PACKAGING MATERIAL CONTAINING POLYARYLENE SULFIDE

摘要

A packaging material is composed of a bottom material of a first thermoplastic resin sheet having a concave portion thermally bonded therein and a cover material of a second thermoplastic resin sheet or aluminium foil which is bonded to the bottom material to seal in the said concave portion the content thereof. The bottom material consists of a polyarylene sulfide sheet or a laminate sheet having at least one layer of a polyarylene sulfide.