초록

A barrier stretch film comprises an outer layer of a heat sealable polymeric material; a first interior layer of an oxygen barrier polymeric material; a second interior layer of a high molecular weight polymer; an inner copolyamide layer; and an adhesive between the second interior and inner layers.

대표청구항 ▼

A barrier stretch film comprising: (a) an outer layer comprising a heat sealable polymeric material selected from the group consisting of ethylene vinyl acetate copolymer, ethylene butyl acrylate copolymer, linear low density polyethylene, and polyester; (b) a first interior layer comprising an oxyg

A barrier stretch film comprising: (a) an outer layer comprising a heat sealable polymeric material selected from the group consisting of ethylene vinyl acetate copolymer, ethylene butyl acrylate copolymer, linear low density polyethylene, and polyester; (b) a first interior layer comprising an oxygen barrier polymeric material; (c) a second interior layer comprising a high molecular weight polymeric material; (d) an inner layer comprising a copolyamide, and (e) a polymeric adhesive disposed between the second interior and inner layers; wherein said film is a lay-flat tubular film having its interior lay-flat surfaces self-welded.