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Información tecnológica

On-line version ISSN 0718-0764


NAVIA, Diana P; AYALA, Alfredo A  and  VILLADA, Héctor S. Cassava Flour Biocomposites made by Thermopressing: Effect of Processing Conditions. Inf. tecnol. [online]. 2015, vol.26, n.5, pp.55-62. ISSN 0718-0764.

The objective of this study was to evaluate the effect of process conditions on the production of biocomposites prepared by thermopressing technique, using cassava flour variety MPER 183, fique fiber and glycerol. The variables analyzed were: content of blowing agent, compression pressure and relative humidity on density, flexion stretch, and water vapor adsorption. The results showed that all processing conditions evaluated had significant effect (p<0,05) on response variables. When both sodium bicarbonate as blowing agent and the values of relative humidity were increased, the density and water vapor adsorption values also increased, while flexion stretch values decreased. The absence of pressure during the compression increased the flexion stretch values, and decreased density and the water vapor adsorption values of biocomposites.

Keywords : density; stress; flexion; bioplastics; cassava.

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