| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermoplastic polyurethane tube capable of improving heat resistance and enabling its use at high temperatures. SOLUTION: This thermoplastic polyurethane tube is made of a molding of polyol, low molecular weight diol, and diisocyanate and has a structure in which a hard segment formed by diisocyanate and a soft segment formed by polyol are separated from each other. Tube destruction stress at 80°C is 3.6 Mpa or more, bending stress at a kink point at room temperature is 3 to 5 N, and kink diameter is 10 to 13 mm. COPYRIGHT: (C)2006,JPO&NCIPI
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