Nanocellulose/PHBV composites: microfibilated mats by electrospinning

• Grant number: 11/14153-8
• Support Opportunities: Scholarships in Brazil - Doctorate
• Effective date (Start): March 01, 2012
• Effective date (End): January 31, 2015
• Field of knowledge: Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
• Principal Investigator: Herman Jacobus Cornelis Voorwald
• Grantee: Kelly Cristina Coelho de Carvalho Benini
• Host Institution: Faculdade de Engenharia (FEG). Universidade Estadual Paulista (UNESP). Campus de Guaratinguetá. Guaratinguetá , SP, Brazil

Abstract

The development of composites made from biodegradable and renewable raw materials has been the subject of much research in scientific institutions and industries due to factors such as increased environmental awareness and the need to develop products taking into account sustainability.Strengthening biodegradable matrices with lignocellulosic fibers is one of the viable alternatives to improve the mechanical properties of these matrices without the need for synthetic fibers. But often these fibers do not confer resistance and mechanical properties necessary for many applications of conventional polymers.Thus the use of cellulose fibers at the nanometer scale becomes interesting since these nanofibers have superior properties compared to other fibers both natural and synthetic micrometer. Among these properties can be highlighted their high surface area, good mechanical properties, including Young's modulus and tensile strength and low coefficient of thermal expansion.In this paper, cellulose nanofibers are obtained from the fiber sape grass through chemical treatments such as mercerization, bleaching and acid hydrolysis, followed by ultrasonification that break the cellulose chains through the process of cavitation.The nanofibers obtained by the different processes will be characterized according to their morphological and thermal properties in order to evaluate the effect of the method of obtaining the properties of nanofibers and then will be mixed in a solution of poly (3-hydroxybutyrate) PHB, to obtain nanofrils weaves by electrospinning process.These cellulose whiskers/PHB will be used as reinforcement to the obtaining of composites by hot compression molding.In each step of the process will be used physical, mechanical, thermal and morphological technics to define the processing parameters and properties of obtained materials.

Scientific publications

(11)

(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)

COELHO DE CARVALHO BENINI, KELLY CRISTINA; CORNELIS VOORWALD, HERMAN JACOBUS; HILARIO CIOFFI, MARIA ODILA; MILANESE, ANDRESSA CECILIA; ORNAGHI, JR., HEITOR L.. . JOURNAL OF NATURAL FIBERS, v. 14, n. 1, p. 112-125, 2017. (11/14153-8)

AVILA DIAS MACIEL, MAISA MILANEZ; COELHO DE CARVALHO BENINI, KELLY CRISTINA; CORNELIS VOORWALD, HERMAN JACOBUS; HILARIO CIOFFI, MARIA ODILA. Obtainment and characterization of nanocellulose from an unwoven industrial textile cotton waste: Effect of acid hydrolysis conditions. International Journal of Biological Macromolecules, v. 126, p. 496-506, APR 1 2019. (11/14153-8)

DE CARVALHO BENINI, KELLY C. C.; BROCKS, THATIANE; MONTORO, SERGIO R.; HILARIO CIOFFI, MARIA ODILA; CORNELIS VOORWALD, HERMAN JACOBUS. Effect of Fiber Chemical Treatment of Nonwoven Coconut Fiber/Epoxy Composites Adhesion Obtained by RTM Process. Polymer Composites, v. 38, n. 11, p. 2518-2527, NOV 2017. (06/02121-6, 11/11311-1, 11/14153-8)

BENINI, KELLY C. C. C.; ORNAGHI JUNIOR, HEITOR L.; BIANCHI, OTAVIO; DE MAGALHAES, WELINGTON FERREIRA; HENRIQUES, FERNANDO FULGENCIO; WINDMOLLER, DARIO; VOORWALD, HERMAN J. C.; CIOFFI, MARIA O. H.. Novel biodegradable composites based on PHBV: Effect of nanocellulose incorporation on the non-isothermal crystallization kinetic and structural parameters. Polymer Composites, v. 40, n. 8, p. 3156-3165, AUG 2019. (11/14153-8)

KELLY C. C. DE CARVALHO BENINI; MARIA ODILA HILÁRIO CIOFFI; HERMAN JACOBUS CORNELIS VOORWALD. PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process. MATERIA-RIO DE JANEIRO, v. 22, n. 2, 2017-07-20. (11/14153-8)

COELHO DE CARVALHO BENINI, KELLY CRISTINA; CORNELIS VOORWALD, HERMAN JACOBUS; HILARIO CIOFFI, MARIA ODILA; REZENDE, MIRABEL CERQUEIRA; ARANTES, VALDEIR. Preparation of nanocellulose from Imperata brasiliensis grass using Taguchi method. Carbohydrate Polymers, v. 192, p. 337-346, JUL 15 2018. (15/02862-5, 11/14153-8)

COELHO DE CARVALHO BENINI, KELLY CRISTINA; CORNELIS VOORWALD, HERMAN JACOBUS; HILARIO CIOFFI, MARIA ODILA; MILANESE, ANDRESSA CECILIA; ORNAGHI, HEITOR L., JR.. Characterization of a New Lignocellulosic Fiber from Brazil: Imperata brasiliensis (Brazilian Satintail) as an Alternative Source for Nanocellulose Extraction. JOURNAL OF NATURAL FIBERS, v. 14, n. 1, p. 14-pg., 2017-01-01. (11/14153-8)

DE CARVALHO BENINI, KELLY C. C.; PEREIRA, PAULO H. F.; CIOFFI, MARIA ODILA H.; CORNELIS VOORWALD, HERMAN JACOBUS; FANGUEIRO, R. Effect of acid hydrolysis conditions on the degradation properties of cellulose from Imperata brasiliensis fibers. X INTERNATIONAL CONFERENCE ON STRUCTURAL DYNAMICS (EURODYN 2017), v. 200, p. 8-pg., 2017-01-01. (11/14153-8)

DE CARVALHO BENINI, KELLY CRISTINA COELHO; ORNAGHI, JR., HEITOR L.; PEREIRA, PAULO HENRIQUE FERNANDES; MASCHIO, LEANDRO JOSE; VOORWALD, HERMAN JACOBUS CORNELIS; CIOFFI, MARIA ODILA HILARIO. Survey on chemical, physical, and thermal prediction behaviors for sequential chemical treatments used to obtain cellulose fromImperata Brasiliensis. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, JAN 2020. (11/14153-8, 15/10386-9)

DE CARVALHO BENINI, KELLY CRISTINA COELHO; ORNAGHI, JR., HEITOR L.; PEREIRA, PAULO HENRIQUE FERNANDES; MASCHIO, LEANDRO JOSE; VOORWALD, HERMAN JACOBUS CORNELIS; CIOFFI, MARIA ODILA HILARIO. Survey on chemical, physical, and thermal prediction behaviors for sequential chemical treatments used to obtain cellulose fromImperata Brasiliensis. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, v. 143, n. 1, p. 73-85, JAN 2021. (11/14153-8, 15/10386-9)

COELHO DE CARVALHO BENINI, KELLY CRISTINA; ORNAGHI JR, HEITOR LUIZ; DE MEDEIROS, NICOLE MORABITO; FERNANDES PEREIRA, PAULO HENRIQUE; HILARIO CIOFFI, MARIA ODILA. Thermal characterization and lifetime prediction of the PHBV/nanocellulose biocomposites using different kinetic approaches. Cellulose, v. 27, n. 13, JUL 2020. (15/10386-9, 11/14153-8)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

BENINI, Kelly Cristina Coelho de Carvalho. Nanocellulose/PHBV composites: microfibilated mats by electrospinning. 2015. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Engenharia. Guaratinguetá Guaratinguetá.