Title:
ALUMINUM FIN MATERIAL FOR HEAT EXCHANGER, AND HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2019113250
Kind Code:
A
Abstract:
To provide an aluminium fin for a heat exchanger superior in a hydrophilic property, and including a coating film superior in frost formation, defrosting performance and adhesion in a case when it is used as a fin for the heat exchanger.SOLUTION: An aluminium fin for a heat exchanger includes a base plate composed of aluminum or aluminium alloy, a phosphate chromate film formed on at least one of a front surface and a rear surface of the base plate with a coating amount of 5-50 mg/mm, and a hydrophilic film formed on the phosphate chromate film with a coating amount of 0.3-1.0 g/m. The hydrophilic coating film is a film including 30-50 mass % of PVA (polyvinyl alcohol), 10-30 mass % of silicate, and 25-40 mass % of alumina, and includes 5-20 mass % pf antifreeze polysaccharide derived from a fungus to 100 mass % of the hydrophilic coating film.SELECTED DRAWING: Figure 1
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Inventors:
KUME YOSHIO
KAWAKAMI SHINYA
KAWAKAMI SHINYA
Application Number:
JP2017246935A
Publication Date:
July 11, 2019
Filing Date:
December 22, 2017
Export Citation:
Assignee:
MITSUBISHI ALUMINIUM
International Classes:
F28F13/18; C09D5/00; C09D7/40; C09D129/04; F28D1/047; F28D1/053; F28F1/32; F28F17/00; F28F19/02; F28F19/04; F28F21/08
Domestic Patent References:
| JP2011237145A | 2011-11-24 | |||
| JP3383914B2 | 2003-03-10 | |||
| JP2009214001A | 2009-09-24 | |||
| JP2016199614A | 2016-12-01 | |||
| JP2017137603A | 2017-08-10 | |||
| JP3383914B2 | 2003-03-10 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami
Mitsuo Teramoto
Fumihiro Hosokawa
Kazunori Onami