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A technology of anti-rust oil and hard film, which is applied in the direction of anti-corrosion coatings, coatings, rosin coatings, etc. It can solve the problems of anti-rust lubricants such as poor resistance to humidity and heat and salt spray, and achieve good anti-corrosion performance
Inactive Publication Date: 2013-08-28
SUZHOU FUTONG NEW MATERIALS & HIGH TECH
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[0003] In view of the above comments on the prior art, the technical problem to be solved by the present invention is: the problem
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[0018] Example 1
[0019] S1: Put rosin and maleic anhydride into the reactor, heat to 95±2°C, stir, add xylene and tert-butylphenol formaldehyde resin in sequence, heat up to 150±2°C, and keep it for 1.5 hours;
[0020] S2: Cool, to 85±2℃, add 120# solvent oil, stir evenly to obtain film-forming resin;
[0021] S3: Put benzotriazole, 2,6-di-tert-butyl-p-cresol, and 120# solvent into the reaction kettle, heat up to 50±2℃, and stir for 1h;
[0022] S4: Add film-forming resin and organic silicon, stir well, cool, filter, and get it.
Example Embodiment
[0023] Example 2
[0024] The difference from Example 1 is that in step S3, oxidized petroleum tallow barium soap, tetra-[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester, 120# solvent are put Put it into the reaction kettle, raise the temperature to 50±2°C, and stir for 1h; in step S4, add the film-forming resin and ethanol, stir, cool, and filter to obtain.
Example Embodiment
[0025] Example 3
[0026] The difference from Example 1 is that in step S3, 10 parts of oxidized petroleum tallow barium soap, 15 parts of benzotriazole, 2,6-di-tert-butyl-p-cresol, and 120# solvent are put into the reaction kettle. Raise the temperature to 50±2°C and stir for 1 hour; in step S4, add the film-forming resin and silicone, stir, cool, and filter to obtain.
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Abstract
The invention provides a hard-film rust-preventative oil which is resistant to moisture, heat and salt mist and a preparation method thereof, and belongs to the technical field of rust-preventative oil. The hard-film rust-preventative oil comprises the following components in parts by weight: 20-30 parts of film-forming resin, 10-25 parts of a rust-preventative agent, 0.5-2 parts of an antioxidant, 0.1-1 parts of an antifoam agent and 60-85 parts of a 120# solvent, wherein the film-forming agent is prepared from the following raw materials in parts by weight: 5-10 parts of colophonium, 25-40 parts of tert-butyl phenol formaldehyde resin, 10-20 parts of cis-butenedioic anhydride, 20-35 parts of 120# solvent oil and 5-10 parts of dimethyl benzene. The durability in a salt mist test can last for 95 days, and the durability in a warm test can last for 27 days; and the hard-film rust-preventative oil has a good rust-preventative performance.
Description
technical field [0001] The invention relates to anti-rust oil technology, in particular to a dura-coat anti-rust oil resistant to heat and humidity and salt spray and a preparation method thereof, belonging to the technical field of anti-rust oil. Background technique [0002] Anti-rust oil is made by adding lubricating oil as base oil, adding anti-rust agent and some improving additives. At present, the anti-rust oils on the market include dehydrated anti-rust oils, solvent-based soft film anti-rust oils, and colored dura-film anti-rust oils. Among them, some products have insufficient coating hardness, poor weather resistance, and some are opaque, while the damp heat resistance and salt spray resistance of ordinary dura-coat antirust oil are not ideal. Especially when used in ports and ships, it is more susceptible to the influence of salt spray and accelerates its deterioration process. Contents of the invention [0003] In view of the above comments on the prior art,...
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