NYLON CARPET FIBERS HAVING BLEACH RESISTANCE
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
May 11, 2010
filing date -
May 11, 2009
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a nylon yarn of a finely dispersed melt blended polymer alloy having i) a polyamide component selected from polyhexamethyleneadipamide, polycaprolactam and mixtures thereof, and ii) a nylon 11 component; wherein the polyamide component is the major component by weight of the total melt blended polymer and wherein the polyamide component has a viscosity of about 2.6 IV or more as measured in 96% sulfuric acid. The resulting nylon yarn shows improved bleach resistance. The present invention also relates to processes of producing the yarn and nylon carpets comprising the yarn described above.
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