Abstract
ABSTRACTThis study reports on polytetrafluoroethylene (PTFE) monofilaments prepared by extrusion spinning with the integration of tourmaline particles. The resultant PTFE monofilaments have excellent electrostatic properties and contain different amounts and sizes of tourmaline particles. Tensile tests show that the PTFE monofilaments with 7 wt % and 1 wt % of 5 μm particles possessed tensile strengths of 1175 N and 1026 N, which were 12.5% and 23.6% lower than those of the pure PTFE monofilament, respectively. In electrostatic properties, there was 14.3% growth in surface voltage compared with the original PTFE monofilament in the series of monofilaments with varying content of tourmaline particles. When the particle size was 5 μm, the voltage was 14.7% higher than that of pure PTFE monofilament in the series of monofilaments with varying sizes of tourmaline particles. In addition, a model of electric field distribution around the monofilament was proposed based on a static electricity test. Successful research on such an intriguing monofilament might provide a novel application of the PTFE and tourmaline. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46401.
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