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Lubricating oil for motor and preparation method thereof

A lubricating oil and base oil technology, applied in the field of lubricating oil, can solve problems such as ignoring the acidity and alkalinity of lubricating oil, corroding the motor, and affecting the life of the motor

Inactive Publication Date: 2015-08-12
ANHUI YUANFENG PIPELINE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Lubricating oil is an essential chemical substance in the process of motor operation and maintenance. In order to make the lubricating oil have excellent viscosity and kinematic viscosity index, the existing lubricating oil manufacturers often add a

Method used

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preparation example Construction

[0015] The present invention also provides a preparation method of lubricating oil for motors, comprising base oil, antioxidant, barium dinonylnaphthalene sulfonate, tricresyl phosphate, alkylnaphthalene, methyl silicone oil, polyethylene oxide and 12-hydroxy lithium stearate is mixed; wherein, the weight average molecular weight of polyethylene oxide is 1000-3000, and the weight average molecular weight of alkylnaphthalene is 2000-4000.

[0016] In the present invention, preferably, the amount of each component of the lubricating oil can be selected within a wide range. In order to make the lubricating oil have excellent viscosity and kinematic viscosity index and its pH is neutral, relative to 100 parts by weight of base oil , the consumption of antioxidant is 3-11 weight part, the consumption of barium dinonyl naphthalene sulfonate is 5-10 weight part, the consumption of tricresyl phosphate is 5-7 weight part, the consumption of alkyl naphthalene is 3- 6 parts by weight, th...

Embodiment 1

[0025] At 130°C, 5kg PAO7, 2.5kg PAO25, 2.5kg PAO40, 0.7kg butyl hydroxyanisole, 0.7kg dinonyl naphthalene barium sulfonate, 0.6kg tricresyl phosphate, 0.5 alkyl naphthalene, 0.5 methyl Silicone oil, 0.8kg polyethylene oxide and 0.5kg of lithium 12-hydroxystearate are mixed to make motor lubricating oil A1, and detect the viscosity index, kinematic viscosity and pH of the lubricating oil. The test results are shown in Table 1. Wherein, the weight average molecular weight of polyethylene oxide is 2000, and the weight average molecular weight of alkylnaphthalene is 3000.

Embodiment 2

[0027] At 130°C, 5kg PAO7, 2.5kg PAO25, 2.5kg PAO40, 0.3kg butyl hydroxyanisole, 0.5kg barium dinonyl naphthalene sulfonate, 0.5kg tricresyl phosphate, 0.3 alkyl naphthalene, 0.2 methyl Silicone oil, 0.3kg polyethylene oxide and 0.4kg of lithium 12-hydroxystearate are mixed to make lubricating oil A2 for motors, and detect the viscosity index, kinematic viscosity and pH of the lubricating oil. The test results are shown in Table 1. Wherein, the weight average molecular weight of polyethylene oxide is 2000, and the weight average molecular weight of alkylnaphthalene is 3000.

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Abstract

The invention discloses a lubricating oil for motors and a preparation method thereof. The lubricating oil comprises a base oil, an antioxidant, dinonyl naphthalene barium sulfonate, tricresyl phosphate, alkylnaphthalene, silicone oil, polyethylene and lithium 12-hydroxystearate, wherein the polyethylene oxide has a weight average molecular weight of 1000-3000, and the alkyl naphthalene has weight average molecular weight of 2000-4000. The lubricating oil has excellent viscosity, kinematic viscosity index and pH value of 6-8; while the preparation method of the lubricating oil is simple; and the raw materials are easily available.

Description

technical field [0001] The invention relates to lubricating oil, in particular to a lubricating oil for motors and a preparation method thereof. Background technique [0002] Lubricating oil is an essential chemical substance in the process of motor operation and maintenance. In order to make the lubricating oil have excellent viscosity and kinematic viscosity index, the existing lubricating oil manufacturers often add a series of additives to the lubricating oil, but ignore the lubricating oil. The acidity and alkalinity of the oil makes the lubricating oil corrode the motor while lubricating and protecting the motor, which seriously affects the life of the motor. Contents of the invention [0003] The purpose of the present invention is to provide a kind of lubricating oil for motor, the lubricating oil has excellent viscosity and kinematic viscosity index, and the pH of the lubricating oil is 6-8, the method for preparing the lubricating oil is simple, and the raw mater...

Claims

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Application Information

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IPC IPC(8): C10M161/00C10M169/04C10N30/02C10N30/12C10N40/14
Inventor 伍克军
Owner ANHUI YUANFENG PIPELINE TECH CO LTD
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