功能化<strong>MoS<sub>2</sub></strong> 复合涂层的防腐抑菌性能研究

doi:10.11902/1005.4537.2025.293

中国腐蚀与防护学报

2026, Vol. 46

Issue (4): 1058-1066 CSTR: 32134.14.1005.4537.2025.293 DOI: 10.11902/1005.4537.2025.293

研究报告

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功能化MoS₂ 复合涂层的防腐抑菌性能研究

朱硕¹, 李光昊¹, 褚振华¹(

), 唐婉¹, 蒋全通²(

), 许竞翔¹

^1.上海海洋大学工程学院上海 201306
^2.中国科学院海洋研究所海洋环境腐蚀与生物污损重点实验室青岛 266404

Anticorrosive and Antibacterial Properties of Functionalized MoS₂Composite Coatings

ZHU Shuo¹, LI Guanghao¹, CHU Zhenhua¹(

), TANG Wan¹, JIANG Quantong²(

), XU Jingxiang¹

^1.College of Engineering, Shanghai Ocean University, Shanghai 201306, China
^2.Key Laboratory of Corrosion and Biofouling in Marine Environment, Institute of Oceanography, Chinese Academy of Sciences, Qingdao 266404, China

引用本文:

朱硕, 李光昊, 褚振华, 唐婉, 蒋全通, 许竞翔. 功能化MoS₂ 复合涂层的防腐抑菌性能研究[J]. 中国腐蚀与防护学报, 2026, 46(4): 1058-1066.
Shuo ZHU, Guanghao LI, Zhenhua CHU, Wan TANG, Quantong JIANG, Jingxiang XU. Anticorrosive and Antibacterial Properties of Functionalized MoS₂Composite Coatings[J]. Journal of Chinese Society for Corrosion and protection, 2026, 46(4): 1058-1066.

全文: PDF(13142 KB) HTML

摘要:

针对海洋环境中设备长期服役所面临的腐蚀与微生物污损双重威胁，本文设计并制备了一种功能化MoS₂协同环氧基复合防护涂层。通过硅烷偶联剂(KH550)对MoS₂进行表面功能化改性，使其在环氧改性有机硅乳液与丙烯酸树脂混合体系中实现均匀分散。系统研究了MoS₂添加量对涂层形貌结构、电化学性能及对硫酸盐还原菌抑菌性能的影响。结果表明，5‰ (质量分数)改性MoS₂添加显著提升了涂层致密性与均匀性，腐蚀电流密度降低至1.74 × 10^-10 A/cm²，腐蚀速率降低至2.0167 × 10^-6 mm/a，展现出最优耐蚀效果；同时，其对硫酸盐还原菌的抑菌效率达96.2%，通过破坏生物膜结构，实现持续抗菌作用。研究表明，功能化MoS₂可在复合涂层中协同发挥屏障效应与抗菌活性，为高性能海洋防护材料的开发提供了理论基础和实践依据。

关键词 ： MoS₂, 微生物腐蚀, 抑菌

Abstract：

To address the dual challenges of corrosion and microbial fouling faced by equipment during long-term service in the marine environment, a functionalized MoS₂ synergistic epoxy-based composite protective coating was designed and prepared in this study. MoS₂ was surface-functionalized with KH550 to achieve uniform dispersion within the mixed system of epoxy-modified silicone emulsion and acrylic resin. The effect of MoS₂ loading on the coating's morphology, electrochemical performance, and antibacterial activity against sulfate-reducing bacteria (SRB) were systematically investigated. The results demonstrated that an optimal addition of 5‰ functionalized MoS₂ significantly improved the coating's compactness and uniformity, reducing the corrosion current density to 1.74 × 10^-10 A/cm² and the corrosion rate to 2.0167 × 10^-6 mm/a, thereby exhibiting the best corrosion resistance. Meanwhile, the coating achieved an SRB inhibition efficiency of 96.2% through biofilm disruption, which enable the coating sustainable antibacterial performance. These findings indicate that the functionalized MoS₂ can synergistically exert barrier effect and antibacterial activity in composite coatings, providing both theoretical insights and practical guidance for the development of high-performance marine protective materials.

Key words： molybdenum disulfide microbial corrosion bacterial inhibition

收稿日期: 2025-09-16 32134.14.1005.4537.2025.293

ZTFLH:

TG174

通讯作者: 褚振华，E-mail：zhchu@shou.edu.cn，研究方向为海洋材料腐蚀与防护蒋全通，E-mail：jiangquantong@qdio.ac.cn，研究方向为海洋腐蚀与防护

Corresponding author: CHU Zhenhua, E-mail: zhchu@shou.edu.cnJIANG Quantong, E-mail: jiangquantong@qdio.ac.cn

作者简介: 朱硕，男，1997年生，硕士生

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https://www.jcscp.org/CN/10.11902/1005.4537.2025.293 或 https://www.jcscp.org/CN/Y2026/V46/I4/1058

图1 改性前后MoS2 FTIR谱图

图2 不同含量MoS2涂层SEM表面显微形貌

图3 不同含量MoS2涂层的极化曲线图、Nyquist图和Bode图

表1 涂层的极化曲线拟合参数

图4 在SRB悬浮液中浸泡3、7、14 d后附着在涂层上的细菌密度

图5 在SRB悬浮液中浸泡3、7、14 d后附着在涂层上的荧光强度

图6 在含有SRB的培养基中浸泡14 d后，涂层表面的扫描电镜图像

图7 涂层表面SRB的能谱分析

图8 涂层的XPS分析总谱和Mo 3d高分辨分谱

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