Transparent hybrid coatings for marine antifouling: Synergizing amphiphilicity, nanocellulose lubrication, and electrostatic repulsion
文献类型：期刊论文
| 作者 | Sun, Jiawen; Duan, Jizhou; Zhang, Yimeng; Zhai, Xiaofan; Zhu, Yuqing; Yang, Xue; Liu, Xingda; Zhang, Ruiyong; Hou, Baorong |
| 刊名 | CHEMICAL ENGINEERING JOURNAL
 |
| 出版日期 | 2025-10-01 |
| 卷号 | 521页码:14 |
| 关键词 | Antifouling coating Cellulose nanocrystals Amphiphilicity Self-lubrication Negatively charged |
| ISSN号 | 1385-8947 |
| DOI | 10.1016/j.cej.2025.166869 |
| 通讯作者 | Duan, Jizhou(duanjz@qdio.ac.cn) |
| 英文摘要 | The development of environmentally compliant marine antifouling coatings requires innovative strategies that transcend conventional biocide-dependent approaches. We present a transparent silicone-based hybrid coating integrating amphiphilic telomers, castor oil-modified cellulose nanocrystals (CO-CNs), and cholic acid through covalent bonding, demonstrating high transparency (>90 % transmittance) and excellent flexibility, which also demonstrates strong adhesion (similar to 3.93 MPa) to the substrate, ensuring its use in harsh marine environments. This system achieves exceptional antifouling performance through synergistic interplay of three fundamental mechanisms: a microscale amphiphilic surface, nanocrystal-enabled lubrication (friction coefficient reduction from 0.52 to 0.08), and enhanced electrostatic repulsion (zeta potential of -110.22 mV at pH 8). The microscale hydrophobic/hydrophilic heterogeneities from amphiphilic telomers disorient microorganisms. Notably, incorporating CO-CNs creates abundant lubrication sites on the coating surface that reduce microorganism contact area. Simultaneously, cholic acid-derived carboxyl groups amplify electrostatic repulsion synergistically against negatively charged microorganisms, as verified by 98 % reduction in bacterial adhesion forces (0.29 nN vs 7.29 nN for commercial PDMS) as evidenced by fluidic force microscopy. Laboratory evaluations demonstrated 95 % inhibition of protein adsorption and 99 % reduction in diatom settlement compared to those of commercial PDMS. Furthermore, field trials in Qingdao seawater revealed sustained antifouling efficacy over 180 days, with coated surfaces maintaining >90 % macrofouling resistance through seasonal variations. The demonstrated synergy between amphiphilicity, surface lubrication, and electrostatic repulsion offers significant potential for sustainable maritime applications. |
| WOS关键词 | FOULING-RELEASE COATINGS ; CELLULOSE NANOCRYSTALS ; SURFACE-CHARGE ; ADHESION ; FORCE ; POLYDIMETHYLSILOXANE ; BIOMATERIALS ; RESISTANCE ; SETTLEMENT ; BEHAVIOR |
| 资助项目 | National Natural Science Foundation of China[42406206] ; Shandong Provincial Natural Science Youth Fund Project[ZR2023QD117] ; National Key Research and Development Program of China[2024YFF0510100] ; Special Research Assistant Program of the Chinese Academy of Sciences, Qingdao Postdoctoral Project[QDBSH20230101017] ; Key Research and Development Program of Shandong Province[2023CXPT008] ; International Partnership Program[058GJHZ2023058FN] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001554980200002 |
| 出版者 | ELSEVIER SCIENCE SA |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/203182]  |
| 专题 | 海洋研究所_海洋腐蚀与防护研究发展中心 |
| 通讯作者 | Duan, Jizhou |
| 作者单位 | Chinese Acad Sci, Inst Oceanol, State Key Lab Adv Marine Mat, Qingdao 266071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Jiawen,Duan, Jizhou,Zhang, Yimeng,et al. Transparent hybrid coatings for marine antifouling: Synergizing amphiphilicity, nanocellulose lubrication, and electrostatic repulsion[J]. CHEMICAL ENGINEERING JOURNAL,2025,521:14. |
| APA | Sun, Jiawen.,Duan, Jizhou.,Zhang, Yimeng.,Zhai, Xiaofan.,Zhu, Yuqing.,...&Hou, Baorong.(2025).Transparent hybrid coatings for marine antifouling: Synergizing amphiphilicity, nanocellulose lubrication, and electrostatic repulsion.CHEMICAL ENGINEERING JOURNAL,521,14. |
| MLA | Sun, Jiawen,et al."Transparent hybrid coatings for marine antifouling: Synergizing amphiphilicity, nanocellulose lubrication, and electrostatic repulsion".CHEMICAL ENGINEERING JOURNAL 521(2025):14. |
入库方式： OAI收割
来源：海洋研究所
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