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7/29/2019 Presentation File 5122587b Bfdc 4b03 8f9a 07dbac101f3a

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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



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



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



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




Benefits• Versatility

• Durability

• Improved Sustainability

• Base material properties

unchanged



The Science

Reactive

Anchoring layer Reactive

Polymer layer Ultrahydrophobic

Structure

Nano/Micro

Structures

Surface

Roughness

Surface

Energy

Ultrahydrophobic

Self-cleaning

Surface



ApplicationsSeveral attractive market opportunities forpatented invention


www.usmilitarysurplus.com

www.alternativeconsumer.com/2007/05/09/

www.canontradeshows.com/

www.ennovations.co.uk

www.solidmetals.net/2011/02/03/corrosion-basics

http://www.usmilitarysurplus.com/surpluscatalog/default.php?cPath=164_178

http://www.usmilitarysurplus.com/surpluscatalog/default.php?cPath=164_178



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.



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




CURF is seeking entrepreneurialor company interest in

commercialization of this

technology

For more information on this or other Clemson technologiescontact:

Bethany Acampora

[email protected]

864.656.4935


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