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Synthesis and properties of poly(hexamethylene terephthalate)/multiwall carbon nanotubes nanocomposites

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10.1016/j.compscitech.2010.01.014
 
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hdl:2117/6741

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González Vidal, Nathalie
Martínez de Ilarduya Sáez de Asteasu, Domingo AntxonMés informacióMés informacióMés informació
Muñoz Guerra, SebastiánMés informacióMés informació
Castell, Pere
Martínez, Maria Teresa
Document typeArticle
Defense date2010-05-01
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Poly(hexamethylene terephthalate) (PHT)/carbon nanotubes (CNT) nanocomposites containing 1% and 3% (w/w) of filler were prepared by two procedures: in situ ring-opening polymerization of hexamethylene terephthalate cyclic oligomers in the presence of CNT and melt blending of PHT/CNT mixtures. Arc discharge multiwalled carbon nanotubes, both pristine (MWCNT) and hydroxyl functionalized (MWCNT-OH), were used. The objective was to evaluate the effect of preparation procedure, nanotube sidewall functionalization and amount of nanotube loaded on properties of PHT. All nanocomposites showed an efficient distribution of the carbon nanotubes within the PHT matrix but interfacial adhesion and reinforcement effect was dependent on both functionalization and nanotubes loading. Significant differences in thermal stability and mechanical properties ascribable to functionalization and processing were observed among the prepared nanocomposites. All the prepared nanocomposites showed enhanced crystallizability due to CNT nucleating effects although changes in melting and glass transition temperatures were not significant.
CitationGonzález, N. [et al.]. Synthesis and properties of poly(hexamethylene terephthalate)/multiwall carbon nanotubes nanocomposites. "Composites science and technology", 01 Maig 2010, vol. 70, núm. 5, p. 789-796. 
URIhttp://hdl.handle.net/2117/6741
DOI10.1016/j.compscitech.2010.01.014
ISSN0266-3538
Publisher versionhttp://www.sciencedirect.com/science/journal/02663538
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  • POL - Polímers Industrials Avançats i Biopolímers Tecnològics - Articles de revista [107]
  • Departament d'Enginyeria Química - Articles de revista [2.028]
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