阅读说明：本技术 一种高效气相防锈油复合剂及制备方法 (High-efficiency gas-phase anti-rust oil complexing agent and preparation method thereof ) 是由 蔺国兴 张程 于 2019-10-12 设计创作，主要内容包括：本发明涉及一种高效气相防锈油复合剂及制备方法,属于金属防锈的技术领域。包括重量份的以下组分：辛酸8.8～11.0份,三正丁胺11.2～14.0份,氧化石油脂5～8份,中性合成磺酸钙5～8份,山梨糖醇单油酸脂50～65份,石油磺酸钠5～8份,苯并三氮唑1.0～2.5份,NY120溶剂油4.2～10.5份,N10全损耗系统用油10～15份。(1)本发明的高效气相防锈油复合剂具有黑色金属和有色金属气相防锈作用功能,有优异的清净性、抗腐蚀性能。(2)溶于各种矿物油,同时具有气相和油相防锈性,防锈期二年以上。(3)打破国外公司对高性能气相防锈油复合剂垄断中国市场的局面,全力推行民族品牌化、自主化、复合剂市场化,改变高性能气相防锈油复合剂靠进口的状况。(4)对燃油的燃烧不会有明显的影响。(The invention relates to a high-efficiency gas-phase rust preventive oil complexing agent and a preparation method thereof, belonging to the technical field of metal rust prevention. Comprises the following components in parts by weight: 8.8-11.0 parts of caprylic acid, 11.2-14.0 parts of tri-N-butylamine, 5-8 parts of oxidized petroleum fat, 5-8 parts of neutral synthetic calcium sulfonate, 50-65 parts of sorbitol monooleate, 5-8 parts of sodium petroleum sulfonate, 1.0-2.5 parts of benzotriazole, 4.2-10.5 parts of NY120 solvent oil and 10-15 parts of N10 total loss system oil. (1) The high-efficiency gas-phase rust preventive oil complexing agent has the gas-phase rust preventive function of ferrous metals and nonferrous metals, and has excellent detergency and corrosion resistance. (2) It is soluble in various mineral oils, and has gas phase and oil phase rust resistance with rust resistance period of more than two years. (3) Breaks through the situation that foreign companies monopolize the Chinese market for the high-performance gas-phase rust-preventative oil complexing agent, pushes national branding, autonomy and complexing agent marketization all the time, and changes the condition that the high-performance gas-phase rust-preventative oil complexing agent is imported. (4) There is no significant effect on the combustion of the fuel.)

1. The high-efficiency gas-phase rust preventive oil complexing agent is characterized by comprising the following components in parts by weight: 8.8-11.0 parts of caprylic acid, 11.2-14.0 parts of tri-N-butylamine, 5-8 parts of oxidized petroleum fat, 5-8 parts of neutral synthetic calcium sulfonate, 50-65 parts of sorbitol monooleate, 5-8 parts of sodium petroleum sulfonate, 1.0-2.5 parts of benzotriazole, 1.5-3.8 parts of dicyclohexylamine, 4.2-10.5 parts of dibutyl phthalate, 4.2-10.5 parts of NY120 solvent oil and 10-15 parts of N10 total loss system oil.

2. The high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 1, comprising the following components in parts by weight: 8.8 parts of caprylic acid, 11.2 parts of tri-N-butylamine, 5 parts of oxidized petroleum fat, 8 parts of neutral synthetic calcium sulfonate, 50 parts of sorbitol monooleate, 8 parts of sodium petroleum sulfonate, 1.2 parts of benzotriazole, 1.8 parts of dicyclohexylamine, 6.3 parts of dibutyl phthalate, 6.3 parts of NY120 solvent oil and 12 parts of N10 total loss system oil.

3. The high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 1, wherein said octanoic acid and tri-n-butylamine are synthesized to obtain octanoic acid tri-n-butylamine.

4. The high-efficiency gas-phase rust preventive oil composition as claimed in claim 1, wherein said oxidized petroleum fat has a saponification value of KOH/mg-g^-1Is 90 to 120.

5. The high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 1, wherein the calcium content of said neutral synthetic calcium sulfonate is not less than 2.00 m%.

6. The high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 1, wherein the acid value of said sorbitol monooleate is 6-7, and the saponification value KOH/mg-g^-1145-185 and 190-220 hydroxyl value.

