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Preparation of lecithin micro-emulsion

A technology of lecithin and microemulsion, applied in the field of microemulsion, can solve problems such as skin irritation and fabric damage

Inactive Publication Date: 2018-01-30
JIANGNAN UNIV
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Problems solved by technology

However, there are certain problems in the application of microemulsions in the daily chemical industry at present, because the difference between microemulsions and ordinary emulsions is that a large amount of surfactants will be used in the preparation process of microemulsions, which will be irritating to the skin or Fabrics, etc. have a certain degree of damage

Method used

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  • Preparation of lecithin micro-emulsion

Examples

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Embodiment Construction

[0011] 1) Preparation of microemulsion: First, mix and dissolve the surfactant and co-surfactant in a small beaker at a mass ratio of 2:3, place the small beaker on a constant temperature magnetic stirrer with a constant temperature of 25°C, and then Add an appropriate amount of white oil to the beaker under stirring and continue to stir. Add ultrapure water to the beaker drop by drop with a micro pipette until the system is clear and transparent. figure 1 Schematic for the preparation of microemulsions.

[0012] 2) Microemulsion type identification: Take two microemulsions of the same volume in a test tube, take a drop of Sudan Red III and methylene blue dye solution respectively, and drop them into the two microemulsions respectively. It is observed that the diffusion rate of methylene blue in the microemulsion is greater than that of Sudan Diffusion speed of red III, so it is O / W type microemulsion;

[0013] 3) Determination of particle size of microemulsion: Take an appro...

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Abstract

The invention discloses a lecithin micro-emulsion which is relatively small in biological irritation. The lecithin micro-emulsion is characterized by comprising lecithin, n-butyl alcohol, white oil and water in a mass ratio of 1:1.5:2.5:5. The invention further discloses a preparation method of the micro-emulsion. After the lecithin is put into the micro-emulsion, the biological irritation of themicro-emulsion can be degraded, the permeability of the micro-emulsion can be improved, the defects that phospholipid self is easy to oxidize, easy to paste and not easy to dissolve in water are overcome, therefore, the application of the lecithin micro-emulsion in the field of detergents is widened.

Description

technical field [0001] The invention relates to a microemulsion with relatively small biological stimulation, in particular to a preparation method of lecithin microemulsion. Background technique [0002] Compared with emulsion, microemulsion is a relatively stable dispersion system with a nearly transparent appearance; its excellent performance has made microemulsion move from initial theoretical research to industrial application, its practical value has been greatly improved, and its application range has been continuously expanded. However, there are certain problems in the application of microemulsions in the daily chemical industry at present, because the difference between microemulsions and ordinary emulsions is that a large amount of surfactants will be used in the preparation process of microemulsions, which will be irritating to the skin or Fabrics, etc. have a certain degree of damage. If microemulsions are used in the field of personal care, the compatibility b...

Claims

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Application Information

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IPC IPC(8): A61K9/107A61K47/24A61K47/44A61K47/10
Inventor 陈晖
Owner JIANGNAN UNIV
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