Novel continuous poly(vinylidene fluoride) nanofibers

Xi Ren, Yuris Dzenis

Research output: Contribution to journalConference article

12 Citations (Scopus)

Abstract

Poly(vinylidene fluoride) (PVDF) is well known for its ferroelectric and piezoelectric properties. Currently, this polymer is used in applications in the form of films. PVDF fibers are expected to open up exciting new opportunities such as design and use of active textiles and composites. It is well-known that synthetic fiber properties improve substantially with the decrease of their diameter. However, conventional mechanical fiber spinning processes usually produce fibers with diameters in the range from tens to hundreds of microns. In this work, ultrafine, submicron-diameter continuous PVDF nanofibers were fabricated by electrospinning method. The method consists of spinning polymer solutions in high electric fields. Effects of process parameters on nanofiber diameter and morphology were studied. XRD and FTIR analyses of PVDF nanofibers were performed. The latter indicated that the initial α phase of the raw material was converted to β phase PVDF during electrospinning. As β phase is primarily responsible for the piezo- and ferroelectric properties of PVDF, the latter result is very encouraging. The demonstrated novel continuous PVDF nanofibers can be used in nanostructured active textiles and composites and can lead to unusual new designs for actuators and sensors.

Original languageEnglish (US)
Pages (from-to)55-61
Number of pages7
JournalMaterials Research Society Symposium Proceedings
Volume920
StatePublished - Sep 29 2006
Event2006 Materials Research Society Spring Meeting - San Francisco, CA, United States
Duration: Apr 18 2006Apr 19 2006

Fingerprint

vinylidene
Nanofibers
fluorides
Electrospinning
Ferroelectric materials
Fibers
Textiles
textiles
Spinning (fibers)
Synthetic fibers
Composite materials
metal spinning
Polymer solutions
fibers
synthetic fibers
Raw materials
Actuators
Electric fields
composite materials
polymers

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Novel continuous poly(vinylidene fluoride) nanofibers. / Ren, Xi; Dzenis, Yuris.

In: Materials Research Society Symposium Proceedings, Vol. 920, 29.09.2006, p. 55-61.

Research output: Contribution to journalConference article

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abstract = "Poly(vinylidene fluoride) (PVDF) is well known for its ferroelectric and piezoelectric properties. Currently, this polymer is used in applications in the form of films. PVDF fibers are expected to open up exciting new opportunities such as design and use of active textiles and composites. It is well-known that synthetic fiber properties improve substantially with the decrease of their diameter. However, conventional mechanical fiber spinning processes usually produce fibers with diameters in the range from tens to hundreds of microns. In this work, ultrafine, submicron-diameter continuous PVDF nanofibers were fabricated by electrospinning method. The method consists of spinning polymer solutions in high electric fields. Effects of process parameters on nanofiber diameter and morphology were studied. XRD and FTIR analyses of PVDF nanofibers were performed. The latter indicated that the initial α phase of the raw material was converted to β phase PVDF during electrospinning. As β phase is primarily responsible for the piezo- and ferroelectric properties of PVDF, the latter result is very encouraging. The demonstrated novel continuous PVDF nanofibers can be used in nanostructured active textiles and composites and can lead to unusual new designs for actuators and sensors.",
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AB - Poly(vinylidene fluoride) (PVDF) is well known for its ferroelectric and piezoelectric properties. Currently, this polymer is used in applications in the form of films. PVDF fibers are expected to open up exciting new opportunities such as design and use of active textiles and composites. It is well-known that synthetic fiber properties improve substantially with the decrease of their diameter. However, conventional mechanical fiber spinning processes usually produce fibers with diameters in the range from tens to hundreds of microns. In this work, ultrafine, submicron-diameter continuous PVDF nanofibers were fabricated by electrospinning method. The method consists of spinning polymer solutions in high electric fields. Effects of process parameters on nanofiber diameter and morphology were studied. XRD and FTIR analyses of PVDF nanofibers were performed. The latter indicated that the initial α phase of the raw material was converted to β phase PVDF during electrospinning. As β phase is primarily responsible for the piezo- and ferroelectric properties of PVDF, the latter result is very encouraging. The demonstrated novel continuous PVDF nanofibers can be used in nanostructured active textiles and composites and can lead to unusual new designs for actuators and sensors.

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