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Polymer-Plastics Technology and Engineering Volume 55, 2016 - Issue 13
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Original Articles

Nanoindentation Creep, Nano-Impact, and Thermal Properties of Multiwall Carbon Nanotubes–Polypropylene Nanocomposites Prepared via Melt Blending

Achmad ChafidzChemical Engineering Department, Semarang State University, Semarang, Indonesia;Chemical Engineering Department, King Saud University, Riyadh, Saudi Arabia
,
Fahamsyah H. LatiefMechanical Engineering Department, Al Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
,
Ubair A. SamadCenter of Excellence for Research in Engineering Materials, Advanced Manufacturing Institute, King Saud University, Riyadh, Saudi Arabia
,
Abdelhamid AjbarChemical Engineering Department, King Saud University, Riyadh, Saudi ArabiaCorrespondence[email protected]
&
Waheed Al-MasryChemical Engineering Department, King Saud University, Riyadh, Saudi Arabia
Pages 1373-1385 | Published online: 14 Apr 2016
 
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ABSTRACT

Morphological analysis of the nanocomposites showed that multi-wall carbon nanotubes were uniformly distributed in polypropylene. Nanoindentation creep and nano-impact tests were carried out. Several equations/models were used to analyze creep data. From creep test, hardness of the nanocomposites increased by 18 and 36% for C150P and C70P, respectively, compared to polypropylene, whereas elasticity also increased by 20 and 34%. From nano-impact test, hardness of the nanocomposites was also higher than that of neat polypropylene. However, hardness (dynamic/impact) values were slightly higher than the (quasi-static) hardness resulted from creep test. In addition, degree of crystallinity of nanocomposites also increased by 12.6 and 14.3%.

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