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Magnetic nanofibrous materials based on CMC/PVA polymeric blends.
J G Durán-Guerrero1, M A Martínez-Rodríguez1, M A Garza-Navarro2
1Universidad Autónoma de Nuevo León, Facultad de Ingeniería Mecánica y Eléctrica, San Nicolás de los Garza, 66455, Nuevo León, Mexico.
Carbohydrate Polymers
|September 5, 2018
Summary
Researchers developed novel magnetic nanofibrous materials using magnetite nanoparticles (SMON) within carboxymethyl-cellulose (CMC)/polyvinyl-alcohol (PVA) blends. These materials exhibit a unique soft ferromagnetic response at room temperature.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Science
Background:
- Magnetic nanoparticles offer unique properties for advanced materials.
- Electrospinning is a versatile technique for fabricating nanofibers.
- Polymeric blends provide tunable matrices for nanoparticle incorporation.
Purpose of the Study:
- To synthesize and characterize magnetic nanofibrous materials.
- To investigate the effect of magnetite nanoparticle (SMON) content on material properties.
- To explore the magnetic response of SMON-loaded polymer blends.
Main Methods:
- Electrospinning of magnetite nanoparticle-loaded carboxymethyl-cellulose (CMC)/polyvinyl-alcohol (PVA) blends.
- Characterization using electron microscopy (TEM, SEM) and spectroscopy (ATR-FTIR, Raman, XPS).
- Static magnetic measurements to determine magnetic properties.
Main Results:
- Nanofiber diameter decreased with increasing SMON content due to altered polymer interactions.
- SMON incorporation improved the spinnability of CMC/PVA blends.
- Synthesized materials exhibited a soft ferromagnetic response at room temperature attributed to SMON aggregates.
Conclusions:
- Magnetic nanofibrous materials with tunable diameters were successfully synthesized.
- The spatial distribution of SMON within nanofibers induces a soft ferromagnetic behavior.
- These findings open possibilities for applications requiring magnetic and fibrous materials.
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