Sustainable Titania Technology Inc. STi

The Photo-oxidation the Photocatalysis Titanium
Dioxide to contribute to the global environmental
improvement

Sustainable Titania TechnologyInc.

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Outline of STi
Established : in September, 2000
 Capital paid : Yen 75 million
 No. of officers and employees: 9
 President: Mr. Shiro Ogata
 Facility: Head office in Tokyo andLaboratory in Saga, Kyusyu Is.
 Production: Annual capacity to be 20ton
based on 0.85w% Dispersion
Sustainable Titania TechnologyInc.

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Photo Oxidation : Anti stain, Protective against UV aging

STi Titania High Coat Z
STi Titania High Coat Z Super
Photocatalysis : Gas decomposition,Anti bacillus, Anti mildew

STi Titania High Coat
STi Titania High Coat Super

SUS,Glass : Anti stain,Anti rust:
The National Museum of Art, Osaka
Sustainable Titania TechnologyInc.

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TiO2 Photo-oxidation & Photocatalysis

New but proven technology

Now, an industrial standard technology
 As a standard application especially to theconstruction industry in Japan
 For a maintenance cost saving and Building
Asset-value raising technology
 Allow the Architects’
free (unlimited) designingversatility As a standard specification for the new building
and civil works


Sustainable Titania TechnologyInc.

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Photo- oxidation & Photocatalysis
Function and Application
Self-cleaning（ Photo- oxidation &Photocatalysis ）Anti-Virus（ Photocatalysis ）Air / Water
Purificatio（ Photocatalysis ）Anti-foggin（ Photo- oxidation &Photocatalysis ）Decomposition

Hydrophilicity

Building façade, Civilworks, Road related,Sign board, etc.

Building façade, Civilworks, Road related,Sign board, etc.

the Photo- oxidation ＆Medical facility, etc.

---Air conditioner, curtain,
water filter, etc.

------Mirror, Peeping glass,etc.

Sustainable Titania Technology
Inc.

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Solution by Photo- oxidation & Photocatalyst
Titaium Dioxide
Decomposition by Titanium DioxideHydrophilicity by Titanium Dioxide
the Photo- oxidation ＆Conductivity by Titania Hi-CoatTMＺ
 Conductivity by Titania Hi-CoatTM

“TiO2 Photo- oxidation & Photocatalysis”
technology solve the issue.
Sustainable Titania Technology
Inc.

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STi s Titania Technology
STi Titania High Coat Z

1. All ingredients are inorganic (main material is TiO2 complex).
Since no organic binding agent included service life ob the coating
is extremely long. PH7 - 8 Water, Water+ ethanol
2. Film thickness under 0.1 micron with super trans-parency andPositive charged characteristics give substrates superhydrophilicity and releasing dirt attached to the surface and also
protect substrates from UV aging.
TiO2 complex particles keep round shape in tcoating layer,
2nm~10nm diameter, each particle contacts at point, with flexibility.
No crack occurs while substrates are bent or under vibrating
conditions.

the Photo- oxidation ＆Adhesive mechanism of titania is that Peroxide
reacts with O2 and OH on the substrates and repeat thisdehydration and condensation reactions.
STi Titania High Coat Z does not include any
adhesive promoter and binders.

Sustainable Titania TechnologyInc.

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Photo- oxidation anti staitn technology
1. Organic dirt on the surface of the substrate
is attacked by electromagnetic wave andplus charged.

electromagnetic wave
organic dirt

2. Electrical repulsion occurs between thesurface of the substrate and organic
dirtOrganic dirt is separated from thethe Photo- oxidation ＆surface of coated substrate
3. Under the condition of 2. flusing water,
rainfalls and wind help organic dirt being
removed earlier

water,rainfalls
and windSustainable Titania Technology
Inc.

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Advantages of Photo Oxidation technology
1.Reduce hydrophobic contamination from silicone sealants and keep thesurface of silicone sealants cleanorganic dirt
2.Excellent anti stain performance by electrostatic repulsing and
super hydrophilicity

3. Excellent esthetics on organic substrates by one layer coating
4. Protective performance against acid rain, exhaust gas and UV
5. Super thin film keeps original esthetics of the substratesSTi anti stain technology:
Comparison
Photo catalysis
and Photo Oxidation
the Photo-ofoxidation＆Magnets repulse bymagnetic force

Silicone sealant applied for glazing Photo taken after 1 year's exposure
Photo Oxidation

Photo catalysis(1) Photo catalysis(2)Photo Oxidation utilizes
electrostatic repulsing

Sustainable Titania Technology
Inc.

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organic dirt

Oily bondings

Against stains sticked to byoil and other type of organic
bonding

sticked with organic bondings

Stain

Removed by decomposition

the Photo- oxidation ＆Against dust and stain
Sticked by electrostatics
sticked by electrostatics
Clean-off by ConductivityAgainst stain invaded andstain in fine gap
Invaded and stayed in gap

Flushing out by rain water
Sustainable Titania TechnologyInc.

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