| US 7,592,277 B2 | ||
| Nanofiber mats and production methods thereof | ||
| Anthony L. Andrady, Apex, N.C. (US); David S. Ensor, Chapel Hill, N.C. (US); Teri A. Walker, Durham, N.C. (US); and Purva Prabhu, Morrisville, N.C. (US) | ||
| Assigned to Research Triangle Institute, Research Triangle Park, N.C. (US) | ||
| Filed on May 17, 2005, as Appl. No. 11/130,269. | ||
| Prior Publication US 2006/0264140 A1, Nov. 23, 2006 | ||
| Int. Cl. D04H 1/00 (2006.01); D04H 13/00 (2006.01); D04H 3/00 (2006.01); D04H 5/00 (2006.01) | ||
| U.S. Cl. 442—340 [442/327; 442/341; 442/350; 442/351; 442/401; 442/381; 442/382; 442/409; 442/411; 442/414; 442/415; 442/417; 428/357; 428/364; 428/365; 428/401] | 36 Claims |
| 1. A mat of fibers, comprising:
a plurality of intermixed first and second electrospun fibers comprising oppositely charged nanofibers; and
a first region including said plurality of intermixed fibers, the first and second electrospun fibers having an average of
diameters (d) less than 500 nm; and
an average separation distance between the first and second fibers is equal to or proximate to d.
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