Abstract
Polyvinylidene fluoride (PVDF) film has been widely investigated as a sensor andtransducer material due to its high piezo-, pyro- and ferroelectric properties. To activatethese properties, PVDF films require a mechanical treatment, stretching or poling. Inthis paper, we report on a force sensor based on PVDF fabrics with excellentflexibility and breathability, to be used as a specific human-related sensor. PVDFnanofibrous fabrics were prepared by using an electrospinning unit and characterized bymeans of scanning electron microscopy (SEM), FTIR spectroscopy and x-raydiffraction. Preliminary force sensors have been fabricated and demonstratedexcellent sensitivity and response to external mechanical forces. This impliesthat promising applications can be made for sensing garment pressure, bloodpressure, heartbeat rate, respiration rate and accidental impact on the human body.
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