Visible Light-Regulated Ring-Opening Polymerization of Lactones by Employing Indigo as a Photoacid Catalyst - Details

author：

Sun, P. (Sun, P..) ^[1] | Li, Z. (Li, Z..) ^[2] | Zhang, X. (Zhang, X..) ^[3] | Liao, Y. (Liao, Y..) ^[4] | Liao, S. (Liao, S..) ^[5]

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Abstract：

The　development　of　visible　light-regulated　polymerizations　for　precision　synthesis　of　polymers　has　drawn　considerable　attention　in　the　past　years.　In　this　study,　an　ancient　dye,　indigo,　is　successfully　identified　as　a　new　and　efficient　photoacid　catalyst,　which　can　readily　promote　the　ring-opening　polymerization　of　lactones　under　visible　light　irradiation　in　a　well-controlled　manner,　affording　the　desired　polyester　products　with　predictable　molecular　weights　and　narrow　dispersity.　The　enhanced　acidity　of　indigos　by　excitation　is　crucial　to　the　H-bonding　activation　of　the　lactone　monomers.　Chain　extension　and　block　copolymer　synthesis　are　also　demonstrated　with　this　method.　©　2024　Wiley-VCH　GmbH.

Keyword：

indigo photoacid photopolymerization ring-opening polymerization visible light

Community：

[ 1 ] [Sun P.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 2 ] [Li Z.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 3 ] [Zhang X.]Department State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry Chinese Academy of Sciences, Shanghai, Lingling Lu, 200032, China
[ 4 ] [Liao Y.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 5 ] [Liao S.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Liao S.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China

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Source ：

Macromolecular Rapid Communications

ISSN： 1022-1336

Year： 2024

Issue： 11

Volume： 45

4 . 2 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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