o-Benzenedisulfonimide as a recyclable cationic organocatalyst for the controlled/living ring-opening polymerization of δ-valerolactone and ε-caprolactone

被引：36

作者：

Jin, Yu ^{[1
]}

Ji, Yufeng ^{[1
]}

He, Xiaojiang ^{[1
]}

Kan, Suli ^{[1
]}

Xia, Haidong ^{[1
]}

Liang, Binqi ^{[1
]}

Chen, Jia ^{[1
]}

Wu, Hao ^{[1
]}

Guo, Kai ^{[1
]}

Li, Zhenjiang ^{[1
]}

机构：

[1] Nanjing Univ Technol, State Key Lab Mat Oriented Chem Engn, Coll Biotechnol & Pharmaceut Engn, Nanjing 211816, Jiangsu, Peoples R China

来源：

POLYMER CHEMISTRY | 2014年 / 5卷 / 08期

基金：

高等学校博士学科点专项科研基金; 国家高技术研究发展计划(863计划);

关键词：

N-HETEROCYCLIC CARBENES; ORGANIC CATALYSTS; ACTIVATED MONOMER; LIVING POLYMERIZATION; ACID CATALYST; EFFICIENT; BLOCK; CARBONATE; LACTONES;

D O I：

10.1039/c3py01613g

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

o-Benzenedisulfonimide(OBS) was demonstrated for the first time to be a safe, recyclable, and water-tolerant Bronsted acidic catalyst for the ring-opening polymerization (ROP) of delta-valerolactone and epsilon-caprolactone using benzyl alcohol as the initiator. The polymerizations proceeded to afford poly(delta-valerolactone) and poly(epsilon-caprolactone) with controlled molecular weights and narrow polydispersities. The kinetics and chain extension experiments were carried out to confirm the controlled/living fashion of the polymerizations. In addition, H-1 NMR and MALDI-TOF MS measurements strongly indicated that the initiator residue was incorporated into the obtained polymers. Furthermore, well-defined poly(delta-valerolactone)-block-poly(epsilon-caprolactone) has been successfully synthesized via OBS-catalyzed ROP.

引用

页码：3098 / 3106

页数：9

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