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Synthetic lubricating oil composition for high and low temperature and preparation method thereof

A synthetic lubricating oil, general-purpose technology, applied in the direction of lubricating composition, petroleum industry, etc., can solve the problem that lubricating oil cannot be used universally, achieve excellent oxidation stability, high flash point, and improve the effect of mechanical properties

Inactive Publication Date: 2014-08-13
ORDNANCE TECH RES INST OF THE GENERAL ARMAMENT DEPT PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] One of the purposes of the present invention is to provide a high and low temperature general-purpose synthetic lubricating oil composition to solve the problem that existing lubricating oils cannot be used universally in the north and south regions or in winter and summer

Method used

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  • Synthetic lubricating oil composition for high and low temperature and preparation method thereof
  • Synthetic lubricating oil composition for high and low temperature and preparation method thereof
  • Synthetic lubricating oil composition for high and low temperature and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Take 0.5kg of amine neutralized aliphatic alcohol phosphate, 0.5kg of 2,6-di-tert-butyl-p-cresol, 0.02kg of N,N' dialkylaminomethylene benzotriazole, neutral dinonylnaphthalenesulfonic acid Add 3kg of barium into 10kg of API-classified V oil in turn, and stir at a constant temperature of 80°C for 1 hour to obtain a mixture; then add 90kg of API-classified IV oil into the above mixture, and stir at a constant temperature of 80°C for 1 hour , made of high and low temperature general-purpose synthetic lubricating oil.

Embodiment 2

[0035] Take 0.5kg of di-n-butyl phosphite, 2.5kg of 2,6-di-tert-butyl-p-cresol, 0.03kg of V, N' dialkylaminomethylene benzene triazole, and 2kg of neutral barium dinonylnaphthalenesulfonate , and then added to 12.5kg of API-classified V oil in turn, and stirred at a constant temperature of 60°C for 1 hour to obtain a mixture; then 87.5kg of API-classified IV oil was added to the above mixture, and stirred at a constant temperature of 90°C for 5 hours , made of high and low temperature general-purpose synthetic lubricating oil.

Embodiment 3

[0037] Take 1 kg of amine neutralized aliphatic alcohol phosphate, 1 kg of 2,6-di-tert-butyl-p-cresol, 0.03 kg of N, N'--dialkylaminomethylene benzotriazole, neutral dinonyl naphthalene sulfonic acid Add 2kg of barium into 15kg of API-classified V oil in turn, stir at 70°C for 2 hours to obtain a mixture; then add 85kg of API-classified IV oil into the above mixture, and stir at 100°C for 2 hours , made of high and low temperature general-purpose synthetic lubricating oil.

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Abstract

The invention provides a synthetic lubricating oil composition for high and low temperature and a preparation method thereof. The synthetic lubricating oil composition comprises base oil and a plurality of additives, wherein the base oil consists of APPIIV type oil and APIV type oil, the mass ratio of which is (4-9):1. The additive is the optimization of anti-wear reagent at extreme pressure, antioxidant, metal deactivator and antirust agent. Compared with the existing lubricating oil, the lubricating oil composition has more excellent low temperature property; on the premise of guaranteeing the kinematic viscosity at high temperature of 100 DEG C not less than 5mm<2> / s, the kinematic viscosity at low temperature of minus 40 DEG C is much less than that of the existing product; the lubricating oil composition can be used in severe cold areas where are below 40DEG C, thus guaranteeing the normal operation of the machinery equipment in severe cold areas, meeting the use requirement of the lubricating oil composition being used both in north and south areas and both in summer and in winter, and being applicable to lubrication of a reducer of the machinery equipment.

Description

technical field [0001] The invention relates to a petrochemical product, in particular to a high and low temperature general-purpose synthetic lubricating oil composition and a preparation method thereof. Background technique [0002] Lubricating oil is a liquid lubricant used on various types of mechanical equipment to reduce friction and protect mechanical equipment and processed parts. It mainly plays the roles of lubrication, cooling, rust prevention, cleaning, sealing and buffering. However, due to the poor versatility of the existing lubricating oil, its low-temperature viscosity is very high, and the kinematic viscosity at -30°C is 6150mm 2 / s, the kinematic viscosity at -40°C cannot be measured, and it can only be used in areas where the ambient temperature is above -30°C. In the severe cold region of -40°C, the existing lubricating oil cannot meet the general oil requirements of the equipment, and it is necessary to replace the special oil with low viscosity grade....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10N30/08
Inventor 付洪瑞王本力刘淑真张改莉史程飞
Owner ORDNANCE TECH RES INST OF THE GENERAL ARMAMENT DEPT PLA
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