Abstract
Various poly(esterimide)s of N-(4-carboxyphenyl)trimellitimide were prepared by transesterification of its dimethyl ester with various aliphatic diols. The following spacers were used: combinations of different α,ω-dihydroxyalkanes, mirtures of 1,12-dihydroxydodecane and tetraethylene glycol, neat di-, tri-, and tetraethylene glycol, and diols containing sulfide groups. Poly(esterimide)s containing alkane spacers form layer structures in the solid state but neither monotropic nor enantiotropic liquid-crystalline (LC) phases. The three different kinds of solid state observed for these poly(esterimide)s were interpreted as frozen smectic-A, -B, and -E phases
Published Version
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