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Poly(acrylic acid) (PAA) has recently attracted great interest in various fields, including in biomedical applications. This work compares the aqueous behaviors of two kinds of PAA in different environments. We compared free PAA (PAAfree) in an aqueous solution with PAA confined to a polystyrene nanoparticle surface (PAAconf.). The dissociation behaviors of PAA in both environments were systematically...
The rheology of modified poly(acrylic acid) (PAA) solutions can be tuned by controlling the inclusion interactions between α-cyclodextrins and alkyl hydrophobes. We demonstrate three modes of control: (1) using free cyclodextrins (CD) to displace hydrophobe–hydrophobe association in hydrophobically modified poly(acrylic acid) (HMPAA) polymers—which reduces fluid viscosity, (2) using competitive inclusion...
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