7. The high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 1, wherein the sodium content of said petroleum sodium sulfonate is 45-55%.

8. The high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 1, wherein benzotriazole dicyclohexylamine is obtained by synthesizing benzotriazole and dicyclohexylamine, and the melting point of the prepared benzotriazole dicyclohexylamine is 137-139 ℃.

9. A preparation method of an efficient gas-phase rust preventive oil complexing agent is characterized by comprising the following specific preparation steps:

(1) preparation of tri-n-butylamine octanoate: weighing 11.2-14.0 parts of tri-n-butylamine, adding into a reaction kettle, adding 8.8-11.0 parts of caprylic acid under strong stirring, heating to 60-70 ℃, stirring and reacting for 30min to obtain 20-25 parts of finished tri-n-butylamine caprylate for later use;

(2) preparation of benzotriazole dicyclohexylamine: dissolving 1.0-2.5 parts of benzotriazole in 4.2-10.5 parts of dibutyl phthalate, dissolving 1.5-3.8 parts of dicyclohexylamine in 4.2-10.5 parts of NY120 solvent oil, cooling the two to 20-30 ℃, mixing the two together, stirring for reaction, separating out white precipitate, filtering, and drying at 60 ℃ to obtain a crude product; crystallizing the crude product by using benzene to obtain 2-5 parts of benzotriazole dicyclohexylamine as a white prismatic crystal finished product for later use;

(3) and (2) starting stirring, sequentially adding 20-25 parts of tri-N-butylamine caprylate, 5-8 parts of oxidized petroleum fat, 5-8 parts of neutral synthetic calcium sulfonate, 50-65 parts of sorbitol mono-oleate and 5-8 parts of sodium petroleum sulfonate, 2-5 parts of benzotriazole dicyclohexylamine prepared in the step (2) and 10-15 parts of N10 full-loss system oil into a blending kettle, heating to 60-70 ℃ after the addition is finished, stirring for 1.5-2 h at normal pressure, controlling the rotating speed to 90-120 r/min, and filtering and barreling to be qualified after inspection.

10. The preparation method of the high-efficiency gas-phase rust preventive oil complexing agent as claimed in claim 9, characterized by comprising the following specific preparation steps:

(1) preparation of tri-n-butylamine octanoate: weighing 11.2 parts of tri-n-butylamine, adding into a reaction kettle, adding 8.8 parts of caprylic acid under strong stirring, heating to 60-70 ℃, stirring and reacting for 30min to obtain 20 parts of finished product caprylic acid tri-n-butylamine for later use;

(2) preparation of benzotriazole dicyclohexylamine: dissolving 1.5 parts of benzotriazole in 6.3 parts of dibutyl phthalate, dissolving 2.2 parts of dicyclohexylamine in 6.3 parts of NY120 solvent oil, cooling the two to 20-30 ℃, mixing together, stirring for reaction, separating out white precipitate, filtering, and drying at 60 ℃ to obtain a crude product; crystallizing the crude product by using benzene to obtain 3 parts of benzotriazole dicyclohexylamine finished product of white prismatic crystal for later use;

(3) and (2) starting stirring, sequentially adding 20 parts of tri-N-butylamine caprylate, 5 parts of oxidized petroleum fat, 8 parts of neutral synthetic calcium sulfonate, 50 parts of sorbitol monooleate, 8 parts of sodium petroleum sulfonate, 3 parts of benzotriazole dicyclohexylamine prepared in the step (2) and 12 parts of N10 total loss system oil into a blending kettle, heating to 60-70 ℃, stirring for 1.5-2 hours at normal pressure, controlling the rotating speed at 90-120 r/min, inspecting, filtering and barreling.

Technical Field

The invention belongs to the technical field of metal rust prevention, and particularly relates to a high-efficiency gas-phase rust preventive oil complexing agent and a preparation method thereof.

Background

With the development of equipment manufacturing and automobile industry, the problem of metal corrosion is more and more prominent. Including various equipment, automobile gear boxes, oil tanks and the like, can generate corrosion problems in the manufacturing, storage and transportation processes. Therefore, the anti-rust oil applied to the manufacturing, automobile production and storage and transportation processes of modern industrial equipment needs to be developed. The development and application of the high-efficiency gas-phase anti-rust oil complexing agent solve the problem of corrosion of a vehicle fuel tank, a hydraulic oil tank and a gear box, particularly a heavy truck fuel tank in the production, storage and transportation processes.

