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

o -Benzenedisulfonimide (OBS) was demonstrated for the first time to be a safe, recyclable, and water-tolerant Brønsted acidic catalyst for the ring-opening polymerization (ROP) of δ-valerolactone and ε-caprolactone using benzyl alcohol as the initiator. The polymerizations proceeded to afford poly(...

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Published in:Polymer chemistry 2014-04, Vol.5 (8), p.3098-3106
Main Authors: Jin, Yu, Ji, Yufeng, He, Xiaojiang, Kan, Suli, Xia, Haidong, Liang, Binqi, Chen, Jia, Wu, Hao, Guo, Kai, Li, Zhenjiang
Format: Article
Language:English
Subjects:
Cationic
Chains (polymeric)
Initiators
Molecular weight
Polydispersity
Polymer chemistry
Polymerization
Residues
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cited_by cdi_FETCH-LOGICAL-c305t-10b2ea1d7991c3f0dd6e928a5ab868d1db9bf0b63d673b428fe4d807247f8f2a3
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container_end_page 3106
container_issue 8
container_start_page 3098
container_title Polymer chemistry
container_volume 5
creator Jin, Yu
Ji, Yufeng
He, Xiaojiang
Kan, Suli
Xia, Haidong
Liang, Binqi
Chen, Jia
Wu, Hao
Guo, Kai
Li, Zhenjiang
description o -Benzenedisulfonimide (OBS) was demonstrated for the first time to be a safe, recyclable, and water-tolerant Brønsted acidic catalyst for the ring-opening polymerization (ROP) of δ-valerolactone and ε-caprolactone using benzyl alcohol as the initiator. The polymerizations proceeded to afford poly(δ-valerolactone) and poly(ε-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, 1 H NMR and MALDI-TOF MS measurements strongly indicated that the initiator residue was incorporated into the obtained polymers. Furthermore, well-defined poly(δ-valerolactone)- block -poly(ε-caprolactone) has been successfully synthesized via OBS-catalyzed ROP.
doi_str_mv 10.1039/C3PY01613G
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subjects Cationic
Chains (polymeric)
Initiators
Molecular weight
Polydispersity
Polymer chemistry
Polymerization
Residues
title o -Benzenedisulfonimide as a recyclable cationic organocatalyst for the controlled/living ring-opening polymerization of δ-valerolactone and ε-caprolactone
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