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In this study, wholly aromatic main chain copoly(ester–amide)s containing tetrafluorophthalic acid (TFPA-ortho), tetrafluoroisophthalic acid (TFIA-meta) and tetrafluoroterephthalic acid (TFTA-para) were synthesized to study the effects of kinks on the formation of mesophase and crystal texture. The effects of kink moieties on these copoly(ester–amide)s were also investigated by the ‘RIS’ metropolis...
We have identified the effect of a fluorine lateral moiety on the liquid crystallinity of wholly aromatic polyester-amides. The evolution of liquid crystal texture for two reaction systems, p-acetoxybenzoic acid (ABA)/acetoxy acetanilide (AAA)/3-fluorophthalic acid (FPA) and ABA/AAA/phthalic acid (PA), were examined and compared by in situ polymerizations under a polarizing microscope with a heating-stage...
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