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Brown high-build quick-drying antirust oil applicable to diesel engines of ships and warships and preparation method thereof

A diesel engine and anti-rust oil technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of the anti-rust oil's weak resistance to humidity and heat, the electrochemistry of condensation on the metal surface, affecting the quality of product protection, etc., and achieve good adhesion. , The effect of strong compactness and good adaptability

Active Publication Date: 2014-01-29
广东中诚表面防护材料检验研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the commercially available special anti-rust oil is sprayed or brushed on the oil film of large marine shafting diesel engine parts, which is difficult to remove after natural draining or has poor anti-corrosion performance. After the surface mechanical finishing treatment of various large-scale shafting products used in ships, due to the stay in the workshop, warehouse or short-term storage, transportation to assembly and use, due to the influence of factors such as industrial environment and humid atmospheric corrosion, the metal surface It is easy to be corroded by the harsh corrosive environment medium of the seaport or adsorbed water vapor to condense to produce electrochemical corrosion, resulting in the need for rework and derusting treatment or even scrapping the product
In addition, the anti-rust oil is not resistant to heat and humidity, and is not suitable for use in coastal marine environments.

Method used

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  • Brown high-build quick-drying antirust oil applicable to diesel engines of ships and warships and preparation method thereof
  • Brown high-build quick-drying antirust oil applicable to diesel engines of ships and warships and preparation method thereof
  • Brown high-build quick-drying antirust oil applicable to diesel engines of ships and warships and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A kind of preparation method of the brown thick paste quick-drying antirust oil that is applicable to marine diesel engine, comprises the following steps:

[0034] (1) Add 30% alkaline barium dinonyl sulfonate T705, 20% zinc naphthenate T704, 15% dodecenylsuccinic acid T746, 15% ortho Dibutyl phthalate, 3% benzotriazole T706, heat up to 65-75°C, stir until the material is completely dissolved; then when the temperature of the mixed material drops to 45-55°C, add 15 % emulsifier S-80 (purchased from Guangzhou Jieying Chemical Co., Ltd.; the same below), 1% 2,6-di-tert-butyl-p-cresol T501, 1% dimethyl silicone oil JC-201, mixed and stirred for 20 ~30 minutes until the materials are completely dissolved and uniform, and the multi-effect composite antirust agent is obtained; the stated percentages are the percentages of each component in the total weight of the raw materials of the multi-effect composite antirust agent.

[0035] (2) Pour the weighed 8% 150SN neutral base m...

Embodiment 2

[0040] A kind of preparation method of the brown thick paste quick-drying antirust oil that is applicable to marine diesel engine, comprises the following steps:

[0041] (1) Same as step (1) of Example 1.

[0042] (2) Pour the weighed 10% 150SN neutral base mineral oil into a reaction kettle with a steam heating and sealing device, and add 5.5% barium petroleum sulfonate T701, 7% oxidized paraffin lipid barium soap T743, 4 % refined lanolin magnesium soap, 3.5% 4001 # Rosin modified phenolic resin, 12% No. 56 semi-refined paraffin, 14% No. 2 industrial vaseline, heat up to 110-120 °C, and stir until the mixture is completely dissolved;

[0043] (3) After the temperature in the reaction kettle drops to 45-55°C, add 10% multi-effect composite anti-rust agent and 0.8% tricresyl phosphate T306 under continuous stirring, and stir for 20 minutes;

[0044] (4) Finally, under continuous stirring, slowly add 29.7% No. 120 solvent oil and 3.5% acetone, mix and stir for 30 minutes unt...

Embodiment 3

[0047] A kind of preparation method of the brown thick paste quick-drying antirust oil that is applicable to marine diesel engine, comprises the following steps:

[0048] (1) Same as step (1) of Example 1.

[0049] (2) Pour the weighed 12% 150SN neutral base mineral oil into a reaction kettle with a steam heating and sealing device, and add 5% barium petroleum sulfonate T701, 5% oxidized paraffin lipid barium soap T743, 3.5 % refined lanolin magnesium soap, 4% 4001 # Rosin modified phenolic resin, 10% No. 56 semi-refined paraffin, 12% No. 2 industrial vaseline, heat up to 110-120°C, and stir until the mixture is completely dissolved;

[0050] (3) After the temperature in the reaction kettle drops to 45-55°C, add 10% multi-effect composite anti-rust agent and 0.6% tricresyl phosphate T306 under continuous stirring, and stir for 20 minutes;

[0051] (4) Finally, under continuous stirring, slowly add 33.9% No. 120 solvent oil and 4% acetone, mix and stir for 30 minutes until th...

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Abstract

The invention discloses brown high-build quick-drying antirust oil applicable to diesel engines of ships and warships and a preparation method thereof. The black high-build quick-drying antirust oil applicable to the diesel engines of the ships and warships is prepared from 150SN neutral basic mineral oil, No.120 solvent oil, acetone, tricresyl phosphate, barium petroleum sulfonate, barium soap of petroleum ester oxide, refined lanolin magnesium soap, a multi-effect compound antirust agent, rosin modified phenolic resin, No.56 semi-refined paraffin wax and No.2 industrial Vaseline. The brown high-build quick-drying antirust oil can form a semi-hard membrane-like protective coating with strong compactness, good adhesive force and naturally quick-drying property on the surface of a material, is resistant to atmospheric corrosion and has excellent moisture resistance and salt mist resistance, and the rustproof life can be more than three years; the antirust effect is good, and the antirust quality technical requirement of a user on products in processes of production, manufacturing, transportation, storage and the like can be completely met.

Description

technical field [0001] The invention belongs to the technical field of metal anti-corrosion and surface, and in particular relates to a brown thick paste quick-drying anti-rust oil suitable for marine diesel engines and its preparation method and application. Background technique [0002] In the process of production, manufacturing, storage and transportation of large-scale shafting diesel engine parts of ships, external oil seal anti-rust treatment is required until the parts of large-scale shafting diesel engines of ships are guaranteed to be rust-free, unsealed and cleaned before installation Only then can it be assembled and used. [0003] Due to the high cost of large-scale marine shafting diesel engine parts, high machining accuracy is required in the manufacturing process, especially the product needs to go through multiple links such as manufacturing, processing, storage, and transportation. The cycle is long, and the product weight and volume are large. Loading and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/08C10N30/12C10N40/00
Inventor 李荣福曾伟筠李诗菁
Owner 广东中诚表面防护材料检验研究院有限公司
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