MICROWAVEABLE FILM OR SHEET SUITABLE FOR VACUUM SKIN PACKAGING APPLICATIONS AND PEELABLE MICROWAVEABLE VACCUM SKIN PACKAGE OBTAINED THEREWITH

摘要

Amulti-layer film or sheet suitable for use in VSP applications has an outer layer comprising a blend of from about 8 to 30 wt. % of modified polypropylene, from 0 to about 20 wt. % of polybutene and the complement to 100 wt. % of ionomer. The patent application also relates to a peelable VSP package where one of the webs has an outer sealing layer comprising a blend of from about 8 to 30 wt. % of modified polypropylene, from 0 to about 20 wt. % of polybutene and the complement to 100 wt. % of ionomer and the other web comprises an outer sealing layer having an ethylene homo- or copolymer-based surface, wherein said outer sealing layers are sealed to each other in one or more selected areas with a seal strength of from about 2.0 to about 4.0 N/25.4 mm.