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Polymers
Volume 17
Issue 14
10.3390/polym17141966
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Preparation of Barium Europium Phosphate and Its Performance in Acrylic Resin Anti-Corrosion Coating

by
Xuying Deng
†,
Jihu Wang
†,
Shaoguo Wen
*,
Jiale Zhao
,
Xue Zhang
,
Yicheng Zhao
and
Zhiying Deng
College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Polymers 2025, 17(14), 1966; https://doi.org/10.3390/polym17141966
Submission received: 26 May 2025 / Revised: 8 July 2025 / Accepted: 9 July 2025 / Published: 17 July 2025
(This article belongs to the Section Polymer Analysis and Characterization)
Versions Notes

Abstract

Acrylic resin is a polymer with strong crosslinking density and strength, and it is commonly used as a matrix in water-based coatings. Barium europium phosphate (Ba3Eu(PO4)3) is a novel functional filler that is expected to provide anti-corrosive effects to coatings. In this study, Ba3Eu(PO4)3 was prepared by the high-temperature solid-phase method and applied to acrylic anti-corrosion coatings. The influence of the molar ratio of reactants on Ba3Eu(PO4)3 purity was studied. The anti-corrosion performance of the coating was investigated. It was found that, when BaCO3:Eu2O3:(NH4)H2PO4 = 3:0.5:3 and the reaction was carried out at 950 °C for 1000 min, high-purity Ba3Eu(PO4)3 can be obtained, according to XRD and EDS tests. SEM shows that Ba3Eu(PO4)3 has good crystal morphology and a porous morphology. TEM revealed that its structure was intact. When Ba3Eu(PO4)3 was added to a relative resin content of 5 wt%, the anti-corrosion performance of the coating was the best after 168 h, with the lowest Tafel current density of 9.616 μA/cm2 and the largest capacitance arc curvature radius. The salt spray resistance test showed that the corrosion resistance of the 5 wt% Ba3Eu(PO4)3 coating was also the best, which is consistent with the results of the electrochemical test. Ba3Eu(PO4)3 as a pigment and filler can effectively improve the anti-corrosion performance of water-based industrial coatings.
Keywords: high-temperature solid-phase method; barium europium phosphate; filler; electrochemistry; anti-corrosion high-temperature solid-phase method; barium europium phosphate; filler; electrochemistry; anti-corrosion

Share and Cite

MDPI and ACS Style

Deng, X.; Wang, J.; Wen, S.; Zhao, J.; Zhang, X.; Zhao, Y.; Deng, Z. Preparation of Barium Europium Phosphate and Its Performance in Acrylic Resin Anti-Corrosion Coating. Polymers 2025, 17, 1966. https://doi.org/10.3390/polym17141966

AMA Style

Deng X, Wang J, Wen S, Zhao J, Zhang X, Zhao Y, Deng Z. Preparation of Barium Europium Phosphate and Its Performance in Acrylic Resin Anti-Corrosion Coating. Polymers. 2025; 17(14):1966. https://doi.org/10.3390/polym17141966

Chicago/Turabian Style

Deng, Xuying, Jihu Wang, Shaoguo Wen, Jiale Zhao, Xue Zhang, Yicheng Zhao, and Zhiying Deng. 2025. "Preparation of Barium Europium Phosphate and Its Performance in Acrylic Resin Anti-Corrosion Coating" Polymers 17, no. 14: 1966. https://doi.org/10.3390/polym17141966

APA Style

Deng, X., Wang, J., Wen, S., Zhao, J., Zhang, X., Zhao, Y., & Deng, Z. (2025). Preparation of Barium Europium Phosphate and Its Performance in Acrylic Resin Anti-Corrosion Coating. Polymers, 17(14), 1966. https://doi.org/10.3390/polym17141966

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