Ester antifouling agent, antifouling coating, multilayer protective film structure and its application

Abstract

The invention discloses an ester antifouling agent, an antifouling paint, a multilayer protective film structure and applications thereof. The ester antifouling agent includes a compound represented by formula (I); the ester antifouling agent provided by the present invention has excellent antifouling effect and good barrier performance, so that it can effectively enhance the coating At the same time, it is easy to synthesize, has excellent thermal stability, and has good compatibility with modified epoxy powder, polyurethane powder, etc., and the powder coating prepared by using it as an antifouling agent has excellent antifouling and antifouling properties. Corrosion performance, especially when the powder coating is used to prepare the coating, the construction is simple, and it only needs to be melted and sprayed on the substrate once to form a film. Meet the anti-corrosion and anti-fouling requirements of steel structures such as steel pipe piles for offshore platforms, offshore wind power, and cross-sea bridges.

Description

technical field [0001] The present invention relates to an antifouling agent, in particular to an ester antifouling agent capable of improving the anticorrosion performance of coatings, and antifouling coatings, antifouling coatings, and multilayer protective film structures prepared based on the ester antifouling agent The invention and its use belong to the field of antifouling technology. Background technique [0002] Marine fouling refers to the phenomenon of marine organisms attaching to the surface of substrates submerged in seawater. Marine biofouling has had many adverse effects on human marine production activities. For example: the attachment of fouling organisms such as barnacles and mussels on the vessel not only increases the navigation resistance and weight, increases fuel consumption and carbon emissions, but also can cause microbial corrosion and reduce the service life of the hull. The voyage of the body has also caused ecological impacts such as biologica...

AI Technical Summary

Problems solved by technology

The whole construction process needs multiple coatings, the production process is cumbersome, and due to the large difference in the type of matrix resin of the anti-corrosion and anti-fouling coatings, it is often necessary to coat the connecting paint between the anti-corrosion coating and the anti-fouling coating Enhance the bonding force between the two, which prolongs the construction period and complexity of the coating, increases the cost, and also reduces the long-term service stability of the coating

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