| abstract |
The invention discloses a modified epoxy resin reinforced polyurethane composite material and a preparation method and application thereof, wherein the modified epoxy resin reinforced polyurethane composite material comprises the following components: the polyurethane elastomer comprises a polyol component (A component) containing modified epoxy resin and an isocyanate-terminated prepolymer component (B component), wherein the molar ratio of hydroxyl (-OH) in the polyol component (A component) containing the modified epoxy resin to isocyanate (-NCO) in the isocyanate prepolymer component (B component) is (0.95-1.05): 1, and the polyurethane elastomer can be used for preparing a high-performance polyurethane elastomer. The filling particles have wide addition range, the particles with high filling amount can be effectively adhered without using an adhesive, and the prepared hybrid material has good elasticity, wide adjustable range of density and hardness and wide application. The addition of the epoxy resin improves the heat resistance of the hybrid material, so that the hybrid material can be applied to high-temperature environments. |