Research Article

Cholesteric Liquid Crystalline Copolymers for Gas Chromatographic Separation of Polycyclic Aromatic Compounds

Table 1

Summary of the thermal transitions, monomer feeding ratios, and the structure of the copolymers. For more details see Scheme 3.

PolymerMonomer feeding
ratio (mol %)
Phase transitions, °C,
heating scan 
(cooling scan)

P110/90g 66.0 196.6 I 
(I 185 N*)
P220/80g 54.1 213.2 I 
(I 209.4 N*)
P330/70g 53.2 234.8 I  
(I 225.4 N*)