BIAXIALLY STRETCHED BLOW-MOLDED CONTAINER AND PROCESS FOR PRODUCING THE SAME

摘要

A biaxially stretch blow-molded container having a layer of a trimethylene naphthalate type polyester resin, wherein the layer of the trimethylene naphthalate type polyester resin in at least the container body portion satisfies either one or both of:
(i) a Tcl calorific value is not larger than 10 J/g in the DSC measurement; and
(ii) tan ´ maximum temperature ‰§ 90°C and
tan ´ maximum value ‰¦ 0.4
in the dynamic viscoelasticity measurement,
the biaxially stretch blow-molded container effectively exhibiting excellent gas-barrier property possessed by the trimethylene naphthalate type polyester resin.