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<p>The synthesis of magnetic polymer materials (MPMs) through environmentally benign processes has shown promising potential for a wide range of their biomedical, environmental and engineering applications. In the present investigation, MPMs with enhanced dispersion of ferrite nanoparticle (FNPs) into various polymer matrices has been synthesized through conduction of a ferrofluid (FF) mediated process in supercritical carbon dioxide (SCC). The FF was prepared through dispersion of FNPs (1.0&#xa0;wt%) into silicone oil-oleic acid (80:20, v/v) at 1200&#xa0;psi, 90 ± 1&#xa0;°C in SCC. The viability of the FF mediated process to synthesize the MPMs in SCC was explored through employing polymethyl methacrylate (PMMA) and epoxy as matrix materials. Investigations based on X-ray diffraction, magnetometry and diverse microscopic methods reveals the formation of MPMs. Study reveals that the FF mediated process conducted at 2000 psi and 90 ± 1&#xa0;°C in SCC successfully delivers the MPMs with enhanced dispersion of FNPs into PMMA and epoxy matrices.</p> Graphical abstract <p></p>

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Ferrofluid mediated synthesis of magnetic polymer materials in supercritical fluids

  • 期刊论文

  • 发表日期：

    2026年3月13日

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  • M. G. H. Zaidi,
  • S. Mahtab,
  • A. Fatima

摘要

The synthesis of magnetic polymer materials (MPMs) through environmentally benign processes has shown promising potential for a wide range of their biomedical, environmental and engineering applications. In the present investigation, MPMs with enhanced dispersion of ferrite nanoparticle (FNPs) into various polymer matrices has been synthesized through conduction of a ferrofluid (FF) mediated process in supercritical carbon dioxide (SCC). The FF was prepared through dispersion of FNPs (1.0 wt%) into silicone oil-oleic acid (80:20, v/v) at 1200 psi, 90 ± 1 °C in SCC. The viability of the FF mediated process to synthesize the MPMs in SCC was explored through employing polymethyl methacrylate (PMMA) and epoxy as matrix materials. Investigations based on X-ray diffraction, magnetometry and diverse microscopic methods reveals the formation of MPMs. Study reveals that the FF mediated process conducted at 2000 psi and 90 ± 1 °C in SCC successfully delivers the MPMs with enhanced dispersion of FNPs into PMMA and epoxy matrices.

Graphical abstract