Fouling control device

The fouling control device employs a non-curable fluorinated polymer coating and UV light-emitting system to address environmental risks and inefficiencies in existing technologies, ensuring effective biofouling prevention and adhesion reduction, maintaining performance post-immersion and light failure.

WO2026119791A1 Publication Date: 2026-06-11AKZO NOBEL COATINGS INT BV
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
AKZO NOBEL COATINGS INT BV
Filing Date
2025-12-01
Publication Date
2026-06-11

AI Technical Summary

⚠Technical Problem

Existing fouling control technologies, such as biocide-containing coatings and UV light-emitting devices, face environmental risks and inefficiencies, necessitating the development of a biocide-free, efficient, and reliable fouling control system for submerged surfaces.

⚗Method used

A fouling control light-emitting device utilizing a non-curable liquid fluorinated polymer or oligomer in a fouling control coating, combined with a UV light source and optical medium, to inhibit biofouling through UV light transmission, offering a secondary fouling control mechanism even in the absence of light emission.

🎯Benefits of technology

Maintains optical transparency and fouling control efficacy after immersion, providing consistent biofouling prevention and reducing adhesion of organisms, even in the event of light source failure, with reduced light intensity requirements.

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Abstract

A fouling control light-emitting device having a source of light, an optical medium that can transmit light, and a light-emitting surface, in which at least part or all of the light-emitting surface comprises a fouling control coating, wherein the fouling control coating comprises a non-curable liquid fluorinated polymer or oligomer.
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