*Review* **Integration of Antifouling and Anti-Cavitation Coatings on Propellers: A Review**

**Jingying Zhang 1,2,†, Weihua Qin 1,2,†, Wenrui Chen 1,2, Zenghui Feng 1,2, Dongheng Wu 1,2, Lanxuan Liu 1,2 and Yang Wang 1,2,\***


**Abstract:** The performance of an entire ship is increasingly impacted by propellers, which are the essential components of a ship's propulsion system that have growing significance in a variety of aspects. Consequently, it has been a hot research topic and a challenge to develop high-performance antifouling and anti-cavitation coatings due to the issue of marine biofouling and cavitation faced by propellers in high-intensity service. While there is an overwhelming number of publications on antifouling and anti-cavitation coatings, a limited number of papers focus on integrated protective coatings on propellers. In this paper, we evaluated the development of antifouling and anti-cavitation coatings for ship propellers in the marine environment as well as their current status of research. These coatings include self-polishing antifouling coatings, fouling-releasing antifouling coatings, and biomimetic antifouling coatings for static seawater anti-biofouling, as well as anti-cavitation organic coatings and anti-cavitation inorganic coatings for dynamic seawater anti-cavitation. This review also focuses both on the domestic and international research progress status of integrated antifouling and anti-cavitation coatings for propellers. It also provides research directions for the future development of integrated antifouling and anti-cavitation coatings on propellers.

**Keywords:** propeller; antifouling coatings; anti-cavitation coatings; integration technology
