A kind of surface cleaning agent for thermal spraying and preparation method thereof

Abstract

The invention discloses a surface cleaning agent for thermal spraying. The raw materials of the surface cleaning agent include component A and component B, which are mixed according to the volume ratio of component A to component B being 3:(1-1.5) during preparation, wherein the component A includes the following materials in parts by weight: 5-8 parts of p-toluene sulfonic acid sodium salt, 6-10 parts of phosphate, 3-7 parts of ethylenediamine, 5-10 parts of methyl benzoate, 3-8 parts of N,N-ethylene bis-stearamide, 6-11 parts of calcium alkylbenzene sulfonate, 2-4 parts of ZDDP, 2-7 parts of fatty acid diethanol salt, 4-6 parts of an antioxidant, 3-5 parts of a defoamer and 55-67 parts of water; the component B includes the following materials in parts by weight: 10-16 parts of sodium carbonate, 3-8 parts of potassium pyrophosphate, 4-6 parts of triethylamine urea, 8-13 parts of primary alcobol ethoxylate, 3-6 parts of alkyl naphthalene sulfonate and 40-55 parts of water. The surface cleaning agent can thoroughly clean the dirt, such as carbon dust and scrap iron, formed on the metal workpiece surface due to processing, and the phenomena of whole or partial corrosion of the metal outer surface after cleaning does not occur; as the raw materials of the product are all neutral products, the product is mild in performance, free of chromate and nitrite, odorless, free of pollution to the environment and harm to human bodies; in addition, the surface cleaning agent is low in foam and easy to rinse, and suitable for cleaning operations of automatic cleaning machines.

Description

technical field [0001] The invention relates to a surface cleaning agent and a preparation method thereof, in particular to a surface cleaning agent for thermal spraying and a preparation method thereof, belonging to the technical field of metal surface treatment. Background technique [0002] Coatings applied by thermal spraying have long been known for many applications. For example, in vehicle engines, the surface of the oil-lubricated cylinder running-running surface has been coated for a considerable period of time, especially by plasma spraying, which significantly reduces the friction between the piston ring and the cylinder wall. The coefficient of friction, thereby significantly reducing the wear of piston rings and cylinders, makes the service life of the engine longer, the maintenance interval (such as oil change) is extended, and the performance of the engine is also significantly improved. [0003] Lubricating oil or coolant is often used in the processing of m...

AI Technical Summary

Problems solved by technology

[0003] Lubricating oil or coolant is often used in the processing of many metal devices. When there is oil stain on the metal surface, the effect of thermal spraying is often affected by surface impurities such as oil stains during thermal spraying, which will seriously lead to thermal spray coating. Stripping brings inconvenience to processing and production, so the surface of the device is often cleaned before spraying. Traditional surface cleaners have strong odor and corrosion to metal surfaces.