阅读说明：本技术 一种抗氧体系极压抗磨自修复润滑油添加剂及其制备方法 (Antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive and preparation method thereof ) 是由 沙彦明 于 2020-12-18 设计创作，主要内容包括：本发明公开的属于润滑油添加剂技术领域,具体为一种抗氧体系极压抗磨自修复润滑油添加剂及其制备方法,抗氧体系极压抗磨自修复润滑油添加剂包括抗氧剂、极压抗磨剂、聚异丁烯丁二酰亚胺和有机钼,抗氧体系极压抗磨自修复润滑油添加剂的制备方法包括粉末的过滤和混合、液体混合和液体的过滤,将抗氧剂、极压抗磨剂、聚异丁烯丁二酰亚胺和有机钼放入搅拌机中进行加热搅拌,可以方便抗氧剂、极压抗磨剂、聚异丁烯丁二酰亚胺和有机钼的充分混合,对混合粉末进行过滤可以避免大颗粒的粉末进入混合液体,对混合液体进行过滤可以将混合搅拌时因颗粒粘结而出现的大颗粒过滤,从而避免润滑油添加剂中出现大颗粒物质。(The invention discloses an antioxidant system extreme pressure anti-wear self-repair lubricant additive and a preparation method thereof, belonging to the technical field of lubricant additives, the antioxidant system extreme pressure anti-wear self-repair lubricant additive comprises an antioxidant, an extreme pressure anti-wear agent, polyisobutylene succinimide and organic molybdenum, the preparation method of the antioxidant system extreme pressure anti-wear self-repair lubricant additive comprises the filtration and mixing of powder, the mixing of liquid and the filtration of liquid, the antioxidant, the extreme pressure anti-wear agent, polyisobutylene succinimide and organic molybdenum are put into a mixer for heating and stirring, the full mixing of the antioxidant, the extreme pressure anti-wear agent, polyisobutylene succinimide and organic molybdenum can be convenient, the filtration of mixed powder can avoid large-particle powder from entering the mixed liquid, the filtration of the mixed liquid can filter large particles caused by particle bonding during mixing and stirring, thereby avoiding the occurrence of large particulate matter in the lubricating oil additive.)

1. An antioxidant extreme pressure antiwear self-repairing lubricating oil additive is characterized in that: the antioxidant system extreme pressure antiwear self-repairing lubricating oil additive comprises an antioxidant, an extreme pressure antiwear agent, polyisobutylene succinimide and organic molybdenum, wherein the antioxidant comprises organic copper, polyisobutylene, bisphenol monoacrylate and dihydromyricetin, the extreme pressure antiwear agent comprises trialkyl borate, zinc borate, aryl phosphate, sulfurized isobutylene and chlorinated paraffin, the organic molybdenum comprises molybdenum dialkyl dithiocarbamate and molybdenum alkyl salicylate, the mass fraction of the antioxidant is 36% -43%, the mass fraction of the extreme pressure antiwear agent is 42% -52.5%, the mass fraction of the polyisobutylene succinimide is 10% -15%, and the mass fraction of the organic molybdenum is 1-5% o.

2. The antioxidant extreme pressure antiwear self-repairing lubricating oil additive as claimed in claim 1, wherein: the mass ratio of the organic copper to the polyisobutenyl to the bisphenol monoacrylate to the dihydromyricetin is 1-3: 2-5: 7-12: 4 to 18.

3. The antioxidant extreme pressure antiwear self-repairing lubricating oil additive as claimed in claim 1, wherein: the mass ratio of the trialkyl borate to the zinc borate to the aryl phosphate to the sulfurized isobutylene to the chlorinated paraffin is 3-17: 2-13: 5-7: 3-5: 4 to 9.

4. The antioxidant extreme pressure antiwear self-repairing lubricating oil additive as claimed in claim 1, wherein: the mass ratio of the molybdenum dialkyl dithiocarbamate to the molybdenum alkyl salicylate is (1-4): 2 to 7.

5. The antioxidant extreme pressure antiwear self-repairing lubricating oil additive as claimed in claim 1, wherein: the organic copper is one or two of copper sulfate compound and copper salt calcium sulfonate compound.

6. The antioxidant extreme pressure antiwear self-repairing lubricating oil additive as claimed in claim 5, wherein: the mass ratio of the copper sulfate compound to the copper salt and calcium sulfonate compound is 3: 7.

