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Study of the desintegration and biodegradation of poly(butylene adipate co-terephtalate) mulch films

Grant number: 17/06103-7
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2017
Effective date (End): July 31, 2018
Field of knowledge:Interdisciplinary Subjects
Principal Investigator:Ana Rita Morales
Grantee:Felipe Mourão Coelho
Host Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil


The use of plastic films for mulching is widespread in agriculture. However, the use of these films is associated with the negative environmental impact of waste generation, which demands costs for adequate disposal. Thus, it is interesting to evaluate conventional mulch films that are biodegradable and could be incorporated into the soil after using without a need for removal and final destination for sanitary landfills. In this context, this study aims to study the biodegradation of PBAT formulations proposed for application in agriculture, by evaluating their disintegration and biodegradation in soil. Taking into account that the photodegradation processes act on important properties of the polymer during its shelf life, the disintegration and biodegradation assays will be carried out on samples that were previously submitted by accelerated ageing test. This project is part of a PhD project in which the beneficiary will carry out some specific activities and will have the opportunity to follow some activities carried out by the PhD student. (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)
SINOHARA SOUZA, PATRICIA MORAES; COELHO, FELIPE MOURAO; DEROLDO SOMMAGGIO, LAIS ROBERTA; MARIN-MORALES, MARIA APARECIDA; MORALES, ANA RITA. Disintegration and Biodegradation in Soil of PBAT Mulch Films: Influence of the Stabilization Systems Based on Carbon Black/Hindered Amine Light Stabilizer and Carbon Black/Vitamin E. JOURNAL OF POLYMERS AND THE ENVIRONMENT, v. 27, n. 7, p. 1584-1594, . (17/06103-7, 16/10777-0)

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