| 摘要 |
<p>A two component laminated multilayer film suitable for use in packaging articles such as pet food comprises: I. a first component comprising: (A) an outer first film layer comprising ethylene/alpha-olefin copolymer; (B) an optional second film layer comprising at least one member selected from the group consisting of ethylene/unsaturated ester copolymer, anhydride-modified ethylene/alpha-olefin copolymer, anhydride-modified ethylene/ester copolymer, acid-modified ethylene/alpha-olefin copolymer, and acid- modified ethylene/acid copolymer; (C) an optional third film layer comprising ethylene/alpha-olefin copolymer; and II. a non heat-shrinkable second component laminated to said first component, said second component comprising: (D) an outer fourth film layer which comprises at least one member selected from the group consisting of ethylene/alpha- olefin copolymer and ethylene/unsaturated ester copolymer; (E) a fifth film layer which serves as an O2-barrier layer between the third film layer and the fourth film layer, selected from PVDC, EVOH, polyalkylene carbonate, polyacrylonitrile, polyamide, and polyester; (F) a sixth film layer between the fourth film layer and the fifth film layer, serving as a first tie layer; and (G) a seventh film layer which is between the third film layer and the fifth film layer, the seventh film layer serving as a second tie layer; wherein the multilayer film is sealable to at least one member selected from the group consisting of itself and another film; and wherein a surface of said second component is heat sealable to itself as well as to said layer (A) of said first component.</p> |
