SUPER-HYDROPHOBIC FIBER HAVING NEEDLE-SHAPED NANO STRUCTURE ON ITS SURFACE, METHOD FOR FABRICATING THE SAME AND FIBER PRODUCT COMPRISING THE SAME
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United States of America Patent
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Issued Date -
Jul 9, 2015
app pub date -
Jan 2, 2015
filing date -
Jan 3, 2014
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Abstract
A super-hydrophobic fiber of the present disclosure includes: a nano-needle fiber having a surface including needle-shaped nano structures; and a coating layer disposed on the surface including the nano structures, and containing a hydrophobic material. The fiber has no aging effect, and thus, is excellent in durability, and has such a large contact angle and such as small sliding angle that the fiber may not be wet with water. A method for fabricating the super-hydrophobic fiber includes: a preparation step of preparing a pre-treating fiber; an etching step of etching a surface and an inner portion of the pre-treating fiber to fabricate a nano-needle fiber having a surface on which needle-shaped nano structures are formed; and a coating step of forming a coating layer containing a hydrophobic material, and enables mass production and is performed by simple processes.
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