Electrical, Thermal, and Mechanical Characterization of Poly(propylene)/Carbon Nanotube/Clay Hybrid Composite Materials | Zendy

Palza Humberto | Zendy; Reznik Boris | Zendy; Wilhelm Manfred | Zendy; Arias Oscar | Zendy; Vargas Alejandro | Zendy

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Electrical, Thermal, and Mechanical Characterization of Poly(propylene)/Carbon Nanotube/Clay Hybrid Composite Materials

Author(s) -

Palza Humberto,

Reznik Boris,

Wilhelm Manfred,

Arias Oscar,

Vargas Alejandro

Publication year - 2012

Publication title -

macromolecular materials and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.913

H-Index - 96

eISSN - 1439-2054

pISSN - 1438-7492

DOI - 10.1002/mame.201100249

Subject(s) - materials science , composite material , composite number , carbon nanotube , percolation threshold , nanocomposite , percolation (cognitive psychology) , viscoelasticity , thermal conductivity , electrical resistivity and conductivity , engineering , neuroscience , electrical engineering , biology

A set of hybrid composite materials based on a PP matrix with multiwalled CNTs and clay particles is prepared and characterized. The incorporation of clay particles into a percolated composite with 3 wt% CNT disrupts the percolation, decreasing dramatically the electrical conductivity. As expected for layered fillers, PP/CNT/clay hybrid composite materials and PP/clay composites display increases as high as 100 °C in the temperature for the maximum rate of weight loss. Surprisingly, these temperatures are just slightly higher than those of PP/CNT composites. PP/CNT composites display viscosities that are considerably lower than those of PP/clay composites. A synergistic effect of both fillers is observed in the viscoelastic response of PP/CNT/clay materials.

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