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Filaments for three-dimensional printing were fabricated from composites based from biodegradable Poly(lactic Acid) (PLA) and renewable rice husk (RH). Acrylic acid (AA)-grafted PLA (PLA-g-AA) and coupling agent-treated rice husk (TRH)… Click to show full abstract
Filaments for three-dimensional printing were fabricated from composites based from biodegradable Poly(lactic Acid) (PLA) and renewable rice husk (RH). Acrylic acid (AA)-grafted PLA (PLA-g-AA) and coupling agent-treated rice husk (TRH) were incorporated to improve the properties of PLA/RH biocomposites. The biocomposite morphology, tensile properties, water absorption, and biodegradability were investigated. PLA-g-AA/TRH demonstrated superior tensile properties than PLA/RH because of the improved compatibility between the polymer and the TRH. TRH was evenly dispersed in the PLA-g-AA, brought about by ester reaction; consequently, branched and three-dimensional networks structures were generated. These PLA-g-AA/TRH biocomposites can be used as biodegradable materials or filaments for 3D printing applications because of their low cost and excellent properties.
Journal Title: Journal of Polymer Research
Year Published: 2019
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