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Submitted by :
Gke BOZOKALFA
Nanotechnology & NanomedicineDepartment
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Nanotechnology areasNanoparticles/materialsEasy to clean surfacesSelf cleaning & self healing
Nanoparticles for coatingSynthesis of available nanomaterialsTiO2 & Nano TiO2
Nano in coating challengesExpectation for nanotechnology in coatings
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Engineering
Materials
Biotechnology
Electronics
http://nanotechnologyinourlife.pbworks.com/28/11/2010
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Metals
Ceramics
Polymers
Biomolecular materials
http://www.tech-ceramics.co.uk/OPCP.htmhttp://bmmb-lab.com/contacts.asp
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Nanoparticles
e.g. UV absorber insun screens
NanostructuredMaterials
e.g. mortars andconcrete
NanostructuredSurfaces
e.g. lotus leaf
[1] [1] [1]
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Nano-sizing Causes Changes In:
Color Crystal shape
Melting Points Conductivity
Magnetism Chemical Reactivity
Potential Uses of Nanomaterials/DevicesSun Screen Softer Ceramics
Harder Metals Water Purification
Catalysts
Air Purification
Self-Cleaning Windows & Paints
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Inorganics
Colloidal Silica
Fumed SilicaSicates
Titania
Alumina
Zinc Oxide
Organics
Acrylics
Urethanes
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OtherOther
methodsmethods
Solgel;Solgel;
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TiO2 coated polypropylene
fiber [Cireli et. al. 2006]
Sol-Gel technology is aninexpensive alternative tovacuum processing,
in which a sol is appliedto the surface in theform of a varnish
using conventionalprocedures, such as e.g. dipping, spraying / spinning
and a gel coating isformed
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[7 , 8]
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[4]
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Photocatalytic TPhotocatalytic TiiOO22
NanoparticlesNanoparticles & Coating& Coating
ApplicationsApplicationsSuper hydrophilicitySuper hydrophilicity
Anti-fogging activityAnti-fogging activity
Antibacterial actvivityAntibacterial actvivity
Self cleaning surfaceSelf cleaning surface
Self healing forSelf healing for
corrosion protectioncorrosion protection
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two-stage process:photocatalytic (light-
activated)
hydrophilic (water-loving)
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[9]
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Titania nanoparticles have unique
properties for coating applications
To further improve the risk management
of products we intensively participate in
the safety research for nanoparticles
and nanomaterials
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8. E. Matijevi, M. Budnik, J. Colloid Interface Sci. 61; (1977); 302
9. E.A Borringer, H.K Bowen, Commun. Am. Ceram Soc. (1982); 199-201
10. Dr. James S. Murday, Status Report on National NanotechnologyInitiatives, Naval Research Lab, National Nanotechnology CoordinationOffice
11. TEXTOR, T., BAHNERS, T., SCHOLLMEYER, E., 2003. Modern Approachesfor Intelligent Surface Modification. Journal of Industrial Textiles,32(4):279-
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