阅读说明：本技术 一种高效无灰液压油复合剂组合物及其制备方法 (Efficient ashless hydraulic oil complexing agent composition and preparation method thereof ) 是由 蔺国兴 于 2020-12-14 设计创作，主要内容包括：本发明提供了一种高效无灰液压油复合剂组合物及其制备方法,其中,高效无灰液压油复合剂组合物,包括以下重量份组分：抗氧剂25～35份,抗磨剂50～60份,防锈剂4～15份,基础油3～8份。通过本发明的技术方案,配制的高效无灰液压油复合剂组合物可用于调合无灰型抗磨液压油,且具有较好的抗磨及抗氧化性能。而且本发明提到的高效无灰液压油复合剂组合物原料易得,原料较为普遍。(The invention provides a high-efficiency ashless hydraulic oil complexing agent composition and a preparation method thereof, wherein the high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 25-35 parts of an antioxidant, 50-60 parts of an antiwear agent, 4-15 parts of an antirust agent and 3-8 parts of base oil. By adopting the technical scheme of the invention, the prepared high-efficiency ashless hydraulic oil complexing agent composition can be used for blending ashless anti-wear hydraulic oil and has better anti-wear and anti-oxidation properties. In addition, the high-efficiency ashless hydraulic oil complexing agent composition provided by the invention has the advantages that the raw materials are easily available and are common.)

1. The high-efficiency ashless hydraulic oil complexing agent composition is characterized by comprising the following components in parts by weight:

25-35 parts of antioxidant

50-60 parts of antiwear agent

4-15 parts of antirust agent

3-8 parts of base oil.

2. The high efficiency ashless hydraulic oil complexing agent composition according to claim 1, wherein,

the antiwear agent is a mixture, and the mixture comprises 25 parts of tricresyl phosphate, 20 parts of isooctyl acid phosphate ester octadecyl ammonium salt, 25 parts of butyl octyl sulfur phosphate acrylate and 30 parts of amino sulfo-fat.

3. The high efficiency ashless hydraulic oil complexing agent composition according to claim 1, wherein,

the antioxidant is a composite antioxidant, and can comprise 30 parts of alkyl diphenylamine, 30 parts of 2, 6-di-tert-butylphenol, 10 parts of 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol and 30 parts of N, N' -di-N-butylamino methylene benzotriazole.

4. The high efficiency ashless hydraulic oil complexing agent composition according to claim 1, wherein,

the antirust agent is benzotriazole octadecylamine salt which is in a liquid state.

5. The high efficiency ashless hydraulic oil complexing agent composition according to claim 1, wherein,

the base oil is low-viscosity paraffin base oil, wherein the content of saturated hydrocarbon is more than or equal to 93, and the viscosity index is more than or equal to 100.

6. The high efficiency ashless hydraulic oil complexing agent composition according to claim 1, wherein,

the alkyl diphenylamine antioxidant can be any one of butyl octyl diphenylamine or bisoctyl diphenylamine.

7. A preparation method of the high-efficiency ashless hydraulic oil complexing agent composition, which is applicable to the high-efficiency ashless hydraulic oil complexing agent composition of any one of claims 1 to 6, is characterized by comprising the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling.

Technical Field

The invention relates to the technical field of lubricating oil additives, and particularly relates to a high-efficiency ashless hydraulic oil complexing agent composition and a preparation method of the high-efficiency ashless hydraulic oil complexing agent composition.

Background

In recent years, the domestic industrial oil market is gradually expanded, the product types are more and more, and the product quality requirement is higher and higher. With the increase of the types of hydraulic equipment and the diversification of use conditions, domestic hydraulic oil terminal users put higher requirements on the performance of hydraulic oil products. In some hydraulic equipment with high precision or in contact with silver-containing parts, since ash-containing hydraulic oil causes damage to the equipment, an ash-free anti-wear hydraulic oil product must be used, and therefore, the development of a high-performance ash-free anti-wear hydraulic oil product is urgently needed.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

The ashless hydraulic oil compounding agent is prepared by blending the components, and the hydraulic oil can still meet the requirements of equipment on wear resistance, oxidation resistance and the like on the premise of not using an ash additive. Through a large number of tests, the invention aims to provide a high-efficiency ashless hydraulic oil complexing agent composition and a preparation method of the high-efficiency ashless hydraulic oil complexing agent composition.

