期刊
POLYMER INTERNATIONAL
卷 68, 期 4, 页码 735-745出版社
WILEY
DOI: 10.1002/pi.5759
关键词
3D printing; piezoelectric; piezoresponse force microscopy; electrohydrodynamic; melt electrospinning writing
资金
- EACEA program BIOFAB [2013/3137 001-001]
- Volkswagen Stiftung [93 417]
- German Research Foundation (DFG) State Major Instrumentation Programme [INST 105022/58-1 FUGG]
- Unibund (University of Wurzburg)
- Australian Research Council (ARC) Centre of Excellence for Electromaterials Science [CE 140100012]
- ARC Industrial Transformation Training Centre in Additive Biomanufacturing [IC160100026]
Poly(vinylidene difluoride) (PVDF) has piezoelectric properties suitable for numerous applications such as flexible electronics, sensing and biomedical materials. In this study, individual fibers with diameters ranging from 17 to 55 mu m were processed using melt electrowriting (MEW). Electroactive PVDF fibers can be fabricated via MEW, while the polymer can remain molten for up to 10 h without noticeable changes in the resulting fiber diameter. MEW processing parameters for PVDF were investigated, including applied voltage, pressure and temperature. A rapid fiber characterization methodology for MEW that automatically determines the fiber diameters from camera images taken of microscope slides was developed and validated. The outputs from this approach followed previous MEW processing trends already identified with different polymers, although overestimation of fiber diameters d(33) approximate to 19 pm V-1. (c) 2018 Society of Chemical Industry
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