Polímeros: Ciência e Tecnologia
http://revistapolimeros.org.br/doi/10.1590/0104-1428.1712
Polímeros: Ciência e Tecnologia
Scientific & Technical Article

Biodegradation evaluation of bacterial cellulose, vegetable cellulose and poly (3-hydroxybutyrate) in soil

Schröpfer, Suellen Brasil; Bottene, Marcia Karpinski; Bianchin, Liane; Robinson, Luiz Carlos; Lima, Viviane de; Jahno, Vanusca Dalosto; Barud, Hernane da Silva; Ribeiro, Sidney José Lima

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Abstract

In recent years, the inappropriate disposal of polymeric materials has increased due to industrial development and increase of population consumption. This problem may be minimized by using biodegradable polymers, such as bacterial cellulose and poly(hydroxybutyrate), from renewable resources. This work was aimed at monitoring and evaluating degradation of bacterial cellulose, vegetable cellulose and poly(3-hydroxybutyrate) using Thermogravimetric Analysis and Scanning Electron Microscopy. Controlled mass polymer samples were buried in pots containing soil. Samples were removed in 30 day intervals up to 180 days. The results show that the mass of the polymer increased in the first month when in contact with the soil but then it was degraded as evidenced by mass loss and changes on the sample surface.

Keywords

biodegradation, Poly(3-hydroxybutyrate), bacterial cellulose, vegetable cellulose, environmental impact.

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