Post on 04-Apr-2022
Super-Hydrophobic
Sprays
Benjamin Tate and Dillon Stanhope
●definition - fear of water
●Often appears in people infected with
rabies
●Water repellent surfaces
Hydrophobia
●Can be found in nature○The lotus plant has formed hydrophobic
properties on its leaves
●Created using nanostructures
Hydrophobic Surfaces
● Hydrophilic surfaces - contact angle less than 90
degrees
● Hydrophobic surfaces - contact angle greater than 90
degrees
○ Superhydrophobic surfaces - Contact angle of 150
degrees
Hydrophobic Surfaces
●Wenzel○hydrophobic
●Cassie-Baxter○super-hydrophobic
Hydrophobic States
●Waterproof
●Anti-corrosive
●Anti-icing
●Self- cleaning
Applications
Active(MnO2/PS) nano-composite
(ZnO/PS) nano-composite
Precipitated calcium carbonate
Carbon nano-tube structures
Silica nano-coating
What’s in the Spray?
InactiveLiquified Petroleum Gas
Ethyl Acetate
Methyl Acetate
n-Butyl Acetate
●Consumer/Industrial
●2-3 Step System
●Not Permanent
NeverWet
●Single Step Application
●Paint on Coating
●Pre-Coated Products
Hydrobead
●Single Step Application
●Prioritizes Safety
LiquidOff
Coatings
Required
Drying
Time
Life-Time Price
NeverWet 2 12.5 hours Unknown $16.87
Hydrobead 1 20 minutes 1-3 years $19.50
LiquidOff 1 6-8 hours 1-3 years $39.99
http://www.asknature.org/strategy/714e970954253ace485abf1cee376ad8
http://www.neverwet.com/applications.php
http://www.rustoleum.com/en/product-catalog/consumer-brands/neverwet/neverwet-kit
http://www.hydrobead.com/#!howtohydrobead/c1a6d
http://www.livescience.com/42461-how-neverwet-coating-works.html
http://www.biolinscientific.com/attension/applications/?card=AA7
http://www.homedepot.com/catalog/pdfImages/9d/9d28a478-3317-4f42-8418-9e000bdbdfe6.pdf
Works Cited