Disclosure of Invention

The invention provides a high-efficiency gas-phase anti-rust oil complexing agent and a preparation method thereof, aiming at solving the problem that the metal corrosion problem in equipment manufacturing and automobile industry is more and more prominent. The high-efficiency gas-phase rust preventive oil complexing agent is a mixture of organic compounds containing a hydrocarbon chain, and can support combustion; diesel oil, mineral oil type hydraulic oil and mineral oil type lubricating oil are also combustible as base oil of the rust preventive oil; therefore, the gas phase rust preventive oil prepared by adding the high-efficiency gas phase rust preventive oil complexing agent into the diesel oil and mineral oil type lubricating oil is also combustible. The total concentration of the high-efficiency gas-phase rust preventive oil complexing agent in the rust preventive oil is only 15 percent, and the filling amount of the rust preventive oil is only 5 percent of the volume of the oil tank according to requirements. Therefore, when the fuel is full, the concentration of the antirust additive in the fuel is lower than 0.75% (the additive contains a small amount of mineral oil), and the antirust additive is combustion-supporting, so that the combustion of the fuel is not obviously influenced.

The technical scheme of the invention is as follows:

an efficient gas-phase rust preventive oil complexing agent comprises the following components in parts by weight: 8.8-11.0 parts of caprylic acid, 11.2-14.0 parts of tri-N-butylamine, 5-8 parts of oxidized petroleum fat, 5-8 parts of neutral synthetic calcium sulfonate, 50-65 parts of sorbitol monooleate, 5-8 parts of sodium petroleum sulfonate, 1.0-2.5 parts of benzotriazole, 1.5-3.8 parts of dicyclohexylamine, 4.2-10.5 parts of dibutyl phthalate, 4.2-10.5 parts of NY120 solvent oil and 10-15 parts of N10 total loss system oil.

Preferably, the composition comprises the following components in parts by weight: 8.8 parts of caprylic acid, 11.2 parts of tri-N-butylamine, 5 parts of oxidized petroleum fat, 8 parts of neutral synthetic calcium sulfonate, 50 parts of sorbitol monooleate, 8 parts of sodium petroleum sulfonate, 1.2 parts of benzotriazole, 1.8 parts of dicyclohexylamine, 6.3 parts of dibutyl phthalate, 6.3 parts of NY120 solvent oil and 12 parts of N10 total loss system oil.

Preferably, the synthesis of the caprylic acid and the tri-n-butylamine obtains the caprylic acid tri-n-butylamine; the tri-n-butylamine caprylate has the gas phase rust prevention function on ferrous metals and nonferrous metals.

Preferably, the oxidized petroleum ester has a saponification value (KOH)/mg-g^-190-120, and the oxidized petroleum ester has an excellent contact antirust additive function.

Preferably, the calcium content of the neutral synthetic calcium sulfonate is more than or equal to 2.00m percent, and the specific model is T102; the neutral synthetic calcium sulfonate has excellent cleaning performance and contact antirust effect.

Preferably, the acid value of the sorbitol monooleate is 6-7, and the saponification value (KOH)/mg-g^-1145-185, 190-220 hydroxyl value, specific type is S-80, and the sorbitol monooleate has excellent solubilizing performance.

Preferably, the sodium content of the petroleum sodium sulfonate is 45-55%, and the specific model is T702; the petroleum sodium sulfonate has better salt mist resistance, and can have the functions of dissolving aid and dispersing other antirust additives in the formula of the antirust oil. Has better antirust effect on ferrous metals and nonferrous metals.

Preferably, the benzotriazole dicyclohexylamine is obtained by synthesizing the benzotriazole and dicyclohexylamine. The melting point of the prepared benzotriazole dicyclohexylamine is 137-139 ℃, and the benzotriazole dicyclohexylamine has the gas phase rust prevention function on ferrous metals and nonferrous metals.

