High modulus polyester

摘要

A high modulus polyester comprising the following structural units (I) and/or (II) and (III), the structural units (I) and (II) occupying 51-99 mol % of the whole and the structural unit (III) occupying 49-1 mol % of the whole, and a high modulus shaped article obtained from the polyester: <IMAGE> (I) <IMAGE> (II) <IMAGE> (III) wherein R represents one or more divalent radicals selected from <IMAGE> <IMAGE> <IMAGE> +TR <IMAGE> and X represents chlorine or bromine atom.