| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flat yarn having high strength, high modulus of elasticity and excellent in solvent resistance, heat resistance and flexing fatigue resistance. <P>SOLUTION: The flat yarn comprises a polyoxymethylene copolymer containing 0.5-10 mol specific oxyalkylen unit per 100 mol oxymethylene unit in a polymer chain comprising oxymethylene unit as a principal repeating unit and having 0.3-20 g/10 minutes melt index (at 190°C, under 2160 g load). <P>COPYRIGHT: (C)2003,JPO |
