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    • 116. 发明申请
    • HEAT EXCHANGER OBTAINED FROM ALUMINUM OR ALUMINUM ALLOY
    • 从铝或铝合金获得的热交换器
    • US20140069620A1
    • 2014-03-13
    • US14116436
    • 2012-03-21
    • Reiko TakaswaKazuhiko Yamazaki
    • Reiko TakaswaKazuhiko Yamazaki
    • F28F13/18
    • F28F13/18C09D133/16F28D1/05333F28F1/126F28F19/04F28F2245/02F28F2245/04C08F220/06C08F220/18C08F212/08C08L39/02C08L63/00C08L2205/03
    • Provided is a heat exchanger including a heat exchange fin in which frost formation at the time of heater operation can be prevented to the extent possible, and under such a condition that condensation is liable to occur on a fin surface, a water droplet of condensed water can be quickly removed by bringing the water droplet into contact with a hydrophilic film, and as a result, a favorable heat exchange function can be continuously obtained without any increase in ventilation resistance. The heat exchanger includes a heat exchange fin made of an aluminum plate material that has a crosslinked hydrophobic film having a frost formation-suppressing effect and a hydrophilic film, in which: an area occupied by the crosslinked hydrophobic film in a square area measuring 10 mm by 10 mm at an arbitrary position on a surface of the heat exchange fin is 20 to 80%; and the crosslinked hydrophobic film is formed of an aqueous hydrophobic coating composition containing a resin (A) having a fluorine atom-containing group, a quaternary ammonium salt group-containing modified epoxy resin (B), and an amino resin (C) in which the solid content of the resin (A) is 1 to 30 parts by mass with respect to 100 parts by mass of the total of the solid contents of the resin (B) and the resin (C).
    • 提供了一种热交换器,其包括热交换翅片,其中可以在可能的程度上防止加热器操作时的结霜,并且在这样的情况下,在翅片表面上容易发生冷凝的情况,冷凝水的水滴 可以通过使水滴与亲水膜接触而快速除去,结果,可以连续获得良好的热交换功能而不会增加通气阻力。 热交换器包括由铝板材制成的热交换翅片,该热交换翅片具有具有霜冻抑制效果的交联疏水膜和亲水膜,其中:交联疏水膜在方形区域中占据的面积为10mm 热交换翅片表面的任意位置为10mm,为20〜80%。 并且交联的疏水性膜由含有含氟原子的基团的树脂(A),含季铵盐基的改性环氧树脂(B)和氨基树脂(C)的含水疏水性涂料组合物形成,其中, 相对于树脂(B)和树脂(C)的固体成分的总量100质量份,树脂(A)的固体成分为1〜30质量份。