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Preparation method of lubricating oil for engineering machinery

A technology for lubricating oil and industrial machinery, applied in the field of preparation of lubricating oil for construction machinery, to achieve the effects of improving viscosity change, excellent compression and wear resistance, and good thermal stability

Inactive Publication Date: 2018-07-20
安徽九德至善科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid development of machinery, high speed, high load, high and low temperature conditions are becoming more and more compact, and traditional lubricating materials are difficult to meet the needs of mechanical development. The preparation method of lubricating oil for construction machinery has important market value

Method used

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  • Preparation method of lubricating oil for engineering machinery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: the preparation of acrylic acid-itaconic acid copolymer

[0018] 1) Weigh 10.8g of acrylic acid and 6.5g of itaconic acid and mix them, then add 100ml of sodium hydroxide solution with a concentration of 20g / L, stir and react for 1.5h to obtain reactant 1;

[0019] 2) Heat the reactant 1 to 60°C, and keep the temperature, first add 65 mg of Ni molybdate and stir evenly, then add 325 mg of isopropanol and 97.5 mg of azobisisobutyronitrile to obtain the reactant 2;

[0020] 3) Add 2 times the volume of ethanol solvent to reactant 2, reflux reaction at 60° C. for 5 hours, and then recover ethanol by distillation under reduced pressure to obtain acrylic acid-itaconic acid copolymer.

Embodiment 2

[0021] Embodiment 2: the preparation of acrylic acid-itaconic acid copolymer

[0022] 1) Weigh 18g of acrylic acid and 6.5g of itaconic acid and mix them, then add 100ml of sodium hydroxide solution with a concentration of 20g / L, stir and react for 2h to obtain reactant 1;

[0023] 2) Heat reactant 1 to 65°C, and keep the temperature, first add 65 mg of Ni molybdate and stir evenly, then add 455 mg of isopropanol and 65 mg of azobisisobutyronitrile to obtain reactant 2;

[0024] 3) Add 2.5 times the volume of ethanol solvent to reactant 2, reflux at 65° C. for 6 hours, and then recover ethanol by distillation under reduced pressure to obtain acrylic acid-itaconic acid copolymer.

Embodiment 3

[0025] Embodiment 3: the preparation of lubricating oil

[0026] 1) prepare each raw material component of following parts by weight: the base oil of 94 parts by weight, the calcium sulfonate of 1.5 parts by weight, the phosphorous acid ester of 2 parts by weight, the polyethylene glycol octyl phenyl ether of 3 parts by weight, 1 weight part of polyethylene wax, 3 weight parts of black copper powder, 0.5 weight part of zirconium hydroxide, 2 weight parts of stearic acid, 2 weight parts of chlorinated paraffin, 5 weight parts of acrylic acid-itaconic acid copolymer The polymethacrylate of 2 weight parts, the trilinoleic acid glyceride of 2 weight parts, the dienyl succinimide of 1 weight part, the trihydroxybenzoic acid of 1 weight part;

[0027] 2) Take acrylic acid-itaconic acid copolymer (prepared in Example 1), polymethacrylate, glyceryl trilinoleate, dienyl succinimide, and trihydroxybenzoic acid, mix and heat to 45°C to obtain mixture one;

[0028] 3) Add black copper p...

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Abstract

The invention discloses a preparation method of lubricating oil for engineering machinery. The method comprises the following steps of (1) taking 3 to 5 parts of acrylic acid-itaconic acid copolymers,1 to 2 parts of polymethacrylate, 2 to 3 parts of trilinolein, 1 to 2 parts of dialkenyl succinimide and 1 to 2 parts of trihydroxybenzoic acid; performing mixing and heating to 40 to 50 DEG C to obtain a first mixture; (2) firstly adding 2 to 3 parts of black copper powder into the first mixture; performing mixing and stirring for 10 to 15 min; then, adding 0.5 to 1 part of zirconium hydroxide;performing uniform stirring; then, raising the temperature to 85 to 95 DEG C; performing heat insulation for 20 to 30 min; adding 1 to 2 parts of stearic acid and 2 to 3 parts of chlorinated paraffin;performing uniform stirring; obtaining a second mixture; (3) taking 90 to 95 parts of basic oil, 1 to 1.5 parts of calcium sulfonate, 1 to 3 parts of phosphite ester, 2 to 3 parts of polyethylene glycol octylphenol ether and 1 to 2 parts of polyethylene wax; performing sufficient mixing and heating to 60 to 70 DEG C; then, adding the second mixture; performing uniform stirring and cooling to obtain lubricating oil. The lubricating oil prepared by the method provided by the invention has the excellent pressure-resistant and wear-resistant performance and high thermal stability.

Description

technical field [0001] The invention belongs to the technical field of lubrication, and in particular relates to a preparation method of lubricating oil for engineering machinery. Background technique [0002] Lubricants are widely used in mechanical equipment to improve equipment efficiency and reduce energy consumption. Lubricants used on some large equipment must have the characteristics of high temperature resistance, good compression and wear resistance. With the rapid development of machinery, high speed, high load, high and low temperature conditions are becoming more and more compact, and traditional lubricating materials are difficult to meet the needs of mechanical development. The preparation method of lubricating oil for construction machinery has important market value. Contents of the invention [0003] The object of the present invention is to provide a preparation method of lubricating oil for engineering machinery with good compression resistance, wear r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10M125/04C10N30/06
CPCC10M125/04C10M169/044C10M2201/05C10M2201/062C10M2205/14C10M2207/126C10M2207/144C10M2207/283C10M2209/08C10M2209/084C10M2209/086C10M2209/104C10M2209/108C10M2211/08C10M2215/086C10M2219/044C10M2223/049C10N2030/06C10N2010/04
Inventor 不公告发明人
Owner 安徽九德至善科技有限公司