Hydrogen fuel engine oil complex additive composition and hydrogen fuel engine oil composition

Abstract

The application discloses a hydrogen fuel engine oil composite additive composition, which comprises 3.0-5.0% high-alkali-value magnesium sulfonate, 12.0-20.0% low-alkali-value calcium sulfonate, 3.0-4.0% high-alkali-value calcium sulfide alkyl phenol, 2.0-5.0% amine type antioxidant, 2.0-5.0% phenol type antioxidant, 2.0-5.0% alpha-naphthylamine, 1.5-3.0% dibutyl dithiocarbamic acid ester, 1.5-3.0% anti-wear agent, 0.2-0.5% fatty amide, and the rest is ashless dispersant. The application further discloses a hydrogen fuel engine oil composition, which comprises 14.4-15.5% composite additive composition, 7.0-9.0% tackifier, 0.2-0.5% pour point depressant, and the rest is base oil. The composite additive improves the demulsification performance of the hydrogen fuel engine oil under high-temperature and high-pressure conditions, and further improves the water separation property and other comprehensive use performances of the oil product.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of engine oil additives, and particularly relates to a hydrogen fuel engine oil composite additive composition and a hydrogen fuel engine oil composition. BACKGROUND

[0002] Hydrogen energy has many advantages such as high combustion heat value, cleanliness, convenient storage and transportation, wide sources and various utilization forms, and plays a very important supporting role in reducing carbon emissions, and is a new type of clean fuel with equal importance to electric vehicles in the future; the high heat and high proportion of water generated by hydrogen energy combustion will inevitably put forward higher requirements for engine oil in terms of oxidation resistance, nitration resistance, rust prevention, wear resistance and the like. At present, there is no hydrogen fuel engine commercially available lubricating oil product and product standard at home and abroad, and the development of hydrogen fuel engine special oil by domestic OEM can lead the development of the industry while ensuring the steady growth of hydrogen fuel engines.

[0003] In order to solve the harsh requirements of hydrogen fuel engine oil on water separation performance, emulsification performance, rust prevention, oxidation resistance and wear resistance under the condition of low sulfated ash, a hydrogen fuel engine oil composite additive is successfully developed, which is applied in API II and III base oil, and the hydrogen fuel engine oil blended with the hydrogen fuel engine oil composite additive has a water separation performance improved by 50%, a wear resistance improved by 18% and a corrosion resistance improved by 23% compared with traditional gas engine oil, and can meet the lubrication requirements of hydrogen fuel engines. SUMMARY

[0004] The application aims to provide a hydrogen fuel engine oil composite additive composition, which improves the demulsification performance and wear resistance of hydrogen fuel engine oil under high temperature and high pressure conditions.

[0005] Another object of the application is to provide a hydrogen fuel engine oil composition, which can improve the water separation performance and corrosion resistance of engine oil.

[0006] The technical scheme adopted by the application is that the hydrogen fuel engine oil composite additive composition comprises the following components in percentage by mass: 3.0-5.0% of high-alkali-value magnesium sulfonate, 12.0-20.0% of low-alkali-value calcium sulfonate, 3.0-4.0% of high-alkali-value calcium sulfidized alkyl phenate, 2.0-5.0% of amine-type antioxidant, 2.0-5.0% of phenolic antioxidant, 2.0-5.0% of alpha-naphthylamine, 1.5-3.0% of dibutyl dithiocarbamic acid ester, 1.5-3.0% of ester-type anti-wear agent, 0.2-0.5% of fatty amide, and the balance of high-molecular-weight ashless dispersant, and the sum of the percentage by mass of the above components is 100%.

[0007] The application also has the characteristics that,

[0008] The high base value magnesium sulfonate has a base value of 395-420 mgKOH / g, and is T107; the low base value calcium sulfonate has a base value of 20-35 mgKOH / g, and is T104; the high base value sulfurized calcium alkyl phenate has a base value of 245-265 mgKOH / g, and is T115B.

[0009] The high molecular ashless dispersant is succinimide T161A; the amine type antioxidant is hindered phenol ester RHY505; and the phenol type antioxidant is butyl octyl diphenylamine RHY057.

[0010] The alpha-naphthylamine is N-phenyl-alpha-naphthylamine; the carbamate is dibutyl dithio carbamate; the ester type anti-wear agent is sulfurized organic carboxylic acid ester; and the fatty amide is tall oil fatty amide or amine and oxirane condensate.

[0011] Another technical solution adopted by the present application is that the hydrogen fuel engine oil composition comprises the following components in percentage by mass: the hydrogen fuel engine oil composite additive composition of claim 1 or 2 14.4-15.5%, 7.0-9.0% of OCP type tackifier, 0.2-0.5% of PMA type pour point depressant, and the balance is base oil, and the sum of the percentage by mass of the above components is 100%.

