Damping material for sport protection and preparation method therefor

The invention provides a damping material for sport protection. The damping material for sport protection is prepared from the raw materials in parts by weight: 60-70 parts of rubber, 30-40 parts of modified polyurethane and 1-5 parts of anticorrosive antibacterial agent, wherein the modified polyurethane is prepared from the materials including polyether polyol, an isocyanate compound, a chain extender, ethylenediamine, modified graphene oxide and octa(aminophenyl trioxosilane); the modified graphene oxide is prepared through grafting lauramidopropyl hydroxy sulfobetaine and 2-hydroxy-2-carboxylphenyl benzoate to graphene oxide; and the rubber comprises one or both of natural rubber and chloroprene rubber. 本发明提供种运动防护减震材料，按重量份计算，所述运动防护减震材料的制备原料包括：60～70份橡胶，30～40份改性聚氨酯，1～5份防腐抗菌剂；其中，所述改性聚氨酯的制备材料包括聚醚多元醇、异氰酸酯化合物、扩链剂、乙二胺、改性氧化石墨烯、八(氨基苯基三氧硅烷)；所述改性氧化石墨烯为氧化石墨烯上接枝月桂酰胺丙基羟磺基甜菜碱和2-羟基苯甲酸-2-羧基苯基酯；所述橡胶为天然橡胶、氯丁橡胶中的种或多种。