CN105176633A - Composite additive for engine lubricating oil and preparation method thereof - Google Patents
Composite additive for engine lubricating oil and preparation method thereof Download PDFInfo
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- CN105176633A CN105176633A CN201510685696.0A CN201510685696A CN105176633A CN 105176633 A CN105176633 A CN 105176633A CN 201510685696 A CN201510685696 A CN 201510685696A CN 105176633 A CN105176633 A CN 105176633A
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Abstract
The invention relates to a composite additive for engine lubricating oil and a preparation method thereof, belonging to the technical field of oil-gas additives. The composite additive for engine lubricating oil comprises the following components in parts by weight: 8-10 parts of ethyl 5-animo-1-methyl-1H-benzimidazolyl-2-butyrate, 2-5 parts of lanolin, 4-10 parts of N,N-di(2-hydroxyethyl)-2-taurine, 1-2 parts of alkyl glycoside, 0.2-0.6 part of isopropyl-beta-D-thiogalactoside, 0.5-1 part of butanedioic acid, 0.5-1 part of succinic acid, 1.2-1.6 parts of sodium carbonate, 2-4 parts of centella extract and 30-40 parts of ethanol. The composite additive for engine lubricating oil has favorable cleaning and dispersion properties and excellent oxygen and corrosion resistance, and can not cause secondary pollution on the engine.
Description
Technical field
The invention belongs to oil gas additive technical field, be specifically related to a kind of engine oil composite additive and preparation method thereof.
Background technology
Engine in the running, all producing friction between its piston ring and cylinder sleeve, piston and cylinder sleeve and each parts such as cam and rocking arm, in order to alleviate the loss that above-mentioned parts produce because of friction, generally all can use lubricating oil.And the performance of lubricating oil is very crucial, its performance quality is directly connected to the work-ing life of engine.
In addition the top land of engine and piston ring or its bottom; easy generation carbon distribution and or form some colloidal substances thick substances; when having these impurity and difficult cleaning thing; the result of use of lubricating oil can be had a greatly reduced quality; and when these materials appear in engine; usually can cause piston short circuit, vent valve gas leakage or make oil gas premature ignition, even there will be the phenomenons such as sticky ring, scuffing of cylinder bore.Although existing lubricating oil has certain lubricant effect, but its cleansing performance and antioxygen corrosion resistance nature poor, and the performance of lubricating oil often has much relations with the additive wherein added, multiple additives can be added in the good lubricating oil of general property, the consumption of additive is also very large, and therefore a kind of additive having good cleansing performance and antioxygen corrosion resistance nature concurrently just seems particularly important.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, and a kind of intrinsic motivation lubricating oil composite additive and preparation method thereof is provided, this engine oil composite additive has good detergent-dispersant performance with excellent antioxygen corrosion resistance nature, and can not cause secondary pollution to engine.
The technical solution used in the present invention is as follows:
Engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 8-10 part, lanolin 2-5 part, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 4-10 part, alkyl glycoside 1-2 part, isopropyl-β-D-thiogalactoside(IPTG) 0.2-0.6 part, succinic acid 0.5-1 part, succsinic acid 0.5-1 part, sodium carbonate 1.2-1.6 part, Herba Centellae extract 2-4 part, ethanol 30-40 part.
Further, described engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9-9.8 part, lanolin 3-4 part, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 6-8 part, alkyl glycoside 1.2-1.8 part, isopropyl-β-D-thiogalactoside(IPTG) 0.3-0.4 part, succinic acid 0.6-0.9 part, succsinic acid 0.6-0.8 part, sodium carbonate 1.3-1.5 part, Herba Centellae extract 2.5-3.8 part, ethanol 35-38 part.
Further, described engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9 parts, 3 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 6 parts, alkyl glycoside 1.2 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.3 part, succinic acid 0.6 part, succsinic acid 0.6 part, 1.3 parts, sodium carbonate, Herba Centellae extract 2.5 parts, ethanol 35 parts.
