Quick-drying antirust agent and application thereof

Abstract

The invention discloses a quick-drying antirust agent and application thereof, and belongs to the technical field of antirust agents. The composition is prepared from the following raw materials in parts by weight: 12-25 parts of 32 # hydraulic oil, 55-70 parts of 120 # white gasoline and 15-25 parts of barium petroleum sulfonate. The invention has the following advantages: (1) the components are simple, and on-site configuration is easy; (2) sweat stains and water stains on the surface of the part can be obviously removed; (3) the product has a good oil-water separation effect, is not easy to emulsify after oil-water separation, can discharge water regularly, can be continuously used after the antirust agent is supplemented regularly, and is very convenient to use; (4) the antirust effect and the salt mist resistance are better; (5) the treatment mode of the parts is simple, only soaking and draining are needed, and the parts do not need to be specially dried; and (6) the antirust agent has a quick-drying effect, drying can be realized while oil is drained, the antirust treatment time can be shortened, and the working efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of rust inhibitors, and in particular to a quick-drying rust inhibitor and application thereof. Background Art

[0002] Rust is one of the main forms of damage to metal parts, which can cause great losses to cars, motorcycles, and various vehicles and machinery. The direct economic losses caused by metal corrosion account for a large proportion of the national economic output value each year. In order to avoid rust and reduce losses, people have adopted various methods, and using rust inhibitors to protect metal parts is one of the most common protection methods.

[0003] After the rust prevention treatment, the rust prevention on the surface of the parts needs to be dried and then packaged. In the prior art, the drying process of the rust inhibitor takes at least ten minutes. The long drying process not only reduces the work efficiency, but also the floating dust in the factory is easy to adhere to the surface of the rust inhibitor. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a quick-drying rust inhibitor and its application, which has a very fast drying time and can usually be dried while draining. The technical solution is as follows: On the one hand, the present invention provides a quick-drying rust inhibitor, which is made of the following raw materials in parts by weight: 12-25 parts of 32# hydraulic oil, 55-70 parts of 120# white oil and 15-25 parts of petroleum barium sulfonate.

[0005] Preferably, the quick-drying rust inhibitor provided by the present invention is made of the following raw materials in parts by weight: 20 parts of 32# hydraulic oil, 60 parts of 120# white oil and 20 parts of petroleum barium sulfonate.

[0006] On the other hand, the embodiments of the present invention also provide the use of the aforementioned quick-drying rust inhibitor in steel parts and cast iron parts.

[0007] The anti-rust treatment process is as follows: soak the parts to be treated with anti-rust in a quick-drying anti-rust agent for 3-5 minutes, take them out, and then drain the anti-rust agent on the surface (without obvious oil drops). There is no need to dry them. After draining the anti-rust agent, they can be directly packaged with plastic film.

[0008] Specifically, the draining time is 2-6 minutes.

[0009] More specifically, the parts to be treated with rust prevention are placed on a perforated partition in the container for immersion, and the parts after rust prevention are placed on an oil draining platform for oil draining. The container is a conical container that is larger at the top and smaller at the bottom, wherein a perforated partition is provided at the bottom, a drain port is provided at the bottom, and an oil draining platform is provided on the side of the upper part. The rust inhibitor on the oil draining platform can flow back to the container. When the water phase in the container is greater than the first predetermined amount, the drain port is opened for drainage. The debris at the bottom of the container can also be discharged regularly through the drain port. When the rust inhibitor in the container is less than the second predetermined amount, the rust inhibitor is replenished. The first predetermined amount and the second predetermined amount can be set as needed, and can usually be judged by the liquid level; therefore, a liquid level gauge can be provided on the container.

[0010] The present invention has the following advantages: (1) The ingredients are simple and easy to prepare on site. It can be prepared within 10 minutes by stirring and mixing at room temperature.

[0011] (2) It can significantly remove sweat marks (sweat marks may form on the surface of parts during processing and transfer) and water marks (coolant, cutting fluid, etc. are usually used when parts are cut, drilled, etc.) on the surface of parts.

[0012] (3) The product has good oil-water separation effect. It is not easy to emulsify after oil-water separation. It only needs to be drained regularly and the rust inhibitor can be added regularly for continued use without replacement. It is very convenient to use.

