Superhydrophobic surface arrangement, article comprising same, and method of manufacture thereof
AssigneeCity University of Hong Kong
InventorsZuankai WANG, Yahua Liu
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Abstract
The present invention is concerned with a superhydrophobic arrangement. The arrangement has an array of posts residing on a surface, the posts having an elongate configuration with a base portion and an upper portion. The posts have a height from 0.3 to 2 mm, a center to center distance of two adjacent the posts is from 0.1 to 0.4 mm, and surface of the posts is coated with hydrophobic nanoflowers.
Claims22
A superhydrophobic surface arrangement comprising an array of posts residing on a surface, said posts having an elongate configuration with a base portion at one end and an upper portion at an opposite end, wherein:
- said posts have a height from 0.3 to 2 mm;
- a center to center distance of two adjacent said posts is from 0.1 to 0.4 mm;
- and
- surface of said posts is coated with hydrophobic nanoflowers.
A method of manufacture of a superhydrophobic arrangement on a surface of a substrate, comprising steps of:
- forming an array of posts residing on the surface by wire cutting and cyclic chemical etching;
- and
- coating surface of said posts with hydrophobic nanoflowers;
- wherein:
- said posts have an elongate configuration with a base portion and an upper portion;
- said posts have a height from 0.3 to 2 mm;
- and
- a center to center distance of two adjacent said posts is from 0.1 to 0.4 mm.
Dependencies are inferred from the claim text.