Fabrication of nanofibers as dry adhesives and applications of the same

Fabrication of nanofibers as dry adhesives and applications of the same

A dry adhesive including a non-woven fabric of nanofibers comprising a polymeric material. The nanofibers include an average diameter within a range of from 50 nm to 10000 nm, and the non-woven fabric of nanofibers has a thickness within a range of from 0.1 μm to 100 μm. The dry adhesive has a shear...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Najem, Johnny F, Wong, Shing-Chung Josh, Chen, Pei
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
BRAIDING
CHEMISTRY
COTTON-WOOL
DYES
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
NON-WOVEN FABRICS
PAINTS
POLISHES
TEXTILES
TRIMMINGS
USE OF MATERIALS AS ADHESIVES
WADDING
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Beschreibung
Zusammenfassung:A dry adhesive including a non-woven fabric of nanofibers comprising a polymeric material. The nanofibers include an average diameter within a range of from 50 nm to 10000 nm, and the non-woven fabric of nanofibers has a thickness within a range of from 0.1 μm to 100 μm. The dry adhesive has a shear adhesion strength that is higher than the normal adhesion strength. Additionally disclosed is a dry adhesive fiber mat including substantially aligned fibers extending lengthwise from a first region to a second region, each of the fibers having a diameter that is less than or equal to 10 microns. The dry adhesive fiber mat is selectively repositionable to, from, and between a mechanically interlocked state wherein the fibers at the first region are intimately positioned within void spaces between the fibers at the second region and a separated state not intimately positioned as such.