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Application of diesel engine oil composition

A diesel engine oil, diesel engine technology, applied in lubricating compositions, petroleum industry, additives, etc., can solve problems such as poor storage stability of new oil, and achieve excellent storage stability, improved solubility, and good technical effects. Effect

Active Publication Date: 2015-05-20
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the technical problems to be solved by the present invention is the problem of poor storage stability of diesel engine lubricating oil new oil in the prior art, and a new diesel engine oil composition is provided

Method used

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  • Application of diesel engine oil composition
  • Application of diesel engine oil composition
  • Application of diesel engine oil composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] According to the parts by weight in Table 1, weigh 30 grams of calcium petroleum sulfonate, 10 grams of octyl diphenylamine, 10 grams of barium dinonyl naphthalene sulfonate and 50 grams of base oil, and heat and stir at 50-60 °C 1 hour until completely homogeneous. See Table 1 for details.

[0021] 1.5% by weight and 2% by weight of the diesel engine oil composition of the present invention were weighed and added to new diesel engine oil products or existing diesel engine oil components, heated and stirred evenly to prepare test oil for later use.

[0022] Evaluate the effect of the diesel engine oil composition of the present invention, the method is as follows: Measure 100 milliliters of test oils in 100 milliliters conical tubes, place conical tubes in 60~105 ℃ oven, leave standstill for 168 hours, take out observation and Note the appearance of the reservoir and the formation of sediment. It is better to have no change in oil layer clarity and no precipitation. ...

Embodiment 2～14

[0024] Modulate the diesel engine oil composition according to each step of [Example 1], but change the consumption and composition of each component, see Table 1 for details. The test oil composition and test results are shown in Table 2. Other properties of the test oil, such as detergency and dispersibility, anti-oxidation and anti-corrosion properties, etc., were not affected.

[0025] Table 1

[0026]

[0027] Table 2

[0028]

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Abstract

The invention relates to a diesel engine oil composition and application thereof. The diesel engine oil composition and application thereof mainly solve the problem that new diesel engine oil is poor in storage stability in the prior art. The diesel engine oil composition comprises, by weight, 0.01-40 parts of amine compounds and 20-90 parts of base oil, wherein the amine compounds have the following chemical general formula (1), and in the formula (1), each of R, R' and R'' refers to H, aryl or alkyl containing 10-20 carbon atoms, but the R, the R' and the R'' cannot be H or alkyl simultaneously, and two of the R, the R' and the R'' cannot be a nonyl phenyl group simultaneously. By the aid of the technical scheme, the problem is solved more effectively, and the diesel engine oil composition can be used for industrial production of diesel engine oil.

Description

technical field [0001] The invention relates to a diesel engine oil composition and its application. Background technique [0002] Diesel engine oil consists of base oil and additives. Base oil is the main component of lubricating oil, accounting for 70-80% of the oil components, which determines the basic properties of lubricating oil; additives are to make up for and improve the performance of the base oil, and endow the lubricating oil with some new properties , is an important part of lubricating oil. Due to the progress of base oil processing technology in recent years, the depth of base oil refining has been continuously improved, and some polar substances in base oil have been greatly reduced. Solubility is declining; at the same time, the proportion of additives in diesel engine oil is relatively high, reaching 10 to 30%. Many additives added to the base oil will have hidden dangers of stability due to the problem of dissolution; in addition, diesel engines A larg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M133/06C10M133/12C10M141/08C10M141/06C10N40/25
Inventor 杨慧青王晓运王亚萍侯仲淼郑金花
Owner CHINA PETROLEUM & CHEM CORP