On the role of extensional flow in morphology and property modifications of MWCNT/polyamide-based fibres

Francesco Paolo La Mantia; Nadka Tzankova Dintcheva; Rossella Arrigo; Eugenio Caponetti; Giorgio Nasillo

On the role of extensional flow in morphology and property modifications of MWCNT/polyamide-based fibres

Francesco Paolo La Mantia, Nadka Tzankova Dintcheva, Rossella Arrigo, Eugenio Caponetti, Giorgio Nasillo

Risultato della ricerca: Article › peer review

Abstract

Unfilled and MWCNT-filled PA fibers are prepared and the effect of the extensional flow on their mechanical performance and morphological variations is investigated. Morphological analyses using SEM, TEM, and SAXS suggest a stronger orientation of the MWCNTs along the fiber direction with increasing extensional flow. A particular MWCNT bundle formation in the PA drawn nanocomposite fibers is observed for the first time, and a pull-out of the central nanotube in some bundles is noted. The maintenance of the “shish-kebab” structure upon extensional flow is responsible for the mechanical improvements and dimensional stability in MWCNT-filled PA fibers.

Lingua originale	English
pagine (da-a)	645-657
Numero di pagine	13
Rivista	Macromolecular Materials and Engineering
Volume	296
Stato di pubblicazione	Published - 2011

All Science Journal Classification (ASJC) codes

???subjectarea.asjc.1500.1500???
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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@article{fde441e25e164a66b3dbe6f295ce2139,

title = "On the role of extensional flow in morphology and property modifications of MWCNT/polyamide-based fibres",

abstract = "Unfilled and MWCNT-filled PA fibers are prepared and the effect of the extensional flow on their mechanical performance and morphological variations is investigated. Morphological analyses using SEM, TEM, and SAXS suggest a stronger orientation of the MWCNTs along the fiber direction with increasing extensional flow. A particular MWCNT bundle formation in the PA drawn nanocomposite fibers is observed for the first time, and a pull-out of the central nanotube in some bundles is noted. The maintenance of the “shish-kebab” structure upon extensional flow is responsible for the mechanical improvements and dimensional stability in MWCNT-filled PA fibers.",

keywords = "carbon nanotubes, extensional flow, polyamide-based fibres, carbon nanotubes, extensional flow, polyamide-based fibres",

author = "{La Mantia}, {Francesco Paolo} and Dintcheva, {Nadka Tzankova} and Rossella Arrigo and Eugenio Caponetti and Giorgio Nasillo",

year = "2011",

language = "English",

volume = "296",

pages = "645--657",

journal = "Macromolecular Materials and Engineering",

issn = "1438-7492",

publisher = "Wiley-VCH Verlag",

}

TY - JOUR

T1 - On the role of extensional flow in morphology and property modifications of MWCNT/polyamide-based fibres

AU - La Mantia, Francesco Paolo

AU - Dintcheva, Nadka Tzankova

AU - Arrigo, Rossella

AU - Caponetti, Eugenio

AU - Nasillo, Giorgio

PY - 2011

Y1 - 2011

N2 - Unfilled and MWCNT-filled PA fibers are prepared and the effect of the extensional flow on their mechanical performance and morphological variations is investigated. Morphological analyses using SEM, TEM, and SAXS suggest a stronger orientation of the MWCNTs along the fiber direction with increasing extensional flow. A particular MWCNT bundle formation in the PA drawn nanocomposite fibers is observed for the first time, and a pull-out of the central nanotube in some bundles is noted. The maintenance of the “shish-kebab” structure upon extensional flow is responsible for the mechanical improvements and dimensional stability in MWCNT-filled PA fibers.

AB - Unfilled and MWCNT-filled PA fibers are prepared and the effect of the extensional flow on their mechanical performance and morphological variations is investigated. Morphological analyses using SEM, TEM, and SAXS suggest a stronger orientation of the MWCNTs along the fiber direction with increasing extensional flow. A particular MWCNT bundle formation in the PA drawn nanocomposite fibers is observed for the first time, and a pull-out of the central nanotube in some bundles is noted. The maintenance of the “shish-kebab” structure upon extensional flow is responsible for the mechanical improvements and dimensional stability in MWCNT-filled PA fibers.

KW - carbon nanotubes

KW - extensional flow

KW - polyamide-based fibres

KW - carbon nanotubes

KW - extensional flow

KW - polyamide-based fibres

UR - http://hdl.handle.net/10447/56200

M3 - Article

VL - 296

SP - 645

EP - 657

JO - Macromolecular Materials and Engineering

JF - Macromolecular Materials and Engineering

SN - 1438-7492

ER -