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Vehicle navigation alcohol fuel anti-corrosive anti-swelling additive and production method

A vehicle-used aviation alcohol and anti-swelling technology, applied in fuel additives, fuels, liquid carbon-containing fuels, etc., can solve problems such as cracks, ineffective effects, and wear, and achieve the effect of overcoming rubber expansion

Inactive Publication Date: 2019-08-23
寇延华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main components of methanol gasoline are composed of methanol and gasoline. Methanol has the following defects: 1) A small amount of acidic substances will be produced during the production process, and a small amount of organic acids (such as formic acid) will also be produced in contact with air oxidation; 2) Methanol has relatively high water absorption 3) During the combustion process, a small amount of acid and aldehyde substances may be produced, which will cause corrosion on the surface of the ring metal parts and cause corrosion to the engine fuel system These problems restrict the development of methanol fuel; 4) Methanol is an excellent organic solvent, which can swell and crack the materials of gasoline fuel supply system, such as rubber and plastic, and affect the performance of materials
In the prior art, this defect is also changed by adding metal corrosion inhibitors, but the effect is not obvious

Method used

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  • Vehicle navigation alcohol fuel anti-corrosive anti-swelling additive and production method
  • Vehicle navigation alcohol fuel anti-corrosive anti-swelling additive and production method
  • Vehicle navigation alcohol fuel anti-corrosive anti-swelling additive and production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] In this embodiment, a vehicle aviation alcohol fuel anti-corrosion anti-swelling additive comprises the following components by weight:

[0027] 1-20 parts of ethanolamine, 1-5 parts of dimercaptopropithiazole, 1-5 parts of dihydroimidazole, 1-10 parts of N,N-disalicylidene propylenediamine, 5-15 parts of dibutyl sebacate 1-20 parts of cyclohexylamine, 1-5 parts of pyrazolone, 0.5-8 parts of 2,6-dimethyl tert-butyl ether, and 1-12 parts of polyisobutylene barium salt reagent.

[0028] The production method flow is as follows figure 1 shown.

[0029] Step 1. Mixing two or more of the reagents at normal temperature and pressure;

[0030] Step 2. Circulating and mixing the mixed reagent through a circulation device for a certain period of time, and standing for a certain period of time to prepare the anti-corrosion and anti-swelling additive.

[0031] Among them, the processing temperature and pressure: normal temperature and pressure (23±3°C); the mixing time is more ...

Embodiment 2

[0039] In this embodiment, a vehicle aviation alcohol fuel anti-corrosion anti-swelling additive comprises the following components by weight:

[0040] 10-20 parts of ethanolamine, 2-5 parts of dimercaptopropithiazole, 3-5 parts of dihydroimidazole, 5-10 parts of N,N-disalicylidene propylenediamine, 7-15 parts of dibutyl sebacate 10-20 parts of cyclohexylamine, 2-5 parts of pyrazolone, 0.5-8 parts of 2,6-dimethyl tert-butyl ether, and 1-12 parts of polyisobutylene barium salt reagent.

[0041] The production method is as described in Example 1.

[0042] Technical effect is as described in embodiment 1.

Embodiment 3

[0044] In this embodiment, an anti-corrosion and anti-swelling additive for aviation alcohol fuel for vehicles comprises the following components by weight:

[0045] 10-20 parts of ethanolamine, 2-5 parts of dimercaptopropithiazole, 1-2 parts of dihydroimidazole, 1-10 parts of N,N-disalicylidene propylenediamine, 7-15 parts of dibutyl sebacate 10-20 parts of cyclohexylamine, 1-2 parts of pyrazolone, 0.5-8 parts of 2,6-dimethyl tert-butyl ether, and 1-12 parts of polyisobutylene barium salt reagent.

[0046] The production method is as described in Example 1.

[0047] Technical effect is as described in embodiment 1.

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Abstract

The invention discloses a vehicle navigation alcohol fuel anti-corrosive anti-swelling additive. The technical problem of corrosion, brought by existing navigation alcohol fuel, to engine metal partsis solved. The anti-corrosive anti-swelling additive comprises at least two agents of the following components in parts by weight: 1-20 parts of ethanolamine, 1-5 parts of 2-mercaptobenzothiazole, 1-5parts of dihydroimidazole, 1-10 parts of N,N-bis(salicylidene)propanediamine, 5-15 parts of dibutyl sebacate, 1-20 parts of cyclohexylamine, 1-5 parts of pyrazolone, 0.5-8 parts of 2,6-dimethyl tert-butyl ether and 1-12 parts of a barium salt of phosphosulfurized polyisobutylene. By using navigation alcohol fuel produced from the vehicle navigation alcohol fuel anti-corrosive anti-swelling additive, in production, storage and transportation processes, organic acid formed by external and internal water and the navigation alcohol fuel can be inhibited; and in a use process, corrosion to an engine can be prevented, full combustion of the fuel is promoted, and acid and formaldehyde are reduced.

Description

technical field [0001] The invention relates to an anti-corrosion and anti-swelling additive for aviation alcohol fuel for vehicles, which is added to aviation alcohol fuel to prevent corrosion of engines and promote full combustion of fuel. The invention also relates to a preparation method of the aviation alcohol fuel anti-corrosion and anti-swelling additive for vehicles. Background technique [0002] With the rapid development of the automobile industry, the world is facing more serious problems such as oil resource shortage and environmental pollution. Therefore, vigorously developing economical, energy-saving and environmentally friendly alternative energy has become a significant and long-term strategic consideration. Methanol gasoline has become an ideal gasoline substitute due to its wide source, low production cost, good combustion effect, and less environmental pollution. my country is a large coal country, and the technology of extracting methanol from coal is a...

Claims

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Application Information

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IPC IPC(8): C10L1/185C10L1/19C10L1/222C10L1/232C10L1/233C10L1/24C10L1/30
CPCC10L1/143C10L1/1852C10L1/1905C10L1/2222C10L1/2225C10L1/232C10L1/233C10L1/2456C10L1/305C10L2300/20
Inventor 寇延华
Owner 寇延华
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