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基于功能化CeO和AlO纳米颗粒的聚氨酯纳米复合材料的功能性紫外线阻挡和超疏水涂层。

Functional UV Blocking and Superhydrophobic Coatings Based on Functionalized CeO and AlO Nanoparticles in a Polyurethane Nanocomposite.

作者信息

Velasco-Soto Miguel Angel, Vázquez-Velázquez Arturo Román, Pérez-García Sergio Alfonso, Bautista-Carrillo Lilia Magdalena, Vorobiev Pavel, Méndez-Reséndiz Abraham, Licea-Jiménez Liliana

机构信息

Centro de Investigación en Materiales Avanzados S.C., Unidad Monterrey, Alianza Norte No. 202, PIIT, Apodaca CP 66628, N.L., Mexico.

Instituto Tecnológico y de Estudios Superiores de Monterrey, Eugenio Garza Sada Ave. 2501, Tecnológico, Monterrey CP 64849, N.L., Mexico.

出版信息

Polymers (Basel). 2024 Sep 25;16(19):2705. doi: 10.3390/polym16192705.

DOI:10.3390/polym16192705
PMID:39408416
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11478342/
Abstract

Water repellency has significant potential in applications like self-cleaning coatings, anti-staining textiles, and electronics. This study introduces a novel nanocomposite system incorporating functionalized AlO and CeO nanoparticles within a polyurethane matrix to achieve hydrophobic and UV-blocking properties. The nanoparticles were functionalized using an octadecyl phosphonic acid solution and characterized by FTIR and XPS, confirming non-covalent functionalization. Spin-coated polyurethane coatings with functionalized and non-functionalized AlO, CeO and binary AlO-CeO nanoparticles were analyzed. The three-layered AlO-CeO-ODPA binary system achieved a contact angle of 166.4° and 85% transmittance in the visible range. Incorporating this binary functionalized system into a 0.4% / polyurethane solution resulted in a nanocomposite with 75% visible transmittance, 60% at 365 nm UV, and a 147.7° contact angle after three layers. These findings suggest that ODPA-functionalized nanoparticles, when combined with a polymer matrix, offer a promising approach to developing advanced hydrophobic and UV-protective coatings with potential applications across various industrial sectors.

摘要

疏水性在自清洁涂层、防污纺织品和电子产品等应用中具有巨大潜力。本研究引入了一种新型纳米复合体系，该体系在聚氨酯基体中掺入功能化的AlO和CeO纳米颗粒，以实现疏水和紫外线阻隔性能。使用十八烷基膦酸溶液对纳米颗粒进行功能化处理，并通过傅里叶变换红外光谱（FTIR）和X射线光电子能谱（XPS）对其进行表征，证实了非共价功能化。对涂覆有功能化和非功能化的AlO、CeO以及二元AlO-CeO纳米颗粒的旋涂聚氨酯涂层进行了分析。三层AlO-CeO-ODPA二元体系在可见光范围内的接触角达到166.4°，透光率为85%。将这种二元功能化体系掺入0.4%的聚氨酯溶液中，得到的纳米复合材料在可见光范围内的透光率为75%，在365 nm紫外线处为60%，三层后接触角为147.7°。这些发现表明，ODPA功能化的纳米颗粒与聚合物基体结合时，为开发具有先进疏水和紫外线防护性能的涂层提供了一种有前景的方法，这种涂层在各个工业领域都有潜在应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/bf9d53661c7a/polymers-16-02705-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/9307bed627ab/polymers-16-02705-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/1a7e38fc0cc9/polymers-16-02705-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/9d55c953990b/polymers-16-02705-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/d5a390710636/polymers-16-02705-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/3ae2eb4e0d2f/polymers-16-02705-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/a3a47be6cca9/polymers-16-02705-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/abc094980b52/polymers-16-02705-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/a3c9d51497be/polymers-16-02705-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/bf9d53661c7a/polymers-16-02705-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/9307bed627ab/polymers-16-02705-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/1a7e38fc0cc9/polymers-16-02705-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/9d55c953990b/polymers-16-02705-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/d5a390710636/polymers-16-02705-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/3ae2eb4e0d2f/polymers-16-02705-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/a3a47be6cca9/polymers-16-02705-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/abc094980b52/polymers-16-02705-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/a3c9d51497be/polymers-16-02705-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/17ba/11478342/bf9d53661c7a/polymers-16-02705-g009.jpg

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