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Silanes for wood treatment

Presentation for Formulators

CC KeongFounderiGL CoatingsNovember 2014

Content

IGL AQD W : A new wood impregnation system

Features and benefits

Advantages and application examples

Application details

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…the natural beauty of the wood shouldbe visible

.…the touch of the natural wood surface should stay intact.be visible.

…the natural smell of the wood surfaceshould remain.

IGL AQD W is ExcellentWherever…

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IGL AQD W:A Totally New Kind of Product

durability

visibility

IGL AQD Wis a new kind ofsurface impregnation system.

conventional,

transparent

varnish

IGL AQD W

oil and wax

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Content

IGL AQD W : A new wood impregnation system

Features and benefits

Advantages and application examples

Application details

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Recomended Application Fields

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garden furniture untreated interior surface

untreated furniture wooden decks

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IGL AQD Wfor Wood Surface Impregnation

Wood impregnation, with unique advantages:

Lasting protection: - against moisture penetration - against adhesion of dirt - from environmental influences - against fouling and growth of microorganisms due to reduction - in surface moisture

IGL AQD W is: - easy to apply - active for 2 years (external exposure) or up to 10 years (inside)

Feeling and texture of wood surface remains

Allows wood to breathe and water vapor to pass

Wood still has its original smell

Without a visible surface coating

Hydrophobic surface – with a large water contact angle

A Totally New Kind ofWood Treatment Technology

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Content

IGL AQD W : A new wood impregnation system

Features and benefits

Advantages and application examples

Application details

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IGL AQD W was especially developed for the following wood surfaces:

IGL AQD Wfor Wood Surface Impregnation

Untreated and impregnated lumbers

Weathered surfaces of originally scuffed, waxed, and varnished lumbers

IGL AQD W is not affected by the swelling and shrinking of wood.

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IGL AQD W Treatment is,Almost Indiscernible…

…on regional…(pine)

…or tropical lumber(meranti)

untrearted treated untreated treated

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IGL AQD W ExhibitsExcellent Oil- and Water-Repellency

Outstanding hydrophobic and oleophobic effects are obtained ontimber surfaces:

Water and oil drops on pine wood

Upon cleaning with a wet pad

water

oil

treated untreated

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IGL AQD W Displays ExcellentResistance Against Weathering

Comparison with a transparent, solvent-based varnish:

conventional, unpigmentedtransparent varnish

IGL AQD W(unpigmented)

no weathering

weathered zone

water penetrates,strong colorationof wood surface

excellent repellency,significantly less coloration

Pine wood, 500h of QUV according to DIN EN ISO 11507

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IGL AQD W Excellent inReal Outdoor Weathering: 1 year

IGL AQD W provides:

- Excellent beading effect

- Excellent hydrophobation

- Reduction in mildew (blue stain)

Even after 1 year outdoor exposureit will not reduce graying

IGL AQD W untreated

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Comparison to Teak Oil:Excellent Water Repellence…

30 min. afterapplication:perfect water repellenceApplied formulation:88% IGL AQD W7% Isopropyl alcohol3% Ethyl alcohol2% Ethylene glykolmonobutylether

Even 24h afterapplication:weak water repellence

Excellent waterrepellence after500h QUVA(acceleratedweathering test)

Very poor waterrepellency after500h QUVA(acceleratedweathering test)

…Even After Accelerated Weathering

IGL AQD W Teak Oil

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IGL AQD W on Stained WoodShows Excellent Hydrophobicity

Excellent repellance, even on stained:

stained and then treatedwith IGL AQD W IGL AQD W

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Formulation Possibilities with IGL AQD W

Suitable anti-fouling agents:

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Reaction with the Substrate

Water soluble & water-borneorganofunctional silane system

Penetration depth controlledby molecular dimension

Highly reactive due to largenumber of silanols

Chemical reaction withOH-functions of the substrate

Rf Rf Rf

Si Si Si SiO O O

OX

O O O O

H H H HH H H HH H H H

O O O O

UV stable

reactionwith substrate

substrate : wood

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Content

IGL AQD W : A new wood impregnation system

Features and benefits

Advantages and application examples

Application details

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Methods of Application

Dipping Painting

Rolling Spraying

Suggested Quantity for Treatment ofGarden Furniture

Table: 2.5 m²Chairs: 2 x 1.8 m²approx. 6 m²

Table: 5 m²Chairs: 4 x 1.8 m²approx. 12 m²

consumption: 0.1 l / m²- 0.6 liter of preparationrecommendation: 1:1 dilution in water

consumption: 0.1 l / m²- 1.2 liter of preparationrecommendation: 1:1 dilution in water

= 0.3 litre of IGL AQD W = 0.6 litre of IGL AQD W

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Suggested Quantity for Treatment ofWooden Decks

Average standard area: approx. 20 m²

Recommendation:Use pure product for long-term protection.Effective for up to 3 years.

2 liters of IGL AQD W

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IGL AQD W - Information on Application

Dosage / Consumption / Durability:- Depends on sort of timber and grade of dilution- undiluted: 70 – 150 ml/m², up to 3 years

Application: Painting, rolling, spraying (avoid generation of fine aerosols)

Working temperature: 5 - 50 °C (temperature of substrate)

Humidity of substratee: <18 %

Product information contains additional information

Thinning: Water and polar solvent such as alcohols

Recommended concentration: Neat

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A totally new kind of impregnation system for woodsurfaces

Imparts excellent hydrophobic and oleophobicproperties

Due to humidity reduction, attack by microorganismsand fungi is reduced

Stable to UV and weathering influence

IGL AQD W

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