• 专利标题:   Preparing reduced graphene oxide/aluminum anticorrosive material for corrosion protection comprises e.g. dispersing graphene oxide in deionized water to obtain graphene oxide coating solution, evaporating solvent, heating, adhering to aluminum substrate, heat-treating and rolling.
  • 专利号:   CN115975423-A
  • 发明人:   GUAN R, YANG D, YANG Z, FAN L, ZHANG J
  • 专利权人:   UNIV DALIAN JIAOTONG
  • 国际专利分类:   C01B032/19, C01B032/194, C09D001/00, C09D005/10
  • 专利详细信息:   CN115975423-A 18 Apr 2023 C09D-005/10 202342 Chinese
  • 申请详细信息:   CN115975423-A CN10081491 08 Feb 2023
  • 优先权号:   CN10081491

▎ 摘  要

NOVELTY - Preparing reduced graphene oxide/aluminum anticorrosion material comprises (i) ultrasonically dispersing graphene oxide in deionized water to obtain a graphene oxide solution, (ii) coating the graphene oxide solution of step (i), evaporating solvent to obtain graphene oxide film, (iii) heating the graphene oxide film under an inert and reducing mixed atmosphere to obtain a reduced graphene oxide film, and (iv) removing the surface oxide layer from a right-angled aluminum substrate with an acute angle of 35-50°, applying the reduced graphene oxide film of step (iii) to the hypotenuse of the aluminum substrate, heat treatment in an inert gas atmosphere, and rolling. USE - The method is useful for preparing reduced graphene oxide/aluminum anticorrosive material, which is used for corrosion protection, and in the field of industrial manufacturing. ADVANTAGE - The graphene/aluminum anti-corrosion material has low bonding strength with the substrate, and the distance between graphene layers cannot be regulated and reduced, graphene is dispersed unevenly, and the preparation process is complicated. The method is simple and efficient and environmentally-friendly, and has excellent corrosion protection effect. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: reduced graphene oxide/aluminum anti-corrosion material prepared by the above preparation method; and use of reduced graphene oxide/aluminum anti-corrosion material in the preparation of ocean-going navigation anti-corrosion material, comprising coating the reduced graphene oxide/aluminum anti-corrosion material, and evaporating the solvent to obtain a uniform coating, and uniformly coating the coating on the surface of pure aluminum or aluminum alloy material, and rolling and combining whole is to obtain an anti-corrosion coating.