Readily adhesive polyester film and process for preparation thereof
AssigneeTeijin Limited
InventorsTeruo Takahashi, Sadayoshi Miura, Tamaki Kanai
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Abstract
A readily adhesive polyester film comprising a polyester film having provided on at least one surface thereof a readily adhesive thin layer (a primer layer) containing an aqueous phenoxy resin; and a process for preparation of a readily adhesive polyester film which comprises applying an aqueous coating containing an aqueous phenoxy resin on at least one surface of a polyester film before completion of crystalline orientation, and then subjecting the resulting film to drying, stretching and heating treatments to complete crystalline orientation of the film.
Claims4
A readily adhesive polyester film comprising a polyester film having provided on at least one surface thereof a thin layer readily adhesive to magnetic paints containing a self-emulsifiable type aqueous phenoxy resin which contains 3.times.10.sup.-5 to 3.times.10.sup.-3 eq/g of self-emulsifiable functional group, said aqueous phenoxy resin being a linear polymer containing as the main component a repeating unit of the following formula ##STR2##
Dependencies are inferred from the claim text.