MELT SPINNING RESIN COMPOSITION, MANUFACTURING METHOD FOR SAME, AND FIBER MANUFACTURING METHOD
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United States of America Patent
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Apr 25, 2024
app pub date -
Dec 11, 2023
filing date -
Dec 11, 2023
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Abstract
The resin composition for melt spinning of the present invention is a filament having a melt viscosity of 250 Pa·s or less at 200° C. and a shear rate of 0.1 s−1 and a tensile strength of 10 MPa or more. The filament can be produced by forming a molten liquid of a resin composition having a melt viscosity of 250 Pa·s or less at 200° C. and a shear rate of 0.1 s−1 into a filament shape to provide a formed material, and conveying and concurrently cooling the formed material. The present invention also provides a resin composition for melt spinning being a filament, and a method for producing fiber using a melt spinning apparatus.
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