Copolyester-imide and films made from those of poly having a high glass transition temperature (alkylene terephthalate)

摘要

Aliphatic glycols , terephthalic acid, and copolyesters comprising repeating units derived from monomers of formula (I), and the fibers produced therefrom , molding compositions and molded articles ( In the formula, n is 2, 3 or 4 )