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Nanofiber Characterization of Electrospun Fibers

Extruded fibers used for nonwoven textiles are found in many consumer products including filters, wipes, automotive components, upholstery, sports apparel, roofing materials, bedding, fiberglass boats, surgical gowns, and diapers. Fabrics, filtration, medical scaffolds, fuel cells, insulation and other applications now include nanofibers for improved product performance.

Whether nanofibers are manufactured using melt blown, spunbond, forcespinning, or electrospinning, imaging and analyses require greater resolution than traditional fibers. A scanning electron microscope (SEM) is needed to measure nanofiber diameter and pore distributions.

Scanning electron microscope image of spunbond fibers
SEM image of spunbond fibers.
Scanning electron microscope image of electrospun fibers
SEM image of electrospun fibers.

Benefits of the Phenom SEM for Fiber Analysis

The SEM combines high contrast imaging, broad depth of field and high spatial resolution to examine and characterize features at the nanofiber scale. Nanofiber images are quickly acquired thanks to the accessibility and intuitive interface of the Phenom SEM.

Optical image of Air filter
Optical image of air filtration media
Scanning Electron microscope image of Air filter
Scanning electron microscope image of the same region highlighting the depth of field and resolution benefits of Scanning Electron Microscopes

FiberMetric Software for High-throughput Fiber Analysis

The Phenom desktop scanning electron microscope uses FiberMetric, a proprietary fiber measurement software, to measure fiber diameter, orientation and pore sizes.

  • Fast fiber analysis
  • Statistically significant data
  • Operator-independent
  • Exportable

Data acquisition and analysis can easily be automated using the integrated motorized XY stage. This combination of software and hardware allows for hundreds of images to be acquired automatically. This results in tens of thousands of individual fiber measurements, providing statistically significant data.

Fibermetric pore and fiber example
Measure fiber diameters using FiberMetric software for Phenom SEM

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