Poly(lactic acid) bio-composites containing biochar particles: Effects of fillers and plasticizer on crystallization and thermal properties

نویسندگان

چکیده

Biochar has emerged as a filler material for bio-degradable composites with favorable thermal and mechanical properties. Therefore, biochar is used in poly (lactic acid) (PLA) PLA/thermoplastic starch (TPS) based composites. The crystallization thermo-analytical properties of these blends increasing amounts (20 to 50 wt%) are investigated. In the thermogravimetric analysis, PLA/char composites’ onset degradation temperature maximum weight loss decrease concentrations (320 275 °C 380 350 °C, respectively). Contrastingly, PLA/TPS/char composites, impact shielded by TPS. unaltered glass transition demonstrates that does not act plasticizer any while TPS does. acts nucleation agent, but hinders further crystal growth at high concentrations, confirmed isothermal infrared spectroscopy. smoothens PLA/biochar interface, leading an obstructed effect biochar, proven differential scanning calorimetry, spectroscopy, electron microscopy. This work shielding on can help understand optimize production biodegradability

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ژورنال

عنوان ژورنال: Express Polymer Letters

سال: 2021

ISSN: ['1788-618X']

DOI: https://doi.org/10.3144/expresspolymlett.2021.30