7. a preparation method of the antioxidant system extreme pressure antiwear self-repairing lubricating oil additive as defined in any one of claims 1 to 7, which is characterized in that: the preparation method of the antioxidant system extreme pressure antiwear self-repairing lubricating oil additive comprises the following steps:

the method comprises the following steps: grinding organic copper, zinc borate and organic molybdenum respectively by using a grinding machine, filtering the organic copper, zinc borate and organic molybdenum powder respectively after grinding, and putting the organic copper, zinc borate and organic molybdenum powder into a powder stirring machine for mixing according to the mass ratio after filtering;

step two: adding a polyisobutenyl group into a liquid stirring machine, heating the liquid stirring machine to 40-50 ℃, adding aryl phosphate and trialkyl borate into the liquid stirring machine, stirring, heating the liquid stirring machine to 60-80 ℃ for 10min, adding bisphenol monoacrylate into the liquid stirring machine, stirring, heating the liquid stirring machine to 85-90 ℃ after 8-12 min, adding chlorinated paraffin into the liquid stirring machine, stirring, adding the mixed powder obtained in the step I into the liquid stirring machine after the chlorinated paraffin is completely dissolved, adding polyisobutylene succinimide into the liquid stirring machine, cooling the liquid stirring machine to 45-60 ℃ after 30-40 min, adding dihydromyricetin and sulfurized isobutylene into the liquid stirring machine, stirring, and discharging the mixed liquid of the liquid stirring machine after 15-20 min;

step three: and D, filtering the mixed liquid discharged in the step two, wherein the filtered liquid is the lubricating oil additive.

8. The preparation method of the antioxidant extreme pressure antiwear self-repairing lubricating oil additive according to claim 7, characterized in that: the particle diameter of the mixed powder after filtration in the step one is less than 0.3um, and the particle diameter of the lubricating oil additive in the step three is less than 0.4 um.

Technical Field

The invention relates to the technical field of lubricating oil additives, in particular to an antioxidant system extreme pressure antiwear self-repairing lubricating oil additive and a preparation method thereof.

Background

Lubricating oil additives are compounds added to lubricating oils to impart new properties to the lubricating oil or to improve some of the properties already present in the lubricating oil. The additive mainly comprises antioxidant, antiwear agent, friction modifier (oiliness agent), extreme pressure additive, detergent, dispersant, foam inhibitor, anticorrosion and antirust agent, pour point improver, viscosity index improver and the like according to functions. The additives sold in the market are generally composite products of the above single additives, and the difference is that the components of the single additives are different and the proportion of the single additives in the composite additives is different.

The existing antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive is only prepared by simply mixing a plurality of single lubricating oil additives, and a plurality of lubricating oil additives cannot be fully fused, so that the lubricating oil additive is difficult to generate corresponding effects.

Disclosure of Invention

The invention aims to provide an antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive and a preparation method thereof, and aims to solve the problem that the existing antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive in the background art has poor effect.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anti-oxidant system extreme pressure self-repairing lubricating oil additive that wear-resistants that extreme pressure includes anti-oxidant, extreme pressure antiwear agent, polyisobutylene succinimide and organo molybdenum, anti-oxidant includes organocopper, polyisobutenyl, bisphenol monoacrylate and dihydromyricetin, extreme pressure antiwear agent includes trialkyl borate, zinc borate, aryl phosphate, sulfurized isobutylene and chlorinated paraffin, organo molybdenum includes dialkyl molybdenum dithiocarbamate and alkyl molybdenum salicylate, the part by weight of anti-oxidant is 36% ~ 43%, extreme pressure antiwear agent's mass fraction is 42% ~ 52.5%, polyisobutylene succinimide's mass fraction is 10% ~ 15%, organo molybdenum's mass fraction is 1 thousandth ~ 5 thousandth.

Preferably, the mass ratio of the organic copper to the polyisobutenyl to the bisphenol monoacrylate to the dihydromyricetin is 1-3: 2-5: 7-12: 4 to 18.

Preferably, the mass ratio of the trialkyl borate to the zinc borate to the aryl phosphate to the sulfurized isobutylene to the chlorinated paraffin is 3-17: 2-13: 5-7: 3-5: 4 to 9.

Preferably, the mass ratio of the molybdenum dialkyl dithiocarbamate to the molybdenum alkyl salicylate is 1-4: 2 to 7.

Preferably, the organic copper is one or two of copper sulfate complex and copper salt calcium sulfonate complex.

