Novel polypseudorotaxanes (PPR) based on poly(N-isopropylacrylamide) (PNIPAAm) and acrylamide-gamma-cyclodextrin (AgCD) are successfully synthesized. AgCD gives rise to sliding crosslinking systems and influences the thermoresponsive and swelling behavior of PNIPAAm hydrogels. Namely, their lower critical solution temperature (LCST) can be tuned up to 38◦C, thus making the resulting materials of great interest in biomedical applications. Also, AgCD influences the thermal and mechanical properties of hydrogels, by affecting the Tg and E modulus values.
Sliding Crosslinked Thermoresponsive Materials: Polypseudorotaxanes Made of Poly(N-Isopropylacrylamide) and Acrylamide-gamma-Cyclodextrin / Malucelli, Giulio; Dore, Jvan; Sanna, Davide; Nuvoli, Daniele; Rassu, Mariella; Mariani, Alberto; Alzari, Valeria. - In: FRONTIERS IN CHEMISTRY. - ISSN 2296-2646. - ELETTRONICO. - 6:585(2018), pp. 1-8. [10.3389/fchem.2018.00585]
Sliding Crosslinked Thermoresponsive Materials: Polypseudorotaxanes Made of Poly(N-Isopropylacrylamide) and Acrylamide-gamma-Cyclodextrin
Giulio Malucelli;
2018
Abstract
Novel polypseudorotaxanes (PPR) based on poly(N-isopropylacrylamide) (PNIPAAm) and acrylamide-gamma-cyclodextrin (AgCD) are successfully synthesized. AgCD gives rise to sliding crosslinking systems and influences the thermoresponsive and swelling behavior of PNIPAAm hydrogels. Namely, their lower critical solution temperature (LCST) can be tuned up to 38◦C, thus making the resulting materials of great interest in biomedical applications. Also, AgCD influences the thermal and mechanical properties of hydrogels, by affecting the Tg and E modulus values.File | Dimensione | Formato | |
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