High performance PA6/CNTs nanohybrid fibers prepared in the melt

Roberto Scaffaro, Andrea Maio, Alina Carmen Tito

Risultato della ricerca: Article

28 Citazioni (Scopus)

Abstract

Commercial and home-made carbon nanotubes (CNTs) were plasma treated under oxygen atmosphere and then added to polyamide 6 (PA6) in order to prepare fibres by melt spinning. For comparison, pristine nanofillers were used too. The effect of functionalization and of filler characteristics on the morphological, rheological, mechanical and electrical properties of the fibres was studied by TEM and SEM, rheological measurements, tensile and electrical conductivity tests. The results demonstrated that the functionalization led to a better mechanical performance and the morphological analysis confirmed that the adhesion, the dispersion and the alignment of the nanotubes within the polymer matrix were improved when using functionalized CNTs. Electrical tests marked that functionalization slightly reduced the conductivity of the materials.
Lingua originaleEnglish
pagine (da-a)1918-1923
Numero di pagine6
RivistaComposites Science and Technology
Volume72
Stato di pubblicazionePublished - 2012

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Carbon Nanotubes
Polyamides
Carbon nanotubes
Melt spinning
Fibers
Polymer matrix
Nanotubes
Fillers
Electric properties
Adhesion
Oxygen
Transmission electron microscopy
Plasmas
Mechanical properties
Scanning electron microscopy
nylon 6
Electric Conductivity

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Engineering(all)

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High performance PA6/CNTs nanohybrid fibers prepared in the melt. / Scaffaro, Roberto; Maio, Andrea; Tito, Alina Carmen.

In: Composites Science and Technology, Vol. 72, 2012, pag. 1918-1923.

Risultato della ricerca: Article

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AU - Maio, Andrea

AU - Tito, Alina Carmen

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N2 - Commercial and home-made carbon nanotubes (CNTs) were plasma treated under oxygen atmosphere and then added to polyamide 6 (PA6) in order to prepare fibres by melt spinning. For comparison, pristine nanofillers were used too. The effect of functionalization and of filler characteristics on the morphological, rheological, mechanical and electrical properties of the fibres was studied by TEM and SEM, rheological measurements, tensile and electrical conductivity tests. The results demonstrated that the functionalization led to a better mechanical performance and the morphological analysis confirmed that the adhesion, the dispersion and the alignment of the nanotubes within the polymer matrix were improved when using functionalized CNTs. Electrical tests marked that functionalization slightly reduced the conductivity of the materials.

AB - Commercial and home-made carbon nanotubes (CNTs) were plasma treated under oxygen atmosphere and then added to polyamide 6 (PA6) in order to prepare fibres by melt spinning. For comparison, pristine nanofillers were used too. The effect of functionalization and of filler characteristics on the morphological, rheological, mechanical and electrical properties of the fibres was studied by TEM and SEM, rheological measurements, tensile and electrical conductivity tests. The results demonstrated that the functionalization led to a better mechanical performance and the morphological analysis confirmed that the adhesion, the dispersion and the alignment of the nanotubes within the polymer matrix were improved when using functionalized CNTs. Electrical tests marked that functionalization slightly reduced the conductivity of the materials.

KW - Carbon nanotubes; Electrical properties; Elastic properties; Raman spectroscopy; Melt-spinning

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