Ketonization in Calamitic Liquid Crystals

ABSTRACT

The effect of introducing the keto groups into their molecular structure on the physicochemical properties of calamitic liquid crystals is discussed and rationalized in terms of existent theories.

Keywords:

• keto groups
• liquid crystals
• physicochemical properties

Notes

^a,d Extrapolated from 10 wt% solution at 20 °C in ZLI-3086 and ZLI-4792, respectively.

^b Extrapolated from 15 wt% solution in the liquid-crystal material at 25 °C

^c Extrapolated from 15 wt% solution in the liquid-crystal material at 20 °C, η, volume viscosity, mPas.

^a τ = T_meas/T_N-I = 0.95, T_meas, T_N-I, K.

^{b, e} Extrapolated from 10 wt% solution at 20°C in ZLI-3086 and ZLI-1132, respectively.

^c τ = 0.96.

^d T_meas = T_N-I − 10°C.

^f T_meas = T_N-I − 30°C.

^a T_meas = T_SmA-SmC* − 10 °C.