Effects of Different Nucleating Agents, Annealing and Pre-stretching Process on the Crystallinity and Mechanical Properties of Poly(butylene carbonate)

Rong Wu; Qin-Yao Jiang; Sheng Zou; Wei Bai; Qing-Yin Wang; Gong-Ying Wang; Shao-Ying Liu

doi:10.1007/s10118-026-3680-z

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Effects of Different Nucleating Agents, Annealing and Pre-stretching Process on the Crystallinity and Mechanical Properties of Poly(butylene carbonate)

RESEARCH ARTICLE | Updated：2026-07-27

- Effects of Different Nucleating Agents, Annealing and Pre-stretching Process on the Crystallinity and Mechanical Properties of Poly(butylene carbonate)
- Chinese Journal of Polymer Science Vol. 44, Issue 8, Pages: 2704-2713(2026)
- Affiliations：
  
  a.Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
  b.University of Chinese Academy of Sciences, Beijing 101400, China
- Author bio：
  
  baiwei@cioc.ac.cn
- Funds：
- DOI：10.1007/s10118-026-3680-z
  CLC： [M
- Received：06 February 2026，
  
  Revised：2026-03-05，
  
  Accepted：18 March 2026，
  
  Online First：09 May 2026，
  
  Published：15 August 2026
- Accepted：
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Wu, R.; Jiang, Q. Y.; Zou, S.; Bai, W.; Wang, Q. Y.; Wang, G. Y.; Liu, S. Y. Effects of different nucleating agents, annealing and pre-stretching process on the crystallinity and mechanical properties of poly(butylene carbonate). Chinese J. Polym. Sci. 2026, 44, 2704–2713

Rong Wu, Qin-Yao Jiang, Sheng Zou, et al. Effects of Different Nucleating Agents, Annealing and Pre-stretching Process on the Crystallinity and Mechanical Properties of Poly(butylene carbonate)[J]. Chinese Journal of Polymer Science, 2026, 44(8): 2704-2713.
Wu, R.; Jiang, Q. Y.; Zou, S.; Bai, W.; Wang, Q. Y.; Wang, G. Y.; Liu, S. Y. Effects of different nucleating agents, annealing and pre-stretching process on the crystallinity and mechanical properties of poly(butylene carbonate). Chinese J. Polym. Sci. 2026, 44, 2704–2713 DOI： 10.1007/s10118-026-3680-z.

Rong Wu, Qin-Yao Jiang, Sheng Zou, et al. Effects of Different Nucleating Agents, Annealing and Pre-stretching Process on the Crystallinity and Mechanical Properties of Poly(butylene carbonate)[J]. Chinese Journal of Polymer Science, 2026, 44(8): 2704-2713. DOI： 10.1007/s10118-026-3680-z.

摘要

Nucleating agents enhance poly(butylene carbonate) (PBC) performance with annealing and stretching

improving crystallinity and mechanical properties. PBC/SiO

strength rose to 61.96 MPa (annealed) and 83.26 MPa (stretched)

though agent dispersion varies.

Abstract

Poly(butylene carbonate) (PBC)

a biodegradable aliphatic polycarbonate

is limite

d by its suboptimal thermal and mechanical properties. This study enhanced PBC by incorporating nanoscale nucleating agents combined with isothermal annealing and pre-stretching. The results indicate that the dispersion and interfacial interactions of different nucleating agents within the PBC matrix vary significantly. Among them

SiO

demonstrate good dispersion and compatibility

effectively enhancing the storage modulus and crystallization kinetics. Isothermal annealing and pre-stretching treatments further synergistically improved the crystallinity and mechanical performance of the composites: after annealing

the tensile strength of PBC/SiO

increased to 61.96 MPa

and after pre-stretching

it reached 83.26 MPa. Dynamic mechanical analysis and differential scanning calorimetry results consistently show that the incorporation of nucleating agents raises the glass transition temperature and thermal stability of the materials. This research provides systematic experimental evidence and process optimization strategies for the high-performance modification of PBC.

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references

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