Thermal Behaviors and Mechanical Properties of Polylactic Acid-Bagasse Composite Film

Yamoum, Chamaiporn; Magaraphan, Rathanawan

doi:10.1166/jbmb.2013.1385

Cited by 1 publication

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“…The second transition is associated with the hemicellulose together with extractive residue decomposition at T max of 264.38C. The third transition is associated with the cellulose at T max of 339.58C and a char residue content of 32.1 wt% [22,23]. The PLA sample shows a single transition at T max of 357.58C and has higher decomposition temperature than the PNS.…”

Section: Resultsmentioning

confidence: 96%

Effect of peanut shell content on mechanical, thermal, and biodegradable properties of peanut shell/polylactic acid biocomposites

Yamoum

Magaraphan

2015

Polymer Composites

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Peanut shell (PNS) was combined with polylactic acid (PLA) to form biocomposites. The biocomposites, with up to 40 wt% PNS, were prepared using a twin–screw extruder. The effect of PNS content on the thermal, mechanical, thermomechanical, morphological, and biodegradable properties was studied. The results showed that the addition of PNS caused a reduction of the melting temperature and the decomposition temperature. Furthermore, the crystallinity of the biocomposites slightly increased with increasing PNS up to 30 wt%. The morphological study showed poor interfacial adhesion between the PNS and PLA matrix. Nevertheless, the mechanical properties revealed that the maximum tensile strength and Young's modulus were at a 30 wt% PNS loading and decreased as more PNS was incorporated into the PLA matrix. The impact strength decreased with an increase in PNS content. The addition of PNS showed significantly improvement of the storage modulus of PLA at high temperature (>80°C). Moreover, the presence of PNS enhanced the biodegradability of the biocomposites. POLYM. COMPOS., 38:682–690, 2017. © 2015 Society of Plastics Engineers

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Section: Resultsmentioning

confidence: 96%