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Photodegradation and photostabilization of polymer nanocomposites based on two-dimensional fillers

Abstract

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 characterization of nanocomposites, this project has as its main focus the study of the mechanisms of degradation and stabilization of these materials, something that until now has not been explored. The degradation / stabilization study will focus on the correct choice of processing additives and protectors against UV radiation. The choice of the polymer matrices was correlated with these areas, such as: polypropylene - PP, low density polyethylene - LDPE and poly (butylene adipate-co-terephthalate) - PBAT for films and injected pieces, and poly(ethylene terephthalate) - PET for filaments. The project comprises two steps: (1) Production and characterization of polymeric nanocomposites based on two-dimensional materials; (2) Study of stabilization of polymeric nanocomposites based on two-dimensional materials. The success of this project depends fundamentally on the production of two-dimensional materials and the strategies of insertion of these materials into the polymer matrices. In order to reach the goals of this project, a multidisciplinary team of researchers was set up with researchers from Graphene and Nano-Material Research Center - MackGraphe, and national (Institute of Macromolecules - IMA/UFRJ) and international collaborations (Case Western Reserve University - USA). (AU)

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Scientific publications (19)
(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.; CREMONEZZI, JOSUE M. O.; RIBEIRO, HELIO; ANDRADE, RICARDO J. E.; DEMARQUETTE, NICOLE R.; FECHINE, GUILHERMINO J. M.. From two-dimensional materials to polymer nanocomposites with emerging multifunctional applications: A critical review. Polymer Composites, v. N/A, p. 33-pg., . (20/11496-0, 18/10910-8, 21/07858-7)
FERREIRA, EDER H. C.; FECHINE, GUILHERMINO J. M.. Healing phenomenon adapted to understand the miscibility of polymer blends: An approach based on the deformation mechanism. Journal of Applied Polymer Science, v. 137, n. 38, . (18/10910-8, 19/13416-7)
RODRIGUEZ, CAMILA L. C.; MUNOZ, PABLO A. R.; DONATO, KATARZYNA Z.; SEIXAS, LEANDRO; DONATO, RICARDO K.; FECHINE, GUILHERMINO J. M.. Understanding the unorthodox stabilization of liquid phase exfoliated molybdenum disulfide (MoS2) in water medium. Physical Chemistry Chemical Physics, v. 22, n. 3, p. 1457-1465, . (12/50259-8, 18/10910-8, 17/00486-1)
GARCIA, PAMELA S.; OLIVEIRA, YURI D. C.; VALIM, FERNANDA C. F.; KOTSILKOVA, RUMIANA; IVANOV, EVGENI; DONATO, RICARDO K.; FECHINE, GUILHERMINO J. M.; ANDRADE, RICARDO J. E.. Tailoring the graphene oxide chemical structure and morphology as a key to polypropylene nanocomposite performance. Polymer Composites, v. 42, n. 11, . (16/12400-1, 12/50259-8, 18/10910-8)
FERREIRA, EDER H. C.; FECHINE, GUILHERMINO J. M.. High abrasive wear resistance polyethylene blends: an adapted Ratner-Lancaster correlation. POLYMER BULLETIN, v. 79, n. 6, p. 18-pg., . (19/13416-7, 18/10910-8)
FERREIRA, EDER H. C.; FECHINE, GUILHERMINO J. M.. High abrasive wear resistance polyethylene blends: an adapted Ratner-Lancaster correlation. POLYMER BULLETIN, . (19/13416-7, 18/10910-8)