Further, described engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9.8 parts, 4 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 8 parts, alkyl glycoside 1.8 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.4 part, succinic acid 0.9 part, succsinic acid 0.8 part, 1.5 parts, sodium carbonate, Herba Centellae extract 3.8 parts, ethanol 38 parts.
The preparation method of described engine oil composite additive, comprise the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, isopropyl-β-D-thiogalactoside(IPTG), succinic acid, succsinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 10-15min, obtains described engine oil composite additive.
compared with prior art, its beneficial effect is in the present invention:
Engine oil composite additive of the present invention not only gives lubricating oil good detergent-dispersant performance energy, also makes lubricating oil have excellent corrosion resistance, can effectively prevent engine from getting rusty and carbon distribution; In addition the preparation method of engine oil composite additive of the present invention is simple, is suitable for applying on a large scale.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting scope of the present invention.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can by buying the conventional products obtained.Herba Centellae extract in the present invention is bought by sky, Xi'an one Biotechnology Ltd. and is obtained, and also can conveniently extract and obtain by extracting method, as being leach after solvent percolation extracts to be concentrated into without alcohol taste with ethanol.
embodiment 1
Engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9 parts, 3 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 6 parts, alkyl glycoside 1.2 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.3 part, succinic acid 0.6 part, succsinic acid 0.6 part, 1.3 parts, sodium carbonate, Herba Centellae extract 2.5 parts, ethanol 35 parts.
The preparation method of described engine oil composite additive, comprise the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, isopropyl-β-D-thiogalactoside(IPTG), succinic acid, succsinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 12min, obtains described engine oil composite additive.
embodiment 2
Engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9.8 parts, 4 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 8 parts, alkyl glycoside 1.8 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.4 part, succinic acid 0.9 part, succsinic acid 0.8 part, 1.5 parts, sodium carbonate, Herba Centellae extract 3.8 parts, ethanol 38 parts.
The preparation method of described engine oil composite additive, comprise the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, isopropyl-β-D-thiogalactoside(IPTG), succinic acid, succsinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 13min, obtains described engine oil composite additive.
embodiment 3
Engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 8 parts, 2 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 4 parts, alkyl glycoside 1 part, isopropyl-β-D-thiogalactoside(IPTG) 0.2 part, succinic acid 0.5 part, succsinic acid 0.5 part, 1.2 parts, sodium carbonate, Herba Centellae extract 2 parts, ethanol 30 parts.
The preparation method of described engine oil composite additive, comprise the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, isopropyl-β-D-thiogalactoside(IPTG), succinic acid, succsinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 10min, obtains described engine oil composite additive.
embodiment 4
Engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 10 parts, 5 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 10 parts, alkyl glycoside 2 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.6 part, succinic acid 1 part, succsinic acid 1 part, 1.6 parts, sodium carbonate, Herba Centellae extract 4 parts, ethanol 40 parts.
The preparation method of described engine oil composite additive, comprise the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, isopropyl-β-D-thiogalactoside(IPTG), succinic acid, succsinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 15min, obtains described engine oil composite additive.
comparative example 1
Comparative example 1 is with the difference of embodiment 1: do not add isopropyl-β-D-thiogalactoside(IPTG) and succsinic acid, specific as follows:
Engine oil composite additive, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9 parts, 3 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 6 parts, alkyl glycoside 1.2 parts, succinic acid 0.6 part, 1.3 parts, sodium carbonate, Herba Centellae extract 2.5 parts, ethanol 35 parts.
The preparation method of described engine oil composite additive, comprise the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, succinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 12min, obtain described engine oil composite additive.
Embodiment of the present invention 1-4 products obtained therefrom and comparative example 1 products obtained therefrom are mixed according to mass ratio 1:12 with commercially available plain oil, test its performance, detected result is as shown in table 1:
Table 1 performance detection data
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Reference examples 1 | |
| To greasy dirt dust and dirt clearance, % | 96 | 95 | 95.2 | 94.9 | 65 |
| Kinematic viscosity, mm 2/s，25℃ | 35.57 | 35.89 | 36.24 | 37.04 | 38.82 |
| Copper corrosion, 120 DEG C, 6h | Copper sheet surface is unchanged | Copper sheet surface is unchanged | Copper sheet surface is unchanged | Copper sheet surface is unchanged | There is a small amount of black on copper sheet surface |
| Carbon cleaning rate, % | 90 | 89 | 88 | 88 | 50 |
As seen from the above table, engine oil composite additive of the present invention has good detergent-dispersant performance energy and excellent corrosion resistance, can effectively prevent engine from getting rusty and carbon distribution.
