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Effect of melt and solution electrospinning on the formation and structure of poly(vinylidene fluoride) fibres

机译:熔体和溶液静电纺丝对聚偏二氟乙烯纤维形成和结构的影响

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We investigated the effects of applied voltage and collector rotating speed on the crystal structure and piezoelectricity of poly(vinylidene fluoride) (PVDF) fibres obtained by two electrospinning (ES) systems; laser-melt electrospinning (M-ES) and conventional solution electrospinning (S-ES). A higher β phase fraction was observed in the S-ES fibres, although the M-ES fibres showed comparable crystallinity. The piezoelectric constant (d33) for the S-ES fibres was also higher than that of the M-ES fibres. This is the first report clarifying the difference between M-ES and S-ES for the formation of PVDF fibres.
机译:我们研究了施加电压和集电极转速对通过两个电纺丝(ES)系统获得的聚偏二氟乙烯(PVDF)纤维的晶体结构和压电性的影响;激光熔融静电纺丝(M-ES)和常规溶液静电纺丝(S-ES)。尽管M-ES纤维显示出相当的结晶度,但在S-ES纤维中观察到了更高的β相分数。 S-ES纤维的压电常数( d 33 )也高于M-ES纤维。这是第一份澄清了PVDF纤维形成过程中M-ES和S-ES之间差异的报告。

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