abstract |
(57) [Summary] [Object] To provide a polyester resin composition excellent in transparency and gas barrier property, a film made of the same, and a hollow container. A composition obtained by melt-mixing 5 to 95 parts by weight of polyethylene terephthalate and 95 to 5 parts by weight of polyethylene-2,6-naphthalene dicarboxylate, wherein the dispersed phase in the composition before stretching Has a maximum diameter of 5 And having a transesterification rate of 1 to 6% as determined from the nuclear magnetic resonance spectrum of the polyester composition. Of polyester composition, film and hollow container obtained therefrom |