http://www.cnr.it/ontology/cnr/individuo/prodotto/ID196341
Shape memory behaviour of functionalised Poly(?-caprolactone) crosslinked by hexamethylene-diisocyanate (Articolo in rivista)
- Type
- Label
- Shape memory behaviour of functionalised Poly(?-caprolactone) crosslinked by hexamethylene-diisocyanate (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
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- Gomez d'Ayala G; Laurienzo P; Malinconico M; Nobile MR; Pantalena D; Russo R (literal)
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- Institute of Polymer Chemistry and Technology, CNR- Via Campi Flegrei 34-80078 Pozzuoli
(Naples), Italy
Department of Industrial Engineering, University of Salerno, Via Ponte Don Melillo 84084
Fisciano (Salerno), Italy (literal)
- Titolo
- Shape memory behaviour of functionalised Poly(?-caprolactone) crosslinked by hexamethylene-diisocyanate (literal)
- Abstract
- In this study, the shape memory behaviour of poly(e-caprolactone) (PCL) with different
crosslinking degrees was investigated. PCL was first functionalised with maleic anhydride (MA)
and glycidyl methacrylate (GMA), and successively chemically crosslinked by hexamethylene
diisocianate (HMDI). The crosslinking reaction was followed with a rotational stress rheometer,
while the shape memory behaviour was analyzed with cyclic thermomechanical experiments and
optical microscopy. The results show that the new materials exhibit good shape memory behaviour
and good stability of the shape recovery under consecutive cycles in the range 55 - 70°C, can reach
high level of stretching, and are furthermore characterised by high recovery speed. These results are
promising for potential practical applications, as biomaterials for embolic devices in minimally
invasive surgery. (literal)
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