WATER AND OIL ULTRA-REPELLENT STRUCTURE AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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Issued Date -
Dec 24, 2015
app pub date -
Feb 6, 2014
filing date -
Feb 8, 2013
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Abstract
Provided are a superhydrophobic/superoleophobic structure and a method of manufacturing the superhydrophobic/superoleophobic structure. The superhydrophobic/superoleophobic structure includes: a roughened primary structure formed on a surface of a metal base; nanopores formed in the roughened primary structure; and a hydrophobic/oleophobic layer formed on a surface of the roughened primary structure. The superhydrophobic/superoleophobic structure makes a large contact angle and a small sliding angle with both aqueous solutions and oily solutions, thereby having a high degree of superhydrophobicity/superoleophobicity. In addition, the superhydrophobic/superoleophobic structure may be formed on large or curved structural objects by the manufacturing method without using a special device.
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