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Molecular dynamics studies of polyurethane nanocomposite hydrogels

Abstrakt

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 R 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 CloisiteR 30B nanoparticles with soft segments of polyurethanes. The characteristic nanosize effect is observed.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
The European Physical Journal-Special Topics nr 222, wydanie 9, strony 2179 - 2186,
ISSN: 1951-6355
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Strankowska J., Piszczyk Ł., Strankowski M., Danowska M., Szutkowski K., Jurga S., Kwela J.: Molecular dynamics studies of polyurethane nanocomposite hydrogels// The European Physical Journal-Special Topics. -Vol. 222, iss. 9 (2013), s.2179-2186
Weryfikacja:
Politechnika Gdańska

wyświetlono 4 razy

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