Thermotropic aromatic polyesters with a high elongation at break, to a process for their preparation and their use for the production of the form bodies, filaments, fibers and films

摘要

thermotrope vollaromatische polyester on the basis of p - and 4-hydroxybenzoic acid, aromatic dicarboxylic diphenol whose dicarbonsäurereste at least in part from 3,3 '- diphenyldicarbonsäureresten ex