• 专利标题:   Method for preparing carbon-based wave-absorbing coating involves oxidizing and reducing the carbon nano tube in sequence to obtain reduced-oxidized carbon nano tube, adding the reduced carbon oxide nanotube and the carbon black/reduced graphene oxide composite absorbent into aqueous polymer resin.
  • 专利号:   CN114591645-A, CN114591645-B
  • 发明人:   LIU C, SU X, LI H, HOU G, BI S
  • 专利权人:   UNIV ROCKET FORCE ENG PLA, UNIV ROCKET FORCE ENG CHINESE PEOPLES
  • 国际专利分类:   B32B003/12, B32B033/00, B32B009/00, B32B009/04, C09D163/00, C09D175/04, C09D179/08, C09D005/32
  • 专利详细信息:   CN114591645-A 07 Jun 2022 C09D-005/32 202271 Chinese
  • 申请详细信息:   CN114591645-A CN10207229 04 Mar 2022
  • 优先权号:   CN10207229

▎ 摘  要

NOVELTY - Method for preparing carbon-based wave-absorbing coating involves oxidizing and reducing the carbon nano tube in sequence to obtain a reduced-oxidized carbon nano tube; adding graphene oxide into the carbon black dispersion liquid, uniformly mixing, adding a reducing agent, and reacting to obtain a carbon black/reduced graphene oxide composite absorbent; adding the reduced carbon oxide nanotube and the carbon black/reduced graphene oxide composite absorbent into aqueous polymer resin. USE - Method for preparing carbon-based wave-absorbing coating. ADVANTAGE - The height of the light three-layer honeycomb sandwich structure composite wave-absorbing material is less than 20 mm (in the embodiment, 15 mm), the light three-layer honeycomb sandwich structure composite wave-absorbing material has obvious height advantage compared with the honeycomb structure wave-absorbing material in the prior art, and full-band absorption can be basically realized within the radar frequency range of 2-18 GHz (less than-10 dB). DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: Carbon-based wave-absorbing coating; and Honeycomb sandwich structure composite wave-absorbing material, which comprises a carbon fiber plate, a prepreg, an adhesive film, a honeycomb core and a quartz plate which are sequentially arranged, where the honeycomb core is impregnated with the carbon-based wave-absorbing coating.