Schiff base modified polyurethane coating with enhanced mechanical property for marine antifouling application

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2025-02-18 DOI:10.1016/j.porgcoat.2025.109138

Silei Liu , Rongrong Chen , Qi Liu , Jingyuan Liu , Jiahui Zhu , Gaohui Sun , Hongsen Zhang , Jun Wang

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Abstract

Silicone coatings cannot completely prevent the adhesion of marine organisms on hull surfaces under static conditions. In this study, a Schiff base modified polyurethane antifouling coating (PUx-SBSi) was prepared by a facile method. The silicone modified by Schiff base not only retained the low surface energy characteristic, but also effectively addressed the inherent issue of insufficient static antifouling performance in single silicone-based materials. The PUx-SBSi coatings inhibited the adhesion of marine bacteria (Pseudomonas xiamenensis (P. xiamenensis)) up to 95.3 %. Furthermore, the PUx-SBSi coatings exhibited exceptional mechanical property and a significantly higher adhesion strength, with a maximum of 7.3 MPa, which overcome the limitations of inadequate mechanical property and weak adhesion strength of single silicone-based coatings. Therefore, PUx-SBSi coatings with both mechanical properties and static antifouling performance are anticipated to effectively protect ship surfaces from marine organisms, playing a crucial role in the sustainable development of functional coating materials.

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来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.