Download - Harry Stulajter CEO Nanovations Pty Ltd
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Harry Stulajter
CEO
Nanovations Pty Ltd
Functional coatings for glass
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Definition: What is Nanotechnology?
• The capacity to create functional materials, devices and systems
with novel functions and properties through the control of matter at the
Nano-scale.
• Nano-scale means dimensions of roughly 1 to 100 Nanometre, where
unique phenomena enable novel applications’
• Eight to ten atoms span one Nanometre.(Nm)
• Nanotechnology glass coatings are between 20 – 30 Nm for
photocatalytic Tio2 and 20 – 40 Nm Silica
The average float glass is 5,000,000 Nm thick
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Surface Functions Benefits
The technology can be used for surface applications:
• Windows• Facade panels• Balustrades• Sky lights• Glass roofs
Materials can improve: • Cleaning ability• Scratch resistance • Asset protection • Shield against Pollution • Chemical resistant• Anti dust
• Can be easily reapplied
• Cost effective• Durable• Does not react with other materials• Speeds up cleaning
Nanovations products can be used on buildings
and constructions glass for external application
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Nature as a template
Nature Technology
Our ability to understand and control surface wetting has dramatically improved since our ability to observe and fabricate Nano scale surface topographies has been developed
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Products and Technology
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High Performance Glass Coatings
Nanovations is the technology
leader in the development
of advanced glass coating solutions
for the construction industry.
World first Infra-red cured coating application at a
building side in Sydney / Australia
Problem solutions for Macquarie Bank, Sydney
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Smart Surface Glass Coatings
Demonstration of the self cleaning effect on a Lotus
leaf and on a glass slide coated with NG 1010.
Water droplets take up dirt and dust.
The dirt is more attracted to the water than to the
substrate.
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Different behaviours of water on uncoated and coated glass.
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Glass Cleaning technology using sub-micron abrasive glass cleaner technology.
Mineral deposits on glass, before and after the cleaning with Nanovations CL 40/ CL50.
This is Nano-scale deep cleaning.
The coating performance on the well prepared glass is significantly improved.
Cleaning solutions help to solve problems prior to the application.
Nanovations is a leader manufacturer of abrasive glass cleaning products.
1000 x
1000 x
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Protect glass from mineral deposits
The non coated glass shows mineral deposits appearing with hard water, high pollution, salt spray or rundown marks from mineral building materials.
The Coated glass is protected against staining.
Problem solutions for Macquarie Bank Sydney
CoatedCoated
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Problems that can be easy removed or avoided
• Ru
Mineral deposit
Pollution bleed from sealant Salt spray staining river boat NY
Hard water / Acid Rain spots
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Hydrophobic Glass coatings
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Factory applied Photocatalytic TiO2 coating vs
Nanovations NG 1314 NG1010
Hydrophilic vs Hydrophobic
Hydrophilic NG 1314/ NG1010Protects glass during construction ? No Yes
Can be reapplied on site? No Yes
Compatible with Silicone /PU sealants ? No Yes
Works against inorganic and organic dirt ? No Yes
Is the technology cost effective No Yes
Scratch resistant limited Yes
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UV protection without the use of pigments
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Nanovations coating changes the surface tension. Dirt is more attracted to the water than to the surface and is easy to wash off or is removed naturally by rain.
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Nanovations NG 1314 is the hardest wearing room temperature cured coating on the market
Hardness Up to 7 Mohs
Heat resistant Up to 300 C
Chemical resistant pH 2 – pH 13
Wet scrub resistant (cleaning cycles simulation)
80,000 x with Brush
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Glass Substrate X
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In contrast, Nanovations products create an ultra thin coating by covering and penetrating the Nano scale surface structure and pores of the glass.
Glass Substrate
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With the Nanovations range of products, the dirt has a significant smaller contact area with the substrate. Adhesion is low, dirt can be removed without much force. The surface is easy to clean.
Glass Substrate
Dirt
Dirt
On conventional coatings the contact area towards the surface is much larger . Easy to clean effect is provided via a non stick chemical and not via a reduction in contact area.
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Dust accumulation is significantly reduced when the surface has been treated.
Uncoated Coated with NG 1314
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In situations where dust and dirt cannot be removed via wind action or ,exposure to clean rain, rinsing with clean water will remove large portions of the dirt and dust contaminations.
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Coating performance
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Wet scrub resistance tester. (Taber System )
2 coated glass panels with brushes or abrasive sponge
testing .
Contact angle meter. After every 1000 cycles
The contact angle is measured . This is used to
measure the durability of the coatings.
Testing: Abrasive durability testing
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Exposed to the harshest environment in the Allunga
Laboratory in Townsville, Queensland where there are
some of the highest UV radiation levels in the world.
Exposed to the Australian sun in Townsville, Queensland.
Testing: Exposed weathering testing
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Projects
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Project: Pinnacle Apartment Milsons Point
• Connell Mott MacDonald’s
project for Multiplex, Sydney.
The Pinnacle is the first
high rise building in the world
where a nanotechnology glass
protection system was used
on the complete building
to prevent glass contaminations.
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Macquarie Bank , Sydney Australia
Excessive rundown marks and glass contaminations.
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Latitude Sydney
Glass contamination from construction
work.
The complete building is affected.
Vision is disrupted and the glass
cannot be cleaned anymore.
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The Hyde Tower, Sydney.
Glass contamination due to run down
from facade elements.
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The Gulf Hotel Bahrain
Test panel after 3 months
exposure .
The facade glass is coated with
reflective metal coating (internally).
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Company Profile
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Profile
About Nanovations: The business was established in 2002. In 2006 the group R&D and manufacturing operation was combined under the Nanovations brand. The team of Nanovations is now the only manufacturer of colloidal silica sol gel coatings for glass, in the southern hemisphere. In 2005, the founding team members won an award for the best new product at the DesignEX Tradeshow in Sydney. In 2006 the first high rise building in the world was coated with Nanovations glass coatings. Some of the buildings treated in the past, are among the longest serving Nano coated glass surfaces on the market. Exposed to the harsh Australian environment, the coatings have proven their reliability for over 10 years. No other company can offer such a track record. Nanovations collaborates with global companies, research partners and universities for R& D to develop new markets in this area of growth.
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Customer world wideNanovations exports more than 95% of all products manufactured to more
than 40 countries.