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Cited by 57Advanced Polymer Synthesis and Characterizationbiodegradable polymer synthesis and propertiesCarbon dioxide utilization in catalysis

Polymerization of 5-alkyl δ-lactones catalyzed by diphenyl phosphate and their sequential organocatalytic polymerization with monosubstituted epoxides

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Zhao, Junpeng, Hadjichristidis, Nikos·2015·Polymer Chemistry
DOI 10.1039/c5py00019j
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Abstract

One-pot sequential organocatalytic polymerization reactions of 5-alkyl δ-lactones and monosubstituted epoxides were carried out using the base→acid “catalyst switch” strategy, leading to well-defined polyether–polyester block copolymers with various alkyl substituents.

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Crossref · 10.1039/c5py00019j

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  • The DPP-catalyzed polymerization is first-order in monomer when conducted in dilute conditions, but pseudo-zero-order when conducted in bulk.

    “Though the DPP-catalyzed polymerization is fi rst-order in monomer when conducted in dilute conditions, it is pseudo-zero-order when conducted the bulk.”

    From Aliphatic Polyester Block Polymer Design (2016) · cites this paper as [42]

    The Results and discussion report kinetic plots for DPP-catalyzed lactone polymerization at specified solution concentrations, but do not identify first-order kinetics under dilute conditions. The paper describes bulk polymerization of epoxides promoted by t-BuP4, not pseudo-zero-order bulk DPP-catalyzed polymerization. Searches for both reaction-order terms and bulk kinetics found no passage establishing the claimed contrast. (LLM, conf=0.78)

    Experimental — accuracy not yet measured

  • The effect of alkyl substituent size and location on bulk polymerization rate has not been systematically studied.

    “The e ff ect of alkyl substituent size and location on bulk polymerization rate has not been systematically studied.”

    From Aliphatic Polyester Block Polymer Design (2016) · cites this paper as [42]

    The Results and discussion compare polymerization rates for three 5-alkyl δ-lactones, all substituted at the same position, but do not state that substituent size and location have lacked systematic study. Table 1 lists bulk polymerization for epoxides, not a comparison of bulk polymerization rates across alkyl-substituted lactones. Searches for the claimed research gap and for bulk polymerization found no passage establishing it. (LLM, conf=0.73)

    Experimental — accuracy not yet measured

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Cited by

Sorted by citations

Authors
Zhao, J., & Hadjichristidis, N.
Affiliations
  • South China University of Technology (CN)
  • King Abdullah University of Science and Technology (SA)
Corresponding author
Hadjichristidis, Nikos
ORCID
Venue
Polymer Chemistry
Publisher
Royal Society of Chemistry (RSC)
Published
2015
Volume
6
Issue
14
Pages
2659-2668
ISSN
  • 1759-9954 (ISSN-L)
  • 1759-9962
DOI
10.1039/c5py00019j
OpenAlex
W2069784586
Cited by
57
References
5
Citations by year
2026: 1 · 2025: 5 · 2024: 4 · 2023: 8 · 2022: 3 · 2021: 4 · 2020: 4 · 2019: 3 · 2018: 7 · 2017: 6 · 2016: 9 · 2015: 3
FWCI
3.81
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Polymer Chemistry (publishedVersion, cc-by-nc)
  • King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology) (submittedVersion)
Topics
  • Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
  • Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
  • Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
Keywords
diphenyl phosphate, ring-opening polymerization

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