| abstract |
An ethylene-vinyl alcohol copolymer and a molded article thereof are disclosed. The ethylene-vinyl alcohol copolymer has improved stretching properties and provides the molded article with excellent gas barrier properties, appearance and strength. The ethylene-vinyl alcohol copolymer comprises the structural unit of formula (1): n n n(wherein X represents any binding chain excluding an ether bond, each of R 1 to R 4 represents independently any substituent and n represents 0 or 1.). |