Film laminate with easy td tear

Details Film laminate with easy td tear Film laminate with easy td tear

B - Operations, Transporting

32

B

154/140, 220/2

B32B 27/32 (2006.01) B32B 27/08 (2006.01) B65D 75/58 (2006.01) B65D 75/44 (2006.01)

Patent

CA 2003282

DC-3058 ABSTRACT OF THE DISCLOSURE A transversely tearable film and pouches made therefrom are disclosed. The transversely tearable laminate comprises a machine direction oriented linear low density polyethylene film adhesively laminated on at least one side to a sealant film, the sealant film having an Elmendorf tear in the machine direction of at least about 2 g/µm, and the selection of said oriented film and said sealant film being made on the basis that : K.X > (1-Y), wherein K is an empirically determined factor which depends of the properties of the oriented film and the sealant film, X is the thickness of all layers of sealant film in micrometres, Y =(MDc)/(TDc) MDc is the Elmendorf tear strength, in the machine direction, of the oriented film, measured in grams, and TDc is the Elmendorf tear strength, in the transverse direction, of the oriented film, measured in grams. DC-3058

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