热塑性聚氨酯弹性体 - 百度百科
热塑性聚氨酯弹性体又称热塑性聚氨酯橡胶，简称TPU，是一种 (AB)n型嵌段线性聚合物，A为高分子量（1000~6000）的 聚酯 或 聚醚，B为含2~12直链碳原子的二醇，AB链段间化学结构是 二异氰酸酯。 热塑性聚氨酯橡胶靠分子间氢键交联或大分子链间轻度交联，随着温度的升高或降低，这两种交联结构具有可逆性。 在熔融状态或溶液状态分子间力减弱，而冷却或溶剂挥发之后又有强的分子间力连接在一起，恢复原有固体的性能。 典型的TPU如 氨纶 等。 透明、半透明、透明黄 …
Thermoplastic polyurethane - Wikipedia
Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.
Thermoplastic Polyurethane (TPU) Material: Properties
What is thermoplastic polyurethane (TPU)? Thermoplastic polyurethane (TPU) is a melt-processable thermoplastic elastomer with high durability and flexibility. It provides several physical and chemical property combinations for demanding applications. Some examples include: automotive, wires and cables,
What Is Thermoplastic Polyurethane (TPU)? - How-To Geek
2022年4月14日 · TPU can be quite thin and retain its strength. The combination of elasticity and strength makes TPU a good choice for protective cases since the material won't crack, tear, or break under the types of forces a dropped device is normally subjected to. Related: What Is MIL-SPEC Drop Protection?
Thermoplastic polyurethane (TPU) is a unique category of plastic created when a polyaddition reaction occurs between a diisocyanate and one or more diols. First developed in 1937, this versatile polymer is soft and processable when heated, hard when cooled and capable of being reprocessed multiple times without losing structural integrity.
Unlocking the Versatility of Thermoplastic Polyurethane (TPU)
Thermoplastic Polyurethane (TPU) is a versatile and resilient thermoplastic elastomer known for its exceptional elasticity, transparency, and resistance to oil, grease, and abrasion. Its unique combination of properties makes TPU a popular choice in a variety of industries, from automotive to consumer electronics.
Thermoplastic polyurethanes: synthesis, fabrication techniques, …
2024年1月18日 · Thermoplastic polyurethanes (TPUs) are rubber-like materials, but they can be processed and reprocessed at elevated temperatures due to their thermoplastic nature.
热塑性聚氨酯 - 创新材料解决方案 | Covestro
我们的产品系列包括具有不同硬度水平、机械性能、耐化学性和 UV 稳定性的 TPU 等级。 无论您需要柔软柔韧的鞋类 TPU，还是坚硬坚韧的工业应用 TPU，我们的产品选择都能确保为您提供适合您特定需求的 TPU 树脂。 了解生产 TPU 用的各种制造技术。 熔化加工包括熔化 TPU 颗粒，然后将其注塑成型或挤压成所需的形状。 溶液加工包括将 TPU 溶于溶剂中，然后将其浇铸或涂覆到基底上，然后再蒸发溶剂。 每种制造工艺都有特定的优势，可根据所需的最终产品要求进行 …
Understanding TPU Plastic: Properties, Applications, and Processing
What is TPU Plastic? TPU, or Thermoplastic Polyurethane, is a versatile material that combines the best properties of both plastics and rubbers. It’s known for its durability, flexibility, and high tensile strength, making it useful in many demanding applications, from automotive to textiles.
What is TPU | Thermoplastic Polyurethane Materials - HEXPOL
TPU or Thermoplastic Polyurethane are a category of plastic created when a polyaddition reaction occurs between diisocyanate and one or more diols. They can be used as a soft engineering plastic or as a replacement for hard rubber.
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