POLYPROPYLENE MULTILAYER BLOW-MOLDED BOTTLE EXCELLENT IN SHELF LIFE OF CONTENT, AND MANUFACTURING METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a polypropylene multilayer blow-molded bottle which improves transparency, moisture-proof properties, drop impact resistance, etc., and which has the excellent shelf life of contents and good moldability, and an efficient manufacturing method therefor.;SOLUTION: In this polypropylene multilayer blow-molded bottle comprising an oxygen barrier resin layer and at least one polypropylene resin layer, the polypropylene resin layer is composed of a resin composition containing a polypropylene resin and a hydrogenerated petroleum resin with a molecular weight of 500-1300.;COPYRIGHT: (C)2004,JPO&NCIPI