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针对空调机使用过程中出现的白粉与水桥问题，对其铝翅片进行了处理。经铬酸盐氧化处理，耐蚀性能提高，其上再涂覆环氧树脂膜后，耐蚀性更有显著提高，可减少白粉问题，所配制的亲水膜使铝箔与水的接触角从未处理前大于９０°降至３０～４０°，能消除水桥的影响。成膜剂中亲水官能团与水的羟基形成氢键结合是有机、无机及有机无机复合３种不同系列亲水膜亲水的实质。为提高涂膜亲水性，添加表面活性剂十二烷基磺酸钠的量有一最佳值，约为成膜剂的７．５％（体积百分比）。
Air conditioner for the use of the process of white powder and water bridge problems, its aluminum fin was processed. After the chromate oxidation treatment, the corrosion resistance can be improved. After the epoxy resin film is coated on the epoxy resin film, the corrosion resistance is remarkably improved and the problem of the white powder can be reduced. The contact angle between the aluminum foil and the water Before untreated more than 90 ° down to 30 ~ 40 °, to eliminate the impact of the water bridge. Hydrophilic functional groups in the film-forming agent and the formation of hydrogen bonding hydroxyl is organic, inorganic and organic-inorganic composite of three different series of hydrophilic membrane hydrophilic substance. In order to improve the hydrophilicity of the coating, the amount of surfactant sodium dodecyl sulfate added has an optimum value of about 7.5% (volume percentage) of the film former.