Aramid fluff
AssigneeE. I. DuPont de Nemours and Company
InventorThomas I. Bair
Life of this patent
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Abstract
A composition is disclosed which comprises a fluff of aramid fibers wherein some of the aramid fibers are in the form of balls of the fluff. The composition is particularly useful for insulation, absorption, cushioning, and the like.
Claims17
Aramid fiber fluff comprising aramid fibers with an extended length of 0.4 to 3 centimeters and having at least two out-of-plane crimps along their length, the fluff exhibiting a density of less than 0.08 g/cc at a load of 0.26 N/cm.sup.2.
Aramid fiber fluff comprising aramid fibers with an extended length of 0.4 to 3 centimeters and having at least two out-of-plane crimps along their length, the fluff exhibiting a density of less than 0.08 g/cc at a load of 0.26 N/cm.sup.2 and wherein there are more than 1 and less than 25 fluff balls per milligram of aramid fiber having a diameter of less than 10 millimeters.
A reusable liquid-absorbent sock comprising a porous fabric cover and a filler of aramid fluff comprising aramid fibers with an extended length of 0.4 to 3 centimeters and having at least two out-of-plane crimps along their length, the fluff exhibiting a density of less than 0.08 g/cc at a load of 0.26 N/cm.sup.2.
Dependencies are inferred from the claim text.