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A Novel Quick Turn-Around Repair Coating For Offshore Windmills

Picture for A Novel Quick Turn-Around Repair Coating For Offshore Windmills
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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.

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(Surface Prep) National Shipbuilding Research Program Surface Preparation and Coatings Panel SSPC 2

Product Number: 48-COAT_DEC21
Author: Arcino “Q” Quiero, Jr.
Publication Date: 2021
$20.00

This summary is a look at implementable work and a gage of the value of future work. The strategic implementation of Surface Preparation and Coatings Automation, Standardization and Digitization of Visual Inspection, and Surface Preparation and Coatings Training Certification Program could provide cost and schedule savings. Optimizing Power Tool Surface Preparation potentially will increase Shipbuilders safety, while reducing material and labor costs.
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(Coating Formulation) Can Low Zinc Epoxy Primers Work as Well as Traditional Zinc Rich Epoxy Primers

Product Number: 47-COAT_DEC21
Author: Alex Yagüe / Pinturas Hempel / David Morton
Publication Date: 2021
$20.00

Zinc-rich primers, with zinc dust loadings of 80-85% by weight in the dry film, are often the preferred primer during new construction of assets placed in environments with high atmospheric corrosivity. Coating standards such as SSPC-Paint 20 and ISO 12944 demand that zinc-rich primers contain at least 65% and 80% zinc dust by weight in the final dry film, respectively. Traditional zinc rich primers need this high zinc loading to achieve galvanic protection of steel. New technology allows us to develop zinc primers with a lower content of zinc and/or different zinc morphology than dust to provide similar or better corrosion protection to the steel.
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(Coating Formulation) Corrosion Resistance Comparison of Zinc-Rich Epoxy With Reduced Zinc Levels

Product Number: 46-COAT_DEC21
Author: Mary Roley
Publication Date: 2021
$20.00

Zinc-rich coatings have long been known to provide excellent corrosion resistance in highly corrosive environments, in general,inorganic zincs for new construction and organic zincs for maintenance. A recent trend has been toward zinc-rich coatings with reduced levels of zinc dust. An SSPC committee formed to revise SSPC Paint 29, Zinc Dust Sacrificial Primer, Performance Based, to reference performance only, removing reference to minimum zinc dust level.
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