Polyester monofilament, method for producing same, and method for producing screen gauze using same
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United States of America Patent
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Issued Date -
Jul 21, 2011
app pub date -
Sep 10, 2009
filing date -
Sep 26, 2008
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Abandoned
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Abstract
There is provided a core-sheath bicomponent polyester monofilament, wherein a core component is composed of polyethylene terephthalate (PET) and a sheath component composed of PET having an intrinsic viscosity (IV) at least 0.2 lower than that of the core component, the polyester monofilament having a fineness of 3 to 8 dtex, a strength of 7.5 cN/dtex or more, a toughness (strength.times.elongation.sup.0.5) of 29 or more, and a longitudinal yarn fineness variation of 1.5% or less.
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