Effect of Surface Modification on Impact Strength and Flexural Strength of Poly(lactic acid)/Silicon Carbide Nanocomposites

Silicon carbide (SiC) nanoparticles were surface modified using a silane coupling agent, and their properties were characterized using Fourier transform infrared, thermogravimetric analysis, and scanning electron microscope. Biodegradable poly(lactic acid) (PLA) composites were manufactured from PLA...

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Bibliographic Details
Published in:Macromolecular research 2018, 26(3), , pp.211-214
Main Authors: Jin, Fan-Long, Zhang, Heng, Yao, Shan-Shan, Park, Soo-Jin
Format: Article
Language:English
Subjects:
Biodegradability
Blending effects
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Communication
Complex Fluids and Microfluidics
Coupling agents
Ductile fracture
Electron micrographs
Electron microscopes
Flexural strength
Fourier transforms
Impact strength
Infrared analysis
Nanochemistry
Nanocomposites
Nanoparticles
Nanotechnology
Physical Chemistry
Polylactic acid
Polymer Sciences
Silicon carbide
Soft and Granular Matter
Thermogravimetric analysis
고분자공학
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Summary:Silicon carbide (SiC) nanoparticles were surface modified using a silane coupling agent, and their properties were characterized using Fourier transform infrared, thermogravimetric analysis, and scanning electron microscope. Biodegradable poly(lactic acid) (PLA) composites were manufactured from PLA and SiC nanoparticles using a solution-blending method. The effect of SiC surface modification on the impact strength, flexural strength, and morphology of the PLA/SiC nanocomposites was studied. The impact strength of the PLA/surface-modified SiC (S-SiC) nanocomposites improved remarkably with increasing S-SiC content and scanning electron micrographs revealed that the PLA/S-SiC nanocomposites possessed a more ductile fracture surface than neat PLA or the PLA/SiC nanocomposites.
ISSN:1598-5032
2092-7673
DOI:10.1007/s13233-018-6028-x