阅读说明：本技术 一种钢丝绳润滑脂组合物及其制备方法 (Steel wire rope lubricating grease composition and preparation method thereof ) 是由 李秀蓉 康健 于 2021-09-28 设计创作，主要内容包括：本发明提供了一种钢丝绳润滑脂组合物,以重量份数计,包括：基础油54～65份；稠化剂15～25份；增粘剂15～35份；添加剂1～10份。本发明通过对基础油、稠化剂、增粘剂和添加剂的种类和用量进行优化配比,获得了一种具有高滴点的钢丝绳润滑脂,解决了在高温下存在润滑脂滴落的问题。本发明提供的钢丝绳润滑脂滴点可达95℃以上,从而满足高温使用要求。本发明还提供了一种钢丝绳润滑脂组合物的制备方法。(The invention provides a steel wire rope lubricating grease composition which comprises the following components in parts by weight: 54-65 parts of base oil; 15-25 parts of a thickening agent; 15-35 parts of a tackifier; 1-10 parts of an additive. According to the invention, the steel wire rope lubricating grease with a high dropping point is obtained by optimally proportioning the types and the use amounts of the base oil, the thickening agent, the tackifier and the additive, and the problem of dropping of the lubricating grease at a high temperature is solved. The dropping point of the lubricating grease for the steel wire rope provided by the invention can reach more than 95 ℃, so that the high-temperature use requirement is met. The invention also provides a preparation method of the steel wire rope lubricating grease composition.)

1. A steel wire rope lubricating grease composition comprises the following components in parts by weight:

2. a steel rope grease composition according to claim 1, characterised in that the base oil is selected from one or more of mineral oil and PAO.

3. A steel rope grease composition according to claim 2, wherein the mineral oil has a kinematic viscosity at 100 ℃ of 25mm²More than s.

4. A steel rope grease composition according to claim 1, wherein the thickener is selected from one or both of microcrystalline wax and high molecular wax.

5. A steel rope grease composition according to claim 1, wherein the tackifier is selected from one or more of ethylene propylene copolymer, polyisobutylene and polymethacrylate.

6. The steel wire rope grease composition according to claim 1, wherein the additive is one or more selected from the group consisting of an antioxidant, an extreme pressure agent, an antiwear agent and an antirust agent.

7. The steel wire rope grease composition as claimed in claim 6, wherein the antioxidant is 0.5-3 parts by weight.

8. The steel wire rope grease composition as claimed in claim 6, wherein the extreme pressure agent is present in an amount of 1 to 3 parts by weight.

9. The steel wire rope lubricating grease composition according to claim 6, wherein the antiwear agent is present in an amount of 0.5 to 3 parts by weight;

the weight portion of the antirust agent is 0.5-3.

10. A method of preparing the steel rope grease composition of claim 1, comprising:

and mixing the base oil, the thickening agent, the tackifier and the additive to obtain the steel wire rope lubricating grease composition.

Technical Field

The invention belongs to the technical field of lubrication, and particularly relates to a steel wire rope lubricating grease composition and a preparation method thereof.

Background

With the development of modern industry, the operation condition of the steel wire rope is more and more severe, and the steel wire rope needs to work under a high-temperature condition, so that the requirement on the steel wire rope lubricating grease is more and more severe. However, the existing lubricating grease generally has the problem of low dropping point, so that the dropping point of the steel wire rope lubricating grease needs to be improved, the steel wire rope lubricating grease cannot drop due to melting at high temperature, and the high-temperature use requirement is met.

Disclosure of Invention

In view of the above, the present invention provides a steel wire rope grease composition and a preparation method thereof, and the steel wire rope grease composition provided by the present invention can meet the use requirements under high temperature conditions.

The invention provides a steel wire rope lubricating grease composition which comprises the following components in parts by weight:

preferably, the base oil is selected from one or more of mineral oil and PAO.

Preferably, the mineral oil has a kinematic viscosity at 100 ℃ of 25mm²More than s.

Preferably, the thickening agent is selected from one or two of microcrystalline wax and high molecular wax.

Preferably, the tackifier is selected from one or more of ethylene propylene copolymer, polyisobutylene and polymethacrylate.

Preferably, the additive is selected from one or more of an antioxidant, an extreme pressure agent, an antiwear agent and an antirust agent.

