Synthesis and characterization of isoregic chiral smectic polyesters

被引:11
作者
Bai, F
Chien, LC [1 ]
Li, CY
Cheng, SZD
Petschek, R
机构
[1] Kent State Univ, Inst Liquid Crystal, Kent, OH 44242 USA
[2] Kent State Univ, Chem Phys Interdisciplinary Program, Kent, OH 44242 USA
[3] Univ Akron, Maurice Morton Inst, Akron, OH 44325 USA
[4] Univ Akron, Dept Polymer Sci, Akron, OH 44325 USA
[5] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA
关键词
D O I
10.1021/cm990159e
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We prepared a series of isoregic chiral smectic polyesters based on (R)-(-)-4'-(omega-[2-(p-hydroxy-o-nitrophenyloxy)-1-propoxy]-1-alkyloxy)-4-biphenylcarboxylic acid, The head-to-tail (p-hydroxybenzoic acid) type monomers enable us to proceed the isoregically controlled polycondensation. All the monomers exhibited the chiral smectic C and nematic mesophases. The isoregic chiral smectic polyesters have good thermal stability and exhibit monolayered chiral smectic C and smectic A structures.
引用
收藏
页码:1666 / 1671
页数:6
相关论文
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