COPOLYESTERIMIDES OF POLYALKYLENE TEREPHTHALATES HAVING HIGH GLASS TRANSITION TEMPERATURE AND FILM MADE THEREFROM

摘要

The present invention provides copolyesters comprising recurring units derived from aliphatic glycols, terephthalic acid and monomers of formula I wherein n is 2, 3 or 4 and films, fibers, molding compositions and molded articles prepared therefrom do. (I)