ALUMINUM FIN MATERIAL FOR HEAT EXCHANGER, AND HEAT EXCHANGER USING IT

PROBLEM TO BE SOLVED: To provide an aluminum fin material for a heat exchanger, exerting excellent hydrophilicity and antibacterial activity without changing in quality by heating in baking and manufacturing the heat exchanger, and also to provide a heat exchanger using it. SOLUTION: This aluminum f...

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Hauptverfasser:	TOMITA NAOTAKA, ISOMURA NORITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DIFFUSION TREATMENT OF METALLIC MATERIAL HEAT EXCHANGE IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aluminum fin material for a heat exchanger, exerting excellent hydrophilicity and antibacterial activity without changing in quality by heating in baking and manufacturing the heat exchanger, and also to provide a heat exchanger using it. SOLUTION: This aluminum fin material 1 for the heat exchanger is composed of a base 2 composed of aluminum, and a hydrophilic coating film 3 formed on a surface of the base 2. The hydrophilic coating film 3 includes a substance having antibacterial activity (hereinafter called antibacterial agent 31), and has a film thickness of 0.5-2 μm. A content of the antibacterial agent 31 is 1-15 pts.wt when a weight of the total hydrophilic coating film 3 is 100 pts.wt. The antibacterial agent 31 includes silver, and has an average particle size less than the film thickness of the hydrophilic coating film 3. The antibacterial agent 31 preferably includes apatite system support including silver ion or silver compound as its main component. COPYRIGHT: (C)2009,JPO&INPIT