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Functionalization of cellulose nanocrystals to developing biodegradable nanocomposites PBAT/CNC

Grant number: 16/09588-9
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2016
Effective date (End): July 28, 2020
Field of knowledge:Engineering - Materials and Metallurgical Engineering
Principal Investigator:Liliane Maria Ferrareso Lona
Grantee:Filipe Vargas Ferreira
Home Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):18/16851-3 - Nanocellulose foams filled with 45S5 Bioglass®: a three-dimensional environmentally friendly scaffold for bone tissue engineering, BE.EP.DR


Cellulose nanocrystals (CNC), especially the functionalized, have been used as reinforcement to produce biodegradable nanocomposites due to its abundance, biodegradability and good thermal and mechanical properties. The incorporation of CNC to poly(butylene adipate-co-terephthalate) (PBAT) can influence the polymer properties. However, the composites properties can be better or worse than the pure polymer properties, depending on the type of functionalization. Therefore, this work aims to study the influence of CNC functionalization on the biodegradability and the thermal and mechanical properties of the composites PBAT/CNC. In order to attain the main objective, two process variables that can influence the properties of composites will be studied: functionalization type of CNC and the amount of CNC in the composite. The CNCs will be isolated from sugarcane bagasse and functionalized with dodecylamine (DDA) and ethylenediamine (EDA). Nanocomposites PBAT/CNC will be prepared in situ by polycondensation process, with CNC concentration ranging from 0.2 to 10 wt%. The biodegradability, mechanical and thermal properties of composites and pure polymer will be systematically studied. The relationship between this information will give support to understand the interaction between the CNC and PBAT, also to clarify how the CNC can change the properties of the nanocomposite.

