Summary
We propose a nonuniversal scaling for the osmotic pressure in the case of concatenating ring polymers. The size exponent depends on the molecular weight of the catenans. The effect is more significant the shorter and the stiffer the molecules are.
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Vilgis, T.A., Frisch, H.L. Osmotic pressure of catenanes in solution. Polymer Bulletin 21, 655–657 (1989). https://doi.org/10.1007/BF00264149
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DOI: https://doi.org/10.1007/BF00264149