COATINGS FOR MARINE VESSELS THAT REDUCE CAVITATION
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United States of America Patent
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Jun 20, 2024
app pub date -
Jun 10, 2022
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Jun 10, 2022
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Abstract
Disclosed are compositions for coating substrates used in wet environments including boats, ships, other marine vessels and their parts that are submerged in water. The compositions comprise solvent-borne monomers, diluent, an adhesion promoter, a rheology modifier and a ceramic performance additive such as hollow spheres and non-hollow spheres. Once the composition is applied to a substrate, the coatings protect by minimizing cavitation and underwater radiation noise when the marine vessel is in operation. The coatings may also exhibiting improved substrate adhesion, overcoat adhesion, recoat adhesion, bending strength of at least 10 mm, reduced noise radiation, and/or improved hardness as indicated by scratch resistance (relative to a control).
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