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Process for producing essential oil emulsified

A technology of emulsification and essential oils, applied in the direction of essential oils/fragrances, chemical instruments and methods, mixing methods, etc., can solve the problems of unguaranteed safety and harm, and achieve the effect of long-term stable emulsified state

Inactive Publication Date: 2007-01-31
AURA LTD CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although synthetic surfactants such as LAS have low toxicity to humans and are highly biodegradable, they are converted into highly toxic substances such as LAS complexes due to chemical reactions with other surfactants. And discharge environment, its safety cannot be guaranteed, worrying about new serious hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Put 50g of the above-mentioned essential oil (1) and 50g of alkaline ionized water of pH 9.0 into the stirring device of the above-mentioned (3), and stir for 2 minutes at a temperature of 5-10°C and a rotation speed of 20000 (r.p.m) to obtain a light yellow-white of emulsions. Even if this essential oil emulsion was stored in an airtight container at 25° C. for 90 days, the properties of the emulsion did not change.

Embodiment 2～5

[0054]An essential oil emulsion was obtained in the same manner as in Example 1, except that the pH of the alkaline ionized water was as shown in Table 1 and the number of rotations of the stirring device was as shown in Table 1.

[0055] The properties of the obtained essential oil emulsion are good as shown in Table 1.

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PUM

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Abstract

There is provided a method for producing an essential oil emulsion without using a surfactant, wherein the essential oil emulsion can be easily diluted with water for its use and its emulsified state is stable, wherein the production method is characterized in that it comprises stirring an essential oil at a rotation number between 3,000 and 20,000 rpm in an alkaline solution with a pH value between 9 and 13 for emulsification, wherein the alkaline solution is either an aqueous solution of a compound (a base) that is dissolved in water to generate hydroxide ions (OH - ), or an alkaline ionized water generated on the cathode side (on the negative electrode side) when an electrolyte solution containing an electrolyte is decomposed by electrical energy, wherein the aqueous solution preferably has a base concentration between 0.00001 N and 0.01 N and a pH value between pH 9 and 13.

Description

technical field [0001] The present invention relates to a technique for emulsifying water-insoluble essential oils that does not depend on the addition of emulsifiers such as synthetic surfactants and does not cause separation and precipitation. [0002] Conventionally, synthetic surfactants such as linear alkylbenzene sulfonates (hereinafter referred to as LAS), soaps obtained by saponifying fatty acids, and the like have generally been used in detergents used for washing. However, there is concern about their impact on users and the environment due to their large-scale use. Therefore, detergents with low environmental impact and high safety are required. Background technique [0003] In order to solve these problems, Patent Document 1 discloses a detergent that contains essential oils such as limonene, which has a high cleaning effect on fat-soluble dirt, and reduces the amount of surfactant used. [0004] Since essential oils are water-insoluble, detergents containing e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/00B01F3/08C11D3/50C11D7/50
CPCC11B9/00C11D3/50C11D7/50
Inventor 小笠原智彦山口照喜
Owner AURA LTD CO
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