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Viscometric behaviour of hydrophobically modified poly(sodium acrylate)

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Summary

Hydrophobically associating poly(acrylic acid) was obtained by reaction of a small amount of octadecylamine on the carboxyl groups of the polymer. In pure water, this modified polymer exhibits a very high thickening power. By increasing the ionic strength of the aqueous solution a strong viscosity increase can be obtained instead of the decrease classically observed with polyelectrolytes. For instance, in 1% NaCl the modified poly(sodium acrylate) is of several orders of magnitude more viscous than the precursor polymer.

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Authors and Affiliations

  1. Laboratoire de Physico-Chimie Macromoléculaire, Université Pierre et Marie Curie, U.A. CNRS n∘278, E.S.P.C.I., 10, rue Vauquelin, F-75231, Paris Cedex 05, France

    K. T. Wang, I. Iliopoulos & R. Audebert

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  1. K. T. Wang
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  2. I. Iliopoulos
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  3. R. Audebert
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Wang, K.T., Iliopoulos, I. & Audebert, R. Viscometric behaviour of hydrophobically modified poly(sodium acrylate). Polymer Bulletin 20, 577–582 (1988). https://doi.org/10.1007/BF00263675

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  • DOI: https://doi.org/10.1007/BF00263675

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