[0013] (4) It has good anti-rust effect (humidity and heat test is greater than or equal to 25 days) and salt spray resistance (salt spray test is greater than or equal to 48 hours).

[0014] (5) The parts can be easily processed by simply soaking and draining, without the need to dry the parts specifically.

[0015] (6) This rust inhibitor has a quick-drying effect and can be dried while draining the oil (the drying time of this patent is usually less than 2 minutes), which can reduce the rust prevention treatment time, improve work efficiency, and reduce the adhesion of dust on the surface of parts; in addition, the rust inhibitor of this patent has a low viscosity, which can further reduce the adhesion of dust. DETAILED DESCRIPTION

[0016] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention are described in further detail below.

[0017] Example 1 Example 1 provides a quick-drying rust preventive, which is made from the following raw materials: 200 kg of 32# hydraulic oil, 600 kg of 120# white oil and 200 kg of petroleum barium sulfonate. The three raw materials are stirred and mixed at room temperature for 8 minutes to obtain the product.

[0018] The above-mentioned quick-drying rust preventive was tested using the following standards: appearance: visual inspection, flash point: flash point tester, kinematic viscosity: kinematic viscosity meter, wet heat test: GB / T2361-92, salt spray test: SH / T 0081-92; the results are shown in Table 1: Table 1

[0019] It can be seen from Table 1 that the rust inhibitor of this patent has an anti-rust effect that meets the requirements of national standards, has a very low viscosity and a very short drying time, and has a very good water absorption effect.

[0020] Example 2-3 The proportions of the three raw materials in Example 2-3 are shown in Table 2: Table 2

[0021] 1. Oil-water separation test Test group S101: the rust inhibitor of Example 1 was mixed with water at a volume ratio of 20:1 and slowly stirred at 25°C for 72h; Test group S102: the rust inhibitor of Example 1 was mixed with water at a volume ratio of 10:1 and slowly stirred at 25°C for 72h; Test group S103: The rust inhibitor of Example 1 was mixed with water at a volume ratio of 20:1 and slowly stirred at 40° C. for 72 h.

[0022] After testing, there was no emulsification phenomenon in the test groups S101-S103; after stopping the stirring, the layers were allowed to stand for 10 minutes and then separated into distinct layers.

[0023] 2. Sweat removal test Test group S201: The test piece was a 10 cm*10 cm stainless steel plate. Before rust removal, the operator operated without wearing gloves, and intentionally formed 25 sweat fingerprints on the surface (the fingerprints did not overlap). The rust inhibitor provided in Example 1 was used for treatment for 3 minutes. After the soaking was completed, the operator wore clean gloves for operation.

[0024] Test group S202: The test piece was a 10 cm*10 cm cast iron plate. Before rust removal, the operator operated without wearing gloves, and intentionally formed 25 sweat fingerprints on the surface (the fingerprints did not overlap). The rust inhibitor provided in Example 1 was used for treatment for 3 minutes. After the soaking was completed, the operator wore clean gloves for operation.

[0025] Test group S203: The test piece was a 10cm*10cm stainless steel plate. Before rust removal, the operator operated without wearing gloves. 25 sweat fingerprints were intentionally formed on the surface (the fingerprints did not overlap). The plate was treated with a commercially available rust inhibitor for 3 minutes. After the soaking, the operator wore clean gloves to operate.

[0026] After visual inspection, there were no fingerprints on the surface of the test pieces in test groups S201-S202 after treatment, and the sweat removal rate was 100%; however, there were still fingerprints on the surface of the test pieces in test group S203 after treatment.

[0027] 3. Water stain removal test Test group S301: The test piece was a 10cm*10cm stainless steel plate. Before rust removal, water marks (using tap water) were smeared on one side of the test piece. The area of ​​the water marks accounted for 40-50% of the area of ​​the surface of the test piece. When the boundary of the water marks was obvious and the water marks were not dry, the rust inhibitor provided in Example 1 was used for treatment for 1 minute.

[0028] Test group S302: The test piece was a 10cm*10cm cast iron plate. Before rust removal, water marks (using groundwater) were applied on both sides of the test piece. The area of ​​the water marks accounted for 40-50% of the area of ​​the surface of the test piece. When the boundary of the water marks was obvious and the water marks were not dry, the rust inhibitor provided in Example 1 was used for treatment for 1 minute.

