The study of structure formation in a polymer-containing ionic liquid in terms of the integral equation theory |
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Authors: | L V Zherenkova P V Komarov |
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Institution: | 1.Tver State University,Tver,Russia;2.Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | The structural properties of a polymer-containing ionic liquid under the conditions of good solubility of a flexible polymer
are studied theoretically. Two systems are discussed: In one, polymer solubility is due to the presence of specific interaction
between polymer chains and solvent cations; in the other, polymer solubility is due to the presence of specific interactions
between the polymer and solvent anions. The dependences of the structural characteristics of a solution on the polymer concentration
and the energy of attraction between polymer chains and solvent ions are calculated. In a semidilute polymer solution, long-range
correlations of polymer chains with a power dependence of the characteristic scale of ordering on the polymer density appear.
The conditions under which, along with the intermediate ordering typical of a pure ionic liquid, the long-range ordering of
the solvent cations and anions occur after addition of a polymer to the ionic liquid are studied. |
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