sažetak izlaganja sa skupa
Global trade relies mainly on the transportation of goods and people with marine transport as the most efficient and widely used transport method. Due to highly demanding service challenges, ships and other marine vehicles must withstand verry corrosive environment and marine fouling. The most effective method to corrosion resistant is protection with coatings which form impermeable film between steel or aluminium hull and marine environment. Beside corrosion, outer surface off ship’s hull is exposed to marine fouling such as bacteria, algae, shellfish which is main drag cause, but it also has effect on ships mass increase and protective coating damage. Antifouling coatings are widely used method to protect ship’s hull from fouling. Traditionally they rely on biocide effect, which is good for protection from fouling, but uncontrolled release of biocides has harmful effect on nontarget species in the seas. Awareness of marine environmental protection made coatings containing tributyltin (TBT) banned and further progress in fouling protection led to use coatings with less biocides preferably with none of them. Today, still the most used antifouling coatings are self-polishing formulations based on copper biocides. This study examines the effectiveness two types of self-polishing antifouling coatings on steel substrate. The results show the comparison due to exposure in the Adriatic Sea and salt spray chamber.
fouling protection; corrosion protection; salt chamber; immersion in sea
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