Unidirectional Pre-stretching and Isothermal Annealing Reinforced Poly(butylene carbonate) Sheets at Room Temperature

Rong Wu; Ming Luo; Zi-Qing Wang; Wei Bai; Qing-Yin Wang

doi:10.1007/s10118-025-3410-y

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Unidirectional Pre-stretching and Isothermal Annealing Reinforced Poly(butylene carbonate) Sheets at Room Temperature

RESEARCH ARTICLE | Updated：2025-09-26

- Unidirectional Pre-stretching and Isothermal Annealing Reinforced Poly(butylene carbonate) Sheets at Room Temperature
- Unidirectional Pre-stretching and Isothermal Annealing Reinforced Poly(butylene carbonate) Sheets at Room Temperature
- 高分子科学（英文） 2025年43卷第10期页码：1863-1874
- Affiliations：
  
  a.Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
  b.Department of Materials Science, Institute of Optoelectronics, Fudan University, Shanghai 200433, China
  c.School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China
  d.University of Chinese Academy of Sciences, Beijing 101400, China
- Author bio：
  
  baiwei@cioc.ac.cn
- Funds：
  
  This study was financially supported by the Sichuan Provincial Regional Innovation Cooperation Project (No. 2024YFHZ0159).;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-025-3410-y.
- DOI：10.1007/s10118-025-3410-y
  中图分类号：
- 收稿：2025-04-14，
  
  修回：2025-06-23，
  
  录用：2025-07-02，
  
  网络首发：2025-09-02，
  
  纸质出版：2025-10-05
- Accepted：
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Wu, R.; Luo, M.; Wang, Z. Q.; Bai, W.; Wang, Q. Y. Unidirectional pre-stretching and isothermal annealing reinforced poly(butylene carbonate) sheets at room temperature. Chinese J. Polym. Sci. 2025, 43, 1863–1874

Rong Wu, Ming Luo, Zi-Qing Wang, et al. Unidirectional Pre-stretching and Isothermal Annealing Reinforced Poly(butylene carbonate) Sheets at Room Temperature[J]. Chinese Journal of Polymer Science, 2025, 43(10): 1863-1874.
Wu, R.; Luo, M.; Wang, Z. Q.; Bai, W.; Wang, Q. Y. Unidirectional pre-stretching and isothermal annealing reinforced poly(butylene carbonate) sheets at room temperature. Chinese J. Polym. Sci. 2025, 43, 1863–1874 DOI： 10.1007/s10118-025-3410-y.

Rong Wu, Ming Luo, Zi-Qing Wang, et al. Unidirectional Pre-stretching and Isothermal Annealing Reinforced Poly(butylene carbonate) Sheets at Room Temperature[J]. Chinese Journal of Polymer Science, 2025, 43(10): 1863-1874. DOI： 10.1007/s10118-025-3410-y.

摘要

PBC prepared via isothermal annealing and pre-stretching in different orders was assessed for crystallinity

mechanical properties

and microstructure to interpret the relationship between the microstructure and macroscopic properties. Here

shish structure emerged under pre-stretching process

crystallinity and tensile strength after annealing-stretching treatment increased to 24.45% and 104.5 MPa

respectively.

Abstract

Semicrystalline polymers usually undergo multilevel microstructural evolutions with annealing and stretching processes

which is essential to tailor the physical properties of the polymer. Here

poly(butylene carbonate) (PBC) sheets were prepared

via

isothermal annealing and unidirectional pre-stretching processes

then the changes of PBC in crystallinity

mechanical properties

thermal properties and microscopic changes before and after annealing and stretching were measured

as well as the relationship between microstructure and

macroscopic properties before and after stretching. The strengthening mechanism of PBC was also described. It was demonstrated that shish-kabab structure emerged under the pre-stretching process. With the increase of the tensile ratio

the crystallinity

structure and mechanical properties are increased differently. Among them

the crystallinity and tensile strength after annealing-stretching treatment increased to 24.45% and 104.5 MPa

respectively

which were about 1.55 times and 3.4 times of those without any treatment.

关键词

Keywords

references

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