Preferably, the weight part of the antioxidant is 0.5-3 parts.

Preferably, the weight part of the extreme pressure agent is 1-3 parts.

Preferably, the antiwear agent is 0.5-3 parts by weight.

Preferably, the weight part of the antirust agent is 0.5-3 parts.

The invention provides a preparation method of the steel wire rope lubricating grease composition in the technical scheme, which comprises the following steps:

and mixing the base oil, the thickening agent, the tackifier and the additive to obtain the steel wire rope lubricating grease composition.

According to the invention, the steel wire rope lubricating grease with a high dropping point is obtained by optimally proportioning the types and the use amounts of the base oil, the thickening agent, the tackifier and the additive, and the problem of dropping of the lubricating grease at a high temperature is solved. The dropping point of the lubricating grease for the steel wire rope provided by the invention can reach more than 95 ℃, so that the high-temperature use requirement is met.

Detailed Description

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 examples, which may be modified or appreciated by those of ordinary skill in the art based on the examples given herein, are intended to be within the scope of the present invention. It should be understood that the embodiments of the present invention are only for illustrating the technical effects of the present invention, and are not intended to limit the scope of the present invention. In the examples, the methods used were all conventional methods unless otherwise specified.

The invention provides a steel wire rope lubricating grease composition which comprises the following components in parts by weight:

in the present invention, the base oil is preferably 55 to 62 parts by weight, more preferably 58 to 60 parts by weight, and most preferably 59 parts by weight.

In the present invention, the base oil is preferably selected from one or more of mineral oil and PAO (polyalphaolefin).

In the present invention, the mineral oil preferably has a kinematic viscosity at 100 ℃ of 25mm²More preferably 25 to 35 mm/s or more²The most preferable is 28 to 32mm²/s。

In the invention, the thickening agent is preferably 18-22 parts by weight, and more preferably 18 parts by weight.

In the present invention, the thickener is preferably selected from one or both of microcrystalline wax and high molecular wax; the polymeric wax is preferably selected from PE wax and/or OPE wax.

In the invention, the tackifier is preferably 15 to 30 parts by weight, and more preferably 18 to 25 parts by weight.

In the present invention, the tackifier is preferably selected from one or more of ethylene propylene copolymer, polyisobutylene and polymethacrylate, more preferably one or two of ethylene propylene copolymer, polyisobutylene and polymethacrylate.

In the invention, the weight part of the additive is preferably 2-8 parts, more preferably 3-6 parts, and most preferably 4-5 parts.

In the present invention, the additive is preferably selected from one or more of an antioxidant, an extreme pressure agent, an antiwear agent and a rust inhibitor, and more preferably includes an antioxidant, an extreme pressure agent, an antiwear agent and a rust inhibitor.

In the invention, the weight part of the antioxidant is preferably 0.5-3 parts, more preferably 1-2.5 parts, and most preferably 1.5-2 parts.

In the present invention, the antioxidant is preferably selected from one or more of amine antioxidants and phenol antioxidants; more preferably diphenylamine.

In the invention, the weight part of the extreme pressure agent is preferably 1 to 3 parts, more preferably 1.5 to 2.5 parts, and most preferably 2 parts.

In the present invention, the extreme pressure agent is preferably selected from one or more of sulfur-phosphorus-based extreme pressure agents, more preferably sulfurized isobutylene.

In the invention, the weight part of the antiwear agent is preferably 0.5-3 parts, more preferably 1-2.5 parts, and most preferably 1.5-2 parts.

In the present invention, the antiwear agent is preferably one or more selected from phosphorus-containing type antiwear agents, more preferably zinc dialkylthiophosphate.

In the invention, the weight part of the antirust agent is preferably 0.5-3 parts, more preferably 1-2.5 parts, and most preferably 1.5-2 parts.

In the present invention, the rust inhibitor is preferably one or more selected from sulfonate-based rust inhibitors, and more preferably barium petroleum sulfonate.

The invention provides a preparation method of the steel wire rope lubricating grease composition in the technical scheme, which comprises the following steps:

and mixing the base oil, the thickening agent, the tackifier and the additive to obtain the steel wire rope lubricating grease composition.

In the present invention, the method of mixing preferably comprises:

mixing base oil, a thickening agent and a tackifier to obtain a mixture;

and mixing the mixture and the additive to obtain the steel wire rope lubricating grease composition.

