Barium-free soft film antirust oil

Abstract

The invention relates to a barium-free soft film anti-rust oil. The barium-free soft film anti-rust oil comprises the following components based on the total weight of the barium-free soft film anti-rust oil: 10-20% of refined mineral oil, compound Barium-free rust inhibitor 10-25%, film-forming agent 2-5%, antioxidant 0.5-1.5%, copper corrosion inhibitor 0.1-1.5%, dibutyl phthalate 0.5-3%, Span 80 0.5 ~3%, the balance of dearomatized solvent oil; wherein, the composite barium-free rust inhibitor includes calcium petroleum sulfonate, calcium dinonylnaphthalene sulfonate and gemini imidazoline corrosion inhibitor. The soft film antirust oil of the present invention has low content of solvent oil aromatics and does not contain heavy metals such as barium. While meeting the environmental protection requirements of foreign environmental protection regulations on antirust materials for export metal products, it greatly improves the antirust performance of the product. It is suitable for medium and long-term storage and packaging of ferrous metal products and copper-containing metal workpieces. It has excellent storage stability and does not produce precipitation for a long time. The oil film is thin and easy to clean. It can be assembled with oil.

Description

technical field [0001] The invention relates to the field of anti-rust oil, in particular to an environment-friendly soft film anti-rust oil resistant to salt spray, damp heat and barium-free. Background technique [0002] Anti-rust oil is widely used in the metal machining industry at home and abroad due to its advantages of good anti-rust effect, convenient use, low cost, easy construction, easy operation and easy removal, and its consumption accounts for about 1% of the total consumption of lubricating oils . The core of anti-rust oil is anti-rust additives, among which oil-soluble sulfonate is the most widely used ferrous metal anti-rust agent with outstanding anti-rust performance, mainly including barium petroleum sulfonate (T701), sodium petroleum sulfonate ( T702), barium dinonyl naphthalene sulfonate (T705), neutral barium dinonyl naphthalene sulfonate (T705A), calcium petroleum sulfonate, calcium dinonyl naphthalene sulfonate, etc. Due to the mature process and m...

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Problems solved by technology

[0011] The main purpose of the present invention is to provide a barium-free soft film anti-rust oil, to overcome the barium pollution environment contained in the anti-rust oil in the prior art, and the problems of poor anti-rust performance and short anti-rust period

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