A kind of aluminum alloy aqueous environment-friendly cleaning agent and preparation method thereof

Abstract

The invention discloses an aluminum alloy aqueous environment-friendly cleaning agent and a preparation method of the same, wherein the cleaning agent includes following components, by weight, 9-15% of a surfactant, 15-25% of an organic alkali, 0.5-1% of a composite corrosion inhibitor, 0.1-0.3% of a defoaming agent and 60-75% of water. The composite corrosion inhibitor is composed of ammonium molybdate, sodium silicate and cerium acetate. The cleaning agent can effectively clean oil stains and oxidation films on an aluminum alloy surface so that the aluminum alloy surface can be cleaned well.

Description

technical field [0001] The invention relates to an aluminum alloy water-based cleaning agent, in particular to a green and environment-friendly water-based cleaning agent. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal material in the industry. After the aluminum alloy is processed by stretching, rolling, stamping, etc., some lubricating oil stains are often left on the surface of the aluminum material. In the process of processing, severe brown oil stains may appear, affecting the appearance of the product and causing users to return the product. [0003] Traditional degreasing methods include high temperature alkali chemical degreasing method and organic solvent degreasing method. The high-temperature alkaline chemical degreasing method has the advantages of good degreasing effect and low cost, but it has serious corrosion on the surface of aluminum alloy; while the organic solvent degreasing method has good degreasing effect, but t...

AI Technical Summary

Problems solved by technology

The high-temperature alkaline chemical degreasing method has the advantages of good degreasing effect and low cost, but it has serious corrosion on the surface of aluminum alloy; while the organic solvent degreasing method has good degreasing effect, but there are problems such as organic solvent volatilization polluting the environment and high cost. , and the corrosion resistance of aluminum alloy is poor after cleaning

[0004] At present, most aluminum alloys are mainly cleaned with water-based surface cleaners to clean the oil on the surface of the workpiece, which can quickly remove oil, dust, hand sweat, organic matter, inorganic salts and other dirt on the surface of aluminum and its alloys. Patent CN101311316A "Cleaning of metal aluminum materials "Agent" can effectively remove oil stains on the surface of aluminum alloy workpieces, but the cast workpieces turn yellow after cleaning, which seriously affects the appearance of workpieces

Patent CN101962779A "Acid cleaning agent for removing the mixed layer of oxide skin and oily carbon deposits on the surface of aluminum materials" can effectively remove the oxide film and oily carbon deposits on the surface of cast workpieces, but the cleaning time is too long and white spots are easily formed on the surface of the workpieces. All kinds of aluminum alloy cleaning agents contain more antioxidants, and the residues after treating the aluminum alloy surface are environmentally polluting.