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Enhancing mechanical properties of polylactic acid through the incorporation of cellulose nanocrystals for engineering plastic applications

Teknomekanik · Vol. 7 No. 1 (2024) · hlm. 20–28

DOI
10.24036/teknomekanik.v7i1.30072
ISSN
2621-8720, 2621-9980
Terbit
2024-05-15
Penerbit
Universitas Negeri Padang
Bahasa
eng
Lisensi
creativecommons.org/licenses/by/4.0

Abstrak

This study investigates the potential of enhancing the mechanical properties of polylactic acid (PLA) using cellulose nanocrystals (CNC). Recognized for their high specific strength and stiffness, CNCs are considered to improve the performance of PLA in engineering plastic applications. The synthesis involves a twin-screw extrusion process, which facilitates the uniform dispersion of CNC within the PLA matrix. The mechanical properties, including tensile strength and elongation at break, are comprehensively analyzed, highlighting the effects of CNC concentrations on the performance of PLA composites. Notably, the addition of 1 wt% CNC resulted in a 20% increase in strain at break compared to pure PLA, demonstrating enhanced ductility. Additionally, the thermal resistance of the composite increased by 0.3% with the inclusion of 5 wt% CNC. This study highlights the positive effect of CNC addition on the mechanical properties of PLA composites, making them more suitable for specialized engineering uses.

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Sumber metadata: OAI-PMH (metadata jurnal) http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/oai, pertama di-harvest 10 Nov 2026, terakhir terlihat 10 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">Enhancing mechanical properties of polylactic acid through the incorporation of cellulose nanocrystals for engineering plastic applications</dc:title>
	<dc:creator xml:lang="en">Shi, Shih-Chen</dc:creator>
	<dc:creator xml:lang="en">Hsieh, Chia-Feng</dc:creator>
	<dc:creator xml:lang="en">Rahmadiawan, Dieter</dc:creator>
	<dc:subject xml:lang="en">Polylactic acid</dc:subject>
	<dc:subject xml:lang="en">Cellulose nanocrystals</dc:subject>
	<dc:subject xml:lang="en">Mechanical properties</dc:subject>
	<dc:subject xml:lang="en">Biocomposites</dc:subject>
	<dc:subject xml:lang="en">Engineering plastics</dc:subject>
	<dc:description xml:lang="en">This study investigates the potential of enhancing the mechanical properties of polylactic acid (PLA) using cellulose nanocrystals (CNC). Recognized for their high specific strength and stiffness, CNCs are considered to improve the performance of PLA in engineering plastic applications. The synthesis involves a twin-screw extrusion process, which facilitates the uniform dispersion of CNC within the PLA matrix. The mechanical properties, including tensile strength and elongation at break, are comprehensively analyzed, highlighting the effects of CNC concentrations on the performance of PLA composites. Notably, the addition of 1 wt% CNC resulted in a 20% increase in strain at break compared to pure PLA, demonstrating enhanced ductility. Additionally, the thermal resistance of the composite increased by 0.3% with the inclusion of 5 wt% CNC. This study highlights the positive effect of CNC addition on the mechanical properties of PLA composites, making them more suitable for specialized engineering uses.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Padang</dc:publisher>
	<dc:date>2024-05-15</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/300</dc:identifier>
	<dc:identifier>10.24036/teknomekanik.v7i1.30072</dc:identifier>
	<dc:source xml:lang="en">Teknomekanik; Vol. 7 No. 1 (2024): Regular Issue; 20-28</dc:source>
	<dc:source>2621-8720</dc:source>
	<dc:source>2621-9980</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/300/79</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2024 Shih-Chen Shi, Chia-Feng Hsieh, Dieter Rahmadiawan (Author)</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>