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Conformation of Adsorbed Layers of polyNIPAM on Silica in a Binary Solvent

Notley, Shannon


The conformation of poly(N-isopropylacrylamide) chains adsorbed at a silica interface was studied as a function of concentration in the methanol-water binary solvent mixture. Both water and methanol are good solvents for PNIPAM; however, in certain mixtures cononsolvency is induced by a lowering of the LCST. This led to a decrease in the extent of the PNIPAM layer away from the interface as measured using the colloidal probe technique in the poor solvent region. At low methanol concentrations...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Journal of Physical Chemistry B
DOI: 10.1021/jp805842b


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