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Gasoline detergent prepared from aromatic amine polyoxypropylene ether

A technology for aromatic amine polyoxypropylene ether and gasoline detergent, which is applied in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of high production difficulty, high product cost, lengthy preparation steps and the like

Inactive Publication Date: 2011-02-02
冯明星
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its preparation steps are tedious, and it needs to carry out hydrogenation reaction under high temperature (200-250°C), high pressure (5-20MPa) and nickel-containing catalyst conditions, so the production is difficult and the product cost is high

Method used

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  • Gasoline detergent prepared from aromatic amine polyoxypropylene ether
  • Gasoline detergent prepared from aromatic amine polyoxypropylene ether
  • Gasoline detergent prepared from aromatic amine polyoxypropylene ether

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The p-methylaniline polyoxypropylene ether obtained in Synthesis Example 1 is compounded with antioxidant, rust inhibitor, corrosion inhibitor and cosolvent, and the mass ratio of each component is: 65.0% p-methylaniline Polyoxypropylene ether, 2.5% T502, 1.5% T747, 1.0% T551 and 34.0% aromatic oil.

[0034] The above-mentioned components are measured according to the ratio to be added, mixed and stirred evenly at room temperature until transparent, and the gasoline detergent of the present invention is obtained after filtration. The gasoline detergent of the present invention is added to commercially available 93# gasoline at a dose of 600 ppm. After evaluation by a professional department, the physical and chemical indicators of the oil product all meet the requirements of GB17930-2006. According to the GB / T19230.4 test method, the decrease rate of the deposit generated by the automobile intake valve is simulated, and the change of the deposit increment of the combust...

Embodiment 2

[0036] The 3-tert-butylaniline polyoxypropylene ether obtained in Synthesis Example 2 is compounded with antioxidant, rust inhibitor, corrosion inhibitor and cosolvent, and the mass ratio of each component is: 70.0% 3-tert-butyl Aniline polyoxypropylene ether, 2.5% T502, 1.5% T747, 1.5% T551 and 24.5% aromatic oil. Repeat the preparation method of Example 1 to obtain the gasoline detergent of the present invention.

[0037]The gasoline detergent of the present invention is added to commercially available 93# gasoline at a dose of 700 ppm. After evaluation by a professional department, the physical and chemical indicators of the oil product all meet the requirements of GB17930-2006. According to the GB / T19230.4 test method, the decrease rate of deposits generated by the automobile intake valve is simulated, and the change of the deposit increment of the combustion chamber of the automobile engine is simulated by a thermogravimetric analyzer. After testing, the simulated intake...

Embodiment 3

[0039] The 3-tert-butylaniline polyoxypropylene ether obtained in Synthesis Example 2 is compounded with antioxidant, rust inhibitor, corrosion inhibitor and cosolvent, and the mass ratio of each component is: 80.0% 3-tert-butyl Aniline polyoxypropylene ether, 2.5% T502, 1.5% T706, 1.0% T551 and 15.0% aromatic oil. Repeat the preparation method of Example 1 to obtain the gasoline detergent of the present invention.

[0040] The gasoline detergent of the present invention is added to commercially available 93# gasoline at a dose of 800 ppm. After evaluation by a professional department, the physical and chemical indicators of the oil product all meet the requirements of GB17930-2006. According to the GB / T19230.4 test method, the decrease rate of deposits generated by the automobile intake valve is simulated, and the change of the deposit increment of the combustion chamber of the automobile engine is simulated by a thermogravimetric analyzer. After testing, the simulated intak...

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Abstract

The invention relates to a gasoline detergent prepared from aromatic amine polyoxypropylene ether. The aromatic amine polyoxypropylene ether is represented by a structural formula (I), wherein R is hydrogen or an alkyl group of C1 to C10, and can be positioned at an ortho-position, a meta-position or a para-position on a benzene ring relative to nitrogen atoms; and the summation of a and b is a natural number in the range of 9 to 33. When used in gasoline, the gasoline detergent prepared from the aromatic amine polyoxypropylene ether serving as a main component can remarkably reduce the generation of sediments in fuel-intake system of a gasoline engine.

Description

technical field [0001] The invention relates to a gasoline detergent prepared with aromatic amine polyoxypropylene ether, and also relates to a synthesis method of aromatic amine polyoxypropylene ether. Background technique [0002] Aromatic amine polyoxypropylene ether is a kind of polyetheramine, which belongs to tertiary amine type polyetheramine. It can be used in accelerated curing of epoxy resin, bonding, textile dyeing, ink and pigment dispersion, etc. Because the aromatic amine polyoxypropylene ether has excellent surface activity and oil solubility, and is not easy to form deposits and gums at high temperatures, it can be used as the main component of automotive gasoline detergents. [0003] The detergent used in gasoline can inhibit and remove the formation of deposits in the fuel intake system of gasoline engines, and can maintain and restore the fuel intake system of automobile engines to the state of new cars as much as possible, so as to achieve relative reduc...

Claims

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Application Information

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IPC IPC(8): C10L1/16C10L1/238C08G65/26C10L10/04C10L1/10C10L1/182C10L10/00
Inventor 冯明星张景华吴利华吕兴连
Owner 冯明星
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