| 摘要 |
PURPOSE:To be able to provide an aluminu-made heat exchanger with no foul odor by forming synthetic resin-made anticorrosive film with deodorant or a hydrophilic film with deodorant on the surface of fins. CONSTITUTION:On the surfaces of fins 3, a composite film which is composed of a synthetic resin-made anticorrosive film 9 and a hydrophilic film 8 formed on its surface and has deodorant 7 at lest in one film of the two, the film 9 with deodorant, or the film 8 with deodorant is formed. As deodorant, chemical deodorant and oxygen deodorant are utilized. As the chemical deodorant, there are ferrous sulfate, ferric sulfate, ferric hydrochloric acid, sodium percarbonate, Glauber's salt-hydrogen peroxide-salt complex, hydrogen peroxide, sodium persulfate-ferric sulfuric acid, potassium peroxide, peroxide of alkaline earth metal, cummen hydroperoxide, and benzoyl peroxide. AS the oxygen deodorant, there are cellulase, amylase, protease, alkali proase, and lipase.
|
