Polyoxymethylene fiber and method for production thereof
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United States of America Patent
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Nov 16, 2004
Grant Date -
Sep 9, 2004
app pub date -
Feb 3, 2004
filing date -
Sep 18, 2001
priority date (Note) -
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Abstract
Polyoxymethylene fiber having a high strength and a high modulus of elasticity is provided. Polyoxymethylene fiber comprising polyoxymethylene copolymer having a half-crystallization time of at least 30 sec, when the polyoxymethylene copolymer is cooled from a melted state at 200.degree. C. to 150.degree. C. at a cooling speed of 80.degree. C./min and maintained constantly at the temperature of 150.degree. C.
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