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Investigation of the barriers properties of PET/GO nanocomposites for the packaging industry

Grant number: 18/18055-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2018
Effective date (End): September 30, 2020
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Guilhermino José Macêdo Fechine
Grantee:Giovanna da Cruz Silva
Home Institution: Centro de Pesquisas Avançadas em Grafeno, Nanomateriais e Nanotecnologia (MackGrafe). Universidade Presbiteriana Mackenzie (UPM). Instituto Presbiteriano Mackenzie. São Paulo , SP, Brazil
Associated research grant:12/50259-8 - Graphene: photonics and opto-electronics: UPM-NUS collaboration, AP.SPEC


Graphene and its derivatives due to its excellent properties have presented a very wide range of possible applications, being one of them to be approached in this project. This project is part of the development of polymer nanocomposites, specifically the polyethylene terephthalate (PET)/graphene oxide (GO) system. For this project, the melt mixing technique will be used to prepare the nanocomposites using a twin screw extruder. The main objective of this work will be to obtain PET/GO nanocomposites with high barrier and mechanical properties for the packaging sector, without losing the high degree of PET transparency. The dispersion, interaction and morphology of nanocomposites based on three different compositions (0.05%, 0.1% and 0.3% by mass) will be evaluated, in addition to characterizing the thermal, mechanical and gas barrier properties.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PINTO, GABRIEL M.; SILVA, GIOVANNA DA C.; FECHINE, GUILHERMINO J. M. Effect of exfoliation medium on the morphology of multi-layer graphene oxide and its importance for Poly(Ethylene terephthalate) based nanocomposites. Polymer Testing, v. 90, OCT 2020. Web of Science Citations: 1.
PINTO, GABRIEL M.; SILVA, GIOVANNA DA C.; SANTILLO, CHIARA; LAVORGNA, MARINO; MAIA, JOAO M.; FECHINE, GUILHERMINO J. M. Crystallization kinetics, structure, and rheological behavior of poly(ethylene terephthalate)/multilayer graphene oxide nanocomposites. POLYMER ENGINEERING AND SCIENCE, v. 60, n. 11 AUG 2020. Web of Science Citations: 0.

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