Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties

Qingfa Zhang; Jianlong Chen; Xinyuan Guo; Hanwu Lei; Rongge Zou; Erguang Huo; Xiao Kong; Weiwei Liu; Mingfeng Wang; Zhong Ma; Bin Li

doi:10.1016/j.ijbiomac.2024.129567

Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties

Qingfa Zhang, Jianlong Chen, Xinyuan Guo, Hanwu Lei, Rongge Zou, Erguang Huo, Xiao Kong, Weiwei Liu, Mingfeng Wang, Zhong Ma, Bin Li

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Having poor interfacial compatibility between biochar microsphere (BM) and polylactic acid (PLA) should be responsible for the unbalance of composite film strength and toughness. Elucidating the effect of polydopamine (PDA) on BM and BM/PLA composite films is the ultimate goal of this study based on the mussel bionic principle. It was found that the strong adhesion of PDA on the BM surface was achieved, which improved the surface roughness and thermal stability. Also, PDA modification can facilitate crystallization, increase thermal properties, improve interfacial compatibility, and enhance the tensile properties of BM/PLA composite films. Silane-based PDA modified BM/PLA composite film exhibited the best tensile strength, tensile modulus, and elongation at break with 77.95 MPa, 1.87 GPa, and 7.30%. These noteworthy findings, achieving a simultaneous improvement in PLA strength and toughness, hold promising implications for its sustainability.

Original language	English
Article number	129567
Journal	International Journal of Biological Macromolecules
Volume	260
DOIs	https://doi.org/10.1016/j.ijbiomac.2024.129567
State	Published - Mar 2024
Externally published	Yes

Funding

This work was financially supported by the Natural Science Foundation of Zhejiang Province ( LY22C160003 ), Anhui Provincial Natural Science Foundation ( 2308085QC89 ), National Natural Science Foundation of China ( 32301722 ), Natural Science Research Project of Higher Education Institutions ( 2023AH051022 ), and Anhui Agricultural University high-level talents introduction project ( rc412301 ).

Keywords

Biochar microspheres
Composite films
Polydopamine
Properties improvement

Access to Document

10.1016/j.ijbiomac.2024.129567

Cite this

Zhang, Q., Chen, J., Guo, X., Lei, H., Zou, R., Huo, E., Kong, X., Liu, W., Wang, M., Ma, Z., & Li, B. (2024). Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties. International Journal of Biological Macromolecules, 260, Article 129567. https://doi.org/10.1016/j.ijbiomac.2024.129567

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title = "Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties",

abstract = "Having poor interfacial compatibility between biochar microsphere (BM) and polylactic acid (PLA) should be responsible for the unbalance of composite film strength and toughness. Elucidating the effect of polydopamine (PDA) on BM and BM/PLA composite films is the ultimate goal of this study based on the mussel bionic principle. It was found that the strong adhesion of PDA on the BM surface was achieved, which improved the surface roughness and thermal stability. Also, PDA modification can facilitate crystallization, increase thermal properties, improve interfacial compatibility, and enhance the tensile properties of BM/PLA composite films. Silane-based PDA modified BM/PLA composite film exhibited the best tensile strength, tensile modulus, and elongation at break with 77.95 MPa, 1.87 GPa, and 7.30%. These noteworthy findings, achieving a simultaneous improvement in PLA strength and toughness, hold promising implications for its sustainability.",

keywords = "Biochar microspheres, Composite films, Polydopamine, Properties improvement",

author = "Qingfa Zhang and Jianlong Chen and Xinyuan Guo and Hanwu Lei and Rongge Zou and Erguang Huo and Xiao Kong and Weiwei Liu and Mingfeng Wang and Zhong Ma and Bin Li",

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year = "2024",

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doi = "10.1016/j.ijbiomac.2024.129567",

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Zhang, Q, Chen, J, Guo, X, Lei, H, Zou, R, Huo, E, Kong, X, Liu, W, Wang, M, Ma, Z & Li, B 2024, 'Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties', International Journal of Biological Macromolecules, vol. 260, 129567. https://doi.org/10.1016/j.ijbiomac.2024.129567

Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties. / Zhang, Qingfa; Chen, Jianlong; Guo, Xinyuan et al.
In: International Journal of Biological Macromolecules, Vol. 260, 129567, 03.2024.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films

T2 - Emphasizing the achievement of excellent thermal and mechanical properties

AU - Zhang, Qingfa

AU - Chen, Jianlong

AU - Guo, Xinyuan

AU - Lei, Hanwu

AU - Zou, Rongge

AU - Huo, Erguang

AU - Kong, Xiao

AU - Liu, Weiwei

AU - Wang, Mingfeng

AU - Ma, Zhong

AU - Li, Bin

PY - 2024/3

Y1 - 2024/3

N2 - Having poor interfacial compatibility between biochar microsphere (BM) and polylactic acid (PLA) should be responsible for the unbalance of composite film strength and toughness. Elucidating the effect of polydopamine (PDA) on BM and BM/PLA composite films is the ultimate goal of this study based on the mussel bionic principle. It was found that the strong adhesion of PDA on the BM surface was achieved, which improved the surface roughness and thermal stability. Also, PDA modification can facilitate crystallization, increase thermal properties, improve interfacial compatibility, and enhance the tensile properties of BM/PLA composite films. Silane-based PDA modified BM/PLA composite film exhibited the best tensile strength, tensile modulus, and elongation at break with 77.95 MPa, 1.87 GPa, and 7.30%. These noteworthy findings, achieving a simultaneous improvement in PLA strength and toughness, hold promising implications for its sustainability.

AB - Having poor interfacial compatibility between biochar microsphere (BM) and polylactic acid (PLA) should be responsible for the unbalance of composite film strength and toughness. Elucidating the effect of polydopamine (PDA) on BM and BM/PLA composite films is the ultimate goal of this study based on the mussel bionic principle. It was found that the strong adhesion of PDA on the BM surface was achieved, which improved the surface roughness and thermal stability. Also, PDA modification can facilitate crystallization, increase thermal properties, improve interfacial compatibility, and enhance the tensile properties of BM/PLA composite films. Silane-based PDA modified BM/PLA composite film exhibited the best tensile strength, tensile modulus, and elongation at break with 77.95 MPa, 1.87 GPa, and 7.30%. These noteworthy findings, achieving a simultaneous improvement in PLA strength and toughness, hold promising implications for its sustainability.

KW - Biochar microspheres

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Mussel-inspired polydopamine-modified biochar microsphere for reinforcing polylactic acid composite films: Emphasizing the achievement of excellent thermal and mechanical properties

Abstract

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Keywords

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