CORROSION RESISTANT COATING FOR MARINE ENGINEERING CONCRETE AND A PREPARATION METHOD
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United States of America Patent
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Issued Date -
Aug 17, 2023
app pub date -
Apr 20, 2023
filing date -
Dec 31, 2020
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Abstract
The invention discloses a corrosion resistant coating for marine engineering concrete and a preparation method thereof, the corrosion resistant coating being sprayed or brushed on the concrete surface after being uniformly mixed by component A and component B,wherein the component A is calculated by weight including: waterborne non-ionic epoxy resin, C10-C12 alkyl glycidyl ether, polyhedral oligomeric silsesquioxane, metal powder, magnesium aluminum hydrotalcite powder,dispersant,defoamer; and the component B is calculated by weight including: modified aromatic amine curing agent, C10-C12 alkyl glycidyl ether, self-healing micro capsules, leveling agent, antioxidant, adhesion promoter, and other additives. The corrosion resistant coating of the present invention has excellent adhesion and corrosion resistance, while being able to achieve self-healing of the corrosion-resistant coating and prevent the migration of chloride ions, thereby prolonging the service life of the concrete structure, so that it can be widely used for the protection of marine engineering concrete structures.
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