Preparation and properties of a UV-curable coating containing rare earth CeO2

IF 3.9 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

RSC Advances Pub Date : 2025-07-23 DOI:10.1039/D5RA02778K

Yihua Sun, Guoyao Li and Rong Zhong

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Abstract

A UV-curable coating with UV and blue light protection was prepared by incorporating modified rare earth nano cerium dioxide (CeO₂) treated with the silane coupling agent KH570. The structures of the modified CeO₂ and the resulting UV-curable coating were characterized using Fourier Transform Infrared Spectroscopy, X-ray diffraction, scanning electron microscopy, and thermogravimetric analysis. UV spectral analysis was conducted to evaluate the UV shielding performance of the coating. The results demonstrated that the nano-CeO₂ was uniformly distributed within the polymer matrix of the cured coating. The coating exhibited UV shielding capabilities ranging from 58% to 98% in the UVB region (280–315 nm), as well as effective protection against blue light (400–450 nm), and the visible light transmittance is maintained at about 90%. The UV-cured coating also displayed excellent mechanical properties, indicating its potential application in electronic products.

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含稀土CeO2光固化涂料的制备及性能研究

采用硅烷偶联剂KH570对改性稀土纳米二氧化铈（CeO2）进行处理，制备了一种具有紫外和蓝光防护的紫外光固化涂层。利用傅里叶变换红外光谱、x射线衍射、扫描电镜和热重分析对改性后的CeO2及其紫外光固化涂层的结构进行了表征。紫外光谱分析评价了涂层的紫外屏蔽性能。结果表明，纳米ceo2在固化涂层的聚合物基体内分布均匀。该涂层在UVB区（280 ~ 315 nm）具有58% ~ 98%的紫外线屏蔽能力，对蓝光（400 ~ 450 nm）具有有效的屏蔽能力，可见光透过率保持在90%左右。紫外光固化涂层还显示出优异的机械性能，表明其在电子产品中的潜在应用。

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来源期刊

RSC Advances chemical sciences-

CiteScore

7.50

自引率

2.60%

发文量

3116

审稿时长

1.6 months

期刊介绍： An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.