Towards the development of poly (phenylene sulphide) based nanocomposites with enhanced mechanical, electrical and tribological properties

Díez Pascual, Ana María y Naffakh Cherradi Hadi, Mohammed (2012). Towards the development of poly (phenylene sulphide) based nanocomposites with enhanced mechanical, electrical and tribological properties. "Materials Chemistry and Physics", v. 135 (n. 2-3); pp. 348-357. ISSN 0254-0584. https://doi.org/10.1016/j.matchemphys.2012.04.057.

Descripción

Título: Towards the development of poly (phenylene sulphide) based nanocomposites with enhanced mechanical, electrical and tribological properties
Autor/es:
  • Díez Pascual, Ana María
  • Naffakh Cherradi Hadi, Mohammed
Tipo de Documento: Artículo
Título de Revista/Publicación: Materials Chemistry and Physics
Fecha: Agosto 2012
Volumen: 135
Materias:
Palabras Clave Informales: Composite materials; Electrical conductivity; Mechanical properties; Tribology and wear
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Ingeniería y Ciencia de los Materiales [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Novel poly(phenylene sulphide) (PPS) nanocomposites reinforced with an aminated derivative (PPS-NH2) covalently attached to acid-treated single-walled carbon nanotubes (SWCNTs) were prepared via simple melt-blending technique. Their morphology, viscoelastic behaviour, electrical conductivity, mechanical and tribological properties were investigated. Scanning electron microscopy revealed that the grafting process was effective in uniformly dispersing the SWCNTs within the matrix. The storage and loss moduli as a function of frequency increased with the SWCNT content, tending to a plateau in the low-frequency regime. The electrical conductivity of the nanocomposites was considerably enhanced in the range 0.1?0.5 wt% SWCNTs; electrical and rheological percolation thresholds occurred at similar nanotube concentrations. Mechanical tests demonstrated that with only 1.0 wt% SWCNTs the Young's modulus and tensile strength of the matrix improved by 51 and 37%, respectively, without decrement in toughness, ascribed to a very efficient load transfer. A moderate decrease in the friction coefficient and a 75% reduction in wear rate were found for the abovementioned nanotube loading, indicating that PPS-NH2-g-SWCNTs are good tribological additives for thermoplastic polymers. Based on the promising results obtained in this work, it is expected that these nanofillers will be used to develop high-performance thermoplastic/CNT nanocomposites for structural applications.

Más información

ID de Registro: 16457
Identificador DC: http://oa.upm.es/16457/
Identificador OAI: oai:oa.upm.es:16457
Identificador DOI: 10.1016/j.matchemphys.2012.04.057
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0254058412004373
Depositado por: Memoria Investigacion
Depositado el: 19 Ene 2014 09:26
Ultima Modificación: 21 Abr 2016 16:45
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