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Gasoline micro-emulsion and preparation method thereof

A microemulsion and gasoline technology, applied in the field of microemulsion, can solve the problems of increased resistance of embedded interface film, difficulty in forming gasoline microemulsion, unfavorable interface film bending, etc., to improve combustion efficiency, improve surface activity and hydrophilicity Lipophilic balance, clear and transparent effect

Inactive Publication Date: 2016-01-13
GUANGXI TEACHERS EDUCATION UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the preparation of gasoline microemulsion, since methanol, ethanol, and n-butanol are co-surfactants, they have strong water solubility, and there are more alcohol molecules distributed in the water phase, which promotes the formation of surfactant molecules in the water phase. Dissolution, less surfactant is distributed on the interface, it is difficult to form gasoline microemulsion, in addition, with the increase of carbon chain, the volume of alcohol molecule increases in turn, and the resistance of its embedded interface film increases, making the interface film The flexibility is reduced and the rigidity is enhanced, which is not conducive to the bending of the interface film, and is not conducive to the formation of microemulsions, so that the liquid crystal phase is easy to form

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A gasoline microemulsion prepared from 6.25mL of gasoline, 0.6g of cetyldimethylbenzyl ammonium chloride, 0.01g of a mixture of glycine and serine, and 2.96g of water.

[0031] A preparation method of gasoline microemulsion, comprising the following steps:

[0032] Step 1. Add 0.6 g of cetyldimethylbenzyl ammonium chloride to 6.25 mL of gasoline, and stir evenly to obtain the first mixture;

[0033] Step 2, 0.01g of glycine and serine and 2.96g of water are uniformly mixed to obtain the second mixture;

[0034] Step 3: After mixing the first mixture and the second mixture, shake gently to obtain the gasoline microemulsion.

[0035] The appearance of the gasoline microemulsion that embodiment 1 obtains is clear and transparent, and particle diameter is 49nm, and electric conductivity reaches 5 * 10 3 μs / cm, water content 64%, keep the original shape without oil-water layer when placed at room temperature for 1 year, keep original shape without oil-water layer when heat...

Embodiment 2

[0037] A gasoline microemulsion prepared from 7.5mL of gasoline, 0.8g of cetyldimethylbenzyl ammonium chloride, 0.015g of a mixture of glycine and serine, and 3.01g of water.

[0038] A preparation method of gasoline microemulsion, comprising the following steps:

[0039] Step 1. Add 0.8 g of cetyldimethylbenzyl ammonium chloride to 7.5 mL of gasoline, and stir evenly to obtain the first mixture;

[0040] Step 2, mixing 0.015g glycine and serine and 3.01g water evenly to obtain the second mixture;

[0041] Step 3: After mixing the first mixture and the second mixture, shake gently to obtain the gasoline microemulsion.

[0042] The appearance of the gasoline microemulsion that embodiment 2 obtains is clear and transparent, and particle diameter is 46nm, and electric conductivity reaches 5 * 10 3 μs / cm, water content 61%, keep the original shape without oil-water layer when placed at room temperature for 1 year, keep original shape without oil-water layer when heated to 60°C, ...

Embodiment 3

[0044] A gasoline microemulsion prepared from 7mL of gasoline, 0.69g of cetyldimethylbenzyl ammonium chloride, 0.012g of a mixture of glycine and serine, and 2.988g of water.

[0045]A preparation method of gasoline microemulsion, comprising the following steps:

[0046] Step 1, add 0.69g of cetyl dimethyl benzyl ammonium chloride to 7mL of gasoline, stir well to obtain the first mixture;

[0047] Step 2, mixing 0.012g glycine and serine and 2.988g water evenly to obtain the second mixture;

[0048] Step 3: After mixing the first mixture and the second mixture, shake gently to obtain the gasoline microemulsion.

[0049] The appearance of the gasoline microemulsion that embodiment 3 obtains is clear and transparent, and particle diameter is 33nm, and electric conductivity reaches 5 * 10 3 μs / cm, water content 70%, keep the original shape without oil-water layer when placed at room temperature for 1 year, keep the original shape without oil-water layer when heated to 60°C, kee...

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Abstract

The invention discloses gasoline micro-emulsion. The gasoline micro-emulsion is prepared from gasoline, surfactant, cosurfactant and water. The cosurfactant is a mixture of glycine and serine of alpha-amino acid. The surfactant is hexadecyl dimethyl benzyl ammonium chloride. The invention further provides a preparation method of the gasoline micro-emulsion. The prepared gasoline micro-emulsion is clear and transparent in appearance, good in stability, high in water content, good in combustion performance, small in particle size, free of layering when placed at room temperature, high temperature and low temperature and free of substances, such as metal ions and sulfur, unbeneficial for the environment, complete combustion is facilitated, and combustion efficiency is improved. According to the preparation method, ultra-low interface tension is generated through an oil-water mixed adsorption film, and then the better gasoline micro-emulsion is obtained.

Description

technical field [0001] The invention relates to the field of microemulsions, in particular to a gasoline microemulsion and a preparation method thereof. Background technique [0002] Microemulsion is a thermodynamically stable system, usually composed of surfactants, co-surfactants, water phase and oil phase, with a particle size in the range of 10-100nm. Materials science, organic chemistry, bioengineering, medicine, etc. have attracted more and more attention. Gasoline, as a fuel resource, is flammable and explosive. Microemulsification of gasoline will play a safe role in preventing and suppressing explosions. At the same time, it will make gasoline burn more fully and improve combustion efficiency. Because oil and water form W / O or O / W emulsion under the action of surfactant, when heated and burned, water vapor expands and produces micro-explosion, which makes the secondary atomization and combustion of gasoline more complete, and greatly reduces the harmful gas in the ...

Claims

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Application Information

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IPC IPC(8): C10L1/32
Inventor 张丽霞陈超球盛家荣
Owner GUANGXI TEACHERS EDUCATION UNIV
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