Method for preparing polyvinylidene fluoride conductive plastics
A conductive plastic and electronic control technology, which is applied in the field of polyvinylidene fluoride conductive plastic prepared by excimer laser irradiation, can solve the problems of complex operation, difficult material local conductivity selection processing, etc., and achieve simple operation, good conductive effect, highly reproducible effect
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Embodiment 1
[0026] Take a piezoelectric plastic PVDF with a thickness of 500 μm to make a sample, fix the sample at the center of the electronically controlled rotary table, set the rotation speed of the electronically controlled rotary table to 10° / s, select the KrF excimer laser with a wavelength of 248nm, and set the pulse frequency 4Hz, adjust the optical path so that the laser spot size irradiated on the sample is 18mm×7mm, the spot is located in the center of the sample, adjust the laser output energy, so that the laser energy density irradiated on the sample is 140mJ / cm 2 , set the number of pulses to 500, rotate the sample turntable, and irradiate with laser light. After the pulse output stops, the irradiation ends.
Embodiment 2
[0028] Take a piezoelectric plastic PVDF with a thickness of 500 μm to make a sample, fix the sample at the center of the electronically controlled rotary table, set the rotation speed of the electronically controlled rotary table to 40° / s, select the KrF excimer laser with a wavelength of 248nm, and set the pulse frequency 4Hz, adjust the optical path so that the laser spot size irradiated on the sample is 17mm×6mm, the spot is located in the center of the sample, adjust the laser output energy, so that the laser energy density irradiated on the sample is 190mJ / cm 2 , set the number of pulses to 150, rotate the sample turntable, and irradiate with laser light. After the pulse output stops, the irradiation ends.
Embodiment 3
[0030] Take a piezoelectric plastic PVDF with a thickness of 500 μm to make a sample, fix the sample at the center of the electronically controlled rotary table, set the rotation speed of the electronically controlled rotary table to 45° / s, select the KrF excimer laser with a wavelength of 248nm, and set the pulse frequency 10Hz, adjust the optical path so that the laser spot size irradiated on the sample is 17mm×6mm, the spot is located in the center of the sample, adjust the laser output energy, so that the laser energy density irradiated on the sample is 190mJ / cm 2 , set the number of pulses to 600, rotate the sample turntable, and irradiate with laser light. After the pulse output stops, the irradiation ends.
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