Article (Scientific journals)
The micromechanics of graphene oxide and molybdenum disulfide in thermoplastic nanocomposites and the impact to the polymer-filler interphase
Cremonezzi, Josué Marciano de Oliveira; Pinto, Gabriel Matheus; Mincheva, Rosica et al.
2023In Composites Science and Technology, 243, p. 110236
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Keywords :
Graphene and other 2D-materials (A); Interphase (B); Mechanical properties (B); Nanocomposites (A); Polymer-matrix composites (PMCs) (A); Graphene and other 2d-material (A); Graphene oxides; Mechanical property (B); Nanocomposite (A); Polymer matrices; Polymer-filler; Polymer-matrix composite (A); Thermoplastic nanocomposites; Two-dimensional; Ceramics and Composites; Engineering (all); General Engineering
Abstract :
[en] The addition of two-dimensional nanomaterials to a polymer matrix is a widely known manner to mechanically reinforce the material. The stress-transfer in the polymeric matrices, however, depends on an array of filler and matrix properties as well as on their interface. In this work, we discuss the effects of the distinct levels of interaction of graphene oxide, reduced graphene oxide and molybdenum disulfide with poly(vinyl butyral) in the reinforcement of the polymer. For that, we employed the micromechanical analysis model originally developed by Young et al., which describes the reinforcement behavior of graphene nanoplatelets in a wide range of polymer matrices. Then, using an innovative approach derived from such analysis, we propose novel methods to mathematically evaluate the effects of the filler content upon the polymer/filler interface, and for the determination of the mechanical percolation threshold.
Disciplines :
Materials science & engineering
Author, co-author :
Cremonezzi, Josué Marciano de Oliveira ;  MackGraphe – Mackenzie Institute for Graphene and Nanotechnology, São Paulo, Brazil ; School of Engineering, Mackenzie Presbyterian University, São Paulo, Brazil ; Laboratory of Polymeric and Composite Materials, Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons, Mons, Belgium
Pinto, Gabriel Matheus;  MackGraphe – Mackenzie Institute for Graphene and Nanotechnology, São Paulo, Brazil ; School of Engineering, Mackenzie Presbyterian University, São Paulo, Brazil
Mincheva, Rosica  ;  Université de Mons - UMONS > Faculté des Science > Service des Matériaux Polymères et Composites
Andrade, Ricardo Jorge Espanhol ;  MackGraphe – Mackenzie Institute for Graphene and Nanotechnology, São Paulo, Brazil ; School of Engineering, Mackenzie Presbyterian University, São Paulo, Brazil
Raquez, Jean-Marie  ;  Université de Mons - UMONS > Faculté des Science > Service des Matériaux Polymères et Composites
Fechine, Guilhermino José Macedo;  MackGraphe – Mackenzie Institute for Graphene and Nanotechnology, São Paulo, Brazil ; School of Engineering, Mackenzie Presbyterian University, São Paulo, Brazil
Language :
English
Title :
The micromechanics of graphene oxide and molybdenum disulfide in thermoplastic nanocomposites and the impact to the polymer-filler interphase
Publication date :
20 October 2023
Journal title :
Composites Science and Technology
ISSN :
0266-3538
eISSN :
1879-1050
Publisher :
Elsevier Ltd
Volume :
243
Pages :
110236
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S816 - Matériaux Polymères et Composites
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Funding text :
Funding: This work was supported by the Brazilian National Council for Scientific and Technological Development (CNPq) (processes 140241/2019-1 , 307665/2018-6 , and 305109/2022-7 ), Coordination of Superior Level Staff Improvement (CAPES) , Brazil - Finance Code 001 [PrInt grant numbers 88887.583658/2020-00 , and 88887.310339/2018–00 ], and The São Paulo Research Foundation (FAPESP) (processes 2020/11496-0 and 2021/07858-7 ). The study was also supported by the National Institute of Science and Technology of Carbon Nanomaterials of CNPq (INCT-Nanocarbono) .
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since 23 December 2023

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