Multiple layer film and containers made therefrom

Details Multiple layer film and containers made therefrom Multiple layer film and containers made therefrom

B - Operations, Transporting

32

B

217/12, 154/140

B32B 27/08 (2006.01) B29C 47/06 (2006.01) B32B 7/12 (2006.01) B32B 27/32 (2006.01) B32B 27/34 (2006.01) B65B 5/04 (2006.01) B65D 65/40 (2006.01) B65D 77/30 (2006.01) B65D 81/34 (2006.01)

Patent

CA 1315659

ABSTRACT OF THE DISCLOSURE Multiple layer films and containers. The films have a first layer of either nylon or a combination of nylon with nylon wherein the melting point temperature of the combination is greater than the melting point temperature of the corresponding nylon. A second layer is comprised of linear low density polyethylene, and 0% to 40% low density polyethylene. A third adhesive layer is disposed between the first and second layers. The containers are susceptible of being sealed with included gas at low pressure, and subse- quently boiled in water without rupture of the seals. The film is preferably coextruded from tubular die, thereby setting forth a new method for forming a multiple layer film comprising a combination of linear low density polyethylene, optionally with up to 40% low density polyethylene, and nylon , optionally combined with nylon in a composition having a melting point temperature greater than than of the corre- sponding nylon.

573058

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