TPU film is a film made on the basis of TPU granules through special processes such as calendering, casting, blown film, and coating. Thickness 0.01 to 2mm.
TPU (Thermoplastic polyurethanes), thermoplastic TPU elastomer, is made of MDI containing NCO functional group and POLYOL and 1.4BG containing OH functional group, which is made by extrusion and mixing, due to good elasticity, good physical properties and good mechanical strength, therefore, it is widely used in injection, extrusion, calendering and dissolving into solution resin and other processing methods, and is a plastic material often used by plastic processing industry. Its manufactured products cover a wide range of industrial applications and civil necessities.
In recent years, due to the continuous development of new products, the amount of thermoplastic PU elastomer is continuously increasing, creating new opportunities for the plastic processing industry to create low-cost and high-value-added industries.
TPU (thermoplastic polyurethane) is becoming increasingly popular due to its superior performance and environmental concept. At present, wherever PVC is used, TPU can become a substitute for PVC. However, the advantages of TPU are beyond the reach of PVC. TPU not only has excellent characteristics of high tensile strength, high tensile strength, toughness and aging resistance, but also is a mature environmentally friendly material. At present, TPU has been widely used in: shoe materials, garments, inflatable toys, water and underwater sports equipment, medical equipment, fitness equipment, car seat materials, umbrellas, suitcases, bags, etc.
TPU film is made on the basis of TPU granular material, through calendering, casting, blowing, coating and other processes. At present, it is widely used in sports shoes: trademark decoration on soles and uppers, airbags, air cushions, oil packs, etc.
Nowadays, there are two trends in the application of TPU film in sports shoes: one is the popular trend of women's sandals, that is, the highly transparent TPU film is directly cut, or screen printed and colored, or laminated with the cloth base into a sandwich mesh, etc., and the high frequency is formed and bonded to the upper, which has a functional and decorative effect. The second is to use the waterproof and moisture-permeable TPU film to fit the shoe material cloth to achieve the effect of waterproof and moisture-permeable.