Dyeing and fire retardant treatment for nomex
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United States of America Patent
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Jun 21, 1988
Grant Date -
N/A
app pub date -
Jun 6, 1986
filing date -
Jun 6, 1986
priority date (Note) -
Expired
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Abstract
Poly(m-phenyleneisophthalamide) fibers are simultaneously dyed and imparted improved flame retardant properties with a fire retardant liquid in which a disperse or acid dye is dissolved. Fabrics thus dyed and FR treated exhibit no afterglow when exposed to an open flame and a Limiting Oxygen Index greater than their undyed counterparts.
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