A New Evaluation Criterion for Optimizing the Mechanical Properties of Toughened Polypropylene/Silica Nanocomposites

Hossein Pourrahmani; Mona Golparvar; Mohammad Fasihi

doi:10.1007/s10118-020-2399-5

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A New Evaluation Criterion for Optimizing the Mechanical Properties of Toughened Polypropylene/Silica Nanocomposites

ARTICLE | Updated：2020-04-15

- A New Evaluation Criterion for Optimizing the Mechanical Properties of Toughened Polypropylene/Silica Nanocomposites
- Chinese Journal of Polymer Science Vol. 38, Issue 8, Pages: 877-887(2020)
- Affiliations：
  
  a.Group of Energy Materials, École Polytechnique Fédérale de Lausanne, Sion 1951, Switzerland
  b.School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran
  c.School of Mechanical Engineering, Braunschweig university of technology, Braunschweig 38106, Germany
- Author bio：
  
  mfasihi@iust.ac.ir
- Funds：
- DOI：10.1007/s10118-020-2399-5
  CLC：
- Received：11 November 2019，
  
  Revised：2020-1-14，
  
  Accepted：03 February 2020，
  
  Online First：15 April 2020，
  
  Published：2020-08
- Accepted：
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Pourrahmani, H.; Golparvar, M.; Fasihi, M. A new evaluation criterion for optimizing the mechanical properties of toughened polypropylene/silica nanocomposites. Chinese J. Polym. Sci. 2020, 38, 877–887

Hossein Pourrahmani, Mona Golparvar, Mohammad Fasihi. A New Evaluation Criterion for Optimizing the Mechanical Properties of Toughened Polypropylene/Silica Nanocomposites[J]. Chinese Journal of Polymer Science, 2020, 38(8): 877-887.
Pourrahmani, H.; Golparvar, M.; Fasihi, M. A new evaluation criterion for optimizing the mechanical properties of toughened polypropylene/silica nanocomposites. Chinese J. Polym. Sci. 2020, 38, 877–887 DOI： 10.1007/s10118-020-2399-5.

Hossein Pourrahmani, Mona Golparvar, Mohammad Fasihi. A New Evaluation Criterion for Optimizing the Mechanical Properties of Toughened Polypropylene/Silica Nanocomposites[J]. Chinese Journal of Polymer Science, 2020, 38(8): 877-887. DOI： 10.1007/s10118-020-2399-5.

摘要

Abstract

This study aims to experiment with the mechanical properties of polypropylene (PP)/thermoplastic elastomer/nano-silica/compatibilizer nanocomposite using the melt mixing method. The addition of polyolefin elastomers has proved to be an approachable solution for low impact strength of PP

while it would also reduce the Young′s modulus and tensile strength. That is why reinforcement would be applied to this combination to enhance the elastic modulus. The mechanical properties of the prepared composites were devised to train an artificial neural network to predict these properties of the system in 6256 unknown points. Therefore

the sensitivity analysis was performed and the share of each input parameter on the respective output values was calculated. Additionally

a novel parameter called nanocomposite evaluation criterion (NEC) is introduced to analyze the suitability of the nanocomposites considering the mechanical properties. Accordingly

the formulation with optimal mechanical properties of toughness

elongation at break

tensile strength

Young′s modulus

and impact strength was obtained.

关键词

Keywords

references

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