Clear hydrophilic coating for heat exchanger fins
AssigneeMorton Coatings, Inc.
InventorsDavid D. Clinnin, Ronald J. Lewarchik, Dexter F. Sunderman
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Abstract
The combination of an ethylene/acrylic acid copolymer and a water soluble amine salt of a fatty acid is useful as a hydrophilic coating for the surfaces of fins in a heat exchanger. The exchanger is more efficient because the coating prevents the blockage of air flow by beads of condensed water which would otherwise build up in the narrow spaces between the fins.
Claims9
A method for the treatment of an aluminum surface to provide thereon a corrosion resistant, hydrophilic coating which comprises coating said surface with a composition consisting essentially of water, a water miscible alkanol, an ethylene/acrylic acid copolymer, and an amine salt of a fatty acid;
- and drying the coating at an elevated temperature.
Dependencies are inferred from the claim text.