Investigation of the elastic properties of poly (methyl methacrylate) reinforced with graphene nanoplatelets

Mahmut Muhammettursun; Tayfun Bel; Elif Kocacinar; Ecem Erman; Fuat Berke Gul; Andy Augousti; Nilgun Baydogan

doi:10.1002/app.50689

Investigation of the elastic properties of poly (methyl methacrylate) reinforced with graphene nanoplatelets

Mahmut Muhammettursun, Tayfun Bel, Elif Kocacinar, Ecem Erman, Fuat Berke Gul, Andy Augousti, Nilgun Baydogan^*

^*Corresponding author for this work

Energy Institute

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The technique for synthesis of poly (methyl methacrylate) (PMMA) by atom transfer radical polymerization has been strengthened by using graphene nanoplatelets (GNPs) to enhance the elastic properties of the polymer. In order to improve practical, economical and mechanical performance, the requirements for effective implementation of production control as a smart bulk polymer nanocomposite were determined for cost-effective bulk production. Three-dimensional inspection (using an ultrasound interrogation method for the whole volume under test) confirmed the synthesis of the nanocomposite to be free of agglomeration and bubbles. As a result of this elimination of defects, an enhancement in compressive strength of 42.7% was achieved and the Rockwell hardness was increased by 19.9% through the addition of GNPs at 2 wt% by mass. The deformation and mechanical failure properties have been characterized in the mechanical enhancement of the polymer nanocomposite. Elastic parameters determined using ultrasound testing identified that changes in the structural features following the addition of these GNPs were uniquely connected to the enhancements in these elastic parameters (such as Young's modulus, Poisson's ratio, shear modulus, and microhardness) of the PMMA/GNPs nanocomposite.

Original language	English
Article number	50689
Journal	Journal of Applied Polymer Science
Volume	138
Issue number	29
DOIs	https://doi.org/10.1002/app.50689
Publication status	Published - 5 Aug 2021

Bibliographical note

Publisher Copyright:
© 2021 Wiley Periodicals LLC.

Funding

This study facilitating the collaboration is supported financially by Istanbul Technical University ITU BAP with the project number 41576 for the development of the new engineering samples. TUBITAK (with project no TUBITAK1001 115R017) had supported financially a part of this study for the synthesis of the first base polymer sample researches. The synthesis of the nanocomposite was performed in ITU Prof. Dr. Adnan Tekin of the Materials Science & Production Technologies Applied Research Center (ATARC), Istanbul, Turkey. The authors would like to thank Associate Prof. Dr. Sinasi EKINCI for his kind assistance with the ultrasound tests at the Nuclear Techniques Department in the Turkish Atomic Energy Authority, Cekmece Nuclear Research and Training Center, Istanbul, Turkey.

Funders	Funder number
ATARC
Cekmece Nuclear Research and Training Center
Istanbul Technical University ITU BAP	41576, TUBITAK1001 115R017
Materials Science & Production Technologies Applied Research Center
Türkiye Atom Enerjisi Kurumu

Keywords

graphene and fullerenes
nanotubes
radical polymerization
thermoplastics

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abstract = "The technique for synthesis of poly (methyl methacrylate) (PMMA) by atom transfer radical polymerization has been strengthened by using graphene nanoplatelets (GNPs) to enhance the elastic properties of the polymer. In order to improve practical, economical and mechanical performance, the requirements for effective implementation of production control as a smart bulk polymer nanocomposite were determined for cost-effective bulk production. Three-dimensional inspection (using an ultrasound interrogation method for the whole volume under test) confirmed the synthesis of the nanocomposite to be free of agglomeration and bubbles. As a result of this elimination of defects, an enhancement in compressive strength of 42.7% was achieved and the Rockwell hardness was increased by 19.9% through the addition of GNPs at 2 wt% by mass. The deformation and mechanical failure properties have been characterized in the mechanical enhancement of the polymer nanocomposite. Elastic parameters determined using ultrasound testing identified that changes in the structural features following the addition of these GNPs were uniquely connected to the enhancements in these elastic parameters (such as Young's modulus, Poisson's ratio, shear modulus, and microhardness) of the PMMA/GNPs nanocomposite.",

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Investigation of the elastic properties of poly (methyl methacrylate) reinforced with graphene nanoplatelets

Abstract

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Keywords

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