为解决船体表面生物污损现象造成的船舶运行阻力增大、寿命降低等问题。本文研究利用反应离子刻蚀（RIE）技术方法，制备具有特定微结构的304不锈钢防污表面，选用三角褐指藻（P. tricornutum）和小球藻（C. pyrenoidosa）为目的污损生物，对微结构表面开展防污实验。使用接触角测量仪分析微结构表面的浸润性，利用激光扫描共聚焦显微镜（LSCM）和ImageJ软件对微结构表面的防污性能进行评价。结果表明：微结构表面接触角增大至108.5°，为疏水表面；微结构表面对三角褐指藻和小球藻的抑制率达到91.5%和89.8%，显示出优异的防污能力。该新型微结构表面为船舶绿色防污减阻表面的设计提供依据。
Aiming at the problem of increased ship operation resistance and reduced life span caused by the phenomenon of biofouling on the hull surface, reactive ion etching (RIE) technology was applied to prepare a 304 stainless steel antifouling surface with a specific microstructure. P. tricornutum and C. pyrenoidosa were selected as the target fouling organisms, Carry out anti-fouling experiments on the surface of the microstructure. A contact angle measuring instrument was used to analyze the wettability of the microstructure surface, and the antifouling performance of the microstructure surface was evaluated using a laser scanning confocal microscope (LSCM) and ImageJ software. The results showed that the contact angle of the microstructure surface increased to 108.5° and became a hydrophobic surface; the inhibition rate of the microstructure surface on P. tricornutum and C. pyrenoidosa reached 91.5% and 89.8%, showing excellent antifouling ability. The new microstructured surface provides a basis for the design of the green anti-fouling and drag-reducing surface of ships.
2022,44(1): 82-85 收稿日期：2021-03-08
DOI：10.3404/j.issn.1672-7649.2022.01.016
分类号：U687.5
基金项目：国家自然科学基金资助项目(51905468)；江苏省自然科学基金资助项目(BK20190916)
作者简介：曹攀(1989-)，男，博士，副教授，主要研究方向为船体绿色防污新技术
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