Eurostars: Productos sulfonados derivados de óxido de grafeno para emplear en dispersión epoxy
Referencia : RDRTR20231113018
Caduca : 2024-04-11 00:00:00
The aim of this study is to produce two different surface-modified graphene oxide nanosheets. This research investigates the synergistic inhibition effects of (lignocellulose and graphene oxide) and (sulfonated polyaniline and graphene oxide) in a water-based corrosion protective coating.
In this study, water-based coatings are known to have poorer corrosion protection compared to solvent-based coatings. Graphene oxide serves as an effective nanofiller due to its sheet-like structure. However, its high polarity causes significant water absorption in coatings and does not inherently have a corrosion inhibition function. In this research, lignosulfonate and graphene oxide will be prepared by loading lignosulfonate on graphene nanosheets. Additionally, its effectiveness will be increased by adding functional groups to the graphene oxide surface. In summary, this research explores enhancing corrosion protection in water-based coatings with graphene nanosheets loaded with lignosulfonate and sulfonated polyaniline. The goal is to effectively address the water absorption problem and promote corrosion inhibition on metal surfaces. Advantages and innovation In this work, our aim is to enhance the typically weak corrosion protection of water-based coatings. We plan to contribute effectively to coatings using graphene oxide (GO) nanosheets due to their layered structure. However, there is an issue of water absorption in coatings due to the high polarity of graphene oxide. To address this problem, we aim to improve corrosion protection by loading lignosulfonate (LS) onto the nanosheets of graphene oxide. Additionally, we intend to create a passive film on the metal surface by adding sulfonated polyaniline (S-PAni) to the surface of graphene oxide. We hope that these two materials will work synergistically in a water-based epoxy coating, reducing corrosion and proving effective in defective areas of the coating. Technical Specification or Expertise Sought Graphene Oxide; Corrosion; Lignosulfonate; Sulfonated Polyaniline; Steel; Corrosion Inhibition; chemistry; polymers; innovation Framework program Eureka Call title and identifier Eureka Eurostars Call Submission and evaluation scheme Anticipated project budget Coordinator required No Deadline for EoI 11/04/2024 Deadline of the call 13/04/2024
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