Bactericidal and anticorrosion properties in PVK/MWNT nanocomposite coatings on stainless steel

Catherine M. Santos, Karina Milagros Cui, Farid Ahmed, Maria Celeste R Tria, Regina Aileen May V Vergara, Al Christopher De Leon, Rigoberto C. Advincula, Debora F. Rodrigues

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A PVK/MWNT nanocomposite coating on stainless steel is developed and tested for antimicrobial and anticorrosion properties. The coating is prepared via electrochemical deposition onto SS surfaces and is monitored using cyclic voltammetry. High-resolution XPS measurements of the C 1s and N 1s regions are used to estimate the film composition. AFM shows a homogeneous thin film of several μm thickness with well-defined globular domains. The bactericidal functionality of the electrodeposited film is demonstrated by its antibacterial activity against Escherichia coli, even with low MWNT loading (≈6%). The excellent anticorrosion property of the coating is demonstrated after 7 d of exposure to NaCl (0.5 M) solution.

Original languageEnglish
Pages (from-to)807-813
Number of pages7
JournalMacromolecular Materials and Engineering
Volume297
Issue number8
DOIs
Publication statusPublished - 2012 Aug
Externally publishedYes

Fingerprint

Stainless Steel
Nanocomposites
Stainless steel
Coatings
Escherichia coli
Cyclic voltammetry
X ray photoelectron spectroscopy
Thin films
Chemical analysis

Keywords

  • antibacterial
  • carbon nanotubes
  • corrosion
  • nanocomposites
  • PVK

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Santos, C. M., Milagros Cui, K., Ahmed, F., Tria, M. C. R., Vergara, R. A. M. V., De Leon, A. C., ... Rodrigues, D. F. (2012). Bactericidal and anticorrosion properties in PVK/MWNT nanocomposite coatings on stainless steel. Macromolecular Materials and Engineering, 297(8), 807-813. https://doi.org/10.1002/mame.201100334

Bactericidal and anticorrosion properties in PVK/MWNT nanocomposite coatings on stainless steel. / Santos, Catherine M.; Milagros Cui, Karina; Ahmed, Farid; Tria, Maria Celeste R; Vergara, Regina Aileen May V; De Leon, Al Christopher; Advincula, Rigoberto C.; Rodrigues, Debora F.

In: Macromolecular Materials and Engineering, Vol. 297, No. 8, 08.2012, p. 807-813.

Research output: Contribution to journalArticle

Santos, CM, Milagros Cui, K, Ahmed, F, Tria, MCR, Vergara, RAMV, De Leon, AC, Advincula, RC & Rodrigues, DF 2012, 'Bactericidal and anticorrosion properties in PVK/MWNT nanocomposite coatings on stainless steel', Macromolecular Materials and Engineering, vol. 297, no. 8, pp. 807-813. https://doi.org/10.1002/mame.201100334
Santos, Catherine M. ; Milagros Cui, Karina ; Ahmed, Farid ; Tria, Maria Celeste R ; Vergara, Regina Aileen May V ; De Leon, Al Christopher ; Advincula, Rigoberto C. ; Rodrigues, Debora F. / Bactericidal and anticorrosion properties in PVK/MWNT nanocomposite coatings on stainless steel. In: Macromolecular Materials and Engineering. 2012 ; Vol. 297, No. 8. pp. 807-813.
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