全生物降解聚草酸-碳酸丁二醇酯的合成与性能研究

韩晓慧; 冯俊; 周佳; 熊新阳; 王培贤; 王自庆

doi:10.11777/j.issn1000-3304.2026.26021

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全生物降解聚草酸-碳酸丁二醇酯的合成与性能研究

研究论文 | 更新时间：2026-04-27

- 全生物降解聚草酸-碳酸丁二醇酯的合成与性能研究
- Synthesis and Properties of Fully Biodegradable Poly(butylene oxalate-co-butylene carbonate)
- 高分子学报 2026年页码：1-14
- 作者机构：
  
  1.石河子大学化学化工学院石河子 832001
  2.新疆天业(集团)有限公司石河子 832001
  3.新疆天业汇合新材料有限公司兵团碳基新材料产业创新研究院石河子 832001
- 作者简介：
  
  E-mail:wzq20070420@163.com ;wzq_yh@shzu.edu.cn;
- 基金信息：
  
  国家自然科学基金(基金号 22068033);新疆自治区天山英才青年拔尖人才(2024TSYCCX0112);石河子煤化工共性研究院“揭榜挂帅”项目(MGJY0104)
- DOI：10.11777/j.issn1000-3304.2026.26021
  中图分类号：
- CSTR：32057.14.GFZXB.2026.7592
- 收稿：2026-01-27，
  
  录用：2026-03-27，
  
  网络首发：2026-04-27，
- 稿件说明：
移动端阅览
韩晓慧, 冯俊, 周佳, 熊新阳, 王培贤, 王自庆. 全生物降解聚草酸-碳酸丁二醇酯的合成与性能研究. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26021.

Han, X. H.; Feng, J.; Zhou, J.; Xiong, X. Y.; Wang, P. X.; Wang, Z. Q. Synthesis and properties of fully biodegradable poly(butylene oxalate-co-butylene carbonate). Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26021.
韩晓慧, 冯俊, 周佳, 熊新阳, 王培贤, 王自庆. 全生物降解聚草酸-碳酸丁二醇酯的合成与性能研究. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26021. DOI： CSTR： 32057.14.GFZXB.2026.7592.

Han, X. H.; Feng, J.; Zhou, J.; Xiong, X. Y.; Wang, P. X.; Wang, Z. Q. Synthesis and properties of fully biodegradable poly(butylene oxalate-co-butylene carbonate). Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26021. DOI： CSTR： 32057.14.GFZXB.2026.7592.

摘要

本研究以草酸二甲酯(DMO)、碳酸二甲酯(DMC)和1

4-丁二醇(BDO)为原料，通过两步酯交换缩聚法

成功合成了一系列高分子量聚草酸-碳酸丁二醇酯(PBOC). 重点探究碳酸酯(BC)链段含量对PBOC结构与性能的影响. 结果表明，PBOC表现为BC和草酸酯(BO)链段的无规共聚物，呈现出单一玻璃化转化温度(

)，且随着BC含量的增加而降低；BC链段的引入破坏了聚草酸丁二醇酯(PBO)分子链的规整性，显著抑制了其结晶能力，因此PBOC的熔融温度、结晶度及结晶速率均随着BC含量的增加而降低. 通过改变BC含量可以实现对PBOC力学性能、阻隔性能和降解性能的有效调控. 当BO含量为80%时，获得PBO

C共聚物的拉伸强度和断裂伸长率分别为48 MPa和600%，以商业聚丁二酸-对苯二甲酸丁二醇酯(PBST)为参考，PBO

C的O

和H

O的阻隔性能提升因子BIFp (O

)和BIFp (H

O)分别为6.4和5.2，显著优于其它商业共聚酯，为高性能生物降解材料的研究提供了参考.

Abstract

Using dimethyl oxalate (DMO)

dimethyl carbonate (DMC)

and 1

4-butanediol (BDO) as raw materials

a series of high-molecular-weight poly(butylene oxalate-

-butylene carbonate) (PBOC) were successfully synthesized

via

a two-step transesterification polycondensation method

the effect of the butylene carbonate (BC) segment content on the structure and properties of PBOC was investigated. It was found that PBOC was a random copolymer of BC and poly(butylene oxalate) (PBO)

exhibiting a single glass transition temperature (

)

which decreased with increasing BC content. The introduction of BC segments would disrupt the regularity of the PBO molecular chains

significantly inhibiting the crystallization ability of PBO

and the melting temperature

crystallinity

and crystallization rate of PBOC all decreased with increasing BC content. The mechanical properties

barrier properties

and degradation performance of PBOC could be effectively controlled by adjusting the BC content. When the BO content is 80%

the obtained PBO

C achieved a tensile str

ength of 48 MPa and an elongation at break of 600%. Taking the permeability coefficient of commercial poly(butylene succinate-

-terephthalate ) (PBST) as a reference

the barrier improvement factors of PBO

C for O

and H

BIFp (O

) and BIFp (H

are 6.4 and 5.2

respectively

much higher than those of other commercial copolyesters. This study provides a valuable reference for the research and development of high-performance biodegradable materials.

关键词

Keywords

references

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