Soil Burial of Polylactic Acid/Paddy Straw Powder Biocomposite

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ID: 109215
2015
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Abstract
The objective of this work was to study the biodegradability of polylactic acid (PLA)/paddy straw powder (PSP) biocomposites. Environmental degradation was evaluated by composting the biocomposite samples into the soil. Different techniques, including mechanical tests and scanning electron microscopy (SEM), were used to obtain a view of the degradation that occurred during the soil burial of the biocomposites. Results of the mechanical tests showed that an increasing content of PSP in the biocomposites decreased the tensile strength and elongation at break (EB), while it increased the modulus of elasticity after six months of exposure. Scanning electron microscopy on the surface after soil burial showed that the filler was poorly wetted by the matrix. This explains the reduction in tensile strength and the elongation at break after soil burial. Differential scanning calorimetry results indicated that the crystallinity of the biocomposites increased with longer composting periods.
Reference Key
yaacob2015soilbioresources Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yaacob, Noorulnajwa Diyana;Ismail, Hanafi;Ting, Sam Sung;
Journal bioresources
Year 2015
DOI
DOI not found
URL
http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_1_1255_Yaacob_Soil_Burial_Polylactic_Straw_Powder
Keywords
Biotechnology general works

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