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Structure and Properties of PLA Composite Enhanced with Biomass Fillers from Herbaceous Plants

Haining Na1,*, Juncheng Huang1, Hongguang Xu2, Fei Liu3, Liangke Xie1, Baoqing Zhu3, Jiuchen Wang2, Jin Zhu1,*

1 Key Laboratory of Bio-Based Polymeric Materials of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
2 Weifang Yunding New Material Technology Company Limited, Weifang, 262100, China
3 Jilin Hwood Technology Company Limited, Dunhua, 133712, China

* Corresponding Authors: Haining Na. Email: email; Jin Zhu. Email: email

(This article belongs to the Special Issue: Natural Fibre Composites: Design, Materials Selection and Fabrication)

Journal of Renewable Materials 2023, 11(2), 491-503. https://doi.org/10.32604/jrm.2023.024181

Abstract

PLA composites containing biomass fillers from the three herbaceous plants such as reed, wheat stalk, and coconut fiber with length and diameter at the scale of several millimeters were prepared without using additives. The reinforcement effect on the properties of PLA/biomass filler composites is investigated. The research results show that the PLA/biomass filler composites exhibit good stiffness, flexural strength, and impact toughness. Among the three kinds of biomass fillers, reed reinforced PLA composites show optimal mechanical properties. When filled with 40%–50% reed, the flexural moduli of the composites are over 7000 MPa. Flexural strength retains at the same level of pure PLA. The notch impact strength reaches to 4.50 ± 0.73 kJ/m2 , which is 2.06 times higher than that of pure PLA. Furthermore, the introduction of biomass fillers increases the crystallization ability of PLA and does not increase the water absorption of the composites. This research demonstrated that PLA composites prepared with biomass fillers from the herbaceous plants (namely herb plastic composites, HPCs) is a material with good comprehensive mechanical properties while retaining the intrinsic particularity of biological sources.

Graphical Abstract

Structure and Properties of PLA Composite Enhanced with Biomass Fillers from Herbaceous Plants

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APA Style
Na, H., Huang, J., Xu, H., Liu, F., Xie, L. et al. (2023). Structure and properties of PLA composite enhanced with biomass fillers from herbaceous plants. Journal of Renewable Materials, 11(2), 491-503. https://doi.org/10.32604/jrm.2023.024181
Vancouver Style
Na H, Huang J, Xu H, Liu F, Xie L, Zhu B, et al. Structure and properties of PLA composite enhanced with biomass fillers from herbaceous plants. J Renew Mater. 2023;11(2):491-503 https://doi.org/10.32604/jrm.2023.024181
IEEE Style
H. Na et al., "Structure and Properties of PLA Composite Enhanced with Biomass Fillers from Herbaceous Plants," J. Renew. Mater., vol. 11, no. 2, pp. 491-503. 2023. https://doi.org/10.32604/jrm.2023.024181



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