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Gasoline detergent additive

A gasoline detergent and main agent technology, applied in the petroleum industry, fuel additives, fuels, etc., to achieve the effects of quick start, improved power performance, and fuel saving

Inactive Publication Date: 2013-11-20
杨道保
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, adding an effective fuel detergent to unleaded gasoline to suppress or remove the formation of engine intake system and combustion chamber deposits is an effective, convenient and quick solution

Method used

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Embodiment Construction

[0008] This specific embodiment adopts the following technical solutions: prepare boron-titanium molecular sieve catalysts on an industrial scale, use boron-titanium molecular sieves as catalysts, and hydrogen peroxide as an oxidant to prepare epoxy polyisobutylene with high yield; Under low pressure, direct aminolysis to obtain polyisobutene amine. Epoxy polyisobutylene is an important raw material for the synthesis of polyisobutylene amine. The conversion rate of epoxy polyisobutylene will directly affect the final conversion rate of polyisobutylene amine products, which in turn will affect the clean and dispersible performance of the product. Considering the terminal activity of polyisobutylene raw materials The group content is only 85%. In order to achieve a satisfactory cleaning and dispersion effect for the final product, the single-step conversion rate of the epoxidation reaction needs to reach more than 80%. Add hydrogen peroxide dropwise into a reaction kettle filled...

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Abstract

The invention relates to a gasoline detergent additive which adopts the following technical scheme that a boracium-titanium molecular sieve catalyst is prepared in an industrial scale, and epoxidized polyisobutene with high yield is prepared by using a boracium-titanium molecular sieve as a catalyst and peroxide as an oxidizing agent; the epoxidized polyisobutene is used as a raw material, and under the action of the catalyst, a main additive of the gasoline detergent additive is prepared by direct aminolysis under low pressure; and auxiliary materials of an ashless dispersant, base oil, an antioxidant, a polymerization inhibitor, an antirusting agent, an emulsion splitter, and the like are added in a material mixing kettle according to a certain proportion and heated and uniformly stirred. The gasoline detergent additive can effectively clear the descendent deposit carbon of an engine nozzle and an air inlet valve, improve the lubricating performance of fuels, prevent the wear of the air inlet valve, prolong the service life of an engine and reduce the maintenance cost.

Description

Technical field: [0001] The invention relates to a gasoline detergent. Background technique: [0002] When the car is running, the engine intake system and the combustion chamber produce a large amount of deposits, which seriously affects the normal fuel injection, atomization and mixed combustion, resulting in unstable idle speed, poor acceleration performance and increased fuel consumption. The emission of harmful gases such as hydrocarbons, CO and NO increases, and the deposits in the combustion chamber can also cause local overheating, pre-ignition and knocking to make the combustion effect worse. There are two reasons for the formation of automobile fuel system deposits (1) Due to the presence of colloids, impurities in gasoline itself, and rust residues carried in the production, transportation, and storage processes, similar oil sludge is formed in the oil inlet pipe of the automobile fuel tank of sediments. (2) Due to the high working temperature of the nozzle inta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L10/18
Inventor 杨道保
Owner 杨道保
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