In the invention, the mixing temperature of the base oil, the thickening agent and the tackifier is preferably 130-150 ℃, more preferably 135-145 ℃, and most preferably 140 ℃; the mixing time is preferably 1.5 to 2 hours, and more preferably 1.6 to 1.8 hours.

In the invention, the temperature for mixing the mixture and the additive is preferably 90-110 ℃, more preferably 95-105 ℃, and most preferably 100 ℃.

The steel wire rope lubricating grease composition provided by the invention can be used for lubricating steel wire ropes in the industries of heavy industry, port machinery and the like.

According to the invention, the steel wire rope lubricating grease with a high dropping point is obtained by optimally proportioning the types and the use amounts of the base oil, the thickening agent, the tackifier and the additive, and the problem of dropping of the lubricating grease at a high temperature is solved. The dropping point of the lubricating grease for the steel wire rope provided by the invention can reach more than 95 ℃, so that the high-temperature use requirement is met.

Example 1

Adding 59 parts by weight of mineral oil (majestic petrochemical), 18 parts by weight of PE wax (Nanjing Tianshi) and 23 parts by weight of tackifier (ethylene-propylene copolymer, Lubomoisten) into a reaction kettle, stirring and heating to 140 ℃, and keeping the temperature for 1.5-2 hours; after the constant temperature is finished, the temperature is reduced to about 100 ℃, and 1.5 parts of additive diphenylamine (West Gansu chemical test), 2 parts of T202 (zinc dialkyl thiophosphate, Xinxiang Ruifeng), 1.5 parts of T321 (sulfurized isobutylene, Shenyang Feida) and 1.5 parts of barium petroleum sulfonate (Suzhou Sanli) are added to obtain the surface grease of the steel wire rope.

The performance of the surface grease of the steel wire rope prepared in the embodiment 1 of the invention is detected according to the following method, and the detection result is as follows:

example 2

59 parts of mineral oil (named Mao petrochemical), 18 parts of OPE wax (Nanjing Tianshi) and 23 parts of tackifier (ethylene-propylene copolymer, Lubomoisten) are added into a reaction kettle in parts by weight, stirred and heated to 140 ℃, and the temperature is kept constant for 1.5-2 hours. After the constant temperature is finished, the temperature is reduced to about 100 ℃, and 1.5 parts of additive diphenylamine (West Gansu chemical test), 2 parts of T202 (zinc dialkyl thiophosphate, Xinxiang Ruifeng), 1.5 parts of T321 (sulfurized isobutylene, Shenyang Feida) and 1.5 parts of barium petroleum sulfonate (Suzhou Sanli) are added to obtain the surface grease of the steel wire rope.

The performance of the surface grease of the steel wire rope prepared in the embodiment 2 of the invention is detected according to the following method, and the detection result is as follows:

example 3

57 parts of mineral oil (Mount Ma petrochemical), 9 parts of PE wax (Nanjing Tianshi), 9 parts of No. 90 microcrystalline wax (Shandong Haoyao new material) and 25 parts of tackifier (ethylene-propylene copolymer, Lubomoisten) are added into a reaction kettle in parts by weight, stirred and heated, the temperature is raised to 140 ℃, and the constant temperature is kept for 1.5-2 hours. After the constant temperature is finished, the temperature is reduced to about 100 ℃, and 1.5 parts of additive diphenylamine (West Gansu chemical test), 2 parts of T202 (zinc dialkyl thiophosphate, Xinxiang Ruifeng), 1.5 parts of T321 (sulfurized isobutylene, Shenyang Feida) and 1.5 parts of barium petroleum sulfonate (Suzhou Sanli) are added to obtain the surface grease of the steel wire rope.

The performance of the surface grease of the steel wire rope prepared in the embodiment 3 of the invention is detected according to the following method, and the detection result is as follows:

according to the embodiments, the steel wire rope lubricating grease with the high dropping point is obtained by optimally proportioning the types and the using amounts of the base oil, the thickening agent, the tackifier and the additive, and the problem of dropping of the lubricating grease at high temperature is solved. The dropping point of the lubricating grease for the steel wire rope provided by the invention can reach more than 95 ℃, so that the high-temperature use requirement is met.

While only the preferred embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.