Organocatalytic Copolymerization of CO<sub>2</sub>, Epoxides, and Tricyclic Anhydrides for High-transparency Optical Resins

Yan-bing Lu; Wei Huang; Yu-min Zou; Yi-xin Zhang; Xiong Liu; Xiang Li; Cheng-jian Zhang; Xing-hong Zhang

doi:10.11777/j.issn1000-3304.2026.26058

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Organocatalytic Copolymerization of CO₂, Epoxides, and Tricyclic Anhydrides for High-transparency Optical Resins

Research Article | 更新时间：2026-07-08

- Organocatalytic Copolymerization of CO₂, Epoxides, and Tricyclic Anhydrides for High-transparency Optical Resins
- Acta Polymerica Sinica Vol. 57, Issue 7, Pages: 1489-1501(2026)
- 作者机构：
  
  浙江大学高分子科学与工程学系生物基运输燃料技术全国重点实验室浙江省全省高值化学品低碳合成重点实验室杭州 310058
- 作者简介：
  
  Cheng-jian Zhang, E-mail: chengjian.zhang@zju.edu.cn
  Xing-hong Zhang, E-mail: xhzhang@zju.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2026.26058
  CLC：
- CSTR：32057.14.GFZXB.2026.7602
- Received：26 February 2026，
  
  Accepted：03 April 2026，
  
  Online First：17 June 2026，
  
  Published：20 July 2026
- 稿件说明：
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吕彦兵, 黄威, 邹俞民, 章伊欣, 刘雄, 李享, 张成建, 张兴宏. 有机催化二氧化碳、环氧化物和环状酸酐共聚制备高透明光学树脂. 高分子学报, 2026, 57(7), 1489-1501.

Lu, Y. B.; Huang W.; Zou, Y. M.; Zhang, Y. X.; Liu, X.; Li, X.; Zhang, C. J.; Zhang, X. H. Organocatalytic copolymerization of CO₂, epoxides, and tricyclic anhydrides for high-transparency optical resins. Acta Polymerica Sinica (in Chinese), 2026, 57(7), 1489-1501. DOI: 10.11777/j.issn1000-3304.2026.26058. CSTR: 32057.14.GFZXB.2026.7602.
吕彦兵, 黄威, 邹俞民, 章伊欣, 刘雄, 李享, 张成建, 张兴宏. 有机催化二氧化碳、环氧化物和环状酸酐共聚制备高透明光学树脂. 高分子学报, 2026, 57(7), 1489-1501. DOI： 10.11777/j.issn1000-3304.2026.26058. CSTR： 32057.14.GFZXB.2026.7602.

Lu, Y. B.; Huang W.; Zou, Y. M.; Zhang, Y. X.; Liu, X.; Li, X.; Zhang, C. J.; Zhang, X. H. Organocatalytic copolymerization of CO₂, epoxides, and tricyclic anhydrides for high-transparency optical resins. Acta Polymerica Sinica (in Chinese), 2026, 57(7), 1489-1501. DOI: 10.11777/j.issn1000-3304.2026.26058. CSTR: 32057.14.GFZXB.2026.7602. DOI：

摘要

具有优异光学功能的高性能树脂在高端镜片、高清成像等光学领域有重要应用. 本研究以CO

、环氧化物和生物源的大位阻三元环状酸酐为单体，采用无金属催化的途径制备得到无规结构的聚(酯-碳酸酯)，其数均分子量高达148.6 kg/mol. 通过改变环氧化物/环酸酐的投料比，所得产物的玻璃化转变温度范围为114~

142 ℃，热分解温度范围219~284 ℃，为耐热性高的聚合物材料. 滴铸法所得该聚合物膜的透光率达91%，折光指数为1.50~1.52，阿贝数为46~57. 本研究结果为制备无金属残留的高性能有机光学材料提供了新途径.

Abstract

High-performance optical resins are increasingly vital for advanced applications such as high-definition lenses and optoelectronic devices

yet simultaneously achieving high refractive index and high Abbe number remains a significant challenge. This study presents a metal-free

one-pot terpolymerization strategy to synthesize random poly(ester-carbonate)s from CO

epoxides (cyclohexene oxide or vinyl cyclohexene oxide)

and bio-based tricyclic anhydrides using a triethylborane (TEB)/bis(triphenylphosphine) iminium chloride (PPNCl) Lewis pair catalyst system. The resulting copolymers exhibit a high number-average molecular weight (

) of up to 148.6 kg/mol. By adjusting the epoxide/anhydride feed ratio

the glass transition temperature (

) can be tuned from 114 ℃ to 142 ℃

with thermal decomposition temperatures exceeding 219 ℃. Notably

the incorporation of the rigid

saturated tricyclic skeleton enables the resins to achieve a high refractive index (

=1.50-1.52) while maintaining a high Abbe number (

=46-5

overcoming the trade-off typically found in organic optical materials. The films prepared

via

drop-casting demonstrate excellent transparency (

91%). This work provides a green

efficient pathway for developing high-performance

metal-free optical materials with superior thermal and optical properties.

关键词

Keywords

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Organocatalytic Copolymerization of CO2, Epoxides, and Tricyclic Anhydrides for High-transparency Optical Resins

DOI：10.11777/j.issn1000-3304.2026.26058

摘要

Abstract

关键词

Keywords

references

Organocatalytic Copolymerization of CO₂, Epoxides, and Tricyclic Anhydrides for High-transparency Optical Resins