CEMENT SLURRY FOR CONSOLIDATING UNDERGROUND STRUCTURE

摘要

PROBLEM TO BE SOLVED: To obtain a thermoplastic polyester improved in impact strip resistance and gas barrier properties and a coinjection stretch blow molded multilayered container comprising EVOH. SOLUTION: This coinjection stretch blow molded container comprises a thermoplastic polyester layer (layer a) and an ethylene-vinyl alcohol copolymer layer (layer b) and the layer a is arranged so as to directly contact both the surfaces of the layer b. The ethylene-vinyl alcohol copolymer comprises a composition of two kinds of ethylene-vinyl alcohol copolymers (b1 and b2).