Claims (5)
1. engine oil composite additive, it is characterized in that, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 8-10 part, lanolin 2-5 part, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 4-10 part, alkyl glycoside 1-2 part, isopropyl-β-D-thiogalactoside(IPTG) 0.2-0.6 part, succinic acid 0.5-1 part, succsinic acid 0.5-1 part, sodium carbonate 1.2-1.6 part, Herba Centellae extract 2-4 part, ethanol 30-40 part.
2. engine oil composite additive according to claim 1, it is characterized in that, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9-9.8 part, lanolin 3-4 part, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 6-8 part, alkyl glycoside 1.2-1.8 part, isopropyl-β-D-thiogalactoside(IPTG) 0.3-0.4 part, succinic acid 0.6-0.9 part, succsinic acid 0.6-0.8 part, sodium carbonate 1.3-1.5 part, Herba Centellae extract 2.5-3.8 part, ethanol 35-38 part.
3. engine oil composite additive according to claim 1, it is characterized in that, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9 parts, 3 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 6 parts, alkyl glycoside 1.2 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.3 part, succinic acid 0.6 part, succsinic acid 0.6 part, 1.3 parts, sodium carbonate, Herba Centellae extract 2.5 parts, ethanol 35 parts.
4. engine oil composite additive according to claim 1, it is characterized in that, comprise the following component according to weight parts: 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate 9.8 parts, 4 parts, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid 8 parts, alkyl glycoside 1.8 parts, isopropyl-β-D-thiogalactoside(IPTG) 0.4 part, succinic acid 0.9 part, succsinic acid 0.8 part, 1.5 parts, sodium carbonate, Herba Centellae extract 3.8 parts, ethanol 38 parts.
5. the preparation method of engine oil composite additive according to claim 1, it is characterized in that comprising the steps: according to described weight proportion, by 5-amino-1-methyl isophthalic acid H-benzimidazolyl-2 radicals-ethyl butyrate, lanolin, N, N-bis-(2-hydroxyethyl)-2-aminoethyl sulfonic acid, alkyl glycoside, isopropyl-β-D-thiogalactoside(IPTG), succinic acid, succsinic acid, Herba Centellae extract add in ethanol successively, stir, after add sodium carbonate, ultrasonic mixing 10-15min, obtains described engine oil composite additive.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353964A (en) * | 2017-08-16 | 2017-11-17 | 杨杰东 | A kind of antifriction antiwear type lubricating oil additive and preparation method thereof |
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| CN102776052A (en) * | 2012-05-14 | 2012-11-14 | 清华大学 | Water-soluble metal antirusting agent and preparation method thereof |
| WO2014019975A1 (en) * | 2012-07-30 | 2014-02-06 | Shell Internationale Reserach Maatschappij B.V. | Lubricating oil composition for internal combustion engines |
| CN104804824A (en) * | 2015-04-25 | 2015-07-29 | 青岛文晟汽车零部件有限公司 | Anti-extreme-pressure lubricant for internal combustion engine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776052A (en) * | 2012-05-14 | 2012-11-14 | 清华大学 | Water-soluble metal antirusting agent and preparation method thereof |
| WO2014019975A1 (en) * | 2012-07-30 | 2014-02-06 | Shell Internationale Reserach Maatschappij B.V. | Lubricating oil composition for internal combustion engines |
| CN104804824A (en) * | 2015-04-25 | 2015-07-29 | 青岛文晟汽车零部件有限公司 | Anti-extreme-pressure lubricant for internal combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353964A (en) * | 2017-08-16 | 2017-11-17 | 杨杰东 | A kind of antifriction antiwear type lubricating oil additive and preparation method thereof |
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Application publication date: 20151223 |