Abstract
On the basis of the integral equation theory, we examine spatial correlations of flexible polymer chains dissolved in an ionic liquid. The effect of the concentration of a polymer on its structural properties is studied for different lengths of the nonpolar tail of the solvent cation. The structure of a polymer-containing ionic liquid is analyzed in the reciprocal space on the basis of calculated partial structure factors. In a wide range of polymer concentrations, for all the selected values of length of the cationic nonpolar tail, long-range liquid ordering and intermediate-range liquid ordering of polymer chains are observed. The dependences of the characteristic scale of ordering of macromolecules on their number density in solution are different for ionic liquids with different lengths of the cationic nonpolar tail.
Published Version
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