Preferably, the mass ratio of the copper sulfate compound to the copper salt and calcium sulfonate compound is 3: 7.

a preparation method of an antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive comprises the following steps:

the method comprises the following steps: grinding organic copper, zinc borate and organic molybdenum respectively by using a grinding machine, filtering the organic copper, zinc borate and organic molybdenum powder respectively after grinding, and putting the organic copper, zinc borate and organic molybdenum powder into a powder stirring machine for mixing according to the mass ratio after filtering;

step two: adding a polyisobutenyl group into a liquid stirring machine, heating the liquid stirring machine to 40-50 ℃, adding aryl phosphate and trialkyl borate into the liquid stirring machine, stirring, heating the liquid stirring machine to 60-80 ℃ for 10min, adding bisphenol monoacrylate into the liquid stirring machine, stirring, heating the liquid stirring machine to 85-90 ℃ after 8-12 min, adding chlorinated paraffin into the liquid stirring machine, stirring, adding the mixed powder obtained in the step I into the liquid stirring machine after the chlorinated paraffin is completely dissolved, adding polyisobutylene succinimide into the liquid stirring machine, cooling the liquid stirring machine to 45-60 ℃ after 30-40 min, adding dihydromyricetin and sulfurized isobutylene into the liquid stirring machine, stirring, and discharging the mixed liquid of the liquid stirring machine after 15-20 min;

step three: and D, filtering the mixed liquid discharged in the step two, wherein the filtered liquid is the lubricating oil additive.

Preferably, the particle diameter of the mixed powder filtered in the step one is less than 0.3um, and the particle diameter of the lubricating oil additive in the step three is less than 0.4 um.

Compared with the prior art, the invention has the beneficial effects that:

1) the antioxidant, the extreme pressure antiwear agent, the polyisobutylene succinimide and the organic molybdenum are put into a stirrer to be heated and stirred, so that the antioxidant, the extreme pressure antiwear agent, the polyisobutylene succinimide and the organic molybdenum can be conveniently and fully mixed;

2) the powder that can avoid big granule gets into the mixing liquid to the mixing powder filters, filters the large granule that can appear because of the granule bonds when can will mix the stirring to mixing liquid filters to avoid appearing the large granule material in the lubricating oil additive.

Drawings

FIG. 1 is a schematic view of the production process of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, the present invention provides a technical solution: an antioxidant extreme pressure antiwear self-repairing lubricating oil additive of an antioxidant system comprises an antioxidant, an extreme pressure antiwear additive, polyisobutylene succinimide and organic molybdenum, wherein the service life of lubricating oil can be shortened due to oxidation, the antioxidant can obviously improve the oxidation stability of an oil product, two metal surfaces which move relatively under normal load are completely separated by a lubricating oil film without direct contact of metals, the thickness of the oil film between the metal surfaces is gradually reduced along with the increase of the load, when the load is increased to a certain degree, a continuous oil film is damaged by the peak tops of the metal surfaces, the direct contact between the metal surfaces is locally generated, the metal surfaces are directly contacted, a large amount of heat is generated, so that the mechanical abrasion is increased, chlorine and sulfur can improve the load-bearing capacity of lubricating grease, and the metal surfaces are prevented from being sintered under the high-load condition, The polyisobutenyl succinimide is an ashless dispersant prepared by a thermal addition process and taking high-activity polyisobutylene as a raw material, has good cleaning dispersibility, can inhibit the generation of carbon deposit and paint film on an engine piston, and has chemical reaction at each point tip of high load pressure of the organic molybdenum in a friction surface to promote the decomposition of the organic molybdenum to decompose MOS₂And certain phosphides, sulfides, nitrides, etc., which are dispersed in an oil solvent, adsorbed and deposited on friction surfaces, MOS₂Forming a film covering the wear-resistantOn the layer, thereby achieving the functions of antifriction, wear resistance and lubrication, the antioxidant comprises organic copper, a polyisobutenyl group, bisphenol monoacrylate and dihydromyricetin, the polyisobutenyl group is synthesized by polyisobutylene with low molecular weight and 3-tertiary butyl-4-hydroxyphenyl, the extreme pressure antiwear agent comprises trialkyl borate, zinc borate, aryl phosphate, sulfurized isobutylene and chlorinated paraffin, the organic molybdenum comprises molybdenum dialkyl dithiocarbamate and molybdenum alkyl salicylate, the mass fraction of the antioxidant is 36-40%, the mass fraction of the extreme pressure antiwear agent is 48.5-52.5%, the mass fraction of polyisobutylene succinimide is 10-15%, and the mass fraction of the organic molybdenum is 1-5 per mill.

