Duclerc F. Parra
lnstituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN) Av. Lineu Prestes, 2242,
Cidade Universitaria CEP:05508-900, Sao Paulo, SP, Brasil
Juliana A. Fusaro da R. Rodrigues
lnstituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN) Av. Lineu Prestes, 2242,
Cidade Universitaria CEP:05508-900, Sao Paulo, SP, Brasil
Patricia Ponce
lnstituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN) Av. Lineu Prestes, 2242,
Cidade Universitaria CEP:05508-900, Sao Paulo, SP, Brasil
Ademar Benevolo Lugao
lnstituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN) Av. Lineu Prestes, 2242,
Cidade Universitaria CEP:05508-900, Sao Paulo, SP, Brasil
ABSTRACT
The poly-3-hydroxibutirate (PHB), a natural polymer produced in the Burkholderia saccharia bacteria, has been investigated as an intelligent and biodegradable alternative for plastic film. The objective of this research was to study the thermal and mechanical properties, water vapor permeability and water solubility of PHB polymeric blends with low molecular weight polyetilenoglicol in different plasticizer concentrations. Casting process produced the biofilms. The mechanical and thermal properties, puncture resistance, water vapor permeability and solubility were highly influenced by the presence of plasticizer polyethyleneglycol (PEG) in the biofilms. The plasticizer effect exercised by the PEG, which ascribes good flexibility to the films allow to the production of smaller thickness than those performed so far. The PHB/PEG biofilms are totally biodegradable, with the increase of PEG levels is observed a light decrease of the water vapor barrier and solubility properties. It has thermal properties of resistance compatible with domestic and industrial plastic packing.
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How to cite this article
Duclerc F. Parra, Juliana A. Fusaro da R. Rodrigues, Patricia Ponce and Ademar Benevolo Lugao, 2005. Biodegradable Polymeric Films of PHB from Burkholderia saccharia
in Presence of Polyethyleneglycol. Pakistan Journal of Biological Sciences, 8: 1041-1044.
DOI: 10.3923/pjbs.2005.1041.1044
URL: https://scialert.net/abstract/?doi=pjbs.2005.1041.1044
DOI: 10.3923/pjbs.2005.1041.1044
URL: https://scialert.net/abstract/?doi=pjbs.2005.1041.1044
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