• 专利标题:   Anti-static graphene coating includes graphene powder, terpene resin, epoxy-modified polyurethane resin, sodium polyphosphate, zirconium silicate, vanadium diboride, Arabic gum, cyclodextrin, cetyl alcohol, and nano-attapulgite clay.
  • 专利号:   CN106010060-A
  • 发明人:   PENG X
  • 专利权人:   SUZHOU FIRST INFORMATION TECHNOLOGY CO
  • 国际专利分类:   C09D145/00, C09D175/04, C09D005/24, C09D007/12
  • 专利详细信息:   CN106010060-A 12 Oct 2016 C09D-145/00 201709 Pages: 7 Chinese
  • 申请详细信息:   CN106010060-A CN10447055 21 Jun 2016
  • 优先权号:   CN10447055

▎ 摘  要

NOVELTY - An anti-static graphene coating comprises 7-15 pts. wt. graphene powder, 24-32 pts. wt. terpene resin, 16-28 pts. wt. epoxy-modified polyurethane resin, 4-9 pts. wt. sodium polyphosphate, 2-5 pts. wt. zirconium silicate, 3-6 pts. wt. vanadium diboride, 2-5 pts. wt. Arabic gum, 2-6 pts. wt. cyclodextrin, 1-5 pts. wt. cetyl alcohol, 3-6 pts. wt. sodium benzoate, 4-8 pts. wt. nano-attapulgite clay, 1-2 pts. wt. isooctyltin dimethyldithioglycolate, 3-7 pts. wt. magnesium sulfate, 4-9 pts. wt. butylhydroxyanisole, and 1-5 pts. wt. isobutyltriethoxysilane coupling agent. USE - Anti-static graphene coating. ADVANTAGE - The anti-static graphene has surface resistance of less than 8x 103 omega , good antistatic property, high hardness, strong adhesive force, high impact strength, scratch resistance, long service life, good comprehensive performance, simple preparation, and low manufacturing cost. DETAILED DESCRIPTION - An anti-static graphene coating comprises 7-15 pts. wt. graphene powder, 24-32 pts. wt. terpene resin, 16-28 pts. wt. epoxy-modified polyurethane resin, 4-9 pts. wt. sodium polyphosphate, 2-5 pts. wt. zirconium silicate, 3-6 pts. wt. vanadium diboride, 2-5 pts. wt. Arabic gum, 2-6 pts. wt. cyclodextrin, 1-5 pts. wt. cetyl alcohol, 3-6 pts. wt. sodium benzoate, 4-8 pts. wt. nano-attapulgite clay, 1-2 pts. wt. isooctyltin dimethyldithioglycolate, 3-7 pts. wt. magnesium sulfate, 4-9 pts. wt. butylhydroxyanisole, 1-5 pts. wt. isobutyltriethoxysilane coupling agent, 2-6 pts. wt. gamma -mercaptopropyltrimethoxysilane, 4-7 pts. wt. leveling agent, and 60-100 pts. wt. solvent. The solvent comprises ethanol, isopropanol butyl acetate and N,N-dimethylformamide at mass ratio of 1-4:2-5:0.5-2:1-3. An INDEPENDENT CLAIM is included for preparation of anti-static graphene coating comprising: (A) mixing graphene powder and N,N-dimethylformamide, ultrasonically dispersing, adding isobutyltriethoxysilane coupling agent, ultrasonicalluy dispersing for 5-15 minutes, heating to 60-80 degrees C for 8-16 hours, and cooling to room temperature to obtain modified graphene dispersion liquid; (B) adding stirring tank with terpene resin and epoxy-modified polyurethane resin, heating to 50-70 degrees C, stirring for 15-30 minutes at speed of 500-1200 revolutions/minute (rpm), adding isopropanol and butyl acetate, and stirring at speed of 650 rpm for 30 minutes to obtain first mixed solution; (C) mixing gamma -mercaptopropyltrimethoxysilane and ethanol, adding sodium polyphosphate, zirconium silicate, vanadium diboride and nano+attapulgite clay, ultrasonically dispersing for 30 minutes, adding into high-speed mixer together with modified graphene dispersion liquid and first mixed solution, and stirring at speed of 700-1200 rpm for 10-35 minutes; (D) adding sodium benzoate, isooctyltin dimethyldithioglycolate, magnesium sulfate and butylhydroxyanisole, and stirring at speed of 1000-1500 rpm for 15-35 minutes; and (E) adding remaining raw materials, stirring at speed of 300-600 rpm for 20-35minutes, grinding, and defoaming.