The mass ratio of the organic copper to the polyisobutenyl to the bisphenol monoacrylate to the dihydromyricetin is 3: 4-5: 7-9: 4 to 8.

The mass ratio of trialkyl borate to zinc borate to aryl phosphate to sulfurized isobutylene to chlorinated paraffin is 3-5: 10-13: 5-7: 3-5: 4 to 9.

The mass ratio of molybdenum dialkyl dithiocarbamate to molybdenum alkyl salicylate is 1-2: 5 to 7.

The organic copper is a mixture of copper sulfate complex and copper salt and calcium sulfonate complex.

The mass ratio of the copper sulfate compound to the copper salt and calcium sulfonate compound is 3: 7.

a preparation method of an antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive comprises the following steps:

the method comprises the following steps: grinding organic copper, zinc borate and organic molybdenum respectively by using a grinding machine, filtering the organic copper, zinc borate and organic molybdenum powder respectively after grinding, and putting the organic copper, zinc borate and organic molybdenum powder into a powder stirring machine for mixing according to the mass ratio after filtering;

step two: adding a polyisobutenyl group into a liquid stirring machine, heating the liquid stirring machine to 40-45 ℃, adding aryl phosphate and trialkyl borate into the liquid stirring machine, stirring, heating the liquid stirring machine to 60-70 ℃ for 10min, adding bisphenol monoacrylate into the liquid stirring machine, stirring, heating the liquid stirring machine to 85-90 ℃ after 8-10 min, adding chlorinated paraffin into the liquid stirring machine, stirring, adding the mixed powder obtained in the step I into the liquid stirring machine after the chlorinated paraffin is completely dissolved, adding polyisobutylene succinimide into the liquid stirring machine, cooling the liquid stirring machine to 45-50 ℃ after 30-40 min, adding dihydromyricetin and sulfurized isobutylene into the liquid stirring machine, stirring, and discharging the mixed liquid of the liquid stirring machine after 18-20 min;

step three: and D, filtering the mixed liquid discharged in the step two, wherein the filtered liquid is the lubricating oil additive.

The particle diameter of the mixed powder after filtration in the step one is less than 0.3um, and the particle diameter of the lubricating oil additive in the step three is less than 0.4 um.

Example 2:

referring to fig. 1, the present invention provides a technical solution: an antioxidant system extreme pressure anti-wear self-repair lubricating oil additive, which comprises an antioxidant, an extreme pressure anti-wear additive, polyisobutylene succinimide and organic molybdenum, wherein the lubricating oil can shorten the service life due to oxidation, the antioxidant comprises organic copper, a polyisobutylene group, bisphenol monoacrylate and dihydromyricetin, the polyisobutylene group is synthesized by polyisobutylene with low molecular weight and 3-tert-butyl-4-hydroxyphenyl, the extreme pressure anti-wear additive comprises trialkyl borate, zinc borate, aryl phosphate, sulfurized isobutylene and chlorinated paraffin, the organic molybdenum comprises dialkyl molybdenum dithiocarbamate and alkyl molybdenum salicylate, the mass fraction of the antioxidant is 40-43%, the mass fraction of the extreme pressure anti-wear additive is 42-48.5%, the mass fraction of the polyisobutylene succinimide is 10-15%, the mass portion of the organic molybdenum is 1-5 per mill.

The mass ratio of the organic copper to the polyisobutenyl to the bisphenol monoacrylate to the dihydromyricetin is 1: 2-3: 8-12: 12 to 18.

The mass ratio of trialkyl borate to zinc borate to aryl phosphate to sulfurized isobutylene to chlorinated paraffin is 12-17: 2-8: 5-7: 3-5: 4 to 9.

The mass ratio of molybdenum dialkyl dithiocarbamate to molybdenum alkyl salicylate is 3-4: 2 to 5.

The organic copper is copper sulfate complex.

