Emulsion Polymerisation of Poly(Methyl Methacrylate)-Grafted-Graphene Oxide (PMMA-GO): Effect of Surfactant Concentration on Colloidal Stabilization

Abstract:

Graphene oxide (GO) exhibits a wide range of outstanding mechanical, electrical, and physical characteristics, and it is of substantial interest to impart such qualities onto polymeric materials such as poly (methyl methacrylate) PMMA for wider specialized functionalization. The attention of this work is on the development of emulsion polymerization procedure to prepare PMMA-GO nanocomposite and the effect of sodium dodecyl sulphate (SDS) surfactant dosages incorporated during the polymerization, on the effect of PMMA surface interactions in oil. The grafting efficiency is quantified using the Fourier-transform infrared spectroscopy (FTIR), and the effect of surfactant concentration on PMMA-GO stability is examined using UV-Visible spectroscopy, zeta potential and particle size analyses using the Malvern Zetasizer. The surfactant free emulsion has a better stabilization in terms of zeta potential analysis compared to emulsion of PMMA-GO with 0.32, and 0.4 wt. % of SDS. The polymerized PMMA-GO can be used as a model system to alter wax crystallization at low temperatures in oil and gas industries.

• Periodical: Materials Science Forum (Volume 1102)
• Pages: 21-26
• DOI: https://doi.org/10.4028/p-Iqo7TL
• Online since: October 2023
• Authors: Muhammad Naziff Ahamad Said*, Nurul Anis Hasbullah, Muhammad Ridhwan Hafiz Rosdi, Arjulizan Rusli, Azlan Ariffin, Mohamad Danial Shafiq
• Keywords: Emulsion Polymerization, PMMA-GO, Surface Interaction, Surfactant, Wax Stability

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