Composition and method for treating heat exchange surfaces

Details Composition and method for treating heat exchange surfaces Composition and method for treating heat exchange surfaces

1993-11-12

1996-06-25

Kulkosky, Peter F.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427421, 424409, 165133, B05D 302, A01N 2508

Patent

active

055298079

ABSTRACT:
A composition containing an antimicrobial and a silicone-based emulsion is disclosed for treating heat exchange surfaces. The liquid formulation retards microbial growth and prevents debris from adhering to the surfaces, thus minimizing fouling. The composition does not form a film on the treated surfaces, but rather clings via ionic interaction; thus the heat transfer characteristics of the system are not substantially altered. In addition, the composition does not contain any volatile organic compounds, which can be harmful to a building's occupants. An application method is further disclosed that entails spraying the composition into the cooling coils to be treated, drawing the composition across the heat exchange surfaces in an air stream, and drying the surfaces. This method results in the formation of a low-friction antimicrobial deposit that will resist fouling and microbial growth.

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