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sheikhi, M., panahi, V. (2019). Optimization of Mechanical Properties of trinary Nanocomposites Based on Polypropylene/Nitrile Rubber /Silica Nano-Powder by Using Response Surface methodology. Electronic and Cyber Defense, 15(3), 107-117.
mohammad morad sheikhi; valiollah panahi. "Optimization of Mechanical Properties of trinary Nanocomposites Based on Polypropylene/Nitrile Rubber /Silica Nano-Powder by Using Response Surface methodology". Electronic and Cyber Defense, 15, 3, 2019, 107-117.
sheikhi, M., panahi, V. (2019). 'Optimization of Mechanical Properties of trinary Nanocomposites Based on Polypropylene/Nitrile Rubber /Silica Nano-Powder by Using Response Surface methodology', Electronic and Cyber Defense, 15(3), pp. 107-117.
sheikhi, M., panahi, V. Optimization of Mechanical Properties of trinary Nanocomposites Based on Polypropylene/Nitrile Rubber /Silica Nano-Powder by Using Response Surface methodology. Electronic and Cyber Defense, 2019; 15(3): 107-117.

Optimization of Mechanical Properties of trinary Nanocomposites Based on Polypropylene/Nitrile Rubber /Silica Nano-Powder by Using Response Surface methodology

مکانیک هوافضا
Article 8, Volume 15, Issue 3 - Serial Number 57, March 2019, Pages 107-117    PDF (789.32 K)
Document Type: Solid Mechanics
Authors
mohammad morad sheikhi* ; valiollah panahi
shahid rajaie
Receive Date: 01 July 2018,  Accept Date: 07 September 2018 
Abstract
In this study, mechanical properties including impact strength, elastic modulus and elongation at break of nanocomposites based on polypropylene/ Carboxylated Nitrile Rubber (PP/XNBR) were optimized by using response surface methodology (RSM). The samples were produced using a co-rotating twin screw extruder including 0,2,4 Wt.% of nano particles, 0, 5, 10 Wt.% of XNBR and 0,3,6 Wt.% of Polypropylene-g-glycidyl Methacrylate (PP-gMA) as compatibilizer. Impact and tensile tests were carried out to obtain impact strength, elastic modulus and elongation at break of nano composites. The results of analysis of variance showed that all three major factors silica nanoparticles, Carboxylated Nitrile Rubber and PP-gMA as compatibilizer effect on the mechanical properties with a higher probability of 90%.  Also, Fisher's probable quantity values showed that silica nanoparticles had the greatest effect on the elastic modulus and XNBR had the greatest effect on impact strength and elongation at break. On the other hand, for each mechanical property, a regression model with a desirability of over 85% was obtained. Finally, the optimal values of the nano-composites were predicted to be 1.6162 wt% for silica nano powder, 10 wt% for XNBR, and 4.9697 wt% for PP-gMA.
Keywords
Polypropylene; Mechanical Properties; Optimization; Response Surface Methodology; Nano Composites
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