The invention also aims to provide a preparation method of the high-efficiency gas-phase rust preventive oil complexing agent, which comprises the following specific preparation steps:

(1) preparation of tri-n-butylamine octanoate: weighing 11.2-14.0 parts of tri-n-butylamine, adding into a reaction kettle, adding 8.8-11.0 parts of caprylic acid under strong stirring, heating to 60-70 ℃, stirring and reacting for 30min to obtain 20-25 parts of finished product tri-n-butylamine caprylate for later use.

(2) Preparation of benzotriazole dicyclohexylamine: dissolving 1.0-2.5 parts of benzotriazole in 4.2-10.5 parts of dibutyl phthalate, dissolving 1.5-3.8 parts of dicyclohexylamine in 4.2-10.5 parts of NY120 solvent oil, cooling the two to 20-30 ℃, mixing the two together, stirring for reaction, separating out white precipitate, filtering, and drying at 60 ℃ to obtain a crude product; and crystallizing the crude product by using benzene to obtain 2-5 parts of benzotriazole dicyclohexylamine as a white prismatic crystal finished product for later use.

(3) Starting stirring, sequentially adding 20-25 parts of tri-N-butylamine caprylate prepared in the step (1), 5-8 parts of oxidized petroleum fat, 5-8 parts of neutral synthetic calcium sulfonate, 50-65 parts of sorbitol mono-oleate, 5-8 parts of sodium petroleum sulfonate, 2-5 parts of benzotriazole dicyclohexylamine prepared in the step (2) and 10-15 parts of N10 total loss system oil into a blending kettle, heating to 60-70 ℃ after the addition is finished, stirring for 1.5-2 hours under normal pressure, controlling the rotating speed to 90-120 r/min, and filtering and barreling to be qualified after inspection.

Preferably, the specific preparation steps are as follows:

(1) preparation of tri-n-butylamine octanoate: weighing 11.2 parts of tri-n-butylamine, adding into a reaction kettle, adding 8.8 parts of caprylic acid under strong stirring, heating to 60-70 ℃, stirring and reacting for 30min to obtain 20 parts of finished product caprylic acid tri-n-butylamine for later use;

(2) preparation of benzotriazole dicyclohexylamine: dissolving 1.5 parts of benzotriazole in 6.3 parts of dibutyl phthalate, dissolving 2.2 parts of dicyclohexylamine in 6.3 parts of NY120 solvent oil, cooling the two to 20-30 ℃, mixing together, stirring for reaction, separating out white precipitate, filtering, and drying at 60 ℃ to obtain a crude product; crystallizing the crude product by using benzene to obtain 3 parts of benzotriazole dicyclohexylamine finished product of white prismatic crystal for later use.

(3) And (2) starting stirring, sequentially adding 20 parts of tri-N-butylamine caprylate, 5 parts of oxidized petroleum fat, 8 parts of neutral synthetic calcium sulfonate, 50 parts of sorbitol monooleate, 8 parts of sodium petroleum sulfonate, 3 parts of benzotriazole dicyclohexylamine prepared in the step (2) and 12 parts of N10 total loss system oil into a blending kettle, heating to 60-70 ℃, stirring for 1.5-2 hours at normal pressure, controlling the rotating speed at 90-120 r/min, inspecting, filtering and barreling.

The invention has the beneficial effects that:

(1) the invention adopts the substances such as the tri-n-butylamine caprylate, the benzotriazole dicyclohexylamine and the like, and the synthesized high-efficiency gas-phase antirust oil complexing agent has the gas-phase antirust function of ferrous metals and nonferrous metals, and has excellent detergency and corrosion resistance.

(2) The gas-phase rust preventive oil complexing agent is dissolved in various mineral oils, and has gas-phase and oil-phase rust prevention performance, and the rust prevention period is more than two years.

(3) The gas-phase rust preventive oil complexing agent breaks through the situation that foreign companies monopolize the Chinese market for the high-performance gas-phase rust preventive oil complexing agent, fully pushes national branding, autonomy and complexing agent marketization, and changes the condition that the high-performance gas-phase rust preventive oil complexing agent is imported.

(4) The high-efficiency gas-phase rust preventive oil complexing agent is a mixture of organic compounds containing a hydrocarbon chain, and is combustion-supporting, so that the combustion of fuel oil is not obviously influenced.

Detailed description of the preferred embodiments

In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.