Speakers - 2026 Speakers

Title: The development of graphene oxide-based nanocomposite coatings as anti-corrosion novel surfactant

Abstract

The development of graphene based materials has been significantly increasing since they were invented. In various academic and industrial interests, graphene-based materials have achieved remarkable attention due to its distinctive chemical, mechanical, thermal, electrical and excellent anti-corrosion properties. This study presents the successful formulation of acrylic-epoxy-based polydimethylsiloxane (PDMS) polymer nanocomposite coatings via the solution intercalation method along with the inclusion of different content (0.5-3 wt.%) of graphene oxide (GO) nanoparticles that acted as nanofillers. These coatings have the potential to enhance the anti-corrosion performances and can be utilized for numerous applications. Several important aspects were presented in this investigation: (1) fabrication of highly conductive GO nanoparticles, (2) water contact angle (WCA), (3) cross-hatch test (CHT), (4) electrochemical impedance spectroscopy (EIS) and (5) field emission scanning electron microscopy (FESEM). The WCA measurements confirmed that the inclusion of nanofillers and PDMS had enhanced the surface hydrophobicity of the coatings. The CHT indicated that all the coatings had superior surface adhesion behaviour, receiving 4B and 5B ratings. The EIS studies that were conducted over a period of 60 days revealed that the inclusion of smaller content of nanofiller enhanced the corrosion protection performance of the coatings.

Audience take away from your presentation:

The findings of this research will significantly benefit the audience as prolonging the corrosion reaction will result in a remarkable cost reduction to replace the degraded metal/steel substrates. The multifunctional coatings that are described in this study provides a practical solution as it is well-known that corrosion issues cannot be solved but instead it can only be prolonged. Moreover, the study includes other beneficial explanations to why smaller content of nanofillers and uniform dispersion is more favorable in terms of enhancing the corrosion protection performance and smaller content used indicates the involvement of lowest cost of materials but yet providing a potential solution to this issue. In addition, the techniques employed in this study improved the efficiency of the coating design and wastage of coatings etc. were avoided. In overall, the findings reported in this study is essential for the researchers particularly in the field of corrosion science and it opened new avenues to further explore graphene derivatives for corrosion related applications.