Guilhermino J. M. Fechine is an Associate Professor at Mackenzie Institute for Research in Graphene and Nanotechnologies MackGraphe, Mackenzie Presbyterian University, São Paulo, Brazil. He received his Ph.D. in Chemistry from Federal University of Pernambuco (Brazil) in 2001. From 2002 to 2007 he worked at São Paulo University as researcher focusing on polymer hydrogels as well as polymer photodegradation and stabilization. He held position as an Associate Professor at Mackenzie Presbyterian University in 2008. The current topics addressed in his research are related to the understanding of the interactions between polymers and 2D materials (graphene, graphene oxide, MoS2, hBN, phosphorene, etc.), whether for improving transfer processes or polymeric nanocomposites with multifunctionalities and high performance in mechanical, electrical, thermo, tribological and biological properties. He was a visiting researcher for one year at the National University of Singapore (2013) and for short periods at Case Western Reserve University (Ohio, USA) - 2016, Bulgarian Academy of Science (Sofia, Bulgaria) - 2018 and at the Institute for Composite and Biomedical Materials IMCB - ( Portici, Italy) - 2019. (Source: Lattes Curriculum)
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Biodegradable polymers emerged as a solution to problems arising from environmental pollution generated by plastic waste. However, the performance of some of these polymers still falls short of what is necessary for some applications, mainly in relation to processability and mechanical properties. Some strategies have been used to try to solve these problems, from the use of particulate r…
This project aims to explore the excellent properties of graphene and other two - dimensional materials (graphene oxide - GO, reduced graphene oxide - rGO, molybdenum disulfide- MoS2 and hexagonal boron nitride - hBN) to produce polymer nanocomposites that meet the needs of the different areas of application (filaments, films and injected pieces). In addition to the production and charact…
CVD graphene is a suitable material for industrial applications, since it is possible to obtain graphene with macro dimensions (mm to cm) which is different from that obtained with other techniques. For the first time a project is dedicated to transfer process of CVD graphene for two and three dimensional substrates without causing any damage to the graphene like cracks and/or wrinkles wi…
(Only some records are available in English at this moment)
This research project proposes the study of PBAT nanocomposites with graphene oxide, for use in food packaging, and PBAT nanocomposites with graphene oxide and carbon black, for application in mulch films, aiming at improving mechanical and barrier properties, parameters that are important to make the PBAT polymer viable as a biodegradable alternative to conventional plastics and to reduc…
Due to the current advances in the development of electronic devices, with the highesttechnology, these equipment are becoming smaller and need effective thermalmanagement to not affect their performance, useful life, and confidence. The creation ofmultifunctional nanocomposite materials has attracted great technological and scientificinterest due to its ability to combine properties in a…
Nanocomposites based on two-dimensional (2D) nanomaterials incorporated in a polymeric matrix find ample opportunities for the development of multifunctional materials aimed at new applications. This is due to the exceptional properties of these nanofillers. Despite presenting similar geometries, different 2D materials, such as graphene, hexagonal boron nitride (h-BN), and transition meta…
Graphene and its derivatives, two-dimensional materials, have shown superlative properties about its surface area, mechanical e electrical properties, impermeability, among others. Based on these properties, the goal of this study is to develop poly(butylene-adipate-co-terephthalate)(PBAT)/graphene oxide (GO) polymer nanocomposite with high gas and water vapor barrier properties, preservi…
This project is a request to continue a master's project (2017/14640-2 process) that was evaluated and indicated, due to its extreme potential, to become a doctoral project. Therefore, some results obtained until this moment will be used as a scientific basis for this project presented here. Ultra High Molecular Weight Polyethylene (UHMWPE) is a polymer with high tribological properties (…
(Only some records are available in English at this moment)
Thermal management is a vital feature for safety, reliability, and performance of several applications such as electronic assembly and packaging, solar energy and medical devices, automobile and aerospace structures, etc. Incorporating high contents of thermally conductive fillers has been the most efficient and economical strategy to improve the thermal conductivity (TC) of polymer matri…
The rheological behavior of polymer nanocomposites has attracted considerable attention because most industrial processing and molding techniques involve the flow of the material in the molten state. It is well established that rheometry is a powerful tool to investigate nanocomposite microstructures, and several studies have been carried out with the aim to identify changes in the viscoe…
This project has the main objective of developing a route of insertion of graphene oxide (GO) in polymeric matrixes in order to obtain a good dispersion and maintain the structural integrity of the nanoparticle. Two polymeric matrices will be used: polypropylene (PP) and poly (ethylene terephthalate) (PET). Are being sought, especially, improvements in the mechanical and barrier propertie…
(Only some records are available in English at this moment)
| 1 / 1 | Ongoing research grants |
| 9 / 7 | Completed research grants |
| 3 / 3 | Ongoing scholarships in Brazil |
| 17 / 13 | Completed scholarships in Brazil |
| 4 / 4 | Completed scholarships abroad |
| 34 / 28 | All research grants and scholarships |
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