Interpolymer complexes of poly(acrylic acid) nanogels with some non-ionic polymers in aqueous solutions

Zauresh S. Nurkeeva, Vitaliy V. Khutoryanskiy, Grigoriy A. Mun, Asem B. Bitekenova, Slawomir Kadlubowski, Yulia A. Shilina, Piotr Ulanski, Janusz M. Rosiak

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Formation of interpolymer complexes (IPC) between the nanogels of poly(acrylic acid) (PAA) and linear polyvinylpyrrolidone (PVP), poly(vinyl methyl ether) (PVME) and poly(vinyl ether of ethyleneglycol) (PVEEG) in aqueous solutions has been studied by viscometric, turbidimetric and FTIR spectroscopic methods. It was found that in the course of complex formation the nanogels are characterised by lower amplitude of conformation changes in comparison with linear PAA. The critical pH values of complexation were determined. It was shown that the nanogels have lower complexation ability than linear PAA with respect to non-ionic polymers because of steric reasons caused by intramolecular cross-linked structure.

Original languageEnglish
Pages (from-to)141-146
Number of pages6
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Issue number1-3
StatePublished - 1 Apr 2004
Externally publishedYes

Bibliographical note

Funding Information:
The authors acknowledge the financial support of the work by the International Atomic Energy Agency (IAEA Research Contract No. 11787/R0/ Regular Budget Fund) and by the State Committee for Scientific Research (Poland), Grant No. 3 T09B 053 19.


  • Critical pH
  • Hydrogen bonding
  • Interpolymer complexes
  • Nanogels
  • Poly(acrylic acid)


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