Controllable microemulsion method for the synthesis of Mg(OH) ₂ /PS core–shell structures

Abstract

A core-shell structured Mg(OH) 2 /PS with enhanced surface lipophilicity was successfully synthesized by a microemulsion template. The core magnesium hydroxide was prepared in a cetyltrimethyl ammonium bromide (CTAB)/isopropanol/cyclohexane/water microemulsion, and the shell polystyrene (PS) was formed in situ by adding styrene monomer into oil phase of the microemulsion. The Mg(OH) 2 /PS core-shell nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), thermogravimetry/differential scanning calorimetry (TG/DSC) and Fourier transform infrared spectroscopy (FT-IR). The results indicated that the obtained nanoparticles is a core-shell structure and well-dispersed; the polystyrene shell thicknesses could be controlled in the range of 9.11 to 13.36 nm by simply changing the dosage of styrene monomer. Due to its polymer coating modification and integrated core-shell structure, the Mg(OH) 2 /PS is with excellent surface lipophilicity and easy to mix with the organic phase. The results provide a facile method to produce the surface-modified inorganic material for functionality. 1This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Synergism of Artificial Intelligence and Techno-Economic for Sustainable Treatment of Methylene Blue Dye-Containing Wastewater by Photocatalysis

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