Journal
PROGRESS IN ORGANIC COATINGS
Volume 155, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2021.106224
Keywords
Carbon steel; Polymer coatings; EIS; IR spectroscopy
Funding
- Fundamental Research Funds for the Central Universities [N180702024]
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The heating treatment induced an elimination reaction between hydroxyl groups, reducing water transport channels formed by intermolecular forces. Lignin nanocellulose acted as an effective barrier against corrosive media penetration. The synergistic effects of heating treatment and lignin nanocellulose addition greatly improved the corrosion resistance of the composite coating.
A method combining a heating treatment with the addition of lignin nanocellulose (LNC) was designed to improve the corrosion resistance of a polyvinyl alcohol coating. The heating treatment induced an elimination reaction occurred between the hydroxyl groups, which significantly reduced the water transport channels formed by the intermolecular forces of the hydroxyl groups. Moreover, the lignin nanocellulose worked effectively as a barrier against the penetration of corrosive media. Due to the synergistic effects of the heating treatment and the addition of lignin nanocellulose, the corrosion resistance of the composite coating was greatly improved.
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