| 摘要 |
<p>A coextruded heat sealable film (10) made with nonoriented polyester (12) is disclosed, in one aspect the polyester including from about 1% to about 5% of a polyolefin, LLDPE being preferred; and in another aspect the polyester comprising a resin which in film form has a tensile strength of 7,000 psi or more. The heat sealable layers (11) include modified polyolefin and copolyester. The heat sealable film can be laminated with aluminum foil, paper, etc. to form a composite which is heat sealable, useful in pouches and lidding stock.</p> |
