Layered aluminum tri-polyphosphate as intercalation host for 6-aminohexanoic acid – Synthesis, characterization and application as corrosion protection inhibitor for low carbon steel


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Output type: Journal article

UM6P affiliated Publication?: Yes

Author list: Hejjaj C., Ait Aghzzaf A., Bouali I., Hakkou R., Dahbi M., Fischer C.B.

Publisher: Elsevier

Publication year: 2021

Journal: Corrosion Science (0010-938X)

Volume number: 181

ISSN: 0010-938X

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099618189&doi=10.1016%2fj.corsci.2021.109239&partnerID=40&md5=7842a7adad6fe1d971ec3f4b1a82f453

Languages: English (EN-GB)


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Abstract

Developing efficient inhibitors based on eco-friendly compounds for steel protection is crucially important. Here the synthesis and characterization of a new hybrid inhibitor based on intercalation of 6-aminohexanoic acid (6-AHA) in layered aluminum tri-polyphosphate (ATP) are reported. ATP and the inorganic-organic hybrid inhibitor system ATP-6-AHA are characterized by XRD, thermal gravimetric analysis (TGA), SEM, IR and Raman spectroscopy. The interlayer space of ATP is expanded by 10.1 Å, with 6-AHA planes arranged in bilayers. Corrosion efficiency of ATP-6-AHA was evaluated in 0.1 M and 3.5 % NaCl using electrochemical impedance spectroscopy (EIS) and showed a significantly reduced corrosion for steel S235. © 2021 Elsevier Ltd


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Last updated on 2021-26-11 at 23:16