TRILAMINATE FILM FOR FORMING SIDEWELD BAGS

摘要

TRILAMINATE FILM FORFORMING SIDEWELD BAGSABSTRACT OF THE DISCLOSURESideweld bags having strong sidewelds can be madefrom a trilaminate film comprising a core layer of anethylene-propylene block copolymer sandwiched between skinlayers of polypropylene or an ethylene-propylene randomcopolymer.