[0029] Visual inspection shows that no water marks remain on the surface of the parts treated with S301-S302 in the test group. The dehydration effect is very good.

[0030] 4. Rust Inhibitor Reuse Test A transparent conical container was used, the rust preventive of Example 1 was used, the material of the test piece was cast iron, and the test method was in accordance with the national standard; the liquid level of the rust preventive exceeded 3 / 4 of the height of the container, the partition was set at 1 / 4 of the height of the container, and the water was discharged when the water phase rose to 1 / 8 of the container (the solid matter at the bottom of the container was discharged regularly), and the rust preventive was added when the liquid level of the rust preventive was lower than 1 / 2 of the height of the container; the state of the rust preventive was visually inspected when adding 5, 10 and 15 times, and the rust preventive effect of the rust preventive was tested by sampling. The effect is shown in Table 3: Table 3

[0031] As can be seen from Table 3, the rust inhibitor of this patent can be used repeatedly for a very long time, and only needs to be drained and added regularly. After long-term use, the rust inhibitor is not turbid, the oil-water separation effect is good, and the product quality is stable.

[0032] V. Comparative Experiment Comparative Example 1: 6# white oil was used to replace 120# white oil, and the other processes were the same as those in Example 1; Comparative Example 2: Using the anti-rust oil of Example 1 of Patent 202310740882.4; Comparative Example 3: No addition of petroleum barium sulfonate; Comparative Example 4: Sodium petroleum sulfonate was used to replace barium petroleum sulfonate, and the other processes were the same as those in Example 1; Commercially available products: Purchased commercially available rust inhibitor containing barium petroleum sulfonate (general type, according to the instructions, it contains at least 8 ingredients).

[0033] The testing process refers to the national standard, and the results are shown in Table 4: Table 4

[0034] As can be seen from Table 4, in this patent, due to the very simple ingredients, in the system of this patent, only the combination of hydraulic oil and petroleum barium sulfonate can have a good anti-rust effect. As can be seen from Table 4, the main anti-rust ingredient is petroleum barium sulfonate. As can be seen from Table 4, the rust inhibitor of this patent is slightly worse than the commercially available product, with a difference of less than 10%; but the drying time is only 1 / 5 of the commercially available product, which can save a lot of time. As can be seen from Table 4, in the system of this patent, 120# white oil can not only improve the anti-rust effect, but also significantly reduce the drying time and viscosity.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Quick-drying rust inhibitor, characterized in that: The invention is prepared from the following raw materials in parts by weight: 12-25 parts of 32# hydraulic oil, 55-70 parts of 120# white oil and 15-25 parts of petroleum barium sulfonate.

2. The quick-drying rust inhibitor according to claim 1, characterized in that: The invention is prepared from the following raw materials in parts by weight: 20 parts of 32# hydraulic oil, 60 parts of 120# white oil and 20 parts of petroleum barium sulfonate.

3. Use of the quick-drying rust inhibitor according to any one of claims 1 to 2 in steel parts and cast iron parts.

4. The use according to claim 3, characterized in that: The anti-rust treatment process is: soak the parts to be treated with anti-rust in a quick-drying rust inhibitor for 3-5 minutes, then take them out and drain the rust inhibitor on the surface without drying.

5. The use according to claim 4, characterized in that: After draining the rust inhibitor, directly use plastic film to package.

6. The use according to claim 4, characterized in that: Drain time is 2-6 minutes.

7. The use according to claim 4, characterized in that: The parts to be treated with rust prevention are placed on a perforated partition in the container for immersion, and the parts after rust prevention are placed on an oil draining platform for oil draining; The container is a conical container that is larger at the top and smaller at the bottom, wherein a perforated partition is provided at the bottom, a drain port is provided at the bottom, and an oil drainage platform is provided on the side of the upper part; the rust inhibitor on the oil drainage platform can flow back to the container; when the water phase in the container is greater than a first predetermined amount, the drain port is opened for drainage; when the rust inhibitor in the container is less than a second predetermined amount, the rust inhibitor is replenished.

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