Low-flammability safety belts containing phosphorus-modified polyester fibers and use of these polyester fibers for manufacturing safety belts
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United States of America Patent
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Feb 3, 1998
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N/A
app pub date -
Oct 11, 1996
filing date -
Oct 11, 1995
priority date (Note) -
Expired
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Abstract
A safety belt is made of a fabric of high-tenacity filament yarns made of phosphorus-modified copolyester having a yarn linear density of less than 2000 dtex, having a single-fiber linear density of less than or equal to 25 dtex and having a breaking elongation of less than 30%. The phosphorus-modified copolyester contains a bifunctional phosphorus compound in an amount of 0.1% to 5% by weight, based on the amount of phosphorus, in the polymer chain.
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