Fouling control coating composition

The problem of poor coating adhesion is solved by using functional polysilicone and functionalized acrylate-based polymers in anti-biological algae coatings, combining non-condensable viscous fluids, and achieving high adhesion, long-term algae protection and enhanced coating performance.

JP7653539B2Active Publication Date: 2025-03-28AKZO NOBEL COATINGS INT BV
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Patent Information

Application Number
JP2023558318
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-03-30
Filing Date
2022-03-30
Publication Date
2025-03-28
Estimated Expiration
2042-03-30

AI Technical Summary

Technical Problem

In the prior art, most anti-biological algae coatings have poor adhesion to other coatings, resulting in poor adhesion, bubbles, pores and other problems easily occur during coating application, and lack of high-performance anti-biological algae coatings without biofungicides.

Method used

Using a coating combination containing functional polysilicone, functionalized acrylate-based polymer and non-coagulable viscous fluid, a more stable coating structure is formed through the reaction of functional polysilicone and functionalized acrylate-based polymer, improving adhesion with other coatings.

Benefits of technology

This coating combination not only improves adhesion to other coatings, but also significantly improves the long-term algae resistance of the anti-bioalgae coating, and enhances the hardness, wear resistance and damage resistance of the coating.

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Abstract

The present invention relates to a fouling control coating composition comprising a functionalized polysiloxane, a functionalized acrylate-based polymer, and a non-curable oligomeric or polymeric fluid, the functionalized polysiloxane and the functionalized acrylate-based polymer having the formula -Si(OR a ) a (R b ) 3-a wherein a is 1 to 3; R a is H or optionally substituted C 1~12 Alkyl, phenyl, and one or more C 1~6 phenyl containing an alkyl group; R b is H and optionally substituted C 1~20 Aliphatic hydrocarbyl, C 6~12 Aryl and one or more C 1~6 C containing aliphatic hydrocarbyl groups 6~12 aryl.
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