• 专利标题:   Preparation of high dispersion and high corrosion resistant graphene coating material involves using focused ion beam particles to sputter etched silicon carbide ceramic to gallium ion as ion source, controlling ion beam stream size.
  • 专利号:   CN107619617-A, CN107619617-B
  • 发明人:   CHEN Q, ZAN H, GAO C
  • 专利权人:   CHENGDU NEW KELI CHEM SCI CO LTD, JIANGXI GAOJING TECHNOLOGY CO LTD
  • 国际专利分类:   C09D005/08
  • 专利详细信息:   CN107619617-A 23 Jan 2018 C09D-005/08 201820 Pages: 8 Chinese
  • 申请详细信息:   CN107619617-A CN11027145 27 Oct 2017
  • 优先权号:   CN11027145

▎ 摘  要

NOVELTY - A high dispersion and high corrosion resistant graphene coating material is prepared by using focused ion beam particles to sputter etched silicon carbide ceramic to gallium ion as ion source, controlling ion beam stream size, forming inverted trapezoid onto silicon carbide surface pits, obtaining high aperture ratio of silicon carbide carrier, placing onto quartz plate, covering with zinc powder layer, spreading with graphite powder, putting into quartz boat, pumping nitrogen and oxygen gases, sintering, annealing, stopping inletting of nitrogen and oxygen gases, introducing methane gas. USE - Method for preparing high dispersion and high corrosion resistant graphene coating material (claimed). ADVANTAGE - The product has good dispersibility, strong binding, high load rate, and improved acid and alkali corrosion resistance. The method is simple, convenient and low-cost. DETAILED DESCRIPTION - A high dispersion and high corrosion resistant graphite coating material is prepared by using focused ion beam particles to sputter etched silicon carbide ceramic to gallium ion as ion source, controlling ion beam stream size, forming inverted trapezoid onto silicon carbide surface pits, obtaining high aperture ratio of silicon carbide carrier, placing onto quartz plate, covering with zinc powder layer, spreading with graphite powder, putting into quartz boat, pumping nitrogen and oxygen gases, sintering, annealing, stopping inletting of nitrogen and oxygen gases, introducing methane gas, reacting, stopping introduction of methane gas, cooling to room temperature under protection of argon and hydrogen atmosphere, obtaining acid-alkali resistant filler, adding paint, and mixing and coating.