Cited by 19Polymer crystallization and propertiesBlock Copolymer Self-Assemblybiodegradable polymer synthesis and properties

Synthesis and Characterization of Triblock Terpolymers with three Potentially Crystallisable Blocks: Polyethylene‐b‐poly(ethylene oxide)‐b‐poly(ε‐caprolactone)

Vivas, M., Contreras, J., López‐Carrasquero, F., Lorenzo, A.T., Arnal, M.L., Balsamo, V., Müller, A.J., Laredo, E. +2 more·2006·Macromolecular Symposia

Abstract

A first attempt was made to produce novel ABC triblock terpolymers with three potentially crystallisable blocks: polyethylene (PE), poly(ethylene oxide) (PEO), and poly(ε‐caprolactone) (PCL). Polybutadiene‐b‐poly(ethylene oxide) diblock copolymers were synthesized by living anionic polymerization. Then, a non‐catalyzed thermal polymerization of ε‐caprolactone from the hydroxyl end group of the PB‐b‐PEO diblock precursors was performed. Finally, hydrogenation by Wilkinson catalyst produced PE‐b‐PEO‐b‐PCL triblock terpolymers. Side reactions were detected that lead to the formation of undesired PCL‐b‐PEO diblock copolymers, however, these impurities were successfully removed by purification. A range of triblock terpolymers with PCL and PEO minor components were prepared. Topological restrictions on the PEO middle block prevented this block from crystallizing while the complex crystallization behavior of the PE and PCL blocks was documented by DSC and WAXS measurements.

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Crossref · 10.1002/masy.200690110

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Authors
Vivas, M., Contreras, J., López‐Carrasquero, F., Lorenzo, A. T., Arnal, M. L., Balsamo, V., Müller, A. J., Laredo, E., Schmalz, H., & Abetz, V.
Affiliations
  • Universidad de Los Andes (VE)
  • Universidad Simón Bolívar (VE)
  • University of Bayreuth (DE)
Corresponding author
  • Contreras, J.
  • Balsamo, V.
Venue
Macromolecular Symposia
Publisher
Wiley
Published
2006-06
Volume
239
Issue
1
Pages
58-67
ISSN
  • 1022-1360 (ISSN-L)
  • 1521-3900
OpenAlex
W2028149209
Cited by
19
References
25
Citations by year
2023: 2 · 2021: 2 · 2020: 1 · 2019: 2 · 2017: 1 · 2016: 1 · 2015: 1 · 2014: 1 · 2012: 1
FWCI
2.07
Type
journal article
Language
en
Open access
closed
Locations
Macromolecular Symposia (publishedVersion)
Funders
Fondo Nacional de Ciencia Tecnología e Innovación
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
  • Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
Keywords
ABC triblock terpolymers, poly(ethylene oxide), polycaprolactone, polyethylene, living anionic polymerization, ε-caprolactone, hydrogenation, Wilkinson's catalyst, crystallization behavior, block copolymer synthesis, side reactions

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