Composite coatings based on silicone-modified polyurethane and marine natural product chlorogentisyl alcohol for marine antifouling

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2024-11-19 DOI:10.1016/j.porgcoat.2024.108906

Yuan Feng , Zi-Hao Chen , Yong-Yin Cui , Ming-Yang Zhang , Miao-Qing Sheng , Hui-Jing Li , Yan-Chao Wu

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Abstract

Marine biofouling has a serious impact on marine facilities, and traditional antifoulants may cause secondary pollution to the ocean. As chlorogentisyl alcohol (3-chloro-2,5-dihydroxybenzyl alcohol, CHBA) is a marine natural product with excellent antifouling properties, CHBA and its analogues are prepared and combined with silicone-modified polyurethane (SiPU) for development of potential green composite coatings for marine antifouling. Lubricant polydimethylsiloxane and antifoulant CHBA endow the composite material with antifouling properties under dynamic and static conditions, respectively. CHBA is steadily released from the composite coating at a rate of 28 μg/(cm²·d). As one of the CHBA/SiPU composite coatings, SiPU-3 exhibits inspiring activities against Escherichia coli (Gram-negative bacteria), Staphylococcus aureus (Gram-positive bacteria) and Vibrio fischeri (marine bacteria), with all inhibition rates exceeding 90.0 %. This composite coating has high antiprotein adsorption ability and algal inhibition rate, showing desirable antifouling performance for up to 90 d in seawater. This work will provide new possible considerations in the development of marine antifouling coatings using marine natural antifoulants.

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基于硅改性聚氨酯和海洋天然产品氯代姜烷基醇的复合涂料，用于海洋防污

海洋生物污损对海洋设施造成严重影响，而传统的防污剂可能会对海洋造成二次污染。氯代戊烯基甲醇（3-氯-2,5-二羟基苯甲醇，CHBA）是一种海洋天然产物，具有优异的防污性能，因此，本研究制备了 CHBA 及其类似物，并将其与硅改性聚氨酯（SiPU）相结合，开发出了潜在的海洋防污绿色复合涂料。润滑剂聚二甲基硅氧烷和防污剂 CHBA 分别赋予了复合材料在动态和静态条件下的防污性能。CHBA 以 28 μg/(cm2-d) 的速率从复合涂层中稳定释放。作为 CHBA/SiPU 复合涂层之一，SiPU-3 对大肠杆菌（革兰氏阴性菌）、金黄色葡萄球菌（革兰氏阳性菌）和弧菌（海洋细菌）的抑制率均超过 90.0%，表现出令人鼓舞的活性。这种复合涂层具有较高的抗蛋白吸附能力和藻类抑制率，在海水中可持续 90 天，显示出理想的防污性能。这项工作将为利用海洋天然防污剂开发海洋防污涂料提供新的可能。

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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.