[0012] The present application has the following beneficial effects:

[0013] Firstly, the metal detergent system composed of the high base value magnesium sulfonate, the low base value calcium sulfonate and the high base value sulfurized calcium alkyl phenate in the present application can solve the problem of the decline of the detergency of the hydrogen fuel engine caused by the water produced after the combustion of hydrogen gas;

[0014] Secondly, the antioxidant and detergent system composed of the high base value magnesium sulfonate, the low base value calcium sulfonate, the high base value sulfurized calcium alkyl phenate, the amine type, the phenol type and the alpha-naphthylamine antioxidant in the present application can solve the problems of the high temperature oxidation, aging and inhibition of the generation of piston deposits of the hydrogen fuel engine oil caused by the combustion of hydrogen gas;

[0015] Thirdly, the anti-wear and dispersion system composed of the high base value magnesium sulfonate, the low base value calcium sulfonate, the high base value sulfurized calcium alkyl phenate, the high molecular ashless dispersant, the amine type, the phenol type and the alpha-naphthylamine antioxidant, the dibutyl dithio carbamate and the sulfurized organic carboxylic acid ester anti-wear agent in the present application realizes the anti-wear and durability performance of the hydrogen fuel engine oil under the condition of containing higher water and high pressure and high load;

[0016] Fourthly, the composite additive system combined by high-alkali-value magnesium sulfonate, low-alkali-value calcium sulfonate, high-alkali-value calcium sulfized alkyl phenol, high-molecular ashless dispersant, amine type, phenol type and a-naphthylamine antioxidant, dibutyl dithio carbamate, sulfurized organic carboxylic acid ester anti-wear agent and fatty amide, etc. in the application improves the demulsification performance of hydrogen fuel engine oil containing higher moisture under high temperature and high pressure conditions, and further improves the water separation performance and other comprehensive use performance of the oil. DETAILED DESCRIPTION

[0017] The application will be described in detail below in combination with specific embodiments.

[0018] The hydrogen fuel engine oil composite additive composition of the application comprises the following components in percentage by mass: 3.0-5.0% of high-alkali-value magnesium sulfonate, 12.0-20.0% of low-alkali-value calcium sulfonate, 3.0-4.0% of high-alkali-value calcium sulfized alkyl phenol, 2.0-5.0% of amine type antioxidant, 2.0-5.0% of phenol type antioxidant, 2.0-5.0% of a-naphthylamine, 1.5-3.0% of dibutyl dithio carbamate, 1.5-3.0% of ester anti-wear agent, 0.2-0.5% of fatty amide, and the balance is high-molecular ashless dispersant, and the sum of the mass percentages of the above components is 100%.

[0019] Preferably, the composition comprises the following components in percentage by mass: 3.6-4.5% of high-alkali-value magnesium sulfonate, 14.0-18.0% of low-alkali-value calcium sulfonate, 3.3-3.8% of high-alkali-value calcium sulfized alkyl phenol, 3.0-4.0% of amine type antioxidant, 3.0-4.0% of phenol type antioxidant, 3.0-4.0% of a-naphthylamine, 2.0-2.6% of dibutyl dithio carbamate, 1.3-1.7% of ester anti-wear agent, 0.3-0.4% of fatty amide, and the balance is high-molecular ashless dispersant, and the sum of the mass percentages of the above components is 100%.

[0020] The high-alkali-value magnesium sulfonate has an alkali value of 395-420 mgKOH / g, and the high-alkali-value magnesium sulfonate is T107;

[0021] The low-alkali-value calcium sulfonate has an alkali value of 20-35 mgKOH / g, and the low-alkali-value calcium sulfonate is T104;

[0022] The high-alkali-value calcium sulfized alkyl phenol has an alkali value of 245-265 mgKOH / g, and the high-alkali-value calcium sulfized alkyl phenol is T115B;

[0023] The high-molecular ashless dispersant is succinimide T161A; the amine antioxidant is hindered phenol ester RHY505; the phenolic antioxidant is butyl octyl diphenylamine RHY057; the alpha-naphthylamine is N-phenyl-alpha-naphthylamine; the carbamate is dibutyl dithio carbamate; the ester anti-wear agent is sulfidized organic carboxylic acid ester; and the fatty amide is tall oil fatty amide or amine and ethylene oxide condensate.

[0024] The preparation method of the hydrogen fuel engine oil composite additive composition of the present application can be obtained by uniformly mixing the raw materials according to the above composition. The present application does not particularly limit the addition order, stirring rate and mixing temperature of the raw materials.