In order to achieve the above object, the invention provides a high-efficiency ashless hydraulic oil composition, which comprises the following components in parts by weight: 25-35 parts of antioxidant, 50-60 parts of antiwear agent, 4-15 parts of antirust agent and 3-8 parts of base oil.

Preferably, the antiwear agent is a mixture which comprises 25 parts of tricresyl phosphate, 20 parts of isooctyl acid phosphate ester octadecyl ammonium salt, 25 parts of butyl octyl sulfur phosphate acrylate and 30 parts of amino sulfo-fat.

Preferably, the antioxidant is a composite antioxidant, and can comprise 30 parts of alkyl diphenylamine, 30 parts of 2, 6-di-tert-butylphenol, 10 parts of 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol and 30 parts of N, N' -di-N-butylaminomethylene benzotriazole.

Preferably, the antirust agent is benzotriazole octadecylamine salt which is liquid.

Preferably, the base oil is a low viscosity paraffin-based base oil, wherein the saturated hydrocarbon content is more than or equal to 93, and the viscosity index is more than or equal to 100.

Preferably, the alkyl diphenylamine antioxidant can be any one of butyl octyl diphenylamine or bisoctyl diphenylamine.

In the technical scheme, the raw materials for preparing the high-efficiency ashless hydraulic oil complexing agent composition are common, do not contain metal elements and have less ash content. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention can be dissolved in various mineral oils, has good sensitivity to various mineral oils, and simultaneously greatly improves the oxidation resistance and the wear resistance of various mineral oils, and when the high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is added into mineral oil base oil, the diameter of a wear scar can be reduced to 0.43mm, and the oxidation resistance rotating oxygen bomb time can reach more than 1000 minutes.

The technical scheme of the second aspect of the invention also provides a preparation method of the high-efficiency ashless hydraulic oil complexing agent composition, which comprises the following steps: weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling.

In the technical scheme, the preparation method of the high-efficiency ashless hydraulic oil complexing agent composition is simple, the process is simple, the operability is strong, and the wide-range popularization and use are facilitated.

The rotating speed of stirring can be 80 r/min; the product is uniformly stirred with 150N base oil at normal temperature according to the addition amount of 0.8 percent, and the mixture is transparent and is judged to be qualified after no turbidity exists.

Through the technical scheme, (1) raw materials for preparing the high-efficiency ashless hydraulic oil complexing agent composition are common. (2) The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention can be dissolved in various mineral oils, has good sensitivity to various mineral oils, and simultaneously greatly improves the antioxidant and antiwear capacities of various mineral oils. (3) The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is blended into hydraulic oil and has excellent anti-emulsification effect. (4) The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared into hydraulic oil, and the composition has no adverse effect on the rubber compatibility of the whole oil product.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Detailed Description

The invention discloses a high-efficiency ashless hydraulic oil complexing agent composition and a preparation method thereof, and a person skilled in the art can realize the composition by appropriately improving process parameters by referring to the content. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.

The invention is further illustrated by the following examples:

example 1

The high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 25 parts of antioxidant, 60 parts of antiwear agent, 7 parts of antirust agent and 8 parts of base oil.

The preparation method of the high-efficiency ashless hydraulic oil complexing agent composition comprises the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared.

The high-efficiency ashless hydraulic oil complexing agent composition prepared in the above way is added into 150N base oil at the dosage of 0.8% for test, and the test results are shown in Table 1.

Example 2

The high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 35 parts of antioxidant, 50 parts of antiwear agent, 7 parts of antirust agent and 8 parts of base oil.

The preparation method of the high-efficiency ashless hydraulic oil complexing agent composition comprises the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared.

The high-efficiency ashless hydraulic oil complexing agent composition prepared in the above way is added into 150N base oil at the dosage of 0.8% for test, and the test results are shown in Table 1.

Example 3

The high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 35 parts of antioxidant, 50 parts of antiwear agent, 12 parts of antirust agent and 3 parts of base oil.

The preparation method of the high-efficiency ashless hydraulic oil complexing agent composition comprises the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared.

The high-efficiency ashless hydraulic oil complexing agent composition prepared in the above way is added into 150N base oil at the dosage of 0.8% for test, and the test results are shown in Table 1.

