• 专利标题:   Preparation of electromagnetic shielding conductive foam involves mixing dodecane diamine graft-modified graphene, mixed solution, and polyurethane foam, reacting, washing, drying to form modified polyurethane foam, cutting, and wrapping.
  • 专利号:   CN111286077-A
  • 发明人:   TANG Q
  • 专利权人:   NINGGUO QIANHONG ELECTRONICS CO LTD
  • 国际专利分类:   C08J009/36, C08J009/40, C08L075/04, H05K009/00
  • 专利详细信息:   CN111286077-A 16 Jun 2020 C08J-009/36 202055 Pages: 7 Chinese
  • 申请详细信息:   CN111286077-A CN10097000 17 Feb 2020
  • 优先权号:   CN10097000

▎ 摘  要

NOVELTY - Preparation of electromagnetic shielding conductive foam involves using graphene oxide and dodecane diamine in the mass ratio of 1:1.4-2, adding graphene oxide to distilled water, mixing to obtain graphene solution, dissolving dodecane diamine in ethanol solution, adding graphene solution, reacting at 80-90 degrees C for 20-26 hours, filtering, washing, drying to obtain dodecane diamine graft modified graphene, adding the dodecane diamine graft-modified graphene to mixed solution of absolute ethanol and cyclohexane in the ratio of 1:3-6, ultrasonically mixing, adding polyurethane foam, reacting at 90-100 degrees C for 2-3 hours, washing several times, drying to obtain modified polyurethane foam, cutting the modified polyurethane foam, and wrapping with conductive fiber cloth on the surface of the cut polyurethane foam. USE - Preparation of electromagnetic shielding conductive foam. ADVANTAGE - The prepared electromagnetic shielding conductive foam has excellent high temperature resistance and moisture resistance, is conducive to work for long-term in hot and humid atmosphere, has high pressure, and frequent occasions where switch is connected and hinged. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for electromagnetic shielding conductive foam, which comprises modified polyurethane foam in the middle and conductive fiber cloth wrapped on the surface of the modified polyurethane foam.