorganic composite film, comprises e.g. placing fly ash, sodium hydroxide and deionized water in stirring device for stirring, filling and covering geopolymer slurry, curing, ultrasonic defoaming, coating, heat curing.
  • 专利号:   CN112707693-A, CN112707693-B
  • 发明人:   HE P, ZHANG X, CHEN H, ZHANG Y
  • 专利权人:   UNIV XIAN ARCHITECTURE TECHNOLOGY
  • 国际专利分类:   C04B012/00, C04B028/00
  • 专利详细信息:   CN112707693-A 27 Apr 2021 C04B-028/00 202145 Pages: 9 Chinese
  • 申请详细信息:   CN112707693-A CN10111848 27 Jan 2021
  • 优先权号:   CN10111848

▎ 摘  要

NOVELTY - Preparing baking-free inorganic composite film, comprises placing fly ash, sodium hydroxide and deionized water into a stirring device and stirring to obtain two uniform geopolymer slurry respectively, filling and covering the first geopolymer slurry on the pores and surface of a stainless steel screen by dipping-pulling method and curing to obtain composite film support, dispersing graphene oxide in the second part of geopolymer slurry by the action of ultrasonic wave and vigorous stirring under ice water bath condition to obtain mixed slurry, ultrasonic defoaming, then uniformly coating the mixed slurry on the surface of the inorganic composite film support by dip coating, and then heat curing to obtain final product, where the mass ratio between deionized water and fly ash is 0.4-0.8, the ratio between water and sodium is 5:2, and the amount of graphene oxide used in the second part of geopolymer slurry is 0.1-0.2 wt.%. USE - The method is useful for preparing baking-free inorganic composite film. ADVANTAGE - The method: is simple and feasible; has low cost; does not requires high temperature sintering; and prepares inorganic composite film with low cost.