[0025] The hydrogen fuel engine oil composite additive composition of the present application is compounded by high-alkali-value magnesium sulfonate, low-alkali-value calcium sulfonate, high-alkali-value sulfidized calcium alkylphenate, high-molecular ashless dispersant, amine antioxidant, phenolic antioxidant, alpha-naphthylamine, dibutyl dithio carbamate, ester anti-wear agent and fatty amide, so that the performance of each component is organically synergized, and the hydrogen fuel engine oil with better water separation, demulsification, high-temperature detergency, oxidation resistance, nitration resistance, dispersibility and anti-wear performance is obtained under the condition of lower sulfated ash.

[0026] The hydrogen fuel engine oil composition of the present application comprises the following components by mass percentage: 14.4-15.5% of the hydrogen fuel engine oil composite additive composition, 7.0-9.0% of the OCP type viscosity index improver, 0.2-0.5% of the PMA type pour point depressant, and the balance is base oil, and the sum of the mass percentages of the above components is 100%.

[0027] The base oil is API II and API III base oil;

[0028] The preparation method of the hydrogen fuel engine oil composition of the present application can be obtained by uniformly mixing the raw materials according to the above composition. The present application does not particularly limit the addition order, stirring rate and mixing temperature of the raw materials.

[0029] The hydrogen fuel engine oil composite additive composition of the present application can be added to API II and III base oil, and mixed with the OCP type viscosity index improver and the PMA pour point depressant. Compared with the conventional diesel engine oil, the hydrogen fuel engine oil composition has the advantages of 50% improvement in water separation performance, 18% improvement in anti-wear performance and 23% improvement in corrosion resistance, and can meet the lubrication requirements of the hydrogen fuel engine.

[0030] Example 1

[0031] The hydrogen fuel engine oil composition of the present application has the following component contents:

[0032]

[0033]

[0034] Example 2

[0035] The hydrogen fuel engine oil composition of the present application has the following component contents:

[0036]

[0037]

[0038] Example 3

[0039] The hydrogen fuel engine oil composition of the present application has the following component contents:

[0040]

[0041]

[0042] Example 4

[0043] The hydrogen fuel engine oil composition of the present application has the following component contents:

[0044]

[0045] In order to test the performance of the hydrogen fuel engine oil complex additive composition, the hydrogen fuel engine oil complex additive composition was applied to API Class II, III base oil with OCP tackifier, PMA pour point depressant, and the blended test oil was tested (the comparative example was a commercially available gas engine oil), and the specific results are shown in Table 1.

[0046] Table 1 Oil Product Performance Test Results

[0047]

[0048] As can be seen from the above table, the blended oil products of Example 1-Example 4 showed slight differences in terms of oxidation resistance, wear resistance, detergency, and dispersing performance, and the water separation and emulsification performance of Example 3 was more excellent. Compared with the commercially available gas engine oil, the water separation performance of the oil product was improved by 50%, the wear resistance was improved by 18%, and the corrosion resistance was improved by 23%, which can meet the lubrication requirements of hydrogen fuel engines.

Claims

1. Use of a hydrogen fuel engine oil complex additive composition in a hydrogen fuel engine oil, characterized in that, The hydrogen fuel engine oil compound additive composition comprises the following components by mass percentage: 3.6-4.5% of high base number magnesium sulfonate, 14.0-18.0% of low base number calcium sulfonate, 3.3-3.8% of high base number calcium sulfided alkyl phenate, 3.0-4.0% of amine type antioxidant, 3.0-4.0% of phenolic antioxidant, 3.0-4.0% of alpha-naphthylamine, 2.0-2.6% of dibutyl dithiocarbamate, 1.3-1.7% of ester type anti-wear agent, 0.3-0.4% of amine and epoxy ethane condensate or tall oil fatty amide, and the balance is high molecular ashless dispersant; The high base number magnesium sulfonate has a base number of 395-420 mgKOH / g, and the high base number magnesium sulfonate is T107; the low base number calcium sulfonate has a base number of 20-35 mgKOH / g, and the low base number calcium sulfonate is T104; the high base number calcium sulfided alkyl phenate has a base number of 245-265 mgKOH / g, and the high base number calcium sulfided alkyl phenate is T115B; The alpha-naphthylamine is N-phenyl-alpha-naphthylamine; and the ester type anti-wear agent is sulfided organic carboxylic acid ester.

2. Use according to claim 1, wherein The high molecular ashless dispersant is succinimide T161A; the phenolic antioxidant is hindered phenol ester RHY505; and the amine type antioxidant is butyl octyl diphenylamine RHY057.

3. A hydrogen fuel engine oil composition characterized by, The hydrogen fuel engine oil compound additive composition comprises the following components by mass percentage: The hydrogen fuel engine oil compound additive composition 14.4-15.5% of the OCP type tackifier, 7.0-9.0% of the PMA type pour point depressant, and the balance is base oil; and the base oil is API Ⅱ and API Ⅲ base oil.

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