B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) C08J 7/04 (2006.01)
Patent
CA 2167381
The present invention relates generally to a multilayer packaging structure which (1) has a relatively broad heat seal temperature, and (2) provides an easy open seal, even at very high heat seal temperatures. More specifically, the films of the present invention are preferably multilayer structures comprising (1) a support film, such as polyester, (2) a homopolymer or copolymer interface layer; and (3) a heat seal outer layer.
Structure multicouche de conditionnement présentant une plage relativement étendue de températures de thermosoudage et permettant une ouverture facile, même dans le cas de températures de thermosoudage très élevées. Plus spécialement, les feuilles de ce type sont de préférence des structures multicouches comportant (1) une feuille support, par exemple en polyester; (2) une couche d'interface homopolymère ou copolymère; et (3) une couche extérieure thermosoudée.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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