Abstract
We have studied the behaviour of aqueous mixtures of a hydrophobically modified poly(sodium acrylate) derivative (PA-Na3C18, containing 3 mol% octadecyl groups) with a cationic copolymer of N-isopropylacrylamide (PNIPAM10, containing 10 mol% cationic groups). Rheology and pyrene fluorescence probing were used to this end. The PA-Na3C18/PNIPAM10 mixtures were compared to mixtures of PANa3C18 with PNIPAM. The combination of both electrostatic attractions and hydrophobic interactions makes the PANa3C18/PNIPAM10 mixtures more effective thickeners than the PANa3C18/PNIPAM ones. In the latter case, only hydrophobic interactions are effective.
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Bokias, G., Iliopoulos, I., Hourdet, D., Staikos, G. (2001). Association of hydrophobically modified poly(sodium acrylate) with cationic copolymers based on N-isopropylacrylamide. In: Koutsoukos, P.G. (eds) Trends in Colloid and Interface Science XV. Progress in Colloid and Polymer Science, vol 118. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45725-9_11
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DOI: https://doi.org/10.1007/3-540-45725-9_11
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