Aliphatic polyester multi-filament crimp yarn for a carpet, and production method thereof
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United States of America Patent
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Aug 3, 2010
Grant Date -
Sep 23, 2004
app pub date -
Apr 2, 2004
filing date -
Nov 8, 2002
priority date (Note) -
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Abstract
The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimp elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
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