School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, PR China.
Shandong Chambroad HoldingGroup Co Ltd, Binzhou, Boxing City 256599, PR China.
ACS Appl Mater Interfaces. 2024 Sep 4;16(35):46690-46702. doi: 10.1021/acsami.4c06525. Epub 2024 Aug 21.
The development of nontoxic antifouling coatings in static marine environments is urgent. Herein, the successful synthesis of sulfobetaine borneol fluorinated polymers (PEASBF) by a free radical polymerization method is reported. The PEASBF coatings exhibit outstanding antifouling activity, which effectively resists the adhesion of (FITC-BSA adhesion rate: 0.5%), . (Biofilm: 1.3 absorbance) and (Diatom attachment rate: 33%). More importantly, the PEASBF coatings display outstanding fouling release properties, achieving a release rate of 98% for , and the absorbance of the . biofilm is only 0.2 under 10 Pa shear stress. XPS and MD studies showed that the fluorinated/isobornyl groups induce more sulfobetaine groups to migrate toward polymer surfaces for intensify antifouling. Additionally, the chiral stereochemical structure of borneol enhances antifouling and fouling release ability of amphiphilic polymers. Therefore, the PEASBF has the potential for static marine antifouling applications.
在静态海洋环境中开发无毒防污涂料迫在眉睫。本文通过自由基聚合方法成功合成了具有磺酸甜菜碱冰片基氟聚合物（PEASBF）。PEASBF 涂层表现出优异的防污活性，有效抵抗了 （FITC-BSA 黏附率：0.5%）、 （生物膜：1.3 吸光度）和 （硅藻附着率：33%）的黏附。更重要的是，PEASBF 涂层具有出色的自清洁性能，对 的释放率达到 98%，在 10 Pa 剪切应力下， 的生物膜吸光度仅为 0.2。XPS 和 MD 研究表明，氟代/异冰片基基团促使更多的磺酸甜菜碱基团向聚合物表面迁移，从而增强防污性能。此外，冰片的手性立体化学结构增强了两亲聚合物的防污和自清洁能力。因此，PEASBF 具有在静态海洋防污应用中的潜力。
