Thermoplastic polyurethane elastomer are of polyester type and polyether type. White irregular spherical or columnar particles have a relative density of 1.10~1.25. The relative density of polyether type is smaller than that of polyester type.
Polyether type glass transition temperature was 100.6 ~ 106.1 ℃, polyester glass transition temperature of 108.9 ~ 122.8 ℃.
Polyether and polyester brittleness temperature below 62 ℃, polyether type low temperature resistant performance is better than that of polyester type.
The polyurethane thermoplastic elastomer is characterized by excellent wear resistance, excellent ozone resistance, great hardness, high strength, good elasticity, low temperature resistance, good oil resistance, chemical resistance and environmental resistance, and polyether ester hydrolytic stability is much higher than polyester type in humid environment.
Thermoplastic polyurethane elastomer is a rapidly developing industry, with new technologies, new products and new USES constantly emerging. The use of TPU extends to almost all industries, and it has been widely used in many fields, such as shoes, garments, pipes, thin films and sheets, cables, automobiles, construction, medicine and health, national defense, sports and leisure.
TPU is widely recognized as a new kind of polymer material with green environmental protection and excellent performance.
The TPU are mainly composed of low consumption, and its basic by some multinational companies dominate the high-end consumption areas, including Germany's bayer, basf, the United States lubrizol, huntsman to increase new product research and development efforts, TPU products with high added value constantly being developed and marketed, TPU material has become one of the fastest growing thermoplastic materials.
Footwear: Logo of athletic shoes, air mattress of athletic shoes, mountaineering shoes, snow shoes, golf shoes, ice skates, fabrics and inner adhesives.
Readymade garments: snowsuit, raincoat, windbreaker, winter jacket, field suit, diapers, physiological pants, and other fabric composites (waterproof and moisture permeable).
Medicines: surgical clothing, cap, shoes, hospital bed pad, ice bag, bandage, plasma bag, surgical bandage cloth, mask, and other fabrics and inner materials, operating bed air bag.
Defense supplies: aircraft fuel tanks, weapon seal mulch, tent Windows, military water bags, life jackets, inflatable boats and other fabrics and inner lining, air bags.
Sporting goods: soccer surface and inner bladder, inflatable bed, water bag, ski gloves (waterproof bag), diving suit, snowsuit, swimsuit, skis, trademark, air bag, sweatshirt, slimming suit and other fabrics and inner materials.
Industrial supplies: horn drum paper rubber edge, waterproof bar, sound insulation materials, fireproof materials, fireproof clothing, fireproof clothing, fireproof cloth and other fabrics and inner composite materials, wire and cable outer sheath materials.
Other USES: mobile phone keys, plastic inflatable toys, sheets, tablecloth, shower curtain, furniture cloth, apron, piano, computer keyboard, film covering and other materials and interior materials.
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