AROMATIC COPOLYAMIDES, PROCESS FOR PRODUCING THE SAME AND THEIR USE FOR PRODUCING SHAPED STRUCTURES

摘要

An aromatic copolyamide that can be dissolved in an organic solvent is disclosed, as well as a process for producing it. The copolyamide has at least 90 mol % repetitive structural units (I), (II), (III), and 0 to 5 mol % terminal groups having the structural units (IV). The sum of the molar proportions of (II) and (III) lies in a ratio comprised between 0.9:1 and 1.1:1 to the molar proportion of (I). At the same time the mutual ratio between the molar proportions of (II) and (III) is comprised between 60:40 and 10:90. These copolyamides are suitable for producing shaped bodies or coatings, as well as for producing fibres, membranes and foils.