A preparation method of an antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive comprises the following steps:

the method comprises the following steps: grinding organic copper, zinc borate and organic molybdenum respectively by using a grinding machine, filtering the organic copper, zinc borate and organic molybdenum powder respectively after grinding, and putting the organic copper, zinc borate and organic molybdenum powder into a powder stirring machine for mixing according to the mass ratio after filtering;

step two: adding a polyisobutenyl group into a liquid stirring machine, heating the liquid stirring machine to 45-50 ℃, adding aryl phosphate and trialkyl borate into the liquid stirring machine, stirring, heating the liquid stirring machine to 70-80 ℃ for 10min, adding bisphenol monoacrylate into the liquid stirring machine, stirring, heating the liquid stirring machine to 85-90 ℃ after 10-12 min, adding chlorinated paraffin into the liquid stirring machine, stirring, adding the mixed powder obtained in the step I into the liquid stirring machine after the chlorinated paraffin is completely dissolved, adding polyisobutylene succinimide into the liquid stirring machine, cooling the liquid stirring machine to 50-60 ℃ after 30-40 min, adding dihydromyricetin and sulfurized isobutylene into the liquid stirring machine, stirring, and discharging the mixed liquid of the liquid stirring machine after 15-18 min;

step three: and D, filtering the mixed liquid discharged in the step two, wherein the filtered liquid is the lubricating oil additive.

The particle diameter of the mixed powder after filtration in the step one is less than 0.3um, and the particle diameter of the lubricating oil additive in the step three is less than 0.4 um.

Example 3:

referring to fig. 1, the present invention provides a technical solution: an antioxidant system extreme pressure anti-wear self-repair lubricating oil additive, which comprises an antioxidant, an extreme pressure anti-wear additive, polyisobutylene succinimide and organic molybdenum, wherein the lubricating oil can shorten the service life due to oxidation, the antioxidant comprises organic copper, a polyisobutylene group, bisphenol monoacrylate and dihydromyricetin, the polyisobutylene group is synthesized by polyisobutylene with low molecular weight and 3-tert-butyl-4-hydroxyphenyl, the extreme pressure anti-wear additive comprises trialkyl borate, zinc borate, aryl phosphate, sulfurized isobutylene and chlorinated paraffin, the organic molybdenum comprises dialkyl molybdenum dithiocarbamate and alkyl molybdenum salicylate, the mass fraction of the antioxidant is 38-41%, the mass fraction of the extreme pressure anti-wear additive is 45-50%, the mass fraction of the polyisobutylene succinimide is 10-15%, the mass portion of the organic molybdenum is 1-5 per mill.

The mass ratio of the organic copper to the polyisobutenyl to the bisphenol monoacrylate to the dihydromyricetin is 2: 2-4: 5-9: 7 to 11.

The mass ratio of trialkyl borate to zinc borate to aryl phosphate to sulfurized isobutylene to chlorinated paraffin is 6-14: 6-11: 5-7: 3-5: 4 to 9.

The mass ratio of the molybdenum dialkyl dithiocarbamate to the molybdenum alkyl salicylate is 2-3: 3 to 5.

The organic copper is copper salt and calcium sulfonate complex.

A preparation method of an antioxidant system extreme pressure anti-wear self-repairing lubricating oil additive comprises the following steps:

the method comprises the following steps: grinding organic copper, zinc borate and organic molybdenum respectively by using a grinding machine, filtering the organic copper, zinc borate and organic molybdenum powder respectively after grinding, and putting the organic copper, zinc borate and organic molybdenum powder into a powder stirring machine for mixing according to the mass ratio after filtering;

step two: adding a polyisobutenyl group into a liquid stirring machine, heating the liquid stirring machine to 45-50 ℃, adding aryl phosphate and trialkyl borate into the liquid stirring machine, stirring, heating the liquid stirring machine to 65-75 ℃ for 10min, adding bisphenol monoacrylate into the liquid stirring machine, stirring, heating the liquid stirring machine to 85-90 ℃ after 10-12 min, adding chlorinated paraffin into the liquid stirring machine, stirring, adding the mixed powder obtained in the step I into the liquid stirring machine after the chlorinated paraffin is completely dissolved, adding polyisobutylene succinimide into the liquid stirring machine, cooling the liquid stirring machine to 45-55 ℃ after 30-40 min, adding dihydromyricetin and sulfurized isobutylene into the liquid stirring machine, stirring, and discharging the mixed liquid of the liquid stirring machine after 18-20 min;

step three: and D, filtering the mixed liquid discharged in the step two, wherein the filtered liquid is the lubricating oil additive.

The particle diameter of the mixed powder after filtration in the step one is less than 0.3um, and the particle diameter of the lubricating oil additive in the step three is less than 0.4 um.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.