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A kind of super low temperature resistant fully synthetic diesel engine oil and its preparation method

A fully synthetic, diesel engine technology, used in the petroleum industry, lubricating compositions, base materials, etc., to achieve excellent ultra-low temperature unbounded startability

Active Publication Date: 2016-03-09
沈阳迈腾石化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, energy shortage has become a problem in the world. The popularity and number of cars are increasing. How to make high-end lubricating oil without using petroleum mineral oil and using polymer synthetic materials instead of mineral oil. The cost is low, the performance is good, and it is not limited by the temperature environment. , longer service life, permanent protection of the engine system, so that the car can increase power, can save a lot of fuel, and naturally reduce emissions, which are the main technical issues

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  • A kind of super low temperature resistant fully synthetic diesel engine oil and its preparation method
  • A kind of super low temperature resistant fully synthetic diesel engine oil and its preparation method
  • A kind of super low temperature resistant fully synthetic diesel engine oil and its preparation method

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preparation example Construction

[0032] The present invention also provides a preparation method of ultra-low temperature resistant fully synthetic diesel engine oil, comprising the following steps:

[0033] 1) Under the catalytic polymerization of toluene, alkylbenzene and polymer binary ethylene propylene hydrocarbon are stirred and reacted at 80-110°C for 2-4 hours to obtain base oil;

[0034] 2) Stir molybdenum anti-wear energy-saving agent and dispersant at 40-60°C for 1-2 hours, then add boronized ashless dispersant, anti-oxidant and anti-corrosion agent and detergent and stir at 40-60°C for 1-2 hours 2 hours, get compound additive;

[0035] 3) Stir the base oil obtained in step 1 and the composite additive obtained in step 2 at 30-50°C for 1-2 hours, and perform coarse and fine filtration to obtain super low-temperature resistant fully synthetic diesel engine oil.

[0036] Among them, the polymer binary ethylene propylene hydrocarbon is a binary ethylene propylene rubber obtained by copolymerization o...

Embodiment 1

[0039] The invention provides a super low temperature resistant fully synthetic diesel engine oil, which consists of the following components in parts by weight:

[0040] 80 parts of alkylbenzene, 2 parts of polymer binary ethylene propylene hydrocarbon, 2 parts of toluene, 3 parts of high alkali value synthetic calcium sulfonate, 2.5 parts of monoalkenyl succinimide, 1.5 parts of thiadiazole derivatives, boron 3.5 parts of chemical ashless dispersant, 1.8 parts of molybdenum dialkyldithiophosphate.

[0041] Diesel engine oil preparation method:

[0042] 1) Mix the high-molecular binary ethylene propylene hydrocarbon with alkylbenzene in an enamel reaction kettle, drop toluene into it with a dropper, and react under toluene catalytic polymerization at 95°C for 3 hours, then vacuum extract the toluene to obtain the base oil; the index detection results of base oil are as shown in table 1;

[0043] 2) Stir dialkylmolybdenum dithiophosphate and monoalkenyl succinimide at 50°C f...

Embodiment 2

[0050] The invention provides a super low temperature resistant fully synthetic diesel engine oil, which consists of the following components in parts by weight:

[0051] 75 parts of alkylbenzene, 1 part of polymer binary ethylene propylene hydrocarbon, 1 part of xylene, 2 parts of calcium alkyl salicylate, 2 parts of polyisobutylene bis-succinimide, 1 part of zinc salt of sulfur phosphorus secondary alcohol , 3 parts of boride ashless dispersant, 0.5 parts of sulfur phosphorus nitrogen molybdenum complex.

[0052] Diesel engine oil preparation method:

[0053] 1) Mix the high-molecular binary ethylene propylene hydrocarbon with alkylbenzene in an enamel reaction kettle, drop xylene into it with a dropper, under the catalytic polymerization of toluene, stir and react at 110°C for 2 hours, and then vacuum extract the toluene to obtain Base oil; each index detection result of base oil is as shown in table 1;

[0054] 2) Stir the sulfur phosphorus nitrogen molybdenum complex wi...

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Abstract

The invention discloses super low-temperature resistant total-synthetic diesel engine oil which consists of the following components in parts by weight: 75-85 parts of alkylbenzene, 1-3 parts of high-molecular binary ethylene-propylene alkene, 1-3 parts of toluene or xylene, 2-4 parts of detergent, 2-3 parts of dispersant, 1-2 parts of anti-oxidation anti-corrosion agent, 3-4 parts of borate ashless dispersant and 0.5-3 parts of molybdate wear-resistant energy saving agent. The invention also provides a preparation method of the super low-temperature resistant total-synthetic diesel engine oil. The diesel engine oil disclosed by the invention is total-synthetic base oil, and the cost is lower than that of mineral oil and is over 60% lower than that of other synthetic base oil; moreover, the performance is good, and super energy conservation and emission reduction can be realized.

Description

technical field [0001] The invention relates to the technical field of diesel engine lubricating oil, in particular to a super-low temperature resistant fully synthetic diesel engine oil and a preparation method thereof. Background technique [0002] The increase in fuel consumption brought about by automobile traffic and the increase in demand for crude oil, and the implementation of mandatory national standards for fuel consumption limits for passenger vehicles, have made improving the fuel economy of automobiles and reducing automobile fuel consumption become a major issue in the automobile manufacturing industry and related industries. Technical problems that urgently need to be solved. [0003] Engine energy saving and emission reduction can be carried out in three main ways: changing and improving engine design, improving fuel quality and adopting lubricating oil energy saving technology. Confidence and durability testing due to engine design is usually time consuming...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10M141/12C10M161/00C10M105/06C10M177/00C10N30/06C10N30/04C10N40/25
Inventor 刘培田
Owner 沈阳迈腾石化有限公司
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