ALUMINUM FIN MATERIAL FOR HEAT EXCHANGER AND HEAT EXCHANGER USING THE SAME

PROBLEM TO BE SOLVED: To provide an aluminum fin material for a heat exchanger, having lubricity and hydrophilicity, and also to provide a heat exchanger using the same. SOLUTION: The aluminum fin material 1 for the heat exchanger has a substrate 2 comprising aluminum; and a hydrophilic coating film...

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Bibliographische Detailangaben
Hauptverfasser:	KUBO KOJI, TOMITA NAOTAKA, ISOMURA NORITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BLASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMBINED HEATING AND REFRIGERATION SYSTEMS CORRECTING FLUIDS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DYES FILLING PASTES HEAT EXCHANGE IN GENERAL HEAT PUMP SYSTEMS HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING INKS LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING USE OF MATERIALS THEREFOR WEAPONS WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aluminum fin material for a heat exchanger, having lubricity and hydrophilicity, and also to provide a heat exchanger using the same. SOLUTION: The aluminum fin material 1 for the heat exchanger has a substrate 2 comprising aluminum; and a hydrophilic coating film 3 formed on the surface of the substrate 2. The hydrophilic coating film 3 comprises: a hydrophilic resin 31; and a particulate wax 32. The content of the particulate wax 32 is 1-30 pts.wt. when the entire weight of the hydrophilic coating film is 100 pts.wt. A thickness t of the hydrophilic coating film 3 is 0.1-3.0 μm. When an average particle size of the particulate wax 32 is D, D/t is 0.5-20.0. A portion of the particulate wax 32 protrudes on the surface of the hydrophilic coating film 3. The melting point of the particulate wax 32 is preferably 200°C or higher. A corrosion resistant coating film 5 having a thickness of 0.5-3.0 μm is preferably formed between the substrate 2 and the hydrophilic coating film 3. COPYRIGHT: (C)2010,JPO&INPIT