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Linoleic acid microemulsion and preparation method thereof

A technology of linoleic acid and microemulsion, applied in the field of agricultural production, can solve problems such as poor water solubility, and achieve the effects of good stability, simple operation and cheap raw materials

Inactive Publication Date: 2019-11-12
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention makes up for the deficiencies in the prior art, and provides a linoleic acid microemulsion and its preparation method, which not only solves the problem of its poor water solubility, but also enhances its applicability in the agricultural production process, and further improves the nematode effect,

Method used

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  • Linoleic acid microemulsion and preparation method thereof
  • Linoleic acid microemulsion and preparation method thereof
  • Linoleic acid microemulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 A kind of preparation method of linoleic acid microemulsion

[0031] 1. Components

[0032]

[0033] 2. Preparation method

[0034] S1. Under the condition of 500 rpm, linoleic acid and ethanolamine were magnetically stirred for 20 minutes, and mixed to obtain an oil phase;

[0035] S2. Prepare an aqueous phase by stirring deionized water, polyoxyethylene polyoxypropylene ether, asparagine, sorbitol, and n-octanol at 800 rpm for 40 minutes;

[0036] S3. Put the oil phase in a ultrasonic emulsification machine, slowly add the water phase into the oil phase drop by drop while ultrasonic emulsification, continue ultrasonic emulsification for 30 minutes, and obtain the finished product of linoleic acid microemulsion.

Embodiment 2

[0037] Embodiment 2 A kind of preparation method of linoleic acid microemulsion

[0038] 1. Components

[0039]

[0040] 2. Preparation method

[0041] S1. Under the condition of 600 rpm, linoleic acid and ethanolamine were magnetically stirred for 25 minutes, and mixed to obtain an oil phase;

[0042] S2. Prepare an aqueous phase by stirring deionized water, sorbitan trioleate, glutamine, glycerol and polyoxyethylene ether under the condition of 1000 rpm for 30 minutes with magnetic force;

[0043] S3. Put the oil phase in a ultrasonic emulsification machine, slowly add the water phase into the oil phase drop by drop while ultrasonic emulsification, and continue ultrasonic emulsification for 40 minutes to obtain the finished linoleic acid microemulsion.

Embodiment 3

[0044] Embodiment 3 A kind of preparation method of linoleic acid microemulsion

[0045] 1. Components

[0046]

[0047] 2. Preparation method

[0048] S1. Under the condition of 800 rpm, linoleic acid and ethanolamine were magnetically stirred for 30 minutes, and mixed to obtain an oil phase;

[0049] S2. Prepare an aqueous phase by stirring deionized water, alkyl polyamine polyamino acid, glycine, xylitol and polydimethylsiloxane under the condition of 1000 rpm for 60 min with magnetic force;

[0050] S3. Put the oil phase in a ultrasonic emulsification machine, slowly add the water phase into the oil phase drop by drop while ultrasonic emulsification, and continue ultrasonic emulsification for 40 minutes to obtain the finished linoleic acid microemulsion.

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Abstract

The invention relates to linoleic acid microemulsion and a preparation method thereof. The linoleic acid microemulsion is prepared from the following components in parts by weight: 5-20 parts of linoleic acid, 2-10 parts of a cosolvent, 40-80 parts of deionized water, 5-20 parts of an emulsifying dispersant and 2-10 parts of amino acid. The preparation method specifically comprises the steps thatall the components are weighed according to the ratio, the linoleic acid and the cosolvent are evenly mixed to prepare an oil phase, meanwhile, the deionized water, the emulsifying dispersant and theamino acid are evenly mixed to prepare a water phase, then the water phase is added into the oil phase in an ultrasonic emulsifying machine drop by drop, phase inversion is conducted, even ultrasonicemulsifying is conducted, and thus the linoleic acid microemulsion is obtained. According to the linoleic acid microemulsion, the cosolvent and the emulsifying dispersant are selected and reasonably matched, thus the problem of poor water solubility of linoleic acid water is thoroughly solved, the applicability of the linoleic acid microemulsion in the crop planting process is enhanced, and by cooperatively adding a certain amount of the amino acid, the nematode resistance effect of the linoleic acid microemulsion is synergistically enhanced; and product dispersity is high, stability is good,and the application effect is good.

Description

technical field [0001] The invention belongs to the technical field of agricultural production, and in particular relates to a linoleic acid microemulsion and a preparation method thereof. Background technique [0002] Linoleic acid, as a plant-derived active substance for nematode control, is widely used in the control of root-knot nematode incognita. Its control effect is obvious, and it is less risky to the environment, which is obviously better than other nematode insecticides. However, linoleic acid is a long-chain unsaturated fatty acid with weak polarity, which is not conducive to direct application due to its poor water solubility. [0003] With the gradual popularization of crop near-root drip irrigation technology, the requirements for the precise application of fertilizers and pesticides are getting higher and higher; products with good dispersion are more conducive to the full play of the efficacy. Microemulsion is a transparent or translucent system formed by o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/02C05G3/60
CPCC05G3/00Y02A50/30
Inventor 陈清祁瑞慕康国左元梅卢巧芳
Owner CHINA AGRI UNIV