基于马来酸酐共聚物的贻贝启发通用防雾涂层，具有可定制的功能特性结构设计。

IF 3.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-10-23 DOI:10.1021/acs.langmuir.5c03651

Kaihui Pan,Zexin Zhang,Yang Liu,Yihao Wang,Li Wang,Wantai Yang

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引用次数: 0

摘要

本研究以聚乙烯-马来酸酐（PEMA）为骨架，与多巴胺（DA）和N，N-二甲氨基丙胺（DMAPA）酰胺化反应合成pma -g-DA/DMAPA。对pama - da - dmapa季铵化涂层的防雾性能、稳定性、通用性和抗菌性能进行了测试和分析。实验结果表明，poma - da - dmapa涂层具有良好的防雾性能，其水接触角（WCA）低至10.7°。与衬底相比，pama - da - dmapa涂层的摩擦系数明显降低。即使经过5天浸泡或60次循环试验，涂层仍保持优异的防雾性能。该涂层可广泛应用于透明基材的表面，如聚甲基丙烯酸甲酯（PMMA）、聚对苯二甲酸乙二醇酯（PET）、聚碳酸酯（PC）等。具体来说，PC表面的WCA从89.5°显著下降到11.9°。经季铵化处理后，涂层对金黄色葡萄球菌（S. aureus）具有显著的抑菌活性，最高抑菌率为97.23%。

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Mussel-Inspired Universal Anti-Fogging Coating Based on Maleic Anhydride Copolymers with Customizable Structural Design for Functional Properties.

In this study, poly(ethylene-alt-maleic anhydride) (PEMA) was selected as the backbone, and PEMA-g-DA/DMAPA was synthesized through an amidation reaction with dopamine (DA) and N,N-dimethylaminopropylamine (DMAPA). The antifogging performance, stability, universality, and antibacterial property after quaternization of the PEMA-DA-DMAPA coating were tested and analyzed. Experimental results showed that the PEMA-DA-DMAPA coating exhibited great antifogging performance, with the water contact angle (WCA) as low as 10.7°. The coefficient of friction of the PEMA-DA-DMAPA coating decreased significantly compared with that of the substrate. Even after 5 days of immersion or 60 cycling tests, the coating still maintained excellent antifogging properties. This coating can be widely applied to the surfaces of transparent substrates, such as poly(methyl methacrylate)(PMMA), polyethylene terephthalate (PET), and polycarbonate (PC). Specifically, the WCA on the PC surface dropped significantly from 89.5° to 11.9°. After quaternization, the coating exhibited notable antibacterial activity against Staphylococcus aureus (S. aureus), with a maximum antibacterial rate of 97.23%.

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).