Surface-modified cerium oxide as a corrosion inhibitor to enhance the performance of epoxy coatings

Dong, Yinxia; Zhang, Yingjun; Cui, Xuejun; Li, Mingtian; Xie, Chun; Pan, Zhongwen

doi:10.1108/acmm-02-2023-2762

Cited by 6 publications

(4 citation statements)

References 28 publications

(32 reference statements)

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“…When the compressive stress exceeded the limit that the surface could withstand, wrinkling occurred (Mao et al , 2012). At the same time, during the curing process of the coating, the evaporation of solvents creates some micropores (Dong et al , 2023).…”

Section: Resultsmentioning

confidence: 99%

Research of antiaging behavior of a new sealing coating for color painting cultural relics

Li,

Gao,

et al. 2024

ACMM

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Purpose The color painting of ancient buildings has high historical and artistic value but is prone to aging due to long-term outdoor exposure. The purpose of this study is to develop a new type of sealing coating to mitigate the impact of ultraviolet (UV) light on color painting. Design/methodology/approach The new coating was subjected to a 500-h UV-aging test. Compared with the existing acrylic resin Primal AC33, the UV aging behavior of the new coating, such as color difference and gloss, was studied with aging time. The Fourier infrared spectra of the coatings were analyzed after the UV-aging test. Findings Compared with AC33, the antiaging performance of SF8 was substantially improved. SF8 has a lower color difference value and better light retention and hydrophobicity. The Fourier transform infrared spectroscopy results showed that the C-F bond and Si-O bonds in the resin of the optimized sealing coating protected the main chain C-C structure from degradation during the aging process; thus, the resin maintained good stability. The hindered amine light stabilizer TN292 added to the coating inhibited the antiaging process by trapping active free radicals. Originality/value To address the problem of UV aging of oil-decorated colored paintings, a new type of sealing coating with excellent antiaging properties was developed, laying the foundation for its demonstration application on the surface of ancient buildings.

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Section: Resultsmentioning

confidence: 99%

Research of antiaging behavior of a new sealing coating for color painting cultural relics

Li,

Gao,

et al. 2024

ACMM

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“…CeO 2 and cerium salts are effective metal corrosion inhibitors and are frequently used by researchers to modify PANI fillers (Dong et al, 2023a;Dong et al, 2023b;Tavandashti et al, 2016a). The protection of PANI/CeO 2 epoxy coatings was accessed by Lei et al (2020), and results from LEIS have demonstrated the exceptional improvement of corrosion protection performance provided by the PANI/ CeO 2 /epoxy coatings.…”

Section: Active Agentsmentioning

confidence: 99%

Recent progress of self-healing polyaniline organic composite coatings: active agents, methods and protection mechanism

Liu,

Shao

et al. 2024

ACMM

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Purpose Polyaniline (PANI) has garnered attention for its potential applications in anticorrosion fields because of its unique properties. Satisfactory outcomes have been achieved when using PANI as a functional filler in organic coatings. More recently, research has extensively explored PANI-based organic coatings with self-healing properties. The purpose of this paper is to provide a summary of the active agents, methods and mechanisms involved in the self-healing of organic coatings. Design/methodology/approach This study uses specific doped acids and metal corrosion inhibitors as active and self-healing agents to modify PANI using the methods of oxidation polymerization, template synthesis, nanosheet carrier and nanocontainer loading methods. The anticorrosion performance of the coatings is evaluated using EIS, LEIS and salt spray tests. Findings Specific doped acids and metal corrosion inhibitors are used as active agents to modify PANI and confer self-healing properties to the coatings. The coatings’ active protection mechanism encompasses PANI’s own passivation ability, the adsorption of active agents and the creation of insoluble compounds or complexes. Originality/value This paper summarizes the active agents used to modify PANI, the procedures used for modification and the self-healing mechanism of the composite coatings. It also proposes future directions for developing PANI organic coatings with self-healing capabilities. The summaries and proposals presented may facilitate large-scale production of the PANI organic coatings, which exhibit outstanding anticorrosion competence and self-healing properties.

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“…For the first approach, various organic and inorganic inhibitors were added into the epoxy coating formulations (De Lima-Neto et al , 2008; Morozov et al , 2019; Toorani et al , 2021; Sanaei et al , 2017; Bahrani et al , 2018; Xavier, 2018; Nguyen et al , 2022b; Dong et al , 2023a; Dong et al , 2023b). These inhibitors were added into coating ingredients through various coating layers, such as pretreatment/primer coat/topcoat.…”

Section: Introductionmentioning

confidence: 99%

Synergistic effect of oxide nanoparticles and inorganic inhibitor on anti-corrosion performance of epoxy coating

Nguyen,

Do Truc,

Nguyen

et al. 2024

ACMM

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Purpose This study aims to explore the synergistic effect of oxide nanoparticles (ZnO, Fe2O3, SiO2) and cerium nitrate inhibitor on anti-corrosion performance of epoxy coating. First, cerium nitrate inhibitors are absorbed on the surface of various oxide nanoparticles. Thereafter, epoxy nanocomposite coatings have been fabricated on carbon steel substrate using these oxide@Ce nanoparticles as both nano-fillers and nano-inhibitors. Design/methodology/approach To evaluate the impact of oxides@Ce nanoparticles on mechanical properties of epoxy coating, the abrasion resistance and impact resistance of epoxy coatings have been examined. To study the impact of oxides@Ce nanoparticles on anti-corrosion performance of epoxy coating for steel, the electrochemical impedance spectroscopy has been carried out in 3% NaCl solution. Findings ZnO@Ce3+ and SiO2@Ce3+ nanoparticles provide more enhancement in the epoxy pore network than modification of the epoxy/steel interface. Whereas, Fe2O3@Ce3+ nanoparticles have more to do with modification of the epoxy/steel interface than to change the epoxy pore network. Originality/value Incorporation of both oxide nanoparticles and inorganic inhibitor into the epoxy resin is a promising approach for enhancing the anti-corrosion performance of carbon steel.

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Surface-modified cerium oxide as a corrosion inhibitor to enhance the performance of epoxy coatings

Cited by 6 publications

References 28 publications

Research of antiaging behavior of a new sealing coating for color painting cultural relics

Research of antiaging behavior of a new sealing coating for color painting cultural relics

Recent progress of self-healing polyaniline organic composite coatings: active agents, methods and protection mechanism

Synergistic effect of oxide nanoparticles and inorganic inhibitor on anti-corrosion performance of epoxy coating

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