Abstract
The surface of silicon dioxide (SiO2) nanoparticles was treated with oleic acid, and the resulting surface properties were characterized. Bio-based poly(lactic acid) (PLA)/poly(butylene succinate)/SiO2 nanocomposites were fabricated via solution blending. The influence of the SiO2 content on the thermal stability, flexural properties, impact strength, and morphology of the prepared nanocomposites was investigated using several techniques. The impact strength of the nanocomposites with surface treated SiO2 (O-SiO2) nanoparticles substantially increased with increasing O-SiO2 content from 0 to 3 wt%. Scanning electron microscopy imaging revealed that the nanocomposites with O-SiO2 nanoparticles exhibited numerous tortuous cracks and ridges, indicating ductile deformation prior to fracturing.
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Acknowledgements
This work was supported by the Technology Innovation Program (or Industrial Strategic Technology Development Program (10083586, Development of petroleum based graphite fibers with ultra-high thermal conductivity) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea) and the Technological Innovation R&D Program (S2829590) funded by the Small and Medium Business Administration (SMBA, Korea).
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Jin, FL., Hu, RR. & Park, SJ. Improved impact strength of poly(lactic acid) by incorporating poly(butylene succinate) and silicon dioxide nanoparticles. Korean J. Chem. Eng. 37, 905–910 (2020). https://doi.org/10.1007/s11814-020-0488-3
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DOI: https://doi.org/10.1007/s11814-020-0488-3