Structure and properties of poly(ε-caprolactone) networks with modulated water uptake

Jorge L.Escobar Ivirico, Manuel Salmerón Sánchez, Roser Sabater i Serra, José María Meseguer Dueñas, José Luis Gómez Ribelles, Manuel Monleón Pradas

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12 Citations (Scopus)


A PCL macromonomer was obtained by the reaction of PCL diol with methacrylic anhydride. The effective incorporation of the polymerizable end groups was assessed by FT-IR and 1H NMR spectroscopy. PCL networks were then prepared by photopolymerization of the PCL macromonomer. Furthermore, the macromonomer was copolymerized with HEA, with the aim of tailoring the hydrophilicity of the system. A set of hydrophilic semicrystalline copolymer networks were obtained. The phase microstructure of the new system and the network architecture was investigated by DSC, IR, DMS, TG, dielectric spectroscopy and water sorption studies. The presence of the hydrophilic units in the system prevented PCL crystallization on cooling; yet there was no effect on the glass transition process. The copolymer networks showed micro-phase separation and the α relaxation of the HEA units moved to lower temperatures as the amount of PCL in the system increased.

Original languageEnglish
Pages (from-to)2195-2205
Number of pages11
JournalMacromolecular Chemistry and Physics
Issue number23
Publication statusPublished - Dec 1 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry


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