2008-11-25

Materials that never get wet

clipped from www.nature.com
Behaviour of water drops on different surfaces.
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clipped from en.wikipedia.org
Superhydrophobicity
Superhydrophobic materials have surfaces that are extremely difficult to wet, with water contact angles in excess of 150°.
clipped from arstechnica.com
rose petal
A water droplet stuck to a rose petal
clipped from nanotechweb.org

Water-repellant wood

Water droplets on a wood surface treated with BASF's "Lotus Spray", which has made the surface extremely water-repellant (superhydrophobic).
clipped from www.youtube.com

How to Make Water Bounce

New Scientist


Nanotech clothing fabric 'never gets wet'

Lead researcher Stefan Seeger at the University of Zurich says the fabric, made from polyester fibres coated with millions of tiny silicone filaments, is the most water-repellent clothing-appropriate material ever created.

clipped from www.pci.uzh.ch
University of ZurichInstitute
of Physical Chemistry (Group of Prof. Dr. Stefan Seeger)
Research

The most water-repellent clothing fabric ever made could create low-drag swimsuits and garments that repel grime

The new fabric strongly repels water thanks to nanoscale filaments with a spiky structure (Image: University of Zurich/Wiley Vch)
clipped from www.medgadget.com
a new highly water resistant material that may be used to make surgical suits or other devices that rely on hydrophobic properties.

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Related:
Hydrophobe - Wikipedia, the free encyclopedia
The superhydrophobic properties of rose petals
Water-repellant wood - nanotechweb.org
Nanotech clothing fabric 'never gets wet' - tech - 24 November 2008 - New Scientist
University of Zurich - PCI
New Fabric Resists Water Like No Other - Medgadget - www.medgadget.com
Future of Gadgets - New Nano-Fabric Allows You to Dunk Clothes in Water Without it Getting Wet