THERMOTROPIC COPOLYESTER, COMPOSITE AND ITS USE, SHAPED ARTICLE, CORE/SHEATH-YARN, WOVEN FABRIC AND MOULDED FABRIC

摘要

A thermotropic copolyester is provided consisting of a random sequence of structural units, wherein the structural units comprise a unit derived from 4-hydroxy benzoic acid, a unit derived from 6-hydroxy-2-naphthoic acid, a unit derived from suberic acid, a unit derived from sebacic acid and a unit derived from hydroquinone. Furthermore a composite comprising said copolyester as a matrix resin, the use of the composite and a shaped article comprising said copolyester, a core/sheath-yarn comprising the thermotropic copolyester as a wrapping yarn, a woven fabric comprising said yarn and a moulded fabric obtained by moulding the woven fabric are provided.