Lyotropic liquid crystalline phase of polyesteramides with different ratio of amide to ester groups in a main chain
作者： Young Chul Lee , In Jae Chung
DOI: 10.1007/BF00297337
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摘要: Various lyotropic liquid crystalline polyesteramides were prepared from 1,3-bis(4-aminobenzoyloxy)benzene, p-phenylene diamine, and terephthalic acid by changing the ratio of amide to ester groups observed using a cross polarized light microscope. The range phase becomes wider with increasing portion in main chain because rigidity higher polymer-solvent interaction stronger. In case flexible spacers, polymer one group between two does not form an anisotropic but same shows anisotropy.
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