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Cationic ring‐opening polymerization of trimethylene carbonate to α,ω‐dihydroxy telechelic and star‐shaped polycarbonates catalyzed by reusable o‐benzenedisulfonimide

Cationic ring‐opening polymerization of trimethylene carbonate using ‐benzenedisulfonimide as a reusable catalyst under mild conditions was described. The polymerization proceeded homogeneously without decarboxylation and poly(trimethylene carbonates) (PTMCs) were synthesized with well‐controlled mo... Full description

Journal Title: Journal of Polymer Science Part A: Polymer Chemistry 15 March 2015, Vol.53(6), pp.729-736
Main Author: Wu, Hao
Other Authors: Ji, Yufeng , Li, Zhenjiang , Wang, Xin , Zhang, Qiguo , Cui, Saide , Wu, Wenzhuo , Liu, Jingjing , Guo, Kai
Format: Electronic Article Electronic Article
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ID: ISSN: 0887-624X ; E-ISSN: 1099-0518 ; DOI: 10.1002/pola.27496
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recordid: wj10.1002/pola.27496
title: Cationic ring‐opening polymerization of trimethylene carbonate to α,ω‐dihydroxy telechelic and star‐shaped polycarbonates catalyzed by reusable o‐benzenedisulfonimide
format: Article
creator:
  • Wu, Hao
  • Ji, Yufeng
  • Li, Zhenjiang
  • Wang, Xin
  • Zhang, Qiguo
  • Cui, Saide
  • Wu, Wenzhuo
  • Liu, Jingjing
  • Guo, Kai
subjects:
  • Brønsted Acid
  • Cationic Polymerization
  • Living Polymerization
  • Polycarbonates
  • Ring‐Opening Polymerization
ispartof: Journal of Polymer Science Part A: Polymer Chemistry, 15 March 2015, Vol.53(6), pp.729-736
description: Cationic ring‐opening polymerization of trimethylene carbonate using ‐benzenedisulfonimide as a reusable catalyst under mild conditions was described. The polymerization proceeded homogeneously without decarboxylation and poly(trimethylene carbonates) (PTMCs) were synthesized with well‐controlled molecular weights and narrow polydispersities (/ = 1.12–1.18). The spectra of H‐NMR, SEC, and MALDI–ToF MS clearly demonstrated the incorporation of the initiator residue into the polymer chains and the controlled/living nature of the polymerizations. Furthermore, the catalyst can be easily recovered, and its efficiency was fully retained. In addition, 1,3‐propanediol, 1,1,1‐trimethylolpropane, and pentaerythritol were successfully used as initiators to produce telechelic and star‐shaped polycarbonates which were determined by intrinsic viscosity experiments. The number of arms estimated by the shrinking factors ( ) were 2.0, 2.6, and 3.5, respectively, indicating the successful syntheses of the two‐, three‐, and four‐armed PTMCs. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. , , 729–736 The ‐benzenedisulfonimide (OBS) has been evaluated as an excellent Brønsted acidic catalyst for the controlled/living ring‐opening polymerizations (ROPs) of trimethylene carbonate (TMC) through an activated monomer mechanism. A series of ‐hydroxy telechelic, and star‐shaped polycarbonates are synthesized to highlight the advantage of the OBS‐catalyzed ROP of TMC.
language:
source:
identifier: ISSN: 0887-624X ; E-ISSN: 1099-0518 ; DOI: 10.1002/pola.27496
fulltext: fulltext
issn:
  • 0887-624X
  • 0887624X
  • 1099-0518
  • 10990518
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titleCationic ring‐opening polymerization of trimethylene carbonate to α,ω‐dihydroxy telechelic and star‐shaped polycarbonates catalyzed by reusable o‐benzenedisulfonimide
creatorWu, Hao ; Ji, Yufeng ; Li, Zhenjiang ; Wang, Xin ; Zhang, Qiguo ; Cui, Saide ; Wu, Wenzhuo ; Liu, Jingjing ; Guo, Kai
ispartofJournal of Polymer Science Part A: Polymer Chemistry, 15 March 2015, Vol.53(6), pp.729-736
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subjectBrønsted Acid ; Cationic Polymerization ; Living Polymerization ; Polycarbonates ; Ring‐Opening Polymerization
descriptionCationic ring‐opening polymerization of trimethylene carbonate using ‐benzenedisulfonimide as a reusable catalyst under mild conditions was described. The polymerization proceeded homogeneously without decarboxylation and poly(trimethylene carbonates) (PTMCs) were synthesized with well‐controlled molecular weights and narrow polydispersities (/ = 1.12–1.18). The spectra of H‐NMR, SEC, and MALDI–ToF MS clearly demonstrated the incorporation of the initiator residue into the polymer chains and the controlled/living nature of the polymerizations. Furthermore, the catalyst can be easily recovered, and its efficiency was fully retained. In addition, 1,3‐propanediol, 1,1,1‐trimethylolpropane, and pentaerythritol were successfully used as initiators to produce telechelic and star‐shaped polycarbonates which were determined by intrinsic viscosity experiments. The number of arms estimated by the shrinking factors ( ) were 2.0, 2.6, and 3.5, respectively, indicating the successful syntheses of the two‐, three‐, and four‐armed PTMCs. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. , , 729–736 The ‐benzenedisulfonimide (OBS) has been evaluated as an excellent Brønsted acidic catalyst for the controlled/living ring‐opening polymerizations (ROPs) of trimethylene carbonate (TMC) through an activated monomer mechanism. A series of ‐hydroxy telechelic, and star‐shaped polycarbonates are synthesized to highlight the advantage of the OBS‐catalyzed ROP of TMC.
