Lubricating oil

A lubricating oil and viscosity index technology, which is applied in the field of lubricating oil, can solve problems such as poor effect and great influence on speed, and achieve the effects of reducing fuel consumption, saving energy, and good use effect

Inactive Publication Date: 2015-03-25
全椒县新华机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount should not be too large, because when the amount is too large, there will be a square relationship resistance, which has a great impact on the speed, so special attention should be paid to the amount
Lubricating oil is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A lubricating oil, by weight, composed of 82 parts of base oil phosphate ester, 1.8 parts of zinc dialkyl dithiophosphate as anti-wear agent, 4 parts of succinimide as a detergent and dispersant, 0.22 parts of salicylate, and viscosity Index improver 3.6 parts of polymethacrylate, 0.5 part of antioxidant a-naphthylamine, 0.5 part of N,N-di-sec-butyl-p-phenylenediamine, extreme pressure antiwear additive 0.75 part of chlorinated paraffin, 0.3 part of rust remover The lubricating oil has a viscosity index of 150±1 and a viscosity at -20°C of 1650±6mm. 2 / s, the viscosity at 25℃ is 62±2mm 2 / s.

[0015] The rust inhibitor is benzotriazole.

[0016] The demulsifier is a polyoxypropane type derivative.

Embodiment 2

[0018] A lubricating oil, by weight, is composed of 85 parts of phosphoric acid ester, 0.9 parts of zinc dialkyldithiophosphate, anti-wear agent, 2.2 parts of succinimide, 2.2 parts of salicylate, and viscosity index improvement 3 parts of polymethacrylate, 0.25 parts of antioxidant a-naphthylamine, 0.32 parts of N,N-di-sec-butyl-p-phenylenediamine, 0.6 parts of extreme pressure antiwear additive chlorinated paraffin, 0.3 parts of rust remover, It is composed of 0.6 parts of demulsifier, the viscosity index of the lubricating oil is 155±1, and the viscosity at -20°C is 1700±5mm 2 / s, the viscosity at 25℃ is 58±2 mm 2 / s.

[0019] The rust inhibitor is one of sulfonate, benzotriazole, potassium dichromate, and sodium benzoate.

[0020] The demulsifier is a polyoxypropane type derivative.

Embodiment 3

[0022] A lubricating oil, by weight, is made up of 78 parts of phosphoric acid ester, 0.6 parts of zinc dialkyldithiophosphate as anti-wear agent, 3.5 parts of succinimide as detergent and dispersant, 2.5 parts of salicylate, and viscosity index improved 3 parts of polymethacrylate, 0.6 part of antioxidant a-naphthylamine, 0.4 part of N,N-di-sec-butyl-p-phenylenediamine, 0.8 part of extreme pressure antiwear additive chlorinated paraffin, 0.3 part of rust remover, It is composed of 0.6 parts of demulsifier, the viscosity index of the lubricating oil is 148±1, and the viscosity at -20°C is 1723±3mm 2 / s, the viscosity at 25℃ is 36±3 2 / s.

[0023] The polymethacrylate is a polymethacrylate used as a viscosity index improver produced by Shanghai Gaoqiao Petrochemical Company.

[0024] The rust inhibitor is one of sulfonate, benzotriazole, potassium dichromate, and sodium benzoate.

[0025] Anti-emulsifiers are polyoxypropane derivatives such as D114.

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PUM

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Abstract

The invention relates to lubricating oil. The lubricating oil consists of phosphate, dialkyl zinc dithiophosphate, succinimide, salicylate, polymethacrylate, an antioxidant alpha-naphthylamine, N,N-bisec-butyl p-phenylenediamine, chlorinated paraffin, a rust remover and a demulsifying agent. The lubricating oil disclosed by the invention is good in using effect in a relatively wide temperature range, applicable to be used as the lubricating oil for a diesel engine, small in viscosity in use, capable of commendably saving energy and reducing oil consumption, and also not too large in viscosity during low-temperature start in order to prevent the problem of difficulty in start.

Description

Technical field [0001] The invention belongs to the field of industrial oils, and specifically relates to a lubricating oil. Background technique [0002] When the engine is running, if some friction parts are not properly lubricated, dry friction will occur. Practice has proved that the heat generated by dry friction in a short period of time is enough to melt the metal, causing damage to the mechanical parts or even jamming (many water or oil leaking cars have troubles such as pulling cylinders and holding axles, the main reason is this). Therefore, the friction parts in the engine must be given good lubrication. When the lubricating oil flows to the friction part, it will adhere to the friction surface to form an oil film to reduce the resistance between the friction parts. The strength and toughness of the oil film are the key to its lubricating effect. However, the dosage should not be too large, because when the dosage is too large, it will produce resistance of the squar...

Claims

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Application Information

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IPC IPC(8): C10M169/04
Inventor 王臣王纯武
Owner 全椒县新华机械有限责任公司
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