Well-controlled Organocatalytic Ring-opening Polymerization of Seven-membered Cyclic Carbonates with Cyclohexyl Fusion

被引：1

作者：

Zhang, Wei ^{[1
]}

Shan, Si-Yi ^{[2
]}

Dai, Jiang ^{[2
]}

Cai, Zhongzheng ^{[2
]}

Zhu, Jian-Bo ^{[2
]}

机构：

[1] Tianjin Univ Sci & Technol, Coll Chem Engn & Mat Sci, Tianjin Key Lab Brine Chem Engn & Resource Ecoutil, Tianjin 300457, Peoples R China

[2] Sichuan Univ, Coll Chem, Natl Engn Lab Ecofriendly Polymer Mat Sichuan, Chengdu 610064, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2024年 / 40卷 / 05期

基金：

中国国家自然科学基金;

关键词：

CO2; Organic catalyst; Living ring-opening polymerization; Aliphatic polycarbonate; KINETIC RESOLUTION POLYMERIZATION; RAC-LACTIDE;

D O I：

10.1007/s40242-024-4094-5

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Developing green and well-controlled polymerization methods is of great significance for the preparation of biomedical polymer materials. In this contribution, an efficient organocatalytic ring-opening polymerization (ROP) of a class of seven-membered cyclic carbonates (T6DO, T6HDO, C6DO, C6HDO) containing cis- or trans-cyclohexane structure was established. Organic catalyst 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) promoted living polymerization of these cyclic carbonates to deliver polycarbonate and block copolymer products with predictable molecular weights and narrow dispersity. The robust TBD-mediated ROP at 90 degrees C showcased turnover frequency (TOF) up to 10(3) h(-1). The resulting amorphous polycarbonates displayed good thermal stability.

引用

页码：856 / 862

页数：7

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