High-strength high-temperature-resistant flame-retardant ceiling and preparation method thereof

The invention relates to the technical field of polyurethane materials, and discloses a high-strength high-temperature-resistant flame-retardant ceiling and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing glucose modified castor oil polyol, flame-retardant modified castor oil polyol, toughening modified castor oil polyol, dihydroxy castor oil, a foaming agent, triethylene diamine, a silicone oil foam stabilizer and deionized water to obtain a raw material A; uniformly mixing the isocyanate modified graphene oxide and polymethylene polyphenyl polyisocyanate to obtain a raw material B; and adding the raw material B into the raw material A, stirring for 8-15 seconds, injecting into a mold, and closing the mold for foaming to obtain the high-strength high-temperature-resistant flame-retardant ceiling. 本发明涉及聚氨酯材料技术领域，公开了一种高强度耐高温阻燃天花板及其制备方法；将葡萄糖改性蓖麻油多元醇、阻燃改性蓖麻油多元醇、增韧改性蓖麻油多元醇、二羟基蓖麻油、发泡剂、三乙烯二胺、硅油泡沫稳定剂、去离子水混合均匀，得到原料A；将异氰酸酯改性氧化石墨烯和多亚甲基多苯基多异氰酸酯混合均匀，得到原料B；将原料B加入原料A中，搅拌