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Effects of polyethyleneimine adsorption on rheology of bentonite suspensions

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Abstract

The influence of the cationic polymer, polyethyleneimine polymer (PEI) on the flow behaviour of bentonite suspensions (2%, w/w), was studied. XRD, zeta potential and adsorption studies were done together with rheological measurements. The addition of PEI at concentration ranges of 10-5-4.5 g/l and their rheological properties and stability of bentonite suspensions were studied. The adsorption rates for the bentonite suspensions are very fast. The XRD results showed that the PEG molecules did not intercalate into the layers of the clay.

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Authors and Affiliations

  1. Department of Physics, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey

    A. Alemdar, N. Öztekin, F. B. Erim, Ö. I. Ece & N. Güngör

  2. Department of Chemistry, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey

    N. Öztekin & F. B. Erim

  3. Department of Geology, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey

    Ö. I. Ece

Authors
  1. A. Alemdar
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  2. N. Öztekin
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  3. F. B. Erim
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  4. Ö. I. Ece
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  5. N. Güngör
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Correspondence to N. Güngör.

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Alemdar, A., Öztekin, N., Erim, F.B. et al. Effects of polyethyleneimine adsorption on rheology of bentonite suspensions. Bull Mater Sci 28, 287–291 (2005). https://doi.org/10.1007/BF02711262

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  • DOI: https://doi.org/10.1007/BF02711262

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