The European Physical Journal Special Topics

, Volume 222, Issue 9, pp 2179–2186 | Cite as

Molecular dynamics studies of polyurethane nanocomposite hydrogels

  • J. Strankowska
  • Ł. Piszczyk
  • M. Strankowski
  • M. Danowska
  • K. Szutkowski
  • S. Jurga
  • J. Kwela
Regular Article

Abstract

Polyurethane PEO-based hydrogels have a broad range of biomedical applicability. They are attractive for drug-controlled delivery systems, surgical implants and wound healing dressings. In this study, a PEO based polyurethane hydrogels containing Cloisite® 30B, an organically modified clay mineral, was synthesized. Structure of nanocomposite hydrogels was determined using XRD technique. Its molecular dynamics was studied by means of NMR spectroscopy, DMA and DSC analysis. The mechanical properties and thermal stability of the systems were improved by incorporation of clay and controlled by varying the clay content in polymeric matrix. Molecular dynamics of polymer chains depends on interaction of Cloisite® 30B nanoparticles with soft segments of polyurethanes. The characteristic nanosize effect is observed.

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Copyright information

© EDP Sciences and Springer 2013

Authors and Affiliations

  • J. Strankowska
    • 1
  • Ł. Piszczyk
    • 2
  • M. Strankowski
    • 2
  • M. Danowska
    • 3
  • K. Szutkowski
    • 4
  • S. Jurga
    • 4
  • J. Kwela
    • 1
  1. 1.Division of Applied Physics, Institute of Experimental PhysicsUniversity of GdańskGdańskPoland
  2. 2.Department of Polymer Technology, Chemical FacultyGdańsk University of TechnologyGdańskPoland
  3. 3.Department of Solid State Physics, Faculty of Applied Physics and MathematicsGdańsk University of TechnologyGdańskPoland
  4. 4.Department of Macromolecular Physics, Faculty of PhysicsAdam Mickiewicz UniversityPoznańPoland

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