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Towards Truly Sustainable Polymers: A Metal-Free Recyclable Polyester from Biorenewable Non-Strained γ-Butyrolactone

Hong, Miao ; Chen, Eugene Y.-X.

Angewandte Chemie, 2016-03, Vol.128 (13), p.4260-4265 [Revista revisada por pares]

Weinheim: Blackwell Publishing Ltd

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  • Título:
    Towards Truly Sustainable Polymers: A Metal-Free Recyclable Polyester from Biorenewable Non-Strained γ-Butyrolactone
  • Autor: Hong, Miao ; Chen, Eugene Y.-X.
  • Materias: Alcohols ; Butyrolactone ; Conversion ; Manganese ; Metals ; Molecular chains ; Molecular weight ; Monomers ; Nachhaltige Polymere ; Organokatalytische Polymerisation ; Polyester ; Polyester resins ; Polyesters ; Polymerization ; Polymers ; Recovering ; Recyclability ; Recyclebarkeit ; Superbasen ; Sustainability
  • Es parte de: Angewandte Chemie, 2016-03, Vol.128 (13), p.4260-4265
  • Notas: istex:9F82FF00A79F50E372734C67A44DFD91DF3CA313
    ark:/67375/WNG-RGWKB67B-R
    United States National Science Foundation - No. CHE-1300267
    ArticleID:ANGE201601092
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descripción: The first effective organopolymerization of the biorenewable “non‐polymerizable” γ‐butyrolactone (γ‐BL) to a high‐molecular‐weight metal‐free recyclable polyester is reported. The superbase tert‐Bu‐P4 is found to directly initiate this polymerization through deprotonation of γ‐BL to generate reactive enolate species. When combined with a suitable alcohol, the tert‐Bu‐P4‐based system rapidly converts γ‐BL into polyesters with high monomer conversions (up to 90 %), high molecular weights (Mn up to 26.7 kg mol−1), and complete recyclability (quantitative γ‐BL recovery). Recyclebar und erneuerbar: Die schnelle organokatalytische Polymerisation des erneuerbaren, nicht‐gespannten γ‐Butyrolactons führte zu einem hochmolekularen, metallfreien Polyester, der vollständig recyclebar war. Lange Zeit war angenommen worden, dass das Monomer wegen seiner stabilen Fünfringstruktur nicht polymerisiert werden könnte.
  • Editor: Weinheim: Blackwell Publishing Ltd
  • Idioma: Inglés;Alemán
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