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Automatic gearbox oil and preparation method thereof

An automatic gearbox, selected technology, applied in the field of lubricating oil, can solve the problems of poor cleaning and dispersibility, general friction performance, short service life, etc., and achieve the effects of ensuring oxidation stability, low static friction coefficient, and avoiding accumulation

Inactive Publication Date: 2018-11-02
SHANGHAI DELIAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Automatic transmission fluids are mainly used in automatic transmission systems of cars and light trucks. With the rapid development of the automatic transmission manufacturing industry, the requirements for automatic transmission fluids in the market are also increasing. Extreme pressure and anti-wear performance, low temperature fluidity and oxidation Stability is an important indicator for examining automatic transmission fluids. However, most of the automatic transmission fluids currently on the market have short service life, easy foaming, poor lubricating effect, no anti-oxidation, poor cleaning and dispersibility, and general friction performance. The shortcomings, can not meet the needs of the market

Method used

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  • Automatic gearbox oil and preparation method thereof
  • Automatic gearbox oil and preparation method thereof
  • Automatic gearbox oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Prepare raw materials according to the following components and parts by weight thereof:

[0029]

[0030] The base oil has a kinematic viscosity of 8mm at 100°C 2 / s polyα-olefin, the detergent and dispersant is succinimide having an alkenyl group or an alkyl group with a mass average molecular weight of 1,000 to 1,400.

[0031] After the above-mentioned raw materials are prepared, the preparation is carried out according to the following steps:

[0032] S1: Prepared base oil, polymethacrylate, detergent and dispersant, alkylated phenyl-α-naphthylamine, liquid benzotriazole derivatives, chlorinated paraffin, dialkyldithiocarbamic acid Mix the esters in a stirrer, stir at 70°C for 50 minutes, then add the prepared perfluoropolyether grease, stir at 70°C for 15 minutes, and cool to room temperature to obtain mixture A;

[0033] S2: Filter the mixture A cooled to room temperature in S1 under a pressure of 0.2 MPa.

Embodiment 2

[0035] Prepare raw materials according to the following components and parts by weight thereof:

[0036]

[0037] The base oil has a kinematic viscosity of 8mm at 100°C 2 / s polyα-olefin, the detergent and dispersant is succinimide having an alkenyl group or an alkyl group with a mass average molecular weight of 1,000 to 1,400.

[0038] After the above-mentioned raw materials are prepared, the preparation is carried out according to the following steps:

[0039] S1: Prepared base oil, polymethacrylate, detergent and dispersant, alkylated phenyl-α-naphthylamine, liquid benzotriazole derivatives, chlorinated paraffin, dialkyldithiocarbamic acid Mix the esters in a stirrer, stir at 70°C for 50 minutes, then add the prepared perfluoropolyether grease, stir at 70°C for 15 minutes, and cool to room temperature to obtain mixture A;

[0040] S2: Filter the mixture A cooled to room temperature in S1 under a pressure of 0.2 MPa.

Embodiment 3

[0042] Prepare raw materials according to the following components and parts by weight thereof:

[0043]

[0044]

[0045] The base oil has a kinematic viscosity of 8mm at 100°C 2 / s polyα-olefin, the detergent and dispersant is succinimide having an alkenyl group or an alkyl group with a mass average molecular weight of 1,000 to 1,400.

[0046] After the above-mentioned raw materials are prepared, the preparation is carried out according to the following steps:

[0047] S1: Prepared base oil, polymethacrylate, detergent and dispersant, alkylated phenyl-α-naphthylamine, liquid benzotriazole derivatives, chlorinated paraffin, dialkyldithiocarbamic acid Mix the esters in a stirrer, stir at 70°C for 50 minutes, then add the prepared perfluoropolyether grease, stir at 70°C for 15 minutes, and cool to room temperature to obtain mixture A;

[0048] S2: Filter the mixture A cooled to room temperature in S1 under a pressure of 0.2 MPa.

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Abstract

The invention discloses automatic gearbox oil. The automatic gearbox oil comprises the following components in parts by weight: 75-90 parts of base oil, 2-5 parts of a viscosity index improver, 2-4 parts of a detergent dispersant, 0.5-1.5 parts of an antioxidant, 0.1-0.2 part of a metal deactivator, 1-2 parts of an antiwear agent, 1-1.5 parts of dialkyldithiocarbamate, and 0.1-0.5 part of a defoamer. The automatic gearbox oil provided by the invention has excellent lubricating performance, oxidation stability, low-temperature fluidity, high wear resistance and detergent dispersibility, and nofrothing, and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of lubricating oil, in particular to an automatic transmission oil and a preparation method thereof. Background technique [0002] Automatic transmission fluids are mainly used in automatic transmission systems of cars and light trucks. With the rapid development of the automatic transmission manufacturing industry, the requirements for automatic transmission fluids in the market are also increasing. Extreme pressure and anti-wear performance, low temperature fluidity and oxidation Stability is an important indicator for examining automatic transmission fluids. However, most of the automatic transmission fluids currently on the market have short service life, easy foaming, poor lubricating effect, no anti-oxidation, poor cleaning and dispersibility, and general friction performance. The disadvantages cannot meet the needs of the market. Contents of the invention [0003] The purpose of the present invention is to p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/06C10N30/10C10N30/08C10N30/04C10N30/18C10N40/04
CPCC10M169/048C10M2209/084C10M2211/08C10M2213/06C10M2215/065C10M2215/223C10M2219/066C10N2030/04C10N2030/06C10N2030/08C10N2030/10C10N2030/18C10N2040/042
Inventor 徐咸大
Owner SHANGHAI DELIAN CHEM
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