| 摘要 |
<p>O.Z. 0050/38145 Wholly aromatic mesomorphic polyether ester imides which form a liquid-crystalline fiber-forming melt below 320.degree.C and are composed of a) from 5 to 35 mol% of repeat units of the formula I (I) b) from 5 to 35 mol% of repeat units of the formula II (II) where X is a chemical bond, -O-, -S-, -SO2-, -CO-, -CH2- or =C(CH3)2, and n is 0 or 1, c) from 15 to 30 mol% of repeat units of the formula III (III) d) a molar amount corresponding to the total amount of b) plus c) minus a) of repeat units of the formulae IV and/or V (IV) (V) e) repeat units of the formula VI (VI) the mole percentages of components a, b, c, d and e adding up to 100 mol% in each case, the preparation thereof and fibers, films and molding prepared therefrom.</p> |
