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A kind of synthetic gasoline engine oil and preparation method thereof

A gasoline engine and blended oil technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of shortened engine oil deterioration time, vehicle mechanical wear, failure, etc., and achieve excellent deposition control and equipment cleanliness, high and low temperature performance Excellent and safe to use

Active Publication Date: 2015-12-09
TEXAS PETROCHEM YANTAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of the automobile industry and the application of technologies such as multi-valve, turbocharging, and in-cylinder direct injection, gasoline engine oil in the traditional sense is easily oxidized and deteriorated by high temperature during use, resulting in colloid, moisture, sludge, etc. Shorten the deterioration time of engine oil, and then cause vehicle mechanical wear or failure, etc. Traditional gasoline engine oil can no longer meet people's requirements for gasoline engine oil at this stage

Method used

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  • A kind of synthetic gasoline engine oil and preparation method thereof
  • A kind of synthetic gasoline engine oil and preparation method thereof
  • A kind of synthetic gasoline engine oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: (in terms of 100 kilograms, the same below)

[0026]

[0027] The composite additive package contains 3.41% calcium, 1.62% zinc, 0.99% nitrogen, 1.47% phosphorus, 0.16% molybdenum and 3.85% sulfur.

[0028] The preparation method of this synthetic gasoline engine oil adopts the following steps:

[0029] (1) Pump the oil-soluble polyalkylene glycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 60°C to obtain a mixed oil A;

[0030] (2) Add the above-mentioned compound additive package and viscosity index improver (polymethacrylate) to the mixed oil A prepared in step (1), and continue mechanical stirring at a constant temperature of 60°C for 2 hours to prepare mixed oil B ;

[0031] (3) Filter the blended oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.2 MPa to obtain a clear and transparent syntheti...

Embodiment 2

[0033]

[0034] The composite additive package contains 2.44% calcium, 1.10% zinc, 0.86% nitrogen, 1.02% phosphorus and 0.12% molybdenum.

[0035] The preparation method of this synthetic gasoline engine oil adopts the following steps:

[0036] (1) Pump the oil-soluble polyalkylene glycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 55°C to obtain a mixed oil A;

[0037] (2) Add the above-mentioned compound additive package and viscosity index improver (hydrogenated styrene isoprene copolymer) to the mixed oil A prepared in step (1), and continue mechanical stirring for 1.5 hours at a constant temperature of 55°C. Prepare mixed oil B;

[0038] (3) Filter the blended oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.15 MPa to obtain a clear and transparent synthetic gasoline engine oil.

Embodiment 3

[0040]

[0041] The composite additive package contains 2.19% calcium, 0.97% zinc, 0.76% nitrogen, 0.88% phosphorus and 0.11% molybdenum.

[0042] The preparation method of this synthetic gasoline engine oil adopts the following steps:

[0043] (1) Pump the oil-soluble polyalkylene polyglycol and synthetic hydrocarbon base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 50°C to obtain a mixed oil A;

[0044] (2) Add the above-mentioned compound additive package and viscosity index improver (polymethacrylate) to the mixed oil A prepared in step (1), and continue mechanical stirring at a constant temperature of 50°C for 1 hour to prepare mixed oil B ;

[0045] (3) Filter the blended oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.1 MPa to obtain a clear and transparent synthetic gasoline engine oil.

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Abstract

The invention relates to the field of engine oil and particularly discloses synthesized petrol engine oil and a preparation method thereof. The synthesized petrol engine oil is prepared by the following ingredients by weight percent: 5.31-9.5% of a compound additive bag, 5.0-9.0% of a viscosity index modifier, 75-85% of oil soluble polyalkylene glycol, and the balance of base oil. The synthesized petrol engine oil and the preparation method thereof have the benefits that the ingredients are reasonable, high-temperature oxidation stability, thermal stability, cleaning performance and dispersibility are highlighted to achieve the balance and the unification of the whole performance; the synthesized petrol engine oil is suitable for places required to use oil which is not lower than an API (American Petroleum Institute) SL quality level, can be used for modern high-performance petrol engines and can meet the use requirements of advanced automobiles adopting the novel technologies that turbo charging and direct fuel injection are achieved and catalytic converters are assembled; the synthesized petrol engine oil has excellent low-temperature flowing property and high-temperature oxidation stability, the wear of engine parts and the generation of harmful deposits can be comprehensively inhibited, and the oil exchange period is prolonged.

Description

(1) Technical field [0001] The invention relates to the field of engine oil, in particular to a synthetic gasoline engine oil and a preparation method thereof. (2) Background technology [0002] With the development of the automobile industry and the application of technologies such as multi-valve, turbocharging, and in-cylinder direct injection, gasoline engine oil in the traditional sense is easily oxidized and deteriorated by high temperature during use, resulting in colloid, moisture, sludge, etc. The deterioration time of the engine oil is shortened, which will cause mechanical wear or failure of the vehicle. The traditional gasoline engine oil can no longer meet people's requirements for gasoline engine oil at this stage. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the invention provides a synthetic gasoline engine oil with reasonable components, good low-temperature fluidity and high-temperature oxidation stabili...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10M177/00C10N40/25C10N30/10C10N30/04
Inventor 王述申李晓丽
Owner TEXAS PETROCHEM YANTAI
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