Abstract
There are a large number of fouling organisms in the ocean, which easily attach to the surface of ships, oil platforms and breeding facilities, corrode the surface of equipment, accelerate the aging of equipment, affect the stability and safety of marine facilities and cause serious economic losses. Antifouling coating is an effective method to prevent marine biological fouling. Traditional organic tin and copper oxide coatings are toxic and will contaminate seawater and destroy marine ecology and have been banned or restricted. Environmentally friendly antifouling coatings have become a research hotspot. Among them, the use of natural biological products with antifouling activity as antifouling agents is an important research direction. In addition, some fouling release coatings without antifoulants, biomimetic coatings, photocatalytic coatings and other novel antifouling coatings have also developed rapidly. On the basis of revealing the mechanism of marine biofouling, this paper reviews the latest research strategies to develop environmentally friendly marine antifouling coatings. The composition, antifouling characteristics, antifouling mechanism and effects of various coatings were analyzed emphatically. Finally, the development prospects and future development directions of marine antifouling coatings are forecasted.
Highlights
Marine fouling organisms refer to the general term for all kinds of marine organisms attached to the surface of marine facilities and causing damage to human marine economy [1]
Because the copper element in the cuprous oxide coating is enriched in the ocean, it causes a lot of death of seaweed and destroys the ecological balance, and will eventually be restricted or banned
The fouling release coatings (FRC) itself does not contain antifoulants, mainly to use the dual characteristics of fouling organisms that are difficult to attach to the surface of low surface energy materials or easy to desorb on the surface to prevent or reduce the attachment of marine fouling organism
Summary
Marine fouling organisms refer to the general term for all kinds of marine organisms attached to the surface of marine facilities and causing damage to human marine economy [1]. The Formation Mechanism of Fouling development trend of marine antifouling coatings is forecasted. 2. Formation Mechanism of Fouling how the attachment of marine fouling organisms to the surface of objects occurs. In order to better solve the problem of marine biologicalonfouling, it is necessary to The understand fouling is a process where biological communities accumulate the surface of materials. 24 h, and floating bacteria film, will in order to further improve theirtofixation ability with thewithin material surface or conditioned gather on the surface These attached bacteria and algae will secrete new extracellular thereby forming a biofilm composed of water, organic matter, microorganisms and extracellular polymersThis (EPS). Macro-fouling formation of micro-fouling can further theand generation of organisms adhere to[20]: andThe grow within a few days, and complex biomesaggravate slowly form, large-scale biological fouling.
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