Preparation of magnetic polyvinyl alcohol composite nanofibers with homogenously dispersed nanoparticles and high water resistance
Source abstract
Abstract
Magnetic nanoparticles (MNPs)/polymer composite nanofibers were prepared via electrospinning of polyacrylic acid (PAA)/polyvinyl alcohol (PVA) aqueous solutions with homogenously dispersed magnetite Fe 3 O 4 nanoparticles (NPs). Experiment results showed that the diameters of Fe 3 O 4 NPs were in a range of 10 nm to 40 nm under all of our synthesis conditions; and Fe 3 O 4 NPs can homogenously disperse in PVA composite nanofibers when they were stabilized by PAA; the crystallinity of PAA/PVA nanofibers increased along with the increase in Fe 3 O 4 NPs content. The magnetic property of Fe 3 O 4 NPs/PAA/PVA composite nanofibers was also investigated and the results showed that the composite nanofibers show a soft ferromagnetic behavior which is the same as Fe 3 O 4 at room temperature. In addition, the water resistance of Fe 3 O 4 NPs/PAA/PVA composite nanofibers was dramatically enhanced by heat treatment. Therefore, in our process to preparing magnetic Fe 3 O 4 NPs/PVA composite nanofibers, PAA acts not only as a dispersant but also as a cross-linking agent.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Electrospun Nanofibers in Biomedical Applications · Advanced Sensor and Energy Harvesting Materials · Polymer Nanocomposite Synthesis and Irradiation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Textile Science and Technology, Shinshu University, Japan
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