• 专利标题:   Graphene/pin zinc oxide crystal whisker composite wave-absorbing material comprises graphene, needle zinc oxide whisker, and epoxy resin adhesive in which components are mixed to form complete electric conduction network.
  • 专利号:   CN104099062-A, CN104099062-B
  • 发明人:   DING Y, LIAO Q, ZHANG G, ZHANG Y, ZHANG L, ZHANG X
  • 专利权人:   UNIV BEIJING SCI TECHNOLOGY, UNIV BEIJING SCI TECHNOLOGY
  • 国际专利分类:   C09K003/00
  • 专利详细信息:   CN104099062-A 15 Oct 2014 C09K-003/00 201503 Pages: 7 Chinese
  • 申请详细信息:   CN104099062-A CN10313325 02 Jul 2014
  • 优先权号:   CN10313325

▎ 摘  要

NOVELTY - A graphene/4-pin zinc oxide crystal whisker composite wave-absorbing material contains 4-8 mass% graphene, 8-12 mass% 4-needle zinc oxide whisker, and 80-88 mass% epoxy resin adhesive in which components are mixed to form complete electric conduction network. USE - A graphene/pin zinc oxide crystal whisker composite wave-absorbing material (claimed). ADVANTAGE - Product has strong wave absorbing frequency band and absorbs high frequency, and preparation process reduces production cost, is simple, and has short reaction time. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene/4-pin zinc oxide crystal whisker composite wave-absorbing material which involves using natural crystalline flake graphite as raw material, using Hummers method preparation of graphene oxide, obtaining reduced graphene oxide, dispersing in alcohol solution, performing ultrasonic treatment for 3-5 hours, obtaining reduced graphene oxide dispersion liquid with concentration of 0.3-0.6 mg/ml, adding 4-needle shaped zinc oxide crystal whisker into graphene oxide dispersion liquid, magnetically stirring at 400 to 600 rpm/minute and 20-40 degrees C for 30-40 minutes, drying in oven while lightly stirring until dry, and holding at 60-8 degrees C for 6-8 hours. DESCRIPTION OF DRAWING(S) - The drawing shows a graph of absorbing properties of graphene/4-pin zinc oxide crystal whisker composite wave-absorbing material. (Drawing includes non-English language text).