Long-acting emulsion-type antirust fluid

Abstract

The invention relates to a long-acting emulsion-type antirust fluid used for metal rust prevention. Every 100 parts of the antirust fluid include the following components according to parts by weight: 3-15 oil soluble surfactant, 1-10 alcohol ether type couplant, 1-10 oily-type rust preventive and the balance base oil, wherein the oil soluble surfactant is any one of petroleum sodium sulfonate with molecular weight ranging from 300 to 800, sodium heavy alkylbenzene sulfonate and sodium sulfanilate, the alcohol ether type couplant is any one of ethyl alcohol, ethyl ether, butyl ether, diethylene glycol monobutyl ether, diethylene glycol propyl ether, butyl glycol ether and ethylene glycol propyl ether, the oily-type rust preventive is any one of barium petroleum sulfonate, dinonyl naphthalenesulfonic acid barium salt and barium soap of petroleum ester oxide, and the base oil is any one of cycloalkyl base oil and paraffin base oil. The long-acting emulsion-type antirust fluid has the advantages of meeting the demands of short-term rust prevention of metal and having lower using cost.

Description

technical field [0001] The invention relates to a long-acting emulsified antirust liquid for metal antirust. Background technique [0002] In the manufacturing process of mechanical parts, metal rust prevention is a very critical step. In many occasions, it is expected that the rust prevention period can reach more than 90 days. Antirust compositions widely used at present are antirust water, antirust oil or emulsified antirust oil. Anti-rust water has the advantages of simple proportioning and low cost of use, but the anti-rust period is short and is greatly affected by the weather. Anti-rust oil has a long anti-rust period, but because it is used directly as the original solution, the cost of use is high, especially in today's rising oil prices, the cost of use will gradually increase. The emulsified antirust oil has the advantages of the above two products. The antirust oil is added with surfactants such as triethanolamine oleate or nonylphenol polyoxyethylene ether as ...

AI Technical Summary

Problems solved by technology

Anti-rust water has the advantages of simple proportioning and low cost of use, but the anti-rust period is short and it is greatly affected by the weather

Anti-rust oil has a long anti-rust period, but because it is used directly as the original solution, the cost of use is high, especially in today's rising oil prices, the cost of use will gradually increase

The emulsified antirust oil has the advantages of the above two products. The antirust oil is added with surfactants such as triethanolamine oleate or nonylphenol polyoxyethylene ether as emulsifiers. Proportion of water is diluted to form a uniformly dispersed emulsion, but because the surfactant contains hydrophilic groups, the anti-rust oil is easy to absorb moisture in the air through the hydrophilic groups after use, resulting in poor anti-rust performance. Ideal, short rust protection period

[0003] As far as the applicant knows, there is no antirust solution that can meet the short-term antirust requirements of metals and has a low cost of use