Polyester composition for hot fill applications, containers made therewith, and methods

Container reheat stretch blow molding process of preparation, comprising polyethylene terephthalate copolymer comprising a lower content of diethylene glycol and small amounts of naphthalenedicarboxylic acid byproducts than the conventional method for preparing a resin as, the container such that improved mechanical properties. Also disclosed is a method for preparing containers and hot-fill containers.