DESSI, CLAUDIA; AMURIN, LEICE G.; MUNOZ, PABLO A. R.; DE OLIVEIRA, YURI D. C.; FECHINE, GUILHERMINO J. M.; ANDRADE, RICARDO J. E.. Graphene oxide dispersion state in polystyrene-based composites below percolation threshold via linear melt rheology. RHEOLOGICA ACTA, v. 60, n. 4, p. 209-218, . (12/50259-8, 14/22840-3, 18/10910-8, 17/07244-3, 16/12400-1)
NUNES, MARIO A. B. S.; GARCIA, PAMELA S.; DE MELO, TOMAS J. A.; FECHINE, GUILHERMINO J. M.. Development of poly (linear low-density ethylene)/poly (ethylene-methyl co-acrylate) blends with enhanced thermal-stability and toughening behavior with adding of carbonaceous fillers. Journal of Applied Polymer Science, v. 140, n. 31, p. 14-pg., . (18/10910-8)
VALIM, FERNANDA CABRERA FLORES; OLIVEIRA, GUSTAVO PEIXOTO; DE PAIVA, LUCILENE BETEGA; AMURIN, LEICE GONCALVES; SANTILLO, CHIARA; LAVORGNA, MARINO; ANDRADE, RICARDO JORGE ESPANHOL. Influence of annealing-induced phase separation on the shape memory effect of graphene-based thermoplastic polyurethane nanocomposites. Journal of Applied Polymer Science, v. N/A, p. 17-pg., . (12/50259-8, 17/07244-3, 23/02043-0, 18/10910-8)
FERREIRA, EDER H. C.; LIMA, LUCAS P.; FECHINE, GUILHERMINO J. M.. The "Superlubricity State" of Carbonaceous Fillers on Polymer Composites. MACROMOLECULAR CHEMISTRY AND PHYSICS, v. 221, n. 16, p. 7-pg., . (19/13416-7, 12/50259-8, 18/10910-8)
ANGULO, AURIANNY LIMA; RODRIGUEZ, CAMILA LAURA; MACEDO FECHINE, GUILHERMINO JOSE. Photooxidative Behavior of Polystyrene Nanocomposites Filled with Two-Dimensional Molybdenum Disulfide. POLYMERS, v. 15, n. 9, p. 15-pg., . (18/10910-8)
FERREIRA, EDER H. C.; ANDRADE, RICARDO J. E.; FECHINE, GUILHERMINO J. M.. The "Superlubricity State" of Carbonaceous Fillers on Polyethylene-Based Composites in a Molten State. MACROMOLECULES, v. 52, n. 24, p. 12-pg., . (17/14640-2, 12/50259-8, 18/10910-8)
FERREIRA, EDER H. C.; LIMA, LUCAS P.; FECHINE, GUILHERMINO J. M.. The ``Superlubricity State{''} of Carbonaceous Fillers on Polymer Composites. MACROMOLECULAR CHEMISTRY AND PHYSICS, v. 221, n. 16, . (19/13416-7, 12/50259-8, 18/10910-8)
FERREIRA, EDER H. C.; ANDRADE, RICARDO J. E.; FECHINE, GUILHERMINO J. M.. The ``Superlubricity State{''} of Carbonaceous Fillers on Polyethylene-Based Composites in a Molten State. MACROMOLECULES, v. 52, n. 24, p. 9620-9631, . (12/50259-8, 18/10910-8, 17/14640-2)
RODRIGUEZ, CAMILA L. C.; NUNES, MARIO A. B. S.; GARCIA, PAMELA S.; FECHINE, GUILHERMINO J. M.. Molybdenum disulfide as a filler for a polymeric matrix at an ultralow content: Polystyrene case. Polymer Testing, v. 93, . (18/10910-8, 12/50259-8)
NUNES, MARIO A. B. S.; DE MATOS, BRUNO R.; SILVA, GLAURA G.; ITO, EDSON N.; DE MELO, TOMAS J. A.; FECHINE, GUILHERMINO J. M.. Hybrids nanocomposites based on a polymer blend (linear low-density polyethylene/poly(ethylene-co-methyl acrylate) and carbonaceous fillers (graphene and carbon nanotube). Polymer Composites, v. 42, n. 2, . (18/10910-8)
MAESTRELLI, L. M. D.; OYAMA, H. T. T.; MUNOZ, P. A. R.; CESTARI, I. A.; FECHINE, G. J. M.. Role of Graphene Oxide on the Mechanical Behaviour of Polycarbonate-Urethane/Graphene Oxide Composites. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 24, n. 3, . (12/50259-8, 12/50283-6, 18/10910-8)
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, . (18/10910-8, 18/18055-0, 12/50259-8, 18/05440-2)

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