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Ultra-low temperature total synthesis engine oil

A kind of engine oil, fully synthetic technology, applied in the petroleum industry, lubricating composition, etc., can solve the problems of the engine not running normally, and achieve the effect of protecting the engine and excellent high-temperature oxidation resistance

Inactive Publication Date: 2013-06-12
杨敏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to global warming, extreme cold weather is common in some places, which prevents the engine from running properly

Method used

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  • Ultra-low temperature total synthesis engine oil
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  • Ultra-low temperature total synthesis engine oil

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Experimental program
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Embodiment example

[0018] Implementation case (mass percentage, measured by %) is as follows:

[0019]

[0020] Preparation method of viscosity index improver: Add polyalphaolefin into the reaction kettle and stir, and heat to 120-130°C, add 10 parts of ethylene-propylene copolymer dry glue cut into small pieces until the ethylene-propylene copolymer dry glue is completely dissolved, Stop heating, cool to 50-60 ℃ and fill for later use.

[0021] Refined oil blending: Add liquid A raw materials into the reactor, pulse blend at 60-70°C for about 1 hour, then add liquid B into the reactor at 60-70°C and pulse blend for about 1 hour to prepare lubricating oil.

[0022] The raw material compatibility is as follows:

[0023] The molecular formula of polyalphaolefin is -(CnCH2n)-n.

[0024] Polyalphaolefin is a mixture of PAO4, PAO6, and PAO8 (PAO is a synthetic hydrocarbon base oil), which can be adjusted according to different viscosity grades. Polyalphaolefin has the advantages of high viscosi...

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Abstract

The invention discloses ultra-low temperature total synthesis engine oil which comprises an anti-wear reagent at extreme pressure, an antioxidant, a clearing agent, a dispersing agent, a viscosity index improver, an anti-foaming agent, alkyl naphthalene and poly alpha olefin. By mass, the anti-wear reagent at the extreme pressure is of 0.5-1.5%, the antioxidant is of 0.5-0.8%, the clearing agent is of 3.0-6.0%, the dispersing agent is of 2.0-5.0%, the viscosity index improver is of 5.0-10.0%, the anti-foaming agent is of 0.01%, the alkyl naphthalene is of 15.0-20.0% and the balance is the poly alpha olefin. The ultra-low temperature total synthesis engine oil can be applied to a number of extremely cold regions, the low-temperature starting performance and the high-temperature oxidation resistance performance are excellent, generation of oil sludge can be well controlled, and an engine is protected.

Description

technical field [0001] The invention relates to an engine oil, in particular to an ultra-low temperature fully synthetic engine oil. Background technique [0002] Due to global warming, extreme cold weather is common in some places, which prevents the engine from running properly. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a kind of ultra-low temperature fully synthetic engine oil, which can be applied in some extremely cold regions. engine. [0004] The present invention solves the above-mentioned technical problems through the following technical solutions: a kind of ultra-low temperature fully synthetic engine oil, which is characterized in that it is composed of extreme pressure antiwear agent, antioxidant, detergent, dispersant, viscosity index improver, Antifoaming agent, alkylnaphthalene, polyalphaolefin, the mass percent of each raw material is: [0005] [0006] Preferably, said polyalphaolefi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N40/25C10N30/10C10N30/06C10N30/04C10N30/02C10N30/18
Inventor 杨敏
Owner 杨敏
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