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Competing reactions in anionic gel-poly(propylene imine) dendrimer-surfactant ternary systems

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Abstract

Competitive interactions in ternary systems including a lightly crosslinked polyanionic hydrogel, a protonated Astramol™ poly(propylene imine) dendrimer (of first to fifth generation), and an ionic surfactant were studied. It was found that the direction of the substitution reactions in systems containing cationic surfactants depends on the length of the aliphatic radical in the surfactant molecule as well as on the dendrimer generation number. Depending on these parameters, the interpolyelectrolyte complex formed by the network polyanion and the cationic dendrimer is either capable or incapable of sorbing surfactant cations from aqueous solutions, thereby transforming into the network polyanion-cationic surfactant complex with the release of dendrimers to the surrounding solution. It was shown that the substitution reaction in systems containing anionic surfactants leads to the formation of a polyanionic gel reinforced by particles of the dendrimer-anionic surfactant complex.

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Authors and Affiliations

  1. Faculty of Chemistry, Moscow State University, Leninskie gory, Moscow, 119992, Russia

    V. B. Rogacheva, O. A. Novoskol’tseva & A. B. Zezin

  2. DSM Research, P.O. Box 18, 6160 MD, Geleen, Netherlands

    J. Joosten & J. Brackman

Authors
  1. V. B. Rogacheva
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  2. O. A. Novoskol’tseva
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  3. A. B. Zezin
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  4. J. Joosten
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  5. J. Brackman
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Corresponding author

Correspondence to V. B. Rogacheva.

Additional information

Original Russian Text © V.B. Rogacheva, O.A. Novoskol’tseva, A.B. Zezin, J. Joosten, J. Brackman, 2007, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2007, Vol. 49, No. 9, pp. 1649–1657.

This work was supported by the Russian Foundation for Basic Research, project no. 06-03-32318, and the State Program for Support of Leading Scientific Schools, grant no. NSh-5899.2006.3.

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Rogacheva, V.B., Novoskol’tseva, O.A., Zezin, A.B. et al. Competing reactions in anionic gel-poly(propylene imine) dendrimer-surfactant ternary systems. Polym. Sci. Ser. A 49, 1000–1007 (2007). https://doi.org/10.1134/S0965545X07090064

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  • DOI: https://doi.org/10.1134/S0965545X07090064

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