Corrosion Resistance Study of Cyclocarboxypropyl Oleic Acid-Doped Polyaniline/Epoxy Composite Coatings.

Xinning Xu, Xiaofeng Li, Taihua Zhang, Wei Guo, Yan An, Tao Liu

Abstract read

In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

6 authors.

Xinning XuCollege of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China.

Xiaofeng LiCollege of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China.

Taihua ZhangCollege of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China.

Wei GuoCollege of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China.

Yan AnCollege of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China.

Tao LiuCollege of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China.

Funding

Shanghai Engineering Technology Research Centre of Deep Offshore Material 19DZ2253100

6 · The paper itself

Abstract

Corrosion inhibitors can form dense, protective layers on metal surfaces, thereby preventing the penetration of corrosive media and ensuring the long-term safety of industrial equipment and energy facilities. Polyaniline (PANI), renowned for its excellent conductivity and redox activity, not only facilitates the formation of passivation layers on metals but also mitigates pitting corrosion. In this study, a novel doped PANI was synthesized through chemical oxidation using cyclic carboxypropyl oleic acid (CCHOA) as a dopant, and its anti-corrosion properties were evaluated by incorporation into epoxy resin coatings. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR) analyses confirmed that CCHOA-doped PANI produced a more uniform and compact microstructure with reduced agglomeration. The corrosion resistance and toughness of the epoxy coatings initially improved with increasing CCHOA content, but then slightly declined, which allowed us to determine the optimal doping level for PANI. The ideal concentration was found to be 0.5 mol/L in the epoxy resin matrix.

Indexed as

CCHOAcorrosion resistance performancedoped PANIepoxy composite coating

Identifiers

PMID41003052

DOI10.3390/nano15181416

PMCPMC12472626

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.