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Study of PLA/organoclays nanocomposites: characterization, biodegradation and genotoxic and mutagenic effects

Grant number: 12/00227-2
Support type:Regular Research Grants
Duration: April 01, 2012 - March 31, 2014
Field of knowledge:Interdisciplinary Subjects
Principal Investigator:Ana Rita Morales
Grantee:Ana Rita Morales
Home Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

The concern related to solid waste increases efforts to develop products based on biodegradable materials. Different mechanisms have been studied to optimize the properties of these materials, in order to obtain products that are more interesting from the trade and environment standpoint. The organophilic clays have been used as polymers modifying agents to obtain nanocomposites, which present better properties (mechanical, thermal and barrier). This research project intends to characterize PLA/ organically modified montmorilonites nanocomposites and study biodegradation process of these materials in compost. Besides, the lack of information on the toxic effect of polymers and their nanocomposites after biodegradation process becomes relevant the consideration of toxicity tests in the evaluation of these materials. Therefore, this project also aims at obtain information about genotoxic and mutagenic effects of PLA polymer and its nanocomposites, after different periods of degradation in compost. (AU)

Scientific publications (4)
(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)
BRITO RAMOS, RENATA BRANDAO; SINOHARA SOUZA, PATRICIA MORAES; MORALES, ANA RITA. Influence of clay surfactants polarity on the crystallization and rheological behavior of nanocomposites of PDLLA. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 21, n. 6 2018. Web of Science Citations: 0.
PATRÍCIA MORAES SINOHARA SOUZA; ANA RITA MORALES; LUCIA HELENA INNOCENTINI MEI; MARIA APARECIDA MARIN-MORALES. Estudo da influência de argilas organofílicas no processo de biodegradação do PLA. POLIMEROS-CIENCIA E TECNOLOGIA, v. 24, n. 1, p. 110-116, 2014.
SINOHARA SOUZA, PATRICIA MORAES; CORROQUE, NADIA ALINE; MORALES, ANA RITA; MARIN-MORALES, MARIA APARECIDA; INNOCENTINI MEI, LUCIA HELENA. PLA and Organoclays Nanocomposites: Degradation Process and Evaluation of ecotoxicity Using Allium cepa as Test Organism. JOURNAL OF POLYMERS AND THE ENVIRONMENT, v. 21, n. 4, p. 1052-1063, DEC 2013. Web of Science Citations: 10.
SINOHARA SOUZA, PATRICIA MORAES; MORALES, ANA RITA; MARIN-MORALES, MARIA APARECIDA; INNOCENTINI MEI, LUCIA HELENA. PLA and Montmorilonite Nanocomposites: Properties, Biodegradation and Potential Toxicity. JOURNAL OF POLYMERS AND THE ENVIRONMENT, v. 21, n. 3, p. 738-759, SEP 2013. Web of Science Citations: 22.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.