TY - JOUR T1 - Liquid crystalline polyethers based on conformational isomerism. 16. hexagonal columnar phase (φh) in a non-discotic copolyether and the novel 2-dimensional to 3-dimensional φh-SB transition JO - American Chemical Society, Polymer Preprints, Division of Polymer Chemistry PY - 1991/01/01 AU - Ungar G AU - Feijoo JL AU - Percec V AU - Yourd RA ED - VL - 32 IS - 1 SP - 282 EP - 283 Y2 - 2024/12/26 ER -