3.2. Viscometric Properties. η of binary systems at the
temperature T = (293.15 to 318.15) K and pressure p = 0.1MPa
are listed in Table 4. The values of viscosity for the binary
systems decrease as temperature rises and become much larger
with increasing mole fraction of 1,1′-bicyclohexyl.
The viscosity deviations (Δη) are calculated using the
following equation: