An anti-rust and lubricating chain wax for motorcycles and its preparation method

Abstract

The present invention discloses an anti-rust lubricating chain wax for motorcycles and a preparation method thereof, relating to the technical field of lubricating materials. The anti-rust lubricating chain wax for motorcycles disclosed by the present invention comprises raw materials in the following weight percentages: 67-93.5% of base oil, 5.1-25.6% of composite lithium soap thickener, 2.4-10.5% of tackifier, 0.1-2% of antioxidant, 0.5-5% of extreme pressure anti-wear agent, 0.5-5% of functional additive, 0.05-1% of metal passivator, and the sum of the weight percentages of the raw materials is 100%; the anti-rust lubricating chain wax prepared by this application is applied to the lubrication of extreme pressure motorcycle chains, and has good extreme pressure anti-wear property, rust prevention property and melt solubility stability, and can meet the performance requirements of motorcycle chain wax.

Description

Technical Field

[0001] The present invention relates to the technical field of lubricating materials, and particularly relates to an anti-rust lubricating chain wax for motorcycles and a preparation method thereof. Background Art

[0002] A chain is a mechanical transmission element composed of chain links that can drive each other, capable of precisely transmitting power, and having many excellent characteristics such as stable transmission, constant speed ratio, strong adaptability, and convenient maintenance. It is widely used in various mechanical transmission structures. Chain drive is not only suitable for use at high torque and low speed, but also shows superiority in corrosive, humid environments and high-speed rotation. In addition to the engine driving the rear wheel to rotate through chain drive, a timing chain is also used inside the engine of a motorcycle. The chain and sprocket are the main components for transmitting power in a motorcycle. Due to the structure of the chain (the chain links are connected by hinges) and the characteristics of the load during operation (there are tight and loose sides), the normal failure forms of the transmission chain are fatigue failure of the chain parts and wear elongation of the chain. Reducing friction is the main measure to improve the service life of the chain and sprocket. Applying chain wax to the chain can lubricate the chain reasonably. Good lubrication can not only extend the service life, reduce noise, reduce wear on the sprocket, but also improve the power utilization rate of the engine.

[0003] The adhesion of grease on the motorcycle chain is poor and the lubrication performance is not good, resulting in the grease applied on the chain being quickly thrown out by the high-speed centrifugal force during the operation of the motorcycle. As a result, the motorcycle chain is often lacking in oil during actual use, in a dry friction state, the chain wears severely, is prone to chain elongation, makes abnormal noises, and even fails. With the lack of grease, the metal material of the chain undergoes chemical and electrochemical reactions with the environment to generate rust, resulting in rust on the chain. Summary of the Invention

[0004] The purpose of the present invention is to provide an anti-rust lubricating chain wax for motorcycles and a preparation method thereof, to solve the following technical problems:

[0005] The existing grease has poor adhesion on the motorcycle chain, resulting in the grease on the surface of the motorcycle chain being thrown out under the action of centrifugal force, and often lacking oil during actual use, leading to dry friction of the chain. This not only easily causes dry friction of the chain, but also as the friction progresses, the surface of the chain is eroded by moisture and corrosive media in the atmosphere, resulting in rust on the chain, further accelerating the damage of the chain.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A rust-proof and lubricating chain wax for motorcycles, comprising raw materials in the following weight percentages: 67-93.5% of base oil, 5.1-25.6% of composite lithium soap thickener, 2.4-10.5% of viscosity modifier, 0.1-2% of antioxidant, 0.5-5% of extreme pressure and anti-wear agent, 0.5-5% of functional additive, 0.05-1% of metal passivator, and the sum of the weight percentages of the raw materials is 100%;

[0008] The preparation method of the functional additive comprises the following steps:

[0009] S1: Add nano-silica, aniline, and hydrochloric acid solution into a reaction kettle. After mixing ammonium persulfate and distilled water evenly, add them into the reaction kettle. React at room temperature for 18-24 h, filter, wash with acetone, and dry to obtain Component 1;

[0010] S2: Add Component 1, mercaptoacetic acid, and absolute ethanol into a reaction kettle. Control the temperature at 50-60 °C and keep warm for 1-3 h under stirring conditions. Filter, wash, and dry to obtain the functional additive.

[0011] Preferably, in S1, the hydrochloric acid solution is 0.5-1 mol / L hydrochloric acid aqueous solution; the addition ratio of nano-silica, aniline, hydrochloric acid solution, ammonium persulfate, and distilled water is 10 g: 1-2 g: 500-1000 mL: 3-6 g: 100-200 mL.

[0012] Preferably, in S2, the addition ratio of Component 1, mercaptoacetic acid, and absolute ethanol is 10 g: 0.5-1 g: 100-200 mL.

[0013] Preferably, the base oil is any one of polyether base oil and paraffin base oil.

[0014] Preferably, the paraffin base oil is any one of 75SN, 150SN, 400SN, and 150BS.

[0015] Preferably, the polyether base oil is polyether base oil SDT-055a.

[0016] Preferably, the preparation method of the composite lithium soap thickener comprises the following steps:

[0017] C1: Add lithium hydroxide powder and deionized water into a reaction kettle. Control the temperature at 70-80 °C and keep warm and stir until the lithium hydroxide powder is completely dissolved to obtain a lithium hydroxide solution;

[0018] C2: Add 12-hydroxystearic acid and sebacic acid into a reaction kettle and disperse them evenly. Control the temperature at 95-105 °C, add the lithium hydroxide solution, and carry out saponification reaction for 1-3 h under heat preservation conditions to obtain the composite lithium soap thickener.

[0019] Preferably, the addition ratio of lithium hydroxide powder to deionized water in C1 is 1 g: 5-10 mL.

[0020] Preferably, the addition ratio of 12-hydroxystearic acid, sebacic acid, and lithium hydroxide solution in C2 is 8-20 g: 2-10 g: 24-64 g.

[0021] Preferably, the tackifier is obtained by mixing one or two of ethylene-propylene copolymer or polyisobutylene.

[0022] Preferably, the ethylene-propylene copolymer is T614.

[0023] Preferably, the polyisobutylene is PB2400.

[0024] Preferably, the antioxidant is any one of organic amine antioxidants or phenolic antioxidants.

[0025] Preferably, the phenolic antioxidant is 2,6-di-tert-butyl-p-cresol or 2,6-di-tert-butyl-α-dimethylamino-p-cresol.

[0026] Preferably, the organic amine antioxidant is N-phenyl-α-naphthylamine or N-phenyl-N'-cyclohexyl-p-phenylenediamine.

[0027] Preferably, the extreme pressure and anti-wear agent is obtained by mixing one or more of phosphorus-containing compounds, sulfur-phosphorus compounds, and sulfur-phosphorus-nitrogen compounds.

[0028] Preferably, the phosphorus-containing compound is phosphate ester or phosphite; the sulfur-phosphorus compound is thiophosphate ester or triphenyl thiophosphate; the sulfur-phosphorus-nitrogen compound is amine salt of thiophosphate ester or nitrogen-containing derivative of thiophosphoric acid.

[0029] Preferably, the metal deactivator is one or a combination of two or more of benzotriazole, benzotriazole derivatives, thiadiazole derivatives, and nickel salt of benzyl phosphoric acid.

[0030] A preparation method of a rust-proof and lubricating chain wax for motorcycles, comprising the following steps: According to the raw material ratio, add base oil, composite lithium soap thickener, and tackifier into a reaction kettle, control the temperature at 95-105 °C, keep warm for 0.5-1 h under stirring conditions, control the temperature at 115-125 °C, and evacuate to dehydrate; then add antioxidant, extreme pressure and anti-wear agent, functional auxiliary agent, and metal deactivator in sequence, stir and mix for 0.5-1.5 h, cool naturally, and grind and disperse to obtain the rust-proof and lubricating chain wax.

[0031] Preferably, the specific steps of evacuating to dehydrate are: control the temperature at 115-125 °C, evacuate to -0.08 MPa, and keep warm and dehydrate under constant vacuum for 1.5-3 h.

[0032] The beneficial effects of the present invention:

[0033] (1) In this application, a composite lithium soap is prepared by reacting 12 - hydroxy stearic acid, sebacic acid with lithium hydroxide. The lithium - based grease is prepared by using the composite lithium soap as a thickener to thicken the base oil. The colloidal structure formula of the lithium - based grease is a typical two - phase dispersion structure, which has special rheological properties. At normal temperature and low load, it maintains a certain shape without flowing in a micro - deformation manner, adheres to the contact surface without slipping. When the temperature rises or reaches its yield stress, the lithium - based grease undergoes a viscous transformation and begins to flow. Therefore, it has good lubrication, protection and sealing functions. Based on the lithium - based grease, a tackifier, an antioxidant, an extreme - pressure anti - wear agent, a metal deactivator and a functional additive are added in this application to prepare an anti - rust lubricating chain wax for motorcycles. This wax has good extreme - pressure anti - wear performance, rust - proof performance and melt - solution stability, and can meet the performance requirements of motorcycle chain wax. The lubricating grease prepared in this application has excellent high - and low - temperature performance and a wide operating temperature range, less carbon deposition and coking, and the formed coke can dissolve into the new oil, which is beneficial to extending the decoking period and ensuring the long - term operation of the chain.

[0034] (2) In this application, nano - silica is dispersed in the reaction medium of chemical oxidative polymerization. Ammonium persulfate is used as a polymerization initiator. Aniline monomers dissolved in hydrochloric acid solution generate aniline cation radicals that adsorb on the surface of silica particles and in - situ polymerize on the silica surface to form spherical core - shell - like silica composite particles coated with polyaniline, that is, component one. Then, by using the reaction of amino groups on the polyaniline molecular chain with mercaptoacetic acid, mercapto groups are grafted on the silica surface to obtain a functional additive. By polymerizing aniline on the surface of nano - silica in this application, silica becomes a functional particle with passivation performance. Adding the functional additive prepared in this application to the chain wax, the organic modification on the silica surface not only makes the silica evenly dispersed in the chain wax, but also the organic molecular chains on its surface assist the chain wax to form an excellent lubricating protective film on the friction surface during the friction process. During the operation of the chain, the mercapto groups grafted on the silica surface and the aniline polymer effectively repair the abrasion marks generated by friction at the working interface. Among them, the mercapto molecular chains will dissociate and adsorb on the metal surface and generate metal sulfide materials, while the aniline polymer dissociates during the friction process to repair the abrasion marks. The functional additive uses its spherical core - shell structure with an organic molecular chain coating on the silica surface to synergistically play an anti - wear and friction - reducing role in the chain wax, endowing the chain wax with excellent anti - corrosion and anti - wear and friction - reducing performance.

[0035] (3) The functional additive prepared in this application is added to the chain wax. With the addition of the functional additive, it can adsorb the free base oil in the chain wax, increase the consistency of the base oil, improve the adhesion performance of the chain wax and the good metal wetting performance. By adding the functional additive to the chain wax in this application, it effectively regulates the catalytic oxidation of the metal ions in the thickening agent molecule on the base oil of the chain wax due to the use of composite lithium soap as the thickening agent in the chain wax. The addition of the functional additive effectively reduces the adverse effects of the composite lithium soap on the chain wax. The chain wax added with the functional additive prepared in this application is easy to form an oil film at the working interface and can still maintain good lubrication performance during long-term operation at high temperature, ensuring that when the chain rotates at high speed, it is not easy to form oil droplets and splash. The grease prepared in this application can meet the requirements of anti-rust storage and lubrication during operation of motorcycle chains. Detailed implementation manners

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0037] Embodiment 1 The preparation method of the composite lithium soap thickening agent includes the following steps:

[0038] C1: 1 g of lithium hydroxide powder and 7 mL of deionized water are added to the reaction kettle, the temperature is controlled at 80 °C, and it is kept warm and stirred until the lithium hydroxide powder is completely dissolved to obtain a lithium hydroxide solution;

[0039] C2: 20 g of 12-hydroxystearic acid and 5 g of sebacic acid are added to the reaction kettle and dispersed evenly, the temperature is controlled at 100 °C, 64 g of the lithium hydroxide solution is added, and saponification reaction is carried out for 2 h under the condition of keeping warm to obtain the composite lithium soap thickening agent.

[0040] Embodiment 2 The preparation method of the functional additive includes the following steps:

[0041] S1: 10 g of nano-silica, 1 g of aniline, and 500 mL of 1 mol / L hydrochloric acid aqueous solution are added to the reaction kettle. After 3 g of ammonium persulfate and 100 mL of distilled water are mixed evenly, they are added to the reaction kettle, and the reaction is carried out at room temperature for 18 h, filtered, washed with acetone, and dried to obtain Component 1;

[0042] S2: 10 g of Component 1, 0.5 g of mercaptoacetic acid, and 100 mL of absolute ethanol are added to the reaction kettle, the temperature is controlled at 50 °C, and it is kept warm for 1 h under stirring conditions, filtered, washed, and dried to obtain the functional additive.

[0043] Embodiment 3 The preparation method of the functional additive includes the following steps:

[0044] S1: Add 10 g of nano-silica, 1.5 g of aniline, and 700 mL of 1 mol / L hydrochloric acid aqueous solution into a reaction kettle. After mixing 4.5 g of ammonium persulfate and 150 mL of distilled water evenly, add them into the reaction kettle. React at room temperature for 21 h, filter, wash with acetone, and dry to obtain Component 1.

[0045] S2: Add 10 g of Component 1, 0.7 g of mercaptoacetic acid, and 150 mL of absolute ethanol into a reaction kettle. Control the temperature at 55 °C and keep it warm for 2 h under stirring conditions. Filter, wash, and dry to obtain the functional additive.

[0046] Example 4 The preparation method of the functional additive includes the following steps:

[0047] S1: Add 10 g of nano-silica, 2 g of aniline, and 1000 mL of 1 mol / L hydrochloric acid aqueous solution into a reaction kettle. After mixing 6 g of ammonium persulfate and 200 mL of distilled water evenly, add them into the reaction kettle. React at room temperature for 24 h, filter, wash with acetone, and dry to obtain Component 1.

[0048] S2: Add 10 g of Component 1, 1 g of mercaptoacetic acid, and 200 mL of absolute ethanol into a reaction kettle. Control the temperature at 60 °C and keep it warm for 3 h under stirring conditions. Filter, wash, and dry to obtain the functional additive.

[0049] Example 5 The preparation method of a rust-proof and lubricating chain wax for motorcycles includes the following steps:

[0050] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the complex lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle. Control the temperature at 100 °C and keep it warm for 1 h under stirring conditions. Control the temperature at 120 °C, evacuate to -0.08 MPa, and keep it under constant vacuum for dehydration for 3 h; then add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of the functional additive prepared in Example 2, and 0.1 g of benzotriazole in sequence, stir and mix for 1 h, cool naturally, and grind and disperse to obtain the rust-proof and lubricating chain wax.

[0051] Example 6 The preparation method of a rust-proof and lubricating chain wax for motorcycles includes the following steps:

[0052] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the composite lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle. Control the temperature at 100 °C and keep warm for 1 h under stirring conditions. Then control the temperature at 120 °C, evacuate to -0.08 MPa, and keep warm under constant vacuum for dehydration for 3 h. Then successively add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of the functional additive prepared in Example 3, and 0.1 g of benzotriazole, stir and mix for 1 h, cool naturally, and grind and disperse to obtain the anti-rust lubricating chain wax.

[0053] Example 7 A preparation method of an anti-rust lubricating chain wax for motorcycles, comprising the following steps:

[0054] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the composite lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle. Control the temperature at 100 °C and keep warm for 1 h under stirring conditions. Then control the temperature at 120 °C, evacuate to -0.08 MPa, and keep warm under constant vacuum for dehydration for 3 h. Then successively add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of the functional additive prepared in Example 4, and 0.1 g of benzotriazole, stir and mix for 1 h, cool naturally, and grind and disperse to obtain the anti-rust lubricating chain wax.

[0055] Comparative Example 1 The preparation method of the functional additive comprises the following steps:

[0056] Add 10 g of nano-silica, 1.5 g of aniline, and 700 mL of 1 mol / L hydrochloric acid aqueous solution into a reaction kettle. Mix 4.5 g of ammonium persulfate and 150 mL of distilled water evenly and then add them into the reaction kettle. React at room temperature for 21 h, filter, wash with acetone, and dry to obtain the functional additive.

[0057] Comparative Example 2 The preparation method of the functional additive comprises the following steps:

[0058] Add 10 g of nano-silica, 0.7 g of mercaptoacetic acid, and 150 mL of absolute ethanol into a reaction kettle. Control the temperature at 55 °C and keep warm for 2 h under stirring conditions. Filter, wash, and dry to obtain the functional additive.

[0059] Comparative Example 3 The preparation method of the functional additive comprises the following steps:

[0060] S1: Add 1.5 g of aniline and 700 mL of 1 mol / L hydrochloric acid aqueous solution into a reaction kettle. Mix 4.5 g of ammonium persulfate and 150 mL of distilled water evenly and then add them into the reaction kettle. React at room temperature for 21 h, filter, wash with acetone, and dry to obtain Component 1;

[0061] S2: Add 10 g of nano-silica, 0.7 g of mercaptoacetic acid, and 150 mL of absolute ethanol into a reaction kettle, control the temperature at 55 °C, keep warm for 2 h under stirring conditions, filter, wash, and dry to obtain Component Two.

[0062] S3: Blend Component One prepared in S1 with Component Two prepared in S2 to obtain a functional auxiliary agent.

[0063] Comparative Example 4 A preparation method of a rust-proof and lubricating chain wax for motorcycles, comprising the following steps:

[0064] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the composite lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle, control the temperature at 100 °C, keep warm for 1 h under stirring conditions, control the temperature at 120 °C, evacuate to -0.08 MPa, and keep warm under constant vacuum for dehydration for 3 h; then successively add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of nano-silica, and 0.1 g of benzotriazole, stir and mix for 1 h, naturally cool, and grind and disperse to obtain a rust-proof and lubricating chain wax.

[0065] Comparative Example 5 A preparation method of a rust-proof and lubricating chain wax for motorcycles, comprising the following steps:

[0066] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the composite lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle, control the temperature at 100 °C, keep warm for 1 h under stirring conditions, control the temperature at 120 °C, evacuate to -0.08 MPa, and keep warm under constant vacuum for dehydration for 3 h; then successively add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of the functional auxiliary agent prepared in Comparative Example 1, and 0.1 g of benzotriazole, stir and mix for 1 h, naturally cool, and grind and disperse to obtain a rust-proof and lubricating chain wax.

[0067] Comparative Example 6 A preparation method of a rust-proof and lubricating chain wax for motorcycles, comprising the following steps:

[0068] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the composite lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle, control the temperature at 100 °C, keep warm for 1 h under stirring conditions, control the temperature at 120 °C, evacuate to -0.08 MPa, and keep warm under constant vacuum for dehydration for 3 h; then successively add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of the functional auxiliary agent prepared in Comparative Example 2, and 0.1 g of benzotriazole, stir and mix for 1 h, naturally cool, and grind and disperse to obtain a rust-proof and lubricating chain wax.

[0069] Preparation method of an anti-rust lubricating chain wax for motorcycles, comprising the following steps:

[0070] Add 79.6 g of paraffin-based base oil 150SN, 10.3 g of the composite lithium soap thickener prepared in Example 1, and 3.4 g of ethylene-propylene copolymer T614 into a reaction kettle, control the temperature at 100 °C, keep warm for 1 h under stirring conditions, control the temperature at 120 °C, evacuate to -0.08 MPa, and keep warm and dehydrate under constant vacuum for 3 h; then sequentially add 0.6 g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1 g of thiophosphate, 5 g of the functional additive prepared in Comparative Example 3, and 0.1 g of benzotriazole, stir and mix for 1 h, cool naturally, and grind and disperse to obtain the anti-rust lubricating chain wax.

[0071] Performance testing

[0072] (1) Non-working penetration: Test according to GB / T 269-2023 "Determination of Penetration of Lubricating Greases and Petroleum Jellies", and the test results are shown in Table 1-2;

[0073] (2) Drop point: Test according to GB / T 3498-2008 "Determination of Drop Point of Lubricating Greases over a Wide Temperature Range", and the test results are shown in Table 1-2;

[0074] (3) 45 # Steel corrosion: Test according to SH / T 0331-1992 "Corrosion Test Method for Lubricating Greases", and the test results are shown in Table 1-2;

[0075] (4) Adhesiveness (at room temperature): Test according to Appendix A of SH / T 0496, and the test results are shown in Table 1-2;

[0076] (5) Water resistance (at room temperature): Test according to SH / T 0109-1992 "Determination of Water Washout Resistance of Lubricating Greases", and the test results are shown in Table 1-2;

[0077] (6) Oxidation induction period: Test according to SH / T 0193 "Determination of Oxidation Stability of Lubricating Oils (Rotating Bomb Method)", and the test results are shown in Table 1-2;

[0078] (7) Anti-rust performance

[0079] a. Damp heat test: Test according to GB / T 2361-1992 "Damp Heat Test Method for Rust Preventive Oils and Greases", apply the anti-rust lubricating chain wax on 45# steel, and test for 30 d, and the test results are shown in Table 1-2;

[0080] b. Salt spray test: Test according to SH / T 0081-1991 "Salt Spray Test Method for Rust Preventive Oils and Greases", apply the anti-rust lubricating chain wax on 45# steel, and test for 120 d, and the test results are shown in Table 1-2;

[0081] (8) Extreme pressure test: It is detected according to GB / T 3142-2019 "Determination of the Load-Carrying Capacity of Lubricants - Four-Ball Method". The four-ball test machine is used to conduct the test by changing the load size, and the maximum non-seizure load P B and the sintering load P D are detected. P B represents the ink that can remain intact on the friction surface under this load. If the load exceeds this value, the oil film will rupture, and the friction on the friction surface will increase sharply. P B represents the oil film strength, and the test results are shown in Table 1-2;

[0082] (9) Wear scar diameter: It is detected according to SH / T 0189-2017 "Determination of the Anti-Wear Performance of Lubricating Oils - Four-Ball Method". It is treated at 441 N and 294 N for 60 min respectively, and the test results are shown in Table 1-2;

[0083] (10) High-temperature coking performance: It is detected according to RH02ZB.0010-20044, and the test results are shown in Table 1-2;

[0084] Table 1: Statistical Table of Performance Test Data for Examples 5-7

[0085]

[0086]

[0087] Table 2: Statistical Table of Performance Test Data for Comparative Examples 4-7

[0088] Comparative Example 4 Comparative Example 5 Comparative Example 6 Comparative Example 7 <![CDATA[Penetration of non - working cone / 10 -1 mm]]> 383 384 386 388 Drop Point / °C 252 264 258 278 <![CDATA[45 # Steel corrosion (100 °C, 3 h)]]> Qualified Qualified Qualified Qualified Adhesion / % 89 92 94 93 Water Resistance (Normal Temperature) / % 9.4 6.1 7.1 5.2 Oxidation Induction Period / min 348 356 343 361 Damp Heat Test / d Failed Failed Passed Passed Salt Spray Test / d Failed Passed Failed Passed <![CDATA[The maximum non-seizure load P B / N]]> 588 643 634 678 <![CDATA[Sintering load P D / N]]> 4012 4450 4328 4613 Wear Scar Diameter D (441N) / mm 0.56 0.53 0.54 0.51 Wear Scar Diameter D (294N) / mm 0.49 0.42 0.44 0.40 Inclined Plate Coking / mg 5.5 4.4 4.9 2.6

[0089] As can be seen from Table 1-2, in this application, the functional additives prepared are added to the chain wax to obtain Examples 5-7. The chain wax prepared in Examples 5-7 is detected according to SH / T 0331-1992 "Test Method for Corrosion of Lubricating Greases". The corrosion performance of the chain wax on steel is detected to ensure that the chain wax prepared in this application has low corrosion to steel.

[0090] The chain wax prepared in Examples 5-7 of this application is detected according to Appendix A of SH / T 0496, and has excellent adhesion performance. The chain wax attached to the chain surface will not be centrifugally thrown out during the high-speed operation of the motorcycle, effectively reducing the situation that the chain is quickly damaged due to dry friction caused by the centrifugal throwing out of the lubricating grease during the operation of the chain.

[0091] The chain wax prepared in Examples 5-7 of this application is detected according to SH / T 0109-1992 "Method for Determining the Water Washout Resistance of Lubricating Greases" to ensure that the chain has excellent water washout resistance during the use of the motorcycle when it is washed by water and mud.

