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US 9,499,929 B2Granted
High-loft nonwoven including stabilizer or binder
AssigneeInvista North America S.A.R.L.
InventorDouglas K. Farmer
Life of this patent
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Abstract
The present invention is directed to a high-loft nonwoven including a binder or stabilizer including a polyurethaneurea composition that provides flexibility and compression recovery to the nonwoven structure. Included is a polyurethaneurea dispersion as a stabilizer or binder for the short-length fibers which create the high-loft nonwoven structure. The invention is useful as an improved alternative for such things as polyurethane foam in applications such as bra cups.
Claims9
An article comprising:
- (a) a high-loft nonwoven fiberfill comprising polyester, wherein said polyester comprises a bicomponent fiber comprising a combination selected from the group consisting of polyethylene/polyester, polypropylene/polyester, copolyester/polyester, and combinations thereof;
- and
- (b) a polyurethaneurea composition, wherein said polyurethaneurea composition is from an aqueous dispersion or solvent-free aqueous dispersion.
Dependencies are inferred from the claim text.