Larissa Stieven Montagna
Federal University of São Paulo
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Publication
Featured researches published by Larissa Stieven Montagna.
International Journal of Polymer Science | 2017
Larissa Stieven Montagna; Thaís Larissa do Amaral Montanheiro; João Paulo Barros Machado; Fábio Roberto Passador; Ana Paula Lemes; Mirabel Cerqueira Rezende
The influence of different contents, 0.25, 0.50, and 1.00 wt%, of graphite nanosheets (GNS) on the properties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) nanocomposites obtained by solution casting method has been studied. GNS were prepared by three steps: intercalation (chemical exfoliation), expansion (thermal treatment), and the GNS obtainment (physical treatment by ultrasonic exfoliation). X-ray diffraction (XRD), Raman spectroscopy, and field emission gun-scanning electron microscopy (FE-SEM) showed that the physical, chemical, and thermal treatments preserved the graphite sheets structure. XRD and Raman results also showed that GNS were dispersed in the PHBV matrix. The degree of crystallinity (X) of the nanocomposites did not change when the graphite nanosheets were added. However, the GNS acted as nucleation agent for crystallization; that is, in the second heating the samples containing GNS showed two melting peaks. The addition the GNS did not change the thermal stability of the PHBV.
Polymer Bulletin | 2017
Fábio Roberto Passador; Patrick Valadão de Faria; Eduardo Henrique Backes; Thaís Larissa do Amaral Montanheiro; Larissa Stieven Montagna; Simone de Souza Pinto; Luiz Antonio Pessan; Mirabel Cerqueira Rezende
Materials Research-ibero-american Journal of Materials | 2018
Caroline Martins dos Santos; Bruna Cristina da Silva; Eduardo Henrique Backes; Larissa Stieven Montagna; Luiz Antonio Pessan; Fábio Roberto Passador
Materials Research Express | 2018
Larissa Stieven Montagna; Silvia Sizuka Oishi; Milton Faria Diniz; Thaís Larissa do Amaral Montanheiro; Fábio Santos da Silva; Fábio Roberto Passador; Mirabel Cerqueira Rezende
Journal of Polymers and The Environment | 2018
Larissa Stieven Montagna; Thaís Larissa do Amaral Montanheiro; Fábio Roberto Passador; Ana Paula Lemes; Mirabel Cerqueira Rezende
Journal of Applied Polymer Science | 2018
Maikon Stefano dos Santos; Larissa Stieven Montagna; Mirabel Cerqueira Rezende; Fábio Roberto Passador
Advanced Materials Letters | 2018
Larissa Stieven Montagna; Thaís Larissa do Amaral Montanheiro; M.R. Baldan; Ana Paula S. Oliveira; Marcelo A. de Farias; Marcele A. Hocevar; Luiza de Castro Folgueras; Fábio Roberto Passador; Ana Paula Lemes; Mirabel Cerqueira Rezende
Polymer Composites | 2017
Thaís Larissa do Amaral Montanheiro; Larissa Stieven Montagna; João Paulo Barros Machado; Ana Paula Lemes
Materials Research-ibero-american Journal of Materials | 2017
Patrick Valadão de Faria; Eduardo Henrique Backes; Larissa Stieven Montagna; Simone de Souza Pinto; Luiz Antonio Pessan; Mirabel Cerqueira Rezende; Fábio Roberto Passador
Journal of Applied Polymer Science | 2017
Larissa Stieven Montagna; Thaís Larissa do Amaral Montanheiro; Aline Chiodi Borges; Cristiane Yumi Koga-Ito; Ana Paula Lemes; Mirabel Cerqueira Rezende
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