• 专利标题:   Preparing graphene/titanium dioxide complex coating comprises e.g. dispersing graphene-based substance in water, ultrasonicizing to obtain graphene-based substance dispersion, adding titanium dioxide, stirring and ultrasonicating.
  • 专利号:   CN108624203-A
  • 发明人:   TANG D, LV D, QU L, TIAN M, WANG S, MA J, XU R
  • 专利权人:   UNIV QINGDAO, SHANDONG SHENGQUAN NEW MATERIALS CO LTD
  • 国际专利分类:   C09D175/04, C09D005/14, C09D005/16
  • 专利详细信息:   CN108624203-A 09 Oct 2018 C09D-175/04 201877 Pages: 14 Chinese
  • 申请详细信息:   CN108624203-A CN10157054 16 Mar 2017
  • 优先权号:   CN10157054

▎ 摘  要

NOVELTY - Preparing graphene/titanium dioxide complex coating comprises (i) dispersing graphene-based substance in water, ultrasonicizing to obtain graphene-based substance dispersion, where graphene-based substance is graphene oxide or biomass grapheme, (ii) adding titanium dioxide in graphene-based material dispersion, stirring, ultrasonicating, centrifuging, and drying to obtain graphene-based solid powder of titanium dioxide powder, (iii) adding graphene-based solid powder of titanium dioxide powder in water, adding reducing agent, washing by water, centrifuging, and drying to obtain graphene/titanium dioxide complex material, (iv) adding water in graphene/titanium dioxide complex material, and ultrasonically dispersing to obtain graphene/titanium dioxide complex material dispersion, and (v) adding graphene/titanium dioxide complex material dispersion and aqueous polyurethane in water and ultrasonically dispersing to obtain graphene/titanium dioxide complex coating with 20-60% solid content. USE - The method is useful for preparing graphene/titanium dioxide complex coating. ADVANTAGE - The complex coating has high stability, good dispersibility, formaldehyde adsorption capacity, photocatalytic self-cleaning property, good antibacterial and anti-aging effect and good adhesive property.