Poly (1,4-butylene adipate) (PBA) was copolymerized with polylactic acid (PLA) to enhance the performance of PLA by utilizing PBA as a soft segment and PLA as a hard segment. The copolymer was synthesized through a melt condensation method using PBA and l-lactide. Characterization of the product was conducted using infrared spectroscopy, nuclear magnetic resonance, gel permeation chromatography, differential scanning calorimetry, thermogravimetric analysis, and other techniques. The investigation focused on the thermal stability, mechanical properties, hydrophilicity, and degradation characteristics of the copolymer. The results indicated that copolymerization improved the thermal stability, toughness, and hydrophilicity of PLA, while also delaying the degradation rate of PLA in alkaline environments.
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September 15 2025
Enhanced performance of polylactic acid through copolymerization with poly(1,4-butylene adipate) Available to Purchase
Facan Li;
Facan Li
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, China; Department of Sports Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, China
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Dahong Li;
Dahong Li
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, China
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Dailan Yang;
Dailan Yang
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, China
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Ye Wu;
Ye Wu
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, China
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Yongming Chuan;
Yongming Chuan
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, China
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Mingwei Yuan;
Mingwei Yuan
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, China
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Yin Zhang
National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials,
Yunnan Minzu University
, Kunming, China
; Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming, ChinaCorresponding author Yin Zhang (zhangyin171@mails.ucas.ac.cn)
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Corresponding author Yin Zhang (zhangyin171@mails.ucas.ac.cn)
Statements and declarations The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Publisher: Emerald Publishing
Received:
March 01 2025
Accepted:
August 12 2025
Online ISSN: 2049-1239
Print ISSN: 2049-1220
Funding
Funding Group:
- Award Group:
- Funder(s): National Natural Science Foundation of China
- Award Id(s): 52163013,22461047
- Funder(s):
- Award Group:
- Funder(s): Yunnan Key Laboratory of Chiral Functional Substance Research and Application
- Award Id(s): 202402AN360010
- Funder(s):
- Funding Statement(s): Funding was provided by the National Natural Science Foundation of China and Yunnan Key Laboratory of Chiral Functional Substance Research and Application (Grant Nos. 52163013, 22461047, and 202402AN360010).
© 2025 Emerald Publishing Limited
2025
Emerald Publishing Limited
Licensed re-use rights only
Green Materials (2025)
Article history
Received:
March 01 2025
Accepted:
August 12 2025
Citation
Li F, Li D, Yang D, Wu Y, Chuan Y, Yuan M, Zhang Y (2025;), "Enhanced performance of polylactic acid through copolymerization with poly(1,4-butylene adipate)". Green Materials, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1680/jgrma.25.00044
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