[0092] The chain wax prepared in Examples 5-7 of the present application is tested according to SH / T 0193 "Method for Determining Oxidation Stability of Lubricating Oil (Rotating Bomb Method)" to ensure that the chain wax will not oxidize rapidly when it is in a high-temperature state of 100-150°C for a long time. The chain wax prepared in the present application has excellent antioxidant performance.

[0093] The chain wax prepared in Examples 5-7 of the present application is tested according to GB / T 2361-1992 "Method for Humidity and Heat Test of Rust Preventive Oils and Greases". The functional additives prepared in the present application act synergistically with other components of the chain wax to endow the chain wax with good rust prevention properties such as salt spray resistance and humidity and heat resistance.

[0094] The chain wax prepared in Examples 5-7 of the present application is tested according to GB / T 3142-2019 "Determination of Load-Carrying Capacity of Lubricants - Four-Ball Method" and SH / T 0189-2017 "Determination of Anti-Wear Performance of Lubricating Oil - Four-Ball Method". The wear scar diameter is low, and the maximum non-seizure load P B and the seizure load P D are high. It can be seen that the chain wax prepared in the present application effectively improves the surface characteristics of the chain and reduces the surface roughness of the chain. The functional additives prepared in the present application endow the chain wax with a low friction coefficient and good anti-friction performance under a certain load, and have the ability of automatic repair, endowing the material with excellent wear-resistant and friction-reducing performance.

[0095] The chain wax prepared in Examples 5-7 of the present application is tested according to RH02ZB.0010-20044. The chain wax prepared in the present application is used under the conditions of high temperature and sufficient contact with air. The material has good high-temperature anti-coking performance, effectively avoiding the situation that the movement between chain links is blocked due to coking of the material, resulting in increased wear and affecting the stable operation of the device.

[0096] One embodiment of the present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.

Claims

1. A motorcycle anti-rust lubricating chain wax, characterized in that: The invention comprises the following raw materials in parts by weight: 79.6g paraffin base oil 150SN, 10.3g complex lithium soap thickener, 3.4g ethylene-propylene copolymer T614, 0.6g 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1g thiophosphate, 5g functional additive, 0.1g benzotriazole; The preparation method of the functional additive comprises the following steps: S1: 10 g of nano-silicon dioxide, 1.5 g of aniline, and 700 mL of 1 mol / L hydrochloric acid aqueous solution were added to a reactor, 4.5 g of ammonium persulfate and 150 mL of distilled water were mixed evenly and added to the reactor, reacted at room temperature for 21 h, filtered, washed with acetone, and dried to obtain component 1; S2: Add 10g of component 1, 0.7g of thioglycolic acid and 150mL of anhydrous ethanol into a reaction kettle, control the temperature to 55°C, keep warm for 2h under stirring, filter, wash and dry to obtain a functional additive; The preparation method of the composite lithium soap thickener comprises the following steps: C1: 1 g lithium hydroxide powder and 7 mL deionized water were added to a reactor, the temperature was controlled at 80°C, and the mixture was stirred until the lithium hydroxide powder was completely dissolved to obtain a lithium hydroxide solution; C2: Add 20g 12-hydroxystearic acid and 5g sebacic acid into a reactor and disperse them evenly. Control the temperature at 100°C, add 64g lithium hydroxide solution, and saponify for 2h under heat preservation conditions to obtain a composite lithium soap thickener.

2. A method for preparing a motorcycle anti-rust lubricating chain wax as claimed in claim 1, characterized in that: The steps include: 79.6g of paraffin base oil 150SN, 10.3g of complex lithium soap thickener and 3.4g of ethylene-propylene copolymer T614 were added into a reactor, the temperature was controlled at 100°C, and the mixture was kept warm for 1h under stirring. The temperature was controlled at 120°C, the mixture was evacuated to -0.08MPa, and the mixture was kept warm and dehydrated under constant vacuum for 3h. Then 0.6g of 2,6-di-tert-butyl-α-dimethylamino-p-cresol, 1g of thiophosphate, 5g of functional additive and 0.1g of benzotriazole were added in sequence, the mixture was stirred and mixed for 1h, the mixture was naturally cooled, and the mixture was ground and dispersed to obtain an anti-rust lubricating chain wax.

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