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Mechanical strength improvement of polypropylene threads modified by PVA/CNT composite coatings

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Date

2008-11-15

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Abstract

Poly (vinyl alcohol)/carbon nanotube (PVA/CNT) composite was coated on the surface of polypropylene thread for toughness enhancement. Multiwall carbon nanotubes (MWNTs) were treated in acid and alkali to get water-soluble nanotubes, and then embedded into poly (vinyl alcohol) (PVA) matrix, resulting in polymer-carbon composite with homogeneous nanotube dispersion. The stress-strain measurements show that the tensile strength and toughness of the PVA/CNT coated thread increased by 117% and 560%, respectively. These results are supportive of good interfacial bonding between the carbon nanotubes (CNTs) and polymer matrix.

Description

Keywords

Carbon nanotube, Composite materials, Polymers

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733726020

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DevOps Pure Testing

Source

Materials Letters

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Article

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DOI

10.1016/j.matlet.2008.07.037

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