热塑性聚氨酯（ TPU ）是一种兼具橡胶弹性和塑料加工性能的高分子材料，其分子结构由聚酯 / 聚醚多元醇软 段与二异氰酸酯 - 扩链剂硬段交替排列形。在消费电子领域， TPU 材料主要用于防护类： 手机壳 / 智能手表表 带（需通过 300 万次折叠测试）；功能件 ：电子连接器密封圈、线缆护套（耐弯折 >10 万次）；结构件 ：折 叠屏铰链缓冲层（自修复 TPU 材料）等 。 热塑性聚氨酯（ TPU ）是一种由二苯甲烷二异氰酸酯（ MDI ）、甲苯二异氰酸酯（ TDI ）等二异氰酸酯类分 子与大分子多元醇（如聚醚、聚酯、聚己内酯）、扩链剂（如 1,4- 丁二醇）通过聚合反应生成的高分子弹性 体。其分子结构由软段（多元醇链段）和硬段（异氰酸酯与扩链剂形成的氨基甲酸酯链段）交替排列，赋予材 料高弹性、耐磨性、耐油性、耐化学腐蚀性、抗撕裂性及可热塑性加工等特性。 在消费电子场景中， TPU 需针对高频使用、精密结构、环境适应性、环保要求等特性进行优化，具体包括： 机械性能：高耐磨性（抵抗日常摩擦刮擦）、抗冲击性（保护电子元件）、耐弯折性（适应线缆、折叠屏铰链 的反复形变）、低压缩永久变形（维持长期形状稳定性）。 环 ...

Group 1 - The article highlights the potential of polyurethane materials in developing robotic "bionic skin," emphasizing the need for materials that are soft, biocompatible, and durable as humanoid robots become more prevalent in everyday settings [2] - WanHua Chemical has recently obtained a patent for a high-rebound, low-melting-point thermoplastic polyurethane elastomer, which aligns with the requirements for robotic skin [2] - Thermoplastic polyurethane (TPU) is noted for its excellent mechanical properties, including a wide hardness range, temperature resistance, and strong elasticity, making it suitable for flexible tactile sensors in humanoid robots [2] Group 2 - The solid-state battery industry is experiencing significant advancements, with multiple leading companies announcing mass production plans [3] - Recent research breakthroughs in solid-state lithium metal batteries have been reported, including a new anion regulation technology that addresses contact issues between electrolytes and lithium electrodes [3] - Major battery manufacturers, such as CATL and EVE Energy, are actively pursuing solid-state battery projects, while several automotive companies are also accelerating the integration of solid-state batteries into their vehicles [3]