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Fuel deterging and dispersing agent

A technology of cleansing and dispersing agent and fuel, which is applied in the direction of fuel additives, fuels, liquid carbon-containing fuels, etc., and can solve the problem of insignificant carbon deposition in gasoline engine intake valves, poor thermal stability, and inability to effectively control carbon deposition and sediment Formation and other problems, to achieve the effect of preventing carbon deposits and sediments in the engine, reducing emissions, and good cleaning and dispersing effects

Inactive Publication Date: 2017-06-30
马健
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems of conventional small molecule amine detergents are: poor thermal stability under high temperature conditions and inability to effectively control the formation of carbon deposits and sediments
Polymerized detergents are mainly based on the research of polyisobutenylamine. The method of adding carrier oil, carrier oil, solvent oil, and polymerization inhibitor to the prepared polyisobutenylamine is used to prepare gasoline detergents. Although such gasoline detergents can The purpose of removing carbon deposits is achieved, but there is still the problem that the effect of removing carbon deposits on the intake valves of gasoline engines is not obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Fuel detergent and dispersant, made of the following raw materials in parts by weight: 20 parts of 2-octanol, 22 parts of propiconazole, 5 parts of 2-picoline, 16 parts of hexamethylphosphoric triamide, N-methylformazol 2 parts of amide, 7 parts of castor oil polyoxyethylene ether.

[0019] The preparation method of the above-mentioned fuel detergent and dispersant is as follows: take 2-octanol, propiconazole, 2-picoline and castor oil polyoxyethylene ether and stir at 40°C for 30 minutes, after cooling down to room temperature, add hexamethylphosphorus triamide, N-methylformamide, and stir for 65 minutes.

Embodiment 2

[0021] Fuel detergent and dispersant, made of the following raw materials in parts by weight: 12 parts of 2-octanol, 10 parts of 1-hexanol, 20 parts of propiconazole, 7 parts of 2-picoline, 14 parts of hexamethylphosphoric triamide Parts, 3 parts of N-methylformamide, 6 parts of castor oil polyoxyethylene ether.

[0022] The preparation method of the above-mentioned fuel detergent and dispersant is: take 2-octanol, 1-hexanol, propiconazole, 2-picoline and castor oil polyoxyethylene ether and stir at 55°C for 55min, after cooling down to room temperature, Add hexamethylphosphoric triamide and N-methylformamide, and stir for 40 minutes.

Embodiment 3

[0024] The fuel detergent and dispersant is made of the following raw materials in parts by weight: 16 parts of isobutanol, 8 parts of isopropanol, 18 parts of propiconazole, 9 parts of 2-picoline, 12 parts of hexamethylphosphoric triamide, 4 parts of N-methylformamide, 5 parts of castor oil polyoxyethylene ether.

[0025] The preparation method of the above-mentioned fuel detergent and dispersant is as follows: take isobutanol, isopropanol, propiconazole, 2-picoline and castor oil polyoxyethylene ether and stir at 60°C for 35min, after cooling down to room temperature, add six Methylphosphoric triamide, N-methylformamide, stirred for 45min.

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PUM

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Abstract

The invention belongs to the technical field of fuel additives, and particularly relates to a fuel deterging and dispersing agent. The fuel deterging and dispersing agent is prepared from alcohols, propiconazole, 2-methylpyridine, hexamethylphosphoramide, N-methylformamide and polyoxyethylene castor oil; the alcohols are one or more of 2-pyridinemethanol, isobutanol, isopropanol, 1-heptanol, 2-octanol and 1-hexanol. By the adoption of the fuel deterging and dispersing agent, carbon deposits in fuel spray nozzles, air inlet valves and combustion chambers of engines are effectively removed, the deterging and dispersing effects are good, the cleanliness of the engines is ensured, the good operation of the engines is guaranteed, and the generation of carbon deposits and sediment in the engines is prevented.

Description

technical field [0001] The invention belongs to the technical field of fuel additives, in particular to a fuel cleansing and dispersing agent. Background technique [0002] With the rapid development of the automobile industry, the number of automobiles in my country is increasing rapidly. While automobiles bring convenience to people's production and life, they also increase the consumption of petroleum resources and the emission of harmful exhaust substances. In addition, when the car is running, the engine cannot completely burn due to insufficient oxygen supply, and after the engine is turned off, the volatile wax and gum in the gasoline will harden when heated, and the quality of the oil will form carbon deposits, which will affect the normal operation of the engine. Very large, such as causing lax valve closure, air leakage from the intake valve or exhaust valve, knocking, etc. At present, an effective measure to solve the problem of carbon deposition is to add deterg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/232C10L1/182C10L1/233C10L1/224C10L1/198C10L1/26C10L10/18
CPCC10L1/14C10L1/1824C10L1/1985C10L1/224C10L1/232C10L1/233C10L1/26C10L10/18C10L2300/20C10L2300/30C10L2300/40
Inventor 马健
Owner 马健
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