Example 4

The high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 33 parts of antioxidant, 60 parts of antiwear agent, 4 parts of antirust agent and 3 parts of base oil.

The preparation method of the high-efficiency ashless hydraulic oil complexing agent composition comprises the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared.

The high-efficiency ashless hydraulic oil complexing agent composition prepared in the above way is added into 150N base oil at the dosage of 0.8% for test, and the test results are shown in Table 1.

Example 5

The high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 26 parts of antioxidant, 51 parts of antiwear agent, 15 parts of antirust agent and 8 parts of base oil.

The preparation method of the high-efficiency ashless hydraulic oil complexing agent composition comprises the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared.

The high-efficiency ashless hydraulic oil complexing agent composition prepared in the above way is added into 150N base oil at the dosage of 0.8% for test, and the test results are shown in Table 1.

Example 6

The high-efficiency ashless hydraulic oil complexing agent composition comprises the following components in parts by weight: 30 parts of antioxidant, 52 parts of antiwear agent, 15 parts of antirust agent and 3 parts of base oil.

The preparation method of the high-efficiency ashless hydraulic oil complexing agent composition comprises the following steps:

weighing the materials according to the formula ratio, starting a reaction kettle for stirring, sequentially adding the base oil, the antiwear agent, the antioxidant and the antirust agent, and heating to 50-60 ℃; stirring for 1.5-2 h under normal pressure, cooling to room temperature after inspection, filtering and barreling. The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is prepared.

The high-efficiency ashless hydraulic oil complexing agent composition prepared in the above way is added into 150N base oil at the dosage of 0.8% for test, and the test results are shown in Table 1.

After the oil products prepared by using the high-efficiency ashless hydraulic oil complexing agent compositions provided by the embodiments 1 to 6 of the invention are tested, the test results are shown in the following table 1,

the test method SH/T0193 specifically comprises the steps of putting a sample, water and a copper catalyst coil into a glass sample holder with a cover, and placing the glass sample holder in an oxygen bomb provided with a pressure gauge. The oxygen bomb was charged with oxygen at a pressure of 620kpa, and placed in a specified constant temperature oil bath to be axially rotated at an angle of 30 ° to the horizontal plane at a speed of 100 r/min. The time (min) required for the test to reach the specified pressure drop is the oxidation stability of the sample.

Test method GB/T7305 specifies that a measuring cylinder is filled with 40ml of sample and 40ml of distilled water and stirred at 54 ℃ or 82 ℃ for 5min, and the time required for the emulsion to separate is recorded. After resting for 30min or 60min, if the emulsion did not separate completely, or the emulsion layer did not decrease to 3ml or less, then the volume of the oil, water and emulsion layers at this point is recorded.

The test method SH/T0189 is characterized in that three steel balls with the diameter of 12.7mm are clamped in an oil box and covered by supplemented oil, and another steel ball with the same diameter is placed at the top of the three balls and is acted by 147N or 392N force to form three-point contact. And when the test oil reaches a certain temperature, the top ball rotates for 60min at a certain rotating speed, and the wear resistance of the test oil is evaluated by the average value of the wear-scar diameters of the following three balls.

Application example 1

The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is added into base oil according to the proportion of 0.85 percent and is uniformly mixed according to the following oil mixing scheme.

Components	Proportioning
		150N base oil	60％
500N base oil	40％
		Ashless hydraulic oil complexing agent	0.85％
Pour point depressant T6012	0.5％
		Anti-foaming agent 1#	20ppm

Application example 2

The high-efficiency ashless hydraulic oil complexing agent composition provided by the invention is added into base oil according to the proportion of 0.85 percent and is uniformly mixed according to the following oil mixing scheme.

Components	Proportioning
		150N base oil	20％
500N base oil	80％
		Ashless hydraulic oil complexing agent	0.85％
Pour point depressant T6012	0.5％
		Anti-foaming agent 1#	20ppm

The samples obtained in application example 1 and application example 2 were tested, and the test results are shown in table 2 below:

the test results obtained in application examples 1 and 2 show that the high-efficiency ashless hydraulic oil complexing agent composition provided by the invention can obviously improve the oxidation stability and the wear resistance of the base oil when added into mineral oil.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.