Fabrication of a silane-modified superhydrophobic TiO2–PVDF–FEP coating with scale inhibition performance

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Frontiers of Materials Science Pub Date : 2024-11-29 DOI:10.1007/s11706-024-0707-7

Huijuan Qian, Congying Lu, Jin Huang, Zhonggui Luo, Haifeng Wang, Zhifeng Hou, Chao Wang, Limin Li, Qinghe Gao, Mingliang Zhu

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Abstract

Titanium dioxide (TiO₂) whiskers modified with octadecyltrimethoxysilane were incorporated into the coating solution through a solution blending method. The superhydrophobic coating was designed and fabricated using polyvinylidene fluoride (PVDF) and polyperfluorinated ethylene propylene (FEP) as the main constituents, while silane-modified TiO₂ whiskers as the fillers. The results demonstrated that after a 360-h scaling test, the mass of CaCO₃ on the surface of the resulted silane-modified superhydrophobic TiO₂–PVDF–FEP coating was only 1.90 mg·cm⁻², decreased by 37.1% and 16.7% compared with those on the PVDF–FEP coating and the TiO₂–PVDF–FEP coating, respectively. The synergistic effects of the air film, silane-modified TiO₂ whiskers, and superhydrophobicity ensure that this superhydrophobic TiO₂–PVDF–FEP coating has excellent scale inhibition performance. This study presents a novel approach for advancing the development of superhydrophobic coatings, offering promising prospects for industrial-scale applications in preventive measures.

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制备具有阻垢性能的硅烷改性超疏水 TiO2-PVDF-FEP 涂层

通过溶液混合法，在涂层溶液中加入了用十八烷基三甲氧基硅烷改性的二氧化钛（TiO2）晶须。以聚偏氟乙烯（PVDF）和聚全氟乙烯-丙烯（FEP）为主要成分，硅烷修饰的二氧化钛晶须为填料，设计并制作了超疏水涂层。结果表明，经过 360 小时的缩放试验后，硅烷改性超疏水 TiO2-PVDF-FEP 涂层表面的 CaCO3 质量仅为 1.90 mg-cm-2，与 PVDF-FEP 涂层和 TiO2-PVDF-FEP 涂层相比，分别减少了 37.1%和 16.7%。空气膜、硅烷改性 TiO2 晶须和超疏水的协同作用确保了这种超疏水 TiO2-PVDF-FEP 涂层具有优异的阻垢性能。本研究提出了一种推进超疏水涂层开发的新方法，为预防措施的工业规模应用提供了广阔前景。

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来源期刊

Frontiers of Materials Science MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.20

自引率

3.70%

发文量

515

期刊介绍： Frontiers of Materials Science is a peer-reviewed international journal that publishes high quality reviews/mini-reviews, full-length research papers, and short Communications recording the latest pioneering studies on all aspects of materials science. It aims at providing a forum to promote communication and exchange between scientists in the worldwide materials science community. The subjects are seen from international and interdisciplinary perspectives covering areas including (but not limited to): Biomaterials including biomimetics and biomineralization; Nano materials; Polymers and composites; New metallic materials; Advanced ceramics; Materials modeling and computation; Frontier materials synthesis and characterization; Novel methods for materials manufacturing; Materials performance; Materials applications in energy, information and biotechnology.