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A Novel Quick Turn-Around Repair Coating For Offshore Windmills

Offshore wind towers are commonly foreseen with factory-applied anti-corrosion coatings that consist of
multi-layer 2-component protective paint systems like epoxies or polyurethanes. These coating systems have various requirements in place for application and curing conditions like a high degree of surface cleanliness of steel, roughness profile for achieving proper adhesion, low levels of salt contamination on the surface, and appropriate control of temperature and humidity during curing. During transport and installation of the coated towers, the factory-applied coating often gets damaged.

Product Number: 51323-19481-SG
Author: Hindrik Harm Broesder, Dinko Cudic
Publication Date: 2023
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$20.00
$20.00

A new way of coating repair method was designed with a few key factors in mind: turn-around time,
health, safety, environment, and sustainability. The paper discusses the evolution of the field applied
coating as a repair method for damages caused during installation, and as maintenance for aged
coatings. Selecting the correct mix of polymers with zero hazardous chemicals or VOCs made it a good
choice for the health of the applicators. Immediate adhesion to various substrates and coatings with
minimum surface preparation made it simple and safe use, with no hazardous components leaking into
the environment. Lastly, choosing the right polymers may also lead to extended service life, less and/or
an extended maintenance period providing a true contribution as "green" energy and therefore
sustainability. Innovation comes with challenges in recognizing and meeting the requirements of
standards made for different coatings, such as ISO 12944-CX, which will be touched upon as a guide to
the ultimate offshore coating performance predictor.

A new way of coating repair method was designed with a few key factors in mind: turn-around time,
health, safety, environment, and sustainability. The paper discusses the evolution of the field applied
coating as a repair method for damages caused during installation, and as maintenance for aged
coatings. Selecting the correct mix of polymers with zero hazardous chemicals or VOCs made it a good
choice for the health of the applicators. Immediate adhesion to various substrates and coatings with
minimum surface preparation made it simple and safe use, with no hazardous components leaking into
the environment. Lastly, choosing the right polymers may also lead to extended service life, less and/or
an extended maintenance period providing a true contribution as "green" energy and therefore
sustainability. Innovation comes with challenges in recognizing and meeting the requirements of
standards made for different coatings, such as ISO 12944-CX, which will be touched upon as a guide to
the ultimate offshore coating performance predictor.