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Pyrolysis and combustion of polystyrene composites based on graphene oxide functionalized with 3-(methacryloyloxy)-propyltrimethoxysilane

Ion Anghel , Gabriela Lisa EMAIL logo , Ioana-Emilia Şofran , Flavia-Corina Mitroi-Symeonidis , Mihai Marius Rusu , Monica Baia , Lucian Baia , Klára Magyari , Virginia Danciu , Liviu Cosmin Cotet , Malvina Stroe and Mihaela Baibarac

Abstract

In this study, polystyrene composites (PS–GOf) with variable concentration (0.5; 1; 2; 3; 4; and 5 wt%) of GOf were obtained through the in-situ polymerisation of the styrene in the presence of benzoyl peroxide and graphene oxide(GO) functionalized with 3-(methacryloyloxy)-propyltrimethoxysilane(γ-MPTS). For determining the morphological and structural particularities of polymeric composites transmission electron microscopy (TEM) measurements were performed. The influence of functionalized GO on thermal and combustion properties of polystyrene (PS)-based composite materials was determined through several methods: Thermogravimetry (TGA); derived thermogravimetry (DTG); microscale combustion calorimetry analysis (MCC); and chemical kinetic studies through TGA and MCC determinations at similar heating rates.


Corresponding authors: Gabriela Lisa, Department of Chemical Engineering, Faculty of Chemical Engineering and Environmental Protection “Cristofor Simionescu”, Gheorghe Asachi Technical University of Iasi, Bd. Mangeron 73, 700050Iasi, Romania, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was supported by a grant of the Romanian Ministry of Research and Innovation, CCCDI - UEFISCDI, project number PN-III-P1-1.2-PCCDI-2017-0350/38PCCDI within PNCDI III.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Supplementary Material

The online version of this article offers supplementary material (https://doi.org/10.1515/polyeng-2021-0071).


Received: 2021-03-20
Accepted: 2021-05-04
Published Online: 2021-06-07
Published in Print: 2021-08-26

© 2021 Walter de Gruyter GmbH, Berlin/Boston

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