Composition for an antistatic layer and a film comprising this layer
AssigneeEastman Kodak Company
InventorsJean-Pierre Tixier, Annie Francoise Armande Legrand
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Abstract
The aqueous composition for antistatic layer according to the invention comprises vanadium pentoxide and a polyurethane which includes no sulfonated groups and which is stable in an acidic medium, the weight ratio of vanadium pentoxide to polyurethane preferably being between 1:200 and 5:1. Polymeric supports coated with such a composition can be used for transparencies for photocopy, for mounting supports in the field of printing, or in photographic or magnetic products and in packaging.
Claims20
Aqueous composition for an antistatic layer comprising vanadium pentoxide and an aqueous dispersion of a polyurethane characterized in that the polyurethane includes no sulfonated groups and is resistant to flocculation in an acidic medium.
Dependencies are inferred from the claim text.