Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 56, Issue 1, Pages 44-54Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2016.1211683
Keywords
Antifungal activity; biocomposite; chitosan; physicochemical properties; PLA; thermoplastic starch
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Funding
- project FOMIX-Yucatan [2008-108160]
- project CONACYT [LAB-2099-01, 123913]
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Biocomposites of polylactic acid, thermoplastic starch, chitosan powder, and chitosan lyophilized powder were prepared using an extrusion process. The color, thermal, structural, mechanical, morphology, and antimicrobial properties were evaluated. The addition of thermoplastic starch and chitosan (chitosan powder and chitosan lyophilized powder) produced significant changes in color and heterogeneous surface morphology of the polylactic acid biocomposites. The thermal, mechanical, and morphometric properties of the material showed changes with the addition of thermoplastic starch and chitosan (chitosan powder and chitosan lyophilized powder). The biocomposites formulated with chitosan powder and chitosan lyophilized powder showed antifungal activity when evaluating this property. The biocomposites produced could be used in packaging applications.
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