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Advanced locomotive brake fluid composition

A technology for motor vehicles and brake fluids, which is applied in lubricating compositions, petroleum industry, additives, etc. It can solve the problems of compatibility, oxidation resistance, corrosion resistance, high temperature resistance and low temperature performance, and achieve easy raw materials. Obtain, solve the effect of poor fluidity and good anti-corrosion

Active Publication Date: 2015-05-13
LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTIONTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing automobile brake fluids generally have poor compatibility, oxidation resistance, corrosion resistance, high temperature resistance to air resistance and low temperature performance.

Method used

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Experimental program
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preparation example Construction

[0021] The preparation method of the triethylene glycol monomethyl ether borate is as follows: metering triethylene glycol monomethyl ether into a closed reaction kettle with heating and decompression functions, stirring, and when the temperature is raised to 60 ° C, the boric acid Add it into the reaction kettle, stir, raise the temperature, reduce the pressure (the pressure is -0.09--1.0Mpa), control the temperature at 90-150°C, and react for 4h. After the reaction, take a sample from the kettle to detect the water content. When the water content is ≤0.1%, a qualified esterification liquid is obtained, that is, the esterification is completed, and the weight ratio of triethylene glycol monomethyl ether and boric acid is 10:1;

[0022] Production process: put triethylene glycol monomethyl ether borate, diethylene glycol dibutyl ether, polyol rubber expansion inhibitor, antioxidant, preservative and pH regulator into the reaction kettle according to the above percentages, at ro...

Embodiment 1

[0029] Take 61% of triethylene glycol monomethyl ether borate, 17.8% of diethylene glycol dibutyl ether, 20% of triethylene glycol, 0.2% of antioxidant 501, 0.2% of benzotriazole, Di-n-butylamine ether 0.8%, add the above raw materials into the reaction kettle in turn, stir at normal temperature and pressure for 60 minutes, after the various raw materials are fully mixed and dissolved, take samples from the kettle for testing, after passing the test, filter, and import it into the finished product tank for standby.

Embodiment 2

[0031] Take triethylene glycol monomethyl ether borate 73%, thinner diethylene glycol dibutyl ether 10.72%, diethylene glycol 15%, antioxidant 300 0.18%, methyl benzotriazole 0.5% by mass percentage %, 0.6% of 3-methylamine ether, add the above raw materials into the reaction kettle one by one, stir at room temperature and pressure for 60 minutes, after the various raw materials are fully mixed and dissolved, take samples from the kettle for inspection, after the inspection is qualified, filter and import into the finished product tank in spare.

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Abstract

The invention discloses an advanced locomotive brake fluid composition, and relates to a car brake fluid composition, and the advanced locomotive brake fluid composition is invented fro solving the problems of poor compatibility, poor corrosion resistance and poor low-temperature performance of an existing car brake fluid. The advanced locomotive brake fluid composition is prepared from the following raw materials in percentage by weight: 60-74% of triethylene glycol monomethyl ether borate, 10-21% of di-ethylene glycol di-butyl ether, 14-20% of a polyalcohol rubber expansion restraint, 0.1-1.0% of an antioxidant, 0.1-1.0% of a preservative and 0.5-1.0% of a pH regulator. A preparation method for advanced locomotive brake fluid composition comprises the following steps: preparing triethylene glycol monomethyl ether borate from triethylene glycol monomethyl ether and borate at a weight ratio of 10 to 1; then, adding raw materials into a reaction kettle, stirring for 60 minutes at a normal temperature under normal pressure, and keeping the stirring speed at 50r / min; and after sufficiently mixing and dissolving various raw materials, sampling, detecting, filtering and guiding the raw materials into a finished product tank. The advanced locomotive brake fluid composition has the advantages of good compatibility, good corrosion resistance and good low-temperature performance.

Description

technical field [0001] The invention relates to an automobile brake fluid composition, in particular to a synthetic automobile brake fluid composition. Background technique [0002] Automobile brake fluid, also known as brake fluid or brake fluid, is a functional fluid used to transmit pressure in the hydraulic braking system of an automobile to enable the wheel brake to achieve braking. With the continuous development of automobile technology, the structure and performance of the hydraulic brake system have been continuously improved and perfected, and the quality of the brake fluid has also been continuously improved. Since automobiles began to use brake fluid in the 1930s, the development of automobile brake fluid has gone through three main stages of development: alcohol-type brake fluid, mineral oil-type brake fluid and synthetic brake fluid. At present, alcohol-type and mineral-type brake fluid Oil-type brake fluid has been eliminated due to its poor high and low temp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/12C10N30/12C10N40/08
Inventor 孙慧王宝峰李其章邹建波
Owner LIAONING RUNDI AUTOMOTVE ENVIRONMENTAL PROTECTIONTECH
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