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titleCationic ring‐opening polymerization of trimethylene carbonate to α,ω‐dihydroxy telechelic and star‐shaped polycarbonates catalyzed by reusable o‐benzenedisulfonimide
descriptionCationic ring‐opening polymerization of trimethylene carbonate using ‐benzenedisulfonimide as a reusable catalyst under mild conditions was described. The polymerization proceeded homogeneously without decarboxylation and poly(trimethylene carbonates) (PTMCs) were synthesized with well‐controlled molecular weights and narrow polydispersities (/ = 1.12–1.18). The spectra of H‐NMR, SEC, and MALDI–ToF MS clearly demonstrated the incorporation of the initiator residue into the polymer chains and the controlled/living nature of the polymerizations. Furthermore, the catalyst can be easily recovered, and its efficiency was fully retained. In addition, 1,3‐propanediol, 1,1,1‐trimethylolpropane, and pentaerythritol were successfully used as initiators to produce telechelic and star‐shaped polycarbonates which were determined by intrinsic viscosity experiments. The number of arms estimated by the shrinking factors ( ) were 2.0, 2.6, and 3.5, respectively, indicating the successful syntheses of the two‐, three‐, and four‐armed PTMCs. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. , , 729–736 The ‐benzenedisulfonimide (OBS) has been evaluated as an excellent Brønsted acidic catalyst for the controlled/living ring‐opening polymerizations (ROPs) of trimethylene carbonate (TMC) through an activated monomer mechanism. A series of ‐hydroxy telechelic, and star‐shaped polycarbonates are synthesized to highlight the advantage of the OBS‐catalyzed ROP of TMC.
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titleCationic ring‐opening polymerization of trimethylene carbonate to α,ω‐dihydroxy telechelic and star‐shaped polycarbonates catalyzed by reusable o‐benzenedisulfonimide
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abstractCationic ring‐opening polymerization of trimethylene carbonate using ‐benzenedisulfonimide as a reusable catalyst under mild conditions was described. The polymerization proceeded homogeneously without decarboxylation and poly(trimethylene carbonates) (PTMCs) were synthesized with well‐controlled molecular weights and narrow polydispersities (/ = 1.12–1.18). The spectra of H‐NMR, SEC, and MALDI–ToF MS clearly demonstrated the incorporation of the initiator residue into the polymer chains and the controlled/living nature of the polymerizations. Furthermore, the catalyst can be easily recovered, and its efficiency was fully retained. In addition, 1,3‐propanediol, 1,1,1‐trimethylolpropane, and pentaerythritol were successfully used as initiators to produce telechelic and star‐shaped polycarbonates which were determined by intrinsic viscosity experiments. The number of arms estimated by the shrinking factors ( ) were 2.0, 2.6, and 3.5, respectively, indicating the successful syntheses of the two‐, three‐, and four‐armed PTMCs. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. , , 729–736 The ‐benzenedisulfonimide (OBS) has been evaluated as an excellent Brønsted acidic catalyst for the controlled/living ring‐opening polymerizations (ROPs) of trimethylene carbonate (TMC) through an activated monomer mechanism. A series of ‐hydroxy telechelic, and star‐shaped polycarbonates are synthesized to highlight the advantage of the OBS‐catalyzed ROP of TMC.
doi10.1002/pola.27496
pages729-736
date2015-03-15