TY - JOUR T1 - Phase identification in a series of liquid crystalline TPP polyethers and copolyethers having highly ordered mesophase structures. 6. Structure changes from smectic to columnar phases in a series of copolyethers containing odd and even numbers of methylene units in equal molar composition JO - MACROMOLECULES PY - 1999/06/01 AU - Zheng RQ AU - Chen EQ AU - Cheng SZD AU - Xie FC AU - Yan DH AU - He TB AU - Percec V AU - Chu PW AU - Ungar G ED - VL - 32 IS - 11 SP - 3574 EP - 3582 Y2 - 2025/05/04 ER -