Vapour phase polymerisation of polyaniline into spiropyran photoresponsive poly(N-Isopropylacrylamide) hydrogels

Dennany, Lynn and Scarmagnani, Silvia and Lahiff, Emer and Byrne, Robert and Little, Shannon and Wallace, Gordon G and Diamond, Dermot (2010) Vapour phase polymerisation of polyaniline into spiropyran photoresponsive poly(N-Isopropylacrylamide) hydrogels. In: 61st Pittcon 2010, 2010-02-28 - 2010-03-05.

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Abstract

Vapor phase polymerisation of polyaniline within spiropyran poly(N-isopropylacrylamide) (pNIPAAm) photoresponsive hydrogel has been succesfully performed using ammonium persulfate as initiator. The new hybrid material retains the conductive properties of polyaniline and the photoresponsive activity of the pNIPAAm hydrogel, in which the spiropyran unit incorporated in the polymer backbone can be switched by light irradiation between a protonated and non-protonated merocyanine form inducing microrelief surface features in the hydrogel.