Effect of Reinforcement and Processing Methods in PP/MWCNTs Nanocomposites

S. Arun; S. Kanagaraj

doi:10.4028/www.scientific.net/AMR.747.575

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 747Effect of Reinforcement and Processing Methods in...

Effect of Reinforcement and Processing Methods in PP/MWCNTs Nanocomposites

Abstract:

The usage of polymers is increased in order to replace the conventional metals because of their low cost and weight. As the processing technique of polymers plays a vital role in their properties, Polypropylene (PP) and multi walled carbon nanotubes (MWCNTs) were chosen as a matrix and reinforcement, respectively in order to confirm the effective processing method to prepare nanocomposites. The PP/MWCNTs nanocomposites with different concentration of reinforcement such as 0, 0.5, 1.0, 1.5 and 2.0 wt. % were prepared by melt mixing technique through (i) an injection molding (IM) process and (ii) the twin-screw extruder followed by an injection moulding process (TSE). It is observed that the mechanical properties of PP were found to be increased with MWCNTs concentration irrespective of the processing methods, where the optimum concentration was observed to be 1.5 wt. % of MWCNTs. It is also observed that the mechanical properties of polymer processed through TSE process was found to be less than that of the sample processed by IM process. However, an opposite trend was observed when the reinforcement was done. It is concluded that the PP/MWCNTs nanocomposites processed through TSE were found to have enhanced mechanical properties compared to that of the sample prepared through IM process.

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Periodical:

Advanced Materials Research (Volume 747)

Pages:

575-578

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.747.575

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Online since:

August 2013

Authors:

S. Arun, S. Kanagaraj

Keywords:

Injection Molding, Mechanical Property, Nanocomposite, Twin Screw Extruder

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