Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 9, 2010
Patent Application Number
09738591
Date Filed
December 15, 2000
Patent Primary Examiner
Patent abstract
A method for making a film having improved wettability properties for use with a heat exchanger of a condensing furnace or an air conditioner. The film can be made of any thermoplastic film which bonds to metal. Polar particulates are mechanically are adhered to and embedded in the upper surface of the heated film. The particulate can be surface treated to either enhance adhesion of the particulate to the film or to enhance wettability. In another embodiment, the film is coated with an adhesive substance or a mixture of reactants, the particulate pressed into and adhered to the coating.
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