TPU (thermoplastic polyurethane) is becoming more and more popular because of its superior performance and environmental protection concept. Where PVC is used, TPU can replace PVC. But the advantage of TPU, PVC is far behind.
TPU not only has excellent characteristics of high tensile strength, high toughness and aging resistance, but also is a mature environmental protection material.
TPU has been widely used in shoes, clothing, inflatable toys, underwater sports equipment, medical equipment, fitness equipment, car seat materials, umbrellas, suitcases, wallets and so on.
On the basis of TPU particles, TPU film is made into thin film by calendering, tape casting, film blowing and coating. Widely used in sports shoes: trademark decoration of soles and uppers, airbags, air cushions, oil bags and so on.
Nowadays, there are two trends in the application of TPU film in sports shoes:
The first is the popular trend caused by women's sandals, that is, the highly transparent TPU film is directly cut, printed and colored by screen printing, or pasted on the cloth base to form sandwich cloth. , high-frequency molding, attached to the upper, with functional and decorative effects.
Secondly, the waterproof and moisture-permeable TPU film is used with shoe material cloth to achieve the waterproof and moisture-permeable effect.