Ring-Opening Polymerization of Lactide with Zn(HMDS)<sub>2</sub> Catalyst

Xue-mei Yang; Xuan-hua Guo; Xiao-zhi He; Guang-qiang Xu; Qing-gang Wang

doi:10.11777/j.issn1000-3304.2024.24246

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Ring-Opening Polymerization of Lactide with Zn(HMDS)₂ Catalyst

Research Article | 更新时间：2025-02-27

- Ring-Opening Polymerization of Lactide with Zn(HMDS)₂ Catalyst
- Acta Polymerica Sinica Vol. 56, Issue 3, Pages: 442-448(2025)
- 作者机构：
  
  1.中国科学院青岛生物能源与过程研究所太阳能光电转化与利用重点实验室青岛 266101
  2.山东能源研究院青岛 266101
  3.东北大学理学院化学系沈阳 110819
  4.中国科学院大学材料科学与光电子工程中心北京 100049
- 作者简介：
  
  Xuan-hua Guo, E-mail: guoxh@qibebt.ac.cn
  Xiao-zhi He, E-mail: hexiaozhi@mail.neu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2024.24246
  CLC：
- CSTR：32057.14.GFZXB.2024.7321
- Received：29 September 2024，
  
  Accepted：2024-11-11，
  
  Published Online：23 January 2025，
  
  Published：20 March 2025
- 稿件说明：
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杨雪梅, 郭泫华, 何晓智, 徐广强, 王庆刚. Zn(HMDS)₂催化剂对丙交酯的开环聚合研究. 高分子学报, 2025, 56(3), 442-448

Yang, X. M.; Guo, X. H.; He, X. Z.; Xu, G, Q.; Wang, Q. G. Ring-opening polymerization of lactide with Zn(HMDS)₂ catalyst. Acta Polymerica Sinica, 2025, 56(3), 442-448
杨雪梅, 郭泫华, 何晓智, 徐广强, 王庆刚. Zn(HMDS)₂催化剂对丙交酯的开环聚合研究. 高分子学报, 2025, 56(3), 442-448 DOI： 10.11777/j.issn1000-3304.2024.24246. CSTR： 32057.14.GFZXB.2024.7321.

Yang, X. M.; Guo, X. H.; He, X. Z.; Xu, G, Q.; Wang, Q. G. Ring-opening polymerization of lactide with Zn(HMDS)₂ catalyst. Acta Polymerica Sinica, 2025, 56(3), 442-448 DOI： 10.11777/j.issn1000-3304.2024.24246. CSTR： 32057.14.GFZXB.2024.7321.

摘要

双(双三甲基硅基)胺锌(Zn(HMDS)

)作为一种新型、结构简单、无需配体、低毒性的催化剂用于丙交酯的开环聚合，对拓宽其在生物领域的应用具有重要的科学意义. 本研究深入探索了Zn(HMDS)

催化丙交酯

-LA和

-LA开环聚合过程，探讨了聚合活性、可控性以及聚合物的结晶性能和热性能. 结果表明，使用Zn(HMDS)

/苯甲醇(BnOH)催化体系可以实现丙交酯单体的高效可控开环聚合反应，并且所得聚合物保持高的立构规整度，

均大于0.99. 用示差扫描量热法(DSC)分析了所得聚合物的热性能，发现随着聚乳酸聚合度的增长，冷结晶温度(

)、玻璃化转变温度(

)、熔融温度(

)都呈现一定的变化规律.

Abstract

As a new catalyst with simple structure

no ligands and low toxicity

bis(trimethylsilyl) amine zinc [Zn(HMDS)

]

has been used for ring-opening polymerization of lactide

which is of great scientific significance to expand its application in the biological field. In this work

the ring-opening polymerization of lac

tide

-LA and

-LA catalyzed by Zn(HMDS)

was investigated

and the polymerization activity

controllability

crystallization

and the thermal properties of the polymer were discussed. The results showed that the Zn(HMDS)

/BnOH catalytic system could achieve highly efficient and controllable ROP of lactide monomer

and the obtained polymers maintain high stereo-regularity with

greater than 0.99. The thermal properties of the polymer were analyzed by differential scanning calorimetry (DSC). It was found that the cold crystallization temperature (

)

glass transition temperature (

) and melting temperature (

) changed regularly with the increase of polymerization degree.

关键词

Keywords

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Related Institution

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Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences

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⁰

Ring-Opening Polymerization of Lactide with Zn(HMDS)2 Catalyst

DOI：10.11777/j.issn1000-3304.2024.24246

摘要

Abstract

关键词

Keywords

references

Ring-Opening Polymerization of Lactide with Zn(HMDS)₂ Catalyst