The invention provides a high-strength and high-flame-retardant TPU composite material and its preparation method, aiming to solve the flammability and toxic smoke emission problems of traditional TPU. The preparation process includes three key steps: S1, mixing TPU particles with multiple flame retardants and reinforcing materials, heating and stirring in a drying tank, and compounding into modified TPU pellets by a twin-screw extruder; S2, blending the pellets with functional auxiliaries and preparing high-performance flame-retardant TPU through vacuum drying; S3, thermally laminating the composite with chemically treated polyester yarns to obtain the final product. With the addition of eco-friendly flame retardants and reinforcing fibers, the material achieves excellent fire resistance while retaining the elasticity and flexibility of TPU, meeting strict fire safety standards.
Area Code: CN
Application Number: CN202411819587.9
