Nashrieh Shimi va Mohandesi Shimi Iran

Nashrieh Shimi va Mohandesi Shimi Iran

In-Situ Modification of Graphene Oxide and Using as an Effective Nanoparticle on the Mechanical Properties of Polymethylmethacrylate Nanocomposite

Document Type : Research Article

Authors
Ahmad Poursattar Marjni 1
Mehdi Mahmoudian 2
Ehsan Nozad 1
Haniyeh Mohammadi 1
1 Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, I.R. IRAN
2 Nanotechnology Department, Faculty of Sciences, Urmia University, Urmia, I.R. IRAN
Abstract
In the present work, Graphene Oxide (GO) was modified by in-situ polymerization in the presence of methylmethacryalte and was used to improve the dispersion of GO nanoparticles as well as mechanical properties in polymethylmethacryalte (PMMA) matrix. Fourier Transform InfraRed (FT-IR) technique was used to confirm the successful modification of GO. PMMA nanocomposites were prepared by melting method and Thermal Gravimetric Analysis (TGA) and Field Emission Scanning Electron Microscopy (FESEM) techniques were applied in order to characterize the prepared nanocomposites. Also, the effect of GO percentage and processing parameters were studied by Taguchi Design of Experiment.  (GO content: 0, 2, and 4 wt%, injection pressure: 40, 60, and 80 MPa, holding pressure: 60, 80, and 100 MPa, and holding pressure time: 1, 2.5, and 4 s were mentioned as the variable parameters). To investigate the mechanical properties of nanocomposites tensile strength, hardness, and impact tests were carried out.
Keywords
Nanocomposite
Modified graphene oxide
Polymethylmethacrylate
Mechanical properties
Subjects
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