Viscometry in the study of molecular complexes

Extractive Desulfurization of Liquid Fuel with Three-Body NMP/BEN/H2O Deep Eutectic Solvents

“…The viscosity decreased significantly from 11.28 cP at the initial 25 °C to 1.91 cP at the final 65 °C. The density decreased from 1.0682 g/mL at the beginning to 1.0404 g/mL at the end under the same temperature change condition, with a small decrease, which is consistent with the results reported in the existing literature. − It can be seen from the table that the viscosity and density of single NMP at room temperature are 1.64 cP and 1.028 g/mL, respectively, which indicates that the addition of BEN and water will lead to an increase of the viscosity and density of NMP and also confirms the generation of intermolecular hydrogen bonds in the process of synthesis of the three-body DES …”

“…47−49 It can be seen from the table that the viscosity and density of single NMP at room temperature are 1.64 cP and 1.028 g/mL, respectively, which indicates that the addition of BEN and water will lead to an increase of the viscosity and density of NMP and also confirms the generation of intermolecular hydrogen bonds in the process of synthesis of the three-body DES. 42 3.3. Screening of Matrix.…”