The invention discloses a preparation process of a novel aluminum
alloy anodic oxidation film. The preparation process comprises the steps that S01,
degreasing treatment is conducted; S02, chemical
polishing treatment is conducted; S03, corrosive wash is conducted, specifically, an aluminum profile after being subjected to
degreasing is placed in circularly flowing corrosive wash liquid for corrosive wash; S04, washing is conducted; S05,
anodic oxidation treatment is conducted; S06, coloring is conducted, specifically, an aluminum
alloy treated through the S04 step is washed until the surfacehas no residue,
drying is conducted, and color paste is screen-printed on the
anodic oxidation film of the aluminum
alloy; and S07, hole sealing is conducted, specifically, the surface of the aluminumalloy is rinsed by using 50-55 DEG C of water, and hole sealing treatment is conducted in 100-102 DEG C of water steam. The preparation process of the novel aluminum alloy anodic oxidation film adopts a
sulfuric acid anode oxidation method, supplemented with matched components and methods, the prepared aluminum alloy anodic oxidation film has natural fragrance, and added value of the aluminum alloy anodic oxidation film is promoted. Further, the anodic oxidation film prepared through the anodic
oxidation process has high
hardness, many gaps and high adsorption capability, is beneficial for
dyeing, and has high
corrosion resistance after being subjected to sealing treatment.