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Gonzalez, M.E.; Salmoral, E.M.; Traverso, K.; Floccari, M.E. "Effects of gamma radiation on a plastic material based on bean protein" (2002) International Journal of Polymeric Materials and Polymeric Biomaterials. 51(8):721-731
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Abstract:

The effect of gamma radiation applied to a system used for the preparation of biodegradable plastics was studied. The system was composed of the proteins and glucopolysaccharides previously isolated from Phaseolus vulgaris beans, mixed with glycerol and water as plasticizers. The irradiation of mixtures with doses of 25, 50 and 100kGy was carried out in two conditions: (a) before the compression molding process and (b) after mixtures were molded. When the maximum applied dose (100kGy) was applied to mixtures before the molding process, the plastic product obtained presented a deformation reduction of 62%, while the water absorption capacity increased by 20%. When the previously molded products were submitted to gamma radiation, their tensile strength decreased by 20%. The observed effects were attributed to different water content in each mixture and the eventual possibility of rearrangements giving rise to different structural interactions among starch and protein chains. A comparative analysis of biodegradability between irradiated and non-irradiated products is being carried on, with no differences observed up to the present state of the experiments. Copyright © 2002 Taylor and Francis.

Registro:

Documento: Artículo
Título:Effects of gamma radiation on a plastic material based on bean protein
Autor:Gonzalez, M.E.; Salmoral, E.M.; Traverso, K.; Floccari, M.E.
Filiación:Comision Nacional de Energie Atomica, Buenos Aires, Argentina
Faculty de Ingenieria, University Buenos Aires, Buenos Aires, Argentina
Faculty de Cs. Exactas y Naturales, University Buenos Aires, Argentina
Comision Nacional de Energia Atomica, Av. del Libertador 8250, Buenos Aires, Argentina
Palabras clave:Bean protein plastics; Biodegradable plastics; Gamma radiation; Absorption; Biodegradation; Gamma rays; Plasticizers; Starch; Tensile strength; Bean protein plastics; Biodegradable plastics; Plastics
Año:2002
Volumen:51
Número:8
Página de inicio:721
Página de fin:731
DOI: http://dx.doi.org/10.1080/714975831
Título revista:International Journal of Polymeric Materials and Polymeric Biomaterials
Título revista abreviado:Int J Polym Mater
ISSN:00914037
CODEN:IJPMC
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00914037_v51_n8_p721_Gonzalez

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Citas:

---------- APA ----------
Gonzalez, M.E., Salmoral, E.M., Traverso, K. & Floccari, M.E. (2002) . Effects of gamma radiation on a plastic material based on bean protein. International Journal of Polymeric Materials and Polymeric Biomaterials, 51(8), 721-731.
http://dx.doi.org/10.1080/714975831
---------- CHICAGO ----------
Gonzalez, M.E., Salmoral, E.M., Traverso, K., Floccari, M.E. "Effects of gamma radiation on a plastic material based on bean protein" . International Journal of Polymeric Materials and Polymeric Biomaterials 51, no. 8 (2002) : 721-731.
http://dx.doi.org/10.1080/714975831
---------- MLA ----------
Gonzalez, M.E., Salmoral, E.M., Traverso, K., Floccari, M.E. "Effects of gamma radiation on a plastic material based on bean protein" . International Journal of Polymeric Materials and Polymeric Biomaterials, vol. 51, no. 8, 2002, pp. 721-731.
http://dx.doi.org/10.1080/714975831
---------- VANCOUVER ----------
Gonzalez, M.E., Salmoral, E.M., Traverso, K., Floccari, M.E. Effects of gamma radiation on a plastic material based on bean protein. Int J Polym Mater. 2002;51(8):721-731.
http://dx.doi.org/10.1080/714975831