Structure and dynamics of TiO2/poly(N-vinylcaprolactam) composite hydrogels
Poly(N-vinylamides) are responsive polymers with a wide range of potential applications (e.g. sensors, medical materials, tissue engineering). The most studied representative of the family are the poly(N-isopropylacrylamide)-based (PNIPAM) hydrogels, but other systems, like e.g. poly(N-vinylpyrrolidone) (PVP) and poly(N-vinylcaprolactam) (PVCL) exist as well. Medical applications of PVP-based hydrogels are now wide spread due to their excellent blood compatibility, and have therefore been widely used in applications including drug delivery systems, wound dressing and tissue engineering. TiO2 containing PVCL hydrogel nanocomposites, which combine the temperature responsive properties of the hydrogel with the bactericidal and photocatalytic properties of the TiO2. Whereas a lot of information is available on PNIPAM based systems, very little is known on PVCL and PVC based TiO2-containing systems. Our aim is therefore to perform a detailed structural and dynamical study on these nanocomposites by combining SANS and neutron spin-echo spectroscopy.
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Olesya Timaeva; BERKE Barbara; Leonardo Chiappisi and CZAKKEL Orsolya. (2018). Structure and dynamics of TiO2/poly(N-vinylcaprolactam) composite hydrogels. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-12-510
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