Polyester yarn and production method thereof
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United States of America Patent
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Oct 24, 2017
Grant Date -
Oct 10, 2013
app pub date -
Dec 14, 2011
filing date -
Dec 15, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a polyester yarn that can be used in a fabric for an airbag. In particular, a polyester yarn having a diethylene glycol content of 1.1 to 2.5 wt % and initial modulus of 100 g/d or less, a production method thereof, and a fabric for an airbag produced therefrom are disclosed. The polyester yarn has excellent moisture and heat resistance and light resistance, and maintained excellent mechanical properties after long-term aging under high temperature and high humidity conditions. Therefore, when applied to a fabric for an airbag, the polyester yarn provides excellent packing property, shape stability, and gas barrier effect, and the impact applied to a passenger is minimized, thereby safely protecting the passenger at the same time.
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