POLYPROPYLENE-BASED SHEET FOR PTP PACKAGE AND METHOD FOR PACKAGING THEREWITH

摘要

PROBLEM TO BE SOLVED: To prepare a polypropylene-based sheet which is used for PTP package and scarcely curls without deteriorating fundamental characteristics as PTP use, and to provide a method for packaging using the sheet. SOLUTION: This polypropylene-based sheet for PTP package is characterized by comprising a polypropylene-based resin, a petroleum resin and an ethylenic copolymer, and the method for packaging is characterized heat-sealing the polypropylene-based sheet with an aluminum foil at a low temperature.