Scientific publications (14)
(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)
FERREIRA, V, FILIPE; SOUZA, LUCAS P.; MARTINS, THAIS M. M.; LOPES, JOAO H.; MATTOS, BRUNO D.; MARIANO, MARCOS; PINHEIRO, IVANEI F.; VALVERDE, THALITA M.; LIVI, SEBASTIEN; CAMILLI, JOSE A.; GOES, ALFREDO M.; GOUVEIA, RUBIA F.; LONA, LILIANE M. F.; ROJAS, ORLANDO J. Nanocellulose/bioactive glass cryogels as scaffolds for bone regeneration. NANOSCALE, v. 11, n. 42, p. 19842-19849, NOV 14 2019. Web of Science Citations: 0.
FERREIA, F. V.; TRINDADE, G. N.; LONA, L. M. F.; BERNARDES, J. S.; GOUVEIA, R. F. LDPE-based composites reinforced with surface modified cellulose fibres: 3D morphological and morphometrical analyses to understand the improved mechanical performance. EUROPEAN POLYMER JOURNAL, v. 117, p. 105-113, AUG 2019. Web of Science Citations: 1.
FERREIRA, FILIPE V.; PINHEIRO, IVANEI F.; MARIANO, MARCOS; CIVIDANES, LUCIANA S.; COSTA, JOAO C. M.; NASCIMENTO, NAYRA R.; KIMURA, SOLENISE P. R.; NETO, JOSE C. M.; LONA, LILIANE M. F. Environmentally friendly polymer composites based on PBAT reinforced with natural fibers from the amazon forest. Polymer Composites, v. 40, n. 8, p. 3351-3360, AUG 2019. Web of Science Citations: 4.
FERREIRA, V, F.; MARIANO, M.; LEPESQUEUR, L. S. S.; PINHEIRO, I. F.; SANTOS, L. G.; BURGA-SANCHEZ, J.; SOUZA, D. H. S.; KOGA-ITO, C. Y.; TEIXEIRA-NETO, A. A.; MEI, I, L. H.; GOUVEIA, R. F.; LONA, L. M. F. Silver nanoparticles coated with dodecanethiol used as fillers in non-cytotoxic and antifungal PBAT surface based on nanocomposites. Materials Science & Engineering C-Materials for Biological Applications, v. 98, p. 800-807, MAY 2019. Web of Science Citations: 4.
PINHEIRO, I. F.; FERREIRA, F. V.; ALVES, G. F.; RODOLFO, A.; MORALES, A. R.; MEI, L. H. I. Biodegradable PBAT-Based Nanocomposites Reinforced with Functionalized Cellulose Nanocrystals from Pseudobombax munguba: Rheological, Thermal, Mechanical and Biodegradability Properties. JOURNAL OF POLYMERS AND THE ENVIRONMENT, v. 27, n. 4, p. 757-766, APR 2019. Web of Science Citations: 6.
FERREIRA, FILIPE V.; CIVIDANES, LUCIANA S.; GOUVEIA, RUBIA F.; LONA, LILIANE M. F. An overview on properties and applications of poly(butylene adipate-co-terephthalate)-PBAT based composites. POLYMER ENGINEERING AND SCIENCE, v. 59, n. 2, p. E7-E15, MAR 2019. Web of Science Citations: 14.
FERREIRA, FILIPE V.; MARIANO, MARCOS; PINHEIRO, IVANEI F.; CAZALINI, ELISA M.; SOUZA, DIEGO H. S.; LEPESQUEUR, LAURA S. S.; KOGA-ITO, CRISTIANE Y.; GOUVEIA, RUBIA F.; LONA, LILIANE M. F. Cellulose nanocrystal-based poly(butylene adipate-co-terephthalate) nanocomposites covered with antimicrobial silver thin films. POLYMER ENGINEERING AND SCIENCE, v. 59, n. 2, p. E356-E365, MAR 2019. Web of Science Citations: 1.
FERREIRA, F. V.; DUFRESNE, A.; PINHEIRO, I. F.; SOUZA, D. H. S.; GOUVEIA, R. F.; MEI, L. H. I.; LONA, L. M. F. How do cellulose nanocrystals affect the overall properties of biodegradable polymer nanocomposites: A comprehensive review. EUROPEAN POLYMER JOURNAL, v. 108, p. 274-285, NOV 2018. Web of Science Citations: 22.
ROSA, RAPHAEL P.; FERREIRA, FILIPE V.; SARAVIA, ANA PAOLA K.; ROCCO, SILVANA A.; SFORCA, MAURICIO L.; GOUVEIA, RUBIA F.; LONA, LILIANE M. F. A Combined Computational and Experimental Study on the Polymerization of epsilon-Caprolactone. Industrial & Engineering Chemistry Research, v. 57, n. 40, p. 13387-13395, OCT 10 2018. Web of Science Citations: 5.
DE MENEZES, B. R. C.; FERREIRA, F. V.; SILVA, B. C.; SIMONETTI, E. A. N.; BASTOS, T. M.; CIVIDANES, L. S.; THIM, G. P. Effects of octadecylamine functionalization of carbon nanotubes on dispersion, polarity, and mechanical properties of CNT/HDPE nanocomposites. Journal of Materials Science, v. 53, n. 20, p. 14311-14327, OCT 2018. Web of Science Citations: 12.
BOTAN, R.; PINHEIRO, I. F.; FERREIRA, V, F.; LONA, L. M. F. Correlation between water absorption and mechanical properties of polyamide 6 filled with layered double hydroxides (LDH). MATERIALS RESEARCH EXPRESS, v. 5, n. 6 JUN 2018. Web of Science Citations: 8.
FERREIRA, F. V.; MARIANO, M.; RABELO, S. C.; GOUVEIA, R. F.; LONA, L. M. F. Isolation and surface modification of cellulose nanocrystals from sugarcane bagasse waste: From a micro- to a nano-scale view. Applied Surface Science, v. 436, p. 1113-1122, APR 1 2018. Web of Science Citations: 36.
FERREIRA, F. V.; PINHEIRO, I. F.; GOUVEIA, R. F.; THIM, G. P.; LONA, L. M. F. Functionalized cellulose nanocrystals as reinforcement in biodegradable polymer nanocomposites. Polymer Composites, v. 39, n. 1, SI, p. E9-E29, APR 2018. Web of Science Citations: 26.
PINHEIRO, I. F.; FERREIRA, F. V.; SOUZA, D. H. S.; GOUVEIA, R. F.; LONA, L. M. F.; MORALES, A. R.; MEI, L. H. I. Mechanical, rheological and degradation properties of PBAT nanocomposites reinforced by functionalized cellulose nanocrystals. EUROPEAN POLYMER JOURNAL, v. 97, p. 356-365, DEC 2017. Web of Science Citations: 34.

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