Corrosion inhibition of copper in sodium chloride solution using polyetherimide/graphene composites

Hesham Alhumade, Ahmed Abdala, Aiping Yu, Ali Elkamel, Leonardo Simon

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In this study, polyetherimide-graphene composites (PEI/G) were prepared and investigated as corrosion inhibition coatings on copper substrates. Various loadings of graphene were incorporated in the polyetherimide matrix using an in situ polymerization approach, and the composite coatings were cured by thermal imidization. The effect of graphene loading on corrosion inhibition and the long-term performance of the PEI/G coatings were investigated. The dispersion of graphene in the polymer matrix was examined using SEM and TEM. The study demonstrated that PEI/G nanocomposites provide advanced corrosion inhibition of copper. This conclusion was supported by the results of various electrochemical techniques such as Tafel polarization and electrochemical impedance spectroscopy (EIS). In addition to corrosion protection, the long-term performance of the coatings was confirmed by testing the adhesion of PEI/G composites to copper substrates before conducting the electrochemical tests and after 15 days of exposure to the corrosive medium.

Original languageEnglish
Pages (from-to)896-904
Number of pages9
JournalCanadian Journal of Chemical Engineering
Volume94
Issue number5
DOIs
Publication statusPublished - 1 May 2016

Fingerprint

Polyetherimides
Graphite
Sodium chloride
Sodium Chloride
Graphene
Copper
Corrosion
Composite materials
Composite coatings
Coatings
Caustics
Corrosion protection
Substrates
polyetherimide
Polymer matrix
Electrochemical impedance spectroscopy
Nanocomposites
Adhesion
Polymerization
Polarization

Keywords

  • adhesion
  • graphene
  • in situ polymerization
  • nanocomposites
  • polyetherimide

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Corrosion inhibition of copper in sodium chloride solution using polyetherimide/graphene composites. / Alhumade, Hesham; Abdala, Ahmed; Yu, Aiping; Elkamel, Ali; Simon, Leonardo.

In: Canadian Journal of Chemical Engineering, Vol. 94, No. 5, 01.05.2016, p. 896-904.

Research output: Contribution to journalArticle

Alhumade, Hesham ; Abdala, Ahmed ; Yu, Aiping ; Elkamel, Ali ; Simon, Leonardo. / Corrosion inhibition of copper in sodium chloride solution using polyetherimide/graphene composites. In: Canadian Journal of Chemical Engineering. 2016 ; Vol. 94, No. 5. pp. 896-904.
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