CELLULOSE ACETATE FIBER BLENDS FOR THERMAL INSULATION BATTING

A fiber blend comprising a staple fiber formed from cellulose acetate and a binder fiber. The staple fiber has a crimp frequency of 10 to 30 crimps per inch (CPI), a cut length of 55 mm or less, and a non-round cross-sectional shape. The blend can be made into nonwoven webs for heat-bonding and subs...

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Hauptverfasser: CHAMBERS, Loren William, EDWARDS, Brian Tyndall, EVERETT, Charles Stuart, STEACH, Jeremy Kenneth
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A fiber blend comprising a staple fiber formed from cellulose acetate and a binder fiber. The staple fiber has a crimp frequency of 10 to 30 crimps per inch (CPI), a cut length of 55 mm or less, and a non-round cross-sectional shape. The blend can be made into nonwoven webs for heat-bonding and subsequent use as thermal insulation in, e.g., outerwear, bedding, etc. The cellulose acetate fibers provide superior thermal insulation clo value relative to at equivalent loft.