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Study of the influence of accelerated photodegradation in the biodegradation in soil of Ecovio® films

Grant number: 17/11386-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2017
Effective date (End): September 30, 2018
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal Investigator:Ana Paula Lemes
Grantee:Rita de Cássia Barbosa Camargo Lamparelli
Host Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Federal de São Paulo (UNIFESP). Campus São José dos Campos. São José dos Campos , SP, Brazil


Biodegradable polymers are an attractive and essential alternative to minimize the generation of waste polymeric short life and difficult to degradation, which can not be recycled. However, for its application it is essential to know the processes and periods necessary for its biodegradation, as well as to promote modifications in the final material that allow them to present the desired mechanical, thermal and processing properties. These changes, however, often result in increased resistance to biodegradation, which may not be desired in short life applications. In this context, the accelerated degradation of the biopolymer used in these applications becomes an interesting option with reduction of the natural cycle of the degradation process and reduce the presence of these in the environment as undesirable material. Thus, this research project aims at processing via molding thermal compression Ecovio® films, in addition to the investigation of the influence of accelerated photodegradation, using an ultraviolet radiation chamber in the biodegradation in soil, the physical, thermal and morphological properties of these films in question. For this, the biodegradable films will be characterized by measurements of weight loss (%), differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR-ATR) and scanning electron microscopy (SEM). (AU)

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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)
BARBOSA CAMARGO LAMPARELLI, RITA DE CASSIA; MONTAGNA, LARISSA STIEVEN; BERNARDO DA SILVA, ANA PAULA; DO AMARAL MONTANHEIRO, THAIS LARISSA; LEMES, ANA PAULA. Study of the Biodegradation of PLA/PBAT Films after Biodegradation Tests in Soil and the Aqueous Medium. BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY, v. 12, n. 1, p. 14-pg., . (17/24873-4, 17/11386-8)

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