Fireproof light graphene polymer material for aerospace as well as preparation method and application of fireproof light graphene polymer material

The invention discloses a fireproof light graphene polymer material for aerospace, which is prepared from the following raw materials in parts by mass: 60 to 80 parts of low-density polyethylene (LDPE), 2 to 5 parts of modified graphene, 30 to 38 parts of ethylene-vinyl acetate copolymer (EVA), 6 to 8 parts of aluminum sulfate, 5 to 7 parts of phenyl aluminum hypophosphite, 5 to 8 parts of water glass, 0.5 to 1 part of vinyl tri (beta-methoxyethoxy) silane and 7 to 9 parts of basic aluminum magnesium carbonate. Meanwhile, the invention discloses a preparation method and application of the fireproof light graphene polymer material for aerospace. The fireproof cable can form a synergistic fireproof effect when encountering fire, is excellent in flame retardant property, has an obvious lightweight effect, and can be widely applied to aerospace wires and cables. 本发明公开了一种航空航天用防火轻型石墨烯聚合物材料，包括以下质量份的原料，60~80份低密度聚乙烯LDPE、2~5份改性石墨烯、30~38份乙烯-醋酸乙烯脂共聚物EVA、6~8份硫酸铝、5~7份苯基次磷酸铝、5~8份水玻璃、0.5~1份乙烯基三（β-甲氧基乙氧基）硅烷和7~9份碱式碳酸铝镁。同时本发明公开