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ULTRAHYDROPHOBICSELF-CLEANINGMATERIALS AND
SURFACES
Bethany Acampora, Ph.D.
Clemson University Research
FoundationInventors: Igor Luzinov, Ph.D., et al.
Department of Material ScienceClemson University
7/29/2019 Presentation File 5122587b Bfdc 4b03 8f9a 07dbac101f3a
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Background//Problem• Biomimetic technologies
•
The lotus leaf effect
• Limitations of traditional
waterproofed fabrics
• Sustainability perspective
www.wired.com/wiredscience/2009/10/lotus-
leaves-the-water-haters
www.biologie.uni-hamburg.de/b-
online/lotus/Waxes_Lotus/bionics.htm
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Competition:
www.clemson.edu/curf
• Traditional fabric/textilewaterproofing (GORE-TEX®,
Scotch-GardTM)
• Anti-corrosion paints andcoatings
• Other Ultrahydrophobic
coatings
www.alegriphotos.com
www.yupedia.com
Still a need for new and versatile
coating technologies
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The Invention
Key Features:
1. Nanoparticle and polymers impart “lotus
effect”
2. Nanometer level coating thickness
3. Contact angles >150o
4. Simple cost-effective application
Ultrahydrophobic Self-cleaning Surfaces
www.clemson.edu/curf
7/29/2019 Presentation File 5122587b Bfdc 4b03 8f9a 07dbac101f3a
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Benefits• Versatility
• Durability
• Improved Sustainability
• Base material properties
unchanged
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The Science
Reactive
Anchoring layer Reactive
Polymer layer Ultrahydrophobic
Structure
Nano/Micro
Structures
Surface
Roughness
Surface
Energy
Ultrahydrophobic
Self-cleaning
Surface
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ApplicationsSeveral attractive market opportunities forpatented invention
www.clemson.edu/curf
www.usmilitarysurplus.com
www.alternativeconsumer.com/2007/05/09/
www.canontradeshows.com/
www.ennovations.co.uk
www.solidmetals.net/2011/02/03/corrosion-basics
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The Market: • Large number of government initiatives for use of nanotechnology in
coatings 1
• Military and defense sector projected to have a huge demand in
protective textiles and anti-corrosion coatings for vehicles1
• Nanoparticle coating technologies hold great promise in smart
textiles2
• Total protective coatings market is increasing with an estimated CAGR
of 3.4% (2007-2014)3
• Dry bandages & dressings created $522.4 Million in revenue globally
in 20104
[1] NANOSTRUCTURED COATINGS--EMERGING FUTURISTIC COATINGS. Frost and Sullivan 2011[2]Smart Textiles-Assessment of Technology and Market Potential Frost and Sullivan 2011[3] North America Protective Coatings Markets. Frost and Sullivan 2009[4] Crandall, M. A., 2010. World Wound Care Markets, New York, NY: Kalorama Information.
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Summary of Benefits• Invention aims to overcome limitations of current
options
– Self-cleaning capability
– Versatility
– Improved sustainability
• Attractive Market
• Intellectual Property – Three related issued patents, one pending patent application
– Complimentary technologies available
www.clemson.edu/curf
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CURF is seeking entrepreneurialor company interest in
commercialization of this
technology
For more information on this or other Clemson technologiescontact:
Bethany Acampora
acampor@clemson.edu